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|
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- M A K E --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2016, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING3. If not, go to --
-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with ALI; use ALI;
with ALI.Util; use ALI.Util;
with Csets;
with Debug;
with Errutil;
with Fmap;
with Fname; use Fname;
with Fname.SF; use Fname.SF;
with Fname.UF; use Fname.UF;
with Gnatvsn; use Gnatvsn;
with Hostparm; use Hostparm;
with Makeusg;
with Makeutl; use Makeutl;
with MLib;
with MLib.Prj;
with MLib.Tgt; use MLib.Tgt;
with MLib.Utl;
with Namet; use Namet;
with Opt; use Opt;
with Osint.M; use Osint.M;
with Osint; use Osint;
with Output; use Output;
with Prj; use Prj;
with Prj.Com;
with Prj.Env;
with Prj.Pars;
with Prj.Tree; use Prj.Tree;
with Prj.Util;
with Sdefault;
with SFN_Scan;
with Sinput.P;
with Snames; use Snames;
with Stringt;
pragma Warnings (Off);
with System.HTable;
pragma Warnings (On);
with Switch; use Switch;
with Switch.M; use Switch.M;
with Table;
with Targparm; use Targparm;
with Tempdir;
with Types; use Types;
with Ada.Command_Line; use Ada.Command_Line;
with Ada.Directories;
with Ada.Exceptions; use Ada.Exceptions;
with GNAT.Case_Util; use GNAT.Case_Util;
with GNAT.Command_Line; use GNAT.Command_Line;
with GNAT.Directory_Operations; use GNAT.Directory_Operations;
with GNAT.Dynamic_HTables; use GNAT.Dynamic_HTables;
with GNAT.OS_Lib; use GNAT.OS_Lib;
package body Make is
use ASCII;
-- Make control characters visible
Standard_Library_Package_Body_Name : constant String := "s-stalib.adb";
-- Every program depends on this package, that must then be checked,
-- especially when -f and -a are used.
type Sigint_Handler is access procedure;
pragma Convention (C, Sigint_Handler);
procedure Install_Int_Handler (Handler : Sigint_Handler);
pragma Import (C, Install_Int_Handler, "__gnat_install_int_handler");
-- Called by Gnatmake to install the SIGINT handler below
procedure Sigint_Intercepted;
pragma Convention (C, Sigint_Intercepted);
-- Called when the program is interrupted by Ctrl-C to delete the
-- temporary mapping files and configuration pragmas files.
No_Mapping_File : constant Natural := 0;
type Compilation_Data is record
Pid : Process_Id;
Full_Source_File : File_Name_Type;
Lib_File : File_Name_Type;
Source_Unit : Unit_Name_Type;
Full_Lib_File : File_Name_Type;
Lib_File_Attr : aliased File_Attributes;
Mapping_File : Natural := No_Mapping_File;
Project : Project_Id := No_Project;
end record;
-- Data recorded for each compilation process spawned
No_Compilation_Data : constant Compilation_Data :=
(Invalid_Pid, No_File, No_File, No_Unit_Name, No_File, Unknown_Attributes,
No_Mapping_File, No_Project);
type Comp_Data_Arr is array (Positive range <>) of Compilation_Data;
type Comp_Data_Ptr is access Comp_Data_Arr;
Running_Compile : Comp_Data_Ptr;
-- Used to save information about outstanding compilations
Outstanding_Compiles : Natural := 0;
-- Current number of outstanding compiles
-------------------------
-- Note on terminology --
-------------------------
-- In this program, we use the phrase "termination" of a file name to refer
-- to the suffix that appears after the unit name portion. Very often this
-- is simply the extension, but in some cases, the sequence may be more
-- complex, for example in main.1.ada, the termination in this name is
-- ".1.ada" and in main_.ada the termination is "_.ada".
procedure Insert_Project_Sources
(The_Project : Project_Id;
All_Projects : Boolean;
Into_Q : Boolean);
-- If Into_Q is True, insert all sources of the project file(s) that are
-- not already marked into the Q. If Into_Q is False, call Osint.Add_File
-- for the first source, then insert all other sources that are not already
-- marked into the Q. If All_Projects is True, all sources of all projects
-- are concerned; otherwise, only sources of The_Project are concerned,
-- including, if The_Project is an extending project, sources inherited
-- from projects being extended.
Unique_Compile : Boolean := False;
-- Set to True if -u or -U or a project file with no main is used
Unique_Compile_All_Projects : Boolean := False;
-- Set to True if -U is used
Must_Compile : Boolean := False;
-- True if gnatmake is invoked with -f -u and one or several mains on the
-- command line.
Project_Tree : constant Project_Tree_Ref :=
new Project_Tree_Data (Is_Root_Tree => True);
-- The project tree
Main_On_Command_Line : Boolean := False;
-- True if gnatmake is invoked with one or several mains on the command
-- line.
RTS_Specified : String_Access := null;
-- Used to detect multiple --RTS= switches
N_M_Switch : Natural := 0;
-- Used to count -mxxx switches that can affect multilib
-- The 3 following packages are used to store gcc, gnatbind and gnatlink
-- switches found in the project files.
package Gcc_Switches is new Table.Table (
Table_Component_Type => String_Access,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 20,
Table_Increment => 100,
Table_Name => "Make.Gcc_Switches");
package Binder_Switches is new Table.Table (
Table_Component_Type => String_Access,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 20,
Table_Increment => 100,
Table_Name => "Make.Binder_Switches");
package Linker_Switches is new Table.Table (
Table_Component_Type => String_Access,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 20,
Table_Increment => 100,
Table_Name => "Make.Linker_Switches");
-- The following instantiations and variables are necessary to save what
-- is found on the command line, in case there is a project file specified.
package Saved_Gcc_Switches is new Table.Table (
Table_Component_Type => String_Access,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 20,
Table_Increment => 100,
Table_Name => "Make.Saved_Gcc_Switches");
package Saved_Binder_Switches is new Table.Table (
Table_Component_Type => String_Access,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 20,
Table_Increment => 100,
Table_Name => "Make.Saved_Binder_Switches");
package Saved_Linker_Switches is new Table.Table
(Table_Component_Type => String_Access,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 20,
Table_Increment => 100,
Table_Name => "Make.Saved_Linker_Switches");
package Switches_To_Check is new Table.Table (
Table_Component_Type => String_Access,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 20,
Table_Increment => 100,
Table_Name => "Make.Switches_To_Check");
package Library_Paths is new Table.Table (
Table_Component_Type => String_Access,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 20,
Table_Increment => 100,
Table_Name => "Make.Library_Paths");
package Failed_Links is new Table.Table (
Table_Component_Type => File_Name_Type,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 10,
Table_Increment => 100,
Table_Name => "Make.Failed_Links");
package Successful_Links is new Table.Table (
Table_Component_Type => File_Name_Type,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 10,
Table_Increment => 100,
Table_Name => "Make.Successful_Links");
package Library_Projs is new Table.Table (
Table_Component_Type => Project_Id,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 10,
Table_Increment => 100,
Table_Name => "Make.Library_Projs");
-- Two variables to keep the last binder and linker switch index in tables
-- Binder_Switches and Linker_Switches, before adding switches from the
-- project file (if any) and switches from the command line (if any).
Last_Binder_Switch : Integer := 0;
Last_Linker_Switch : Integer := 0;
Normalized_Switches : Argument_List_Access := new Argument_List (1 .. 10);
Last_Norm_Switch : Natural := 0;
Saved_Maximum_Processes : Natural := 0;
Gnatmake_Switch_Found : Boolean;
-- Set by Scan_Make_Arg. True when the switch is a gnatmake switch.
-- Tested by Add_Switches when switches in package Builder must all be
-- gnatmake switches.
Switch_May_Be_Passed_To_The_Compiler : Boolean;
-- Set by Add_Switches and Switches_Of. True when unrecognized switches
-- are passed to the Ada compiler.
type Arg_List_Ref is access Argument_List;
The_Saved_Gcc_Switches : Arg_List_Ref;
Project_File_Name : String_Access := null;
-- The path name of the main project file, if any
Project_File_Name_Present : Boolean := False;
-- True when -P is used with a space between -P and the project file name
Current_Verbosity : Prj.Verbosity := Prj.Default;
-- Verbosity to parse the project files
Main_Project : Prj.Project_Id := No_Project;
-- The project id of the main project file, if any
Project_Of_Current_Object_Directory : Project_Id := No_Project;
-- The object directory of the project for the last compilation. Avoid
-- calling Change_Dir if the current working directory is already this
-- directory.
Map_File : String_Access := null;
-- Value of switch --create-map-file
-- Packages of project files where unknown attributes are errors
Naming_String : aliased String := "naming";
Builder_String : aliased String := "builder";
Compiler_String : aliased String := "compiler";
Binder_String : aliased String := "binder";
Linker_String : aliased String := "linker";
Gnatmake_Packages : aliased String_List :=
(Naming_String 'Access,
Builder_String 'Access,
Compiler_String 'Access,
Binder_String 'Access,
Linker_String 'Access);
Packages_To_Check_By_Gnatmake : constant String_List_Access :=
Gnatmake_Packages'Access;
procedure Add_Library_Search_Dir
(Path : String;
On_Command_Line : Boolean);
-- Call Add_Lib_Search_Dir with an absolute directory path. If Path is
-- relative path, when On_Command_Line is True, it is relative to the
-- current working directory. When On_Command_Line is False, it is relative
-- to the project directory of the main project.
procedure Add_Source_Search_Dir
(Path : String;
On_Command_Line : Boolean);
-- Call Add_Src_Search_Dir with an absolute directory path. If Path is a
-- relative path, when On_Command_Line is True, it is relative to the
-- current working directory. When On_Command_Line is False, it is relative
-- to the project directory of the main project.
procedure Add_Source_Dir (N : String);
-- Call Add_Src_Search_Dir (output one line when in verbose mode)
procedure Add_Source_Directories is
new Prj.Env.For_All_Source_Dirs (Action => Add_Source_Dir);
procedure Add_Object_Dir (N : String);
-- Call Add_Lib_Search_Dir (output one line when in verbose mode)
procedure Add_Object_Directories is
new Prj.Env.For_All_Object_Dirs (Action => Add_Object_Dir);
procedure Change_To_Object_Directory (Project : Project_Id);
-- Change to the object directory of project Project, if this is not
-- already the current working directory.
type Bad_Compilation_Info is record
File : File_Name_Type;
Unit : Unit_Name_Type;
Found : Boolean;
end record;
-- File is the name of the file for which a compilation failed. Unit is for
-- gnatdist use in order to easily get the unit name of a file when its
-- name is krunched or declared in gnat.adc. Found is False if the
-- compilation failed because the file could not be found.
package Bad_Compilation is new Table.Table (
Table_Component_Type => Bad_Compilation_Info,
Table_Index_Type => Natural,
Table_Low_Bound => 1,
Table_Initial => 20,
Table_Increment => 100,
Table_Name => "Make.Bad_Compilation");
-- Full name of all the source files for which compilation fails
Do_Compile_Step : Boolean := True;
Do_Bind_Step : Boolean := True;
Do_Link_Step : Boolean := True;
-- Flags to indicate what step should be executed. Can be set to False
-- with the switches -c, -b and -l. These flags are reset to True for
-- each invocation of procedure Gnatmake.
Shared_String : aliased String := "-shared";
Force_Elab_Flags_String : aliased String := "-F";
CodePeer_Mode_String : aliased String := "-P";
No_Shared_Switch : aliased Argument_List := (1 .. 0 => null);
Shared_Switch : aliased Argument_List := (1 => Shared_String'Access);
Bind_Shared : Argument_List_Access := No_Shared_Switch'Access;
-- Switch to added in front of gnatbind switches. By default no switch is
-- added. Switch "-shared" is added if there is a non-static Library
-- Project File.
Shared_Libgcc : aliased String := "-shared-libgcc";
No_Shared_Libgcc_Switch : aliased Argument_List := (1 .. 0 => null);
Shared_Libgcc_Switch : aliased Argument_List :=
(1 => Shared_Libgcc'Access);
Link_With_Shared_Libgcc : Argument_List_Access :=
No_Shared_Libgcc_Switch'Access;
procedure Make_Failed (S : String);
-- Delete all temp files created by Gnatmake and call Osint.Fail, with the
-- parameter S (see osint.ads). This is called from the Prj hierarchy and
-- the MLib hierarchy. This subprogram also prints current error messages
-- (i.e. finalizes Errutil).
--------------------------
-- Obsolete Executables --
--------------------------
Executable_Obsolete : Boolean := False;
-- Executable_Obsolete is initially set to False for each executable,
-- and is set to True whenever one of the source of the executable is
-- compiled, or has already been compiled for another executable.
Max_Header : constant := 200;
-- This needs a proper comment, it used to say "arbitrary" that's not an
-- adequate comment ???
type Header_Num is range 1 .. Max_Header;
-- Header_Num for the hash table Obsoleted below
function Hash (F : File_Name_Type) return Header_Num;
-- Hash function for the hash table Obsoleted below
package Obsoleted is new System.HTable.Simple_HTable
(Header_Num => Header_Num,
Element => Boolean,
No_Element => False,
Key => File_Name_Type,
Hash => Hash,
Equal => "=");
-- A hash table to keep all files that have been compiled, to detect
-- if an executable is up to date or not.
procedure Enter_Into_Obsoleted (F : File_Name_Type);
-- Enter a file name, without directory information, into the hash table
-- Obsoleted.
function Is_In_Obsoleted (F : File_Name_Type) return Boolean;
-- Check if a file name, without directory information, has already been
-- entered into the hash table Obsoleted.
type Dependency is record
This : File_Name_Type;
Depends_On : File_Name_Type;
end record;
-- Components of table Dependencies below
package Dependencies is new Table.Table (
Table_Component_Type => Dependency,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 20,
Table_Increment => 100,
Table_Name => "Make.Dependencies");
-- A table to keep dependencies, to be able to decide if an executable
-- is obsolete. More explanation needed ???
----------------------------
-- Arguments and Switches --
----------------------------
Arguments : Argument_List_Access;
-- Used to gather the arguments for invocation of the compiler
Last_Argument : Natural := 0;
-- Last index of arguments in Arguments above
Arguments_Project : Project_Id;
-- Project id, if any, of the source to be compiled
Arguments_Path_Name : Path_Name_Type;
-- Full path of the source to be compiled, when Arguments_Project is not
-- No_Project.
Dummy_Switch : constant String_Access := new String'("- ");
-- Used to initialized Prev_Switch in procedure Check
procedure Add_Arguments (Args : Argument_List);
-- Add arguments to global variable Arguments, increasing its size
-- if necessary and adjusting Last_Argument.
function Configuration_Pragmas_Switch
(For_Project : Project_Id) return Argument_List;
-- Return an argument list of one element, if there is a configuration
-- pragmas file to be specified for For_Project,
-- otherwise return an empty argument list.
-------------------
-- Misc Routines --
-------------------
procedure List_Depend;
-- Prints to standard output the list of object dependencies. This list
-- can be used directly in a Makefile. A call to Compile_Sources must
-- precede the call to List_Depend. Also because this routine uses the
-- ALI files that were originally loaded and scanned by Compile_Sources,
-- no additional ALI files should be scanned between the two calls (i.e.
-- between the call to Compile_Sources and List_Depend.)
procedure List_Bad_Compilations;
-- Prints out the list of all files for which the compilation failed
Usage_Needed : Boolean := True;
-- Flag used to make sure Makeusg is call at most once
procedure Usage;
-- Call Makeusg, if Usage_Needed is True.
-- Set Usage_Needed to False.
procedure Debug_Msg (S : String; N : Name_Id);
procedure Debug_Msg (S : String; N : File_Name_Type);
procedure Debug_Msg (S : String; N : Unit_Name_Type);
-- If Debug.Debug_Flag_W is set outputs string S followed by name N
procedure Recursive_Compute_Depth (Project : Project_Id);
-- Compute depth of Project and of the projects it depends on
-----------------------
-- Gnatmake Routines --
-----------------------
subtype Lib_Mark_Type is Byte;
-- Used in Mark_Directory
Ada_Lib_Dir : constant Lib_Mark_Type := 1;
-- Used to mark a directory as a GNAT lib dir
-- Note that the notion of GNAT lib dir is no longer used. The code related
-- to it has not been removed to give an idea on how to use the directory
-- prefix marking mechanism.
-- An Ada library directory is a directory containing ali and object files
-- but no source files for the bodies (the specs can be in the same or some
-- other directory). These directories are specified in the Gnatmake
-- command line with the switch "-Adir" (to specify the spec location -Idir
-- cab be used). Gnatmake skips the missing sources whose ali are in Ada
-- library directories. For an explanation of why Gnatmake behaves that
-- way, see the spec of Make.Compile_Sources. The directory lookup penalty
-- is incurred every single time this routine is called.
procedure Check_Steps;
-- Check what steps (Compile, Bind, Link) must be executed.
-- Set the step flags accordingly.
function In_Ada_Lib_Dir (File : File_Name_Type) return Boolean;
-- Get directory prefix of this file and get lib mark stored in name
-- table for this directory. Then check if an Ada lib mark has been set.
procedure Mark_Directory
(Dir : String;
Mark : Lib_Mark_Type;
On_Command_Line : Boolean);
-- Store the absolute path from Dir in name table and set lib mark as name
-- info to identify Ada libraries.
--
-- If Dir is a relative path, when On_Command_Line is True, it is relative
-- to the current working directory; when On_Command_Line is False, it is
-- relative to the project directory of the main project.
Output_Is_Object : Boolean := True;
-- Set to False when using a switch -S for the compiler
procedure Check_For_S_Switch;
-- Set Output_Is_Object to False when the -S switch is used for the
-- compiler.
function Switches_Of
(Source_File : File_Name_Type;
Project : Project_Id;
In_Package : Package_Id;
Allow_ALI : Boolean) return Variable_Value;
-- Return the switches for the source file in the specified package of a
-- project file. If the Source_File ends with a standard GNAT extension
-- (".ads" or ".adb"), try first the full name, then the name without the
-- extension, then, if Allow_ALI is True, the name with the extension
-- ".ali". If there is no switches for either names, try first Switches
-- (others) then the default switches for Ada. If all failed, return
-- No_Variable_Value.
function Is_In_Object_Directory
(Source_File : File_Name_Type;
Full_Lib_File : File_Name_Type) return Boolean;
-- Check if, when using a project file, the ALI file is in the project
-- directory of the ultimate extending project. If it is not, we ignore
-- the fact that this ALI file is read-only.
procedure Process_Multilib (Env : in out Prj.Tree.Environment);
-- Add appropriate --RTS argument to handle multilib
procedure Resolve_Relative_Names_In_Switches (Current_Work_Dir : String);
-- Resolve all relative paths found in the linker and binder switches,
-- when using project files.
procedure Queue_Library_Project_Sources;
-- For all library project, if the library file does not exist, put all the
-- project sources in the queue, and flag the project so that the library
-- is generated.
procedure Compute_Switches_For_Main
(Main_Source_File : in out File_Name_Type;
Root_Environment : in out Prj.Tree.Environment;
Compute_Builder : Boolean;
Current_Work_Dir : String);
-- Find compiler, binder and linker switches to use for the given main
procedure Compute_Executable
(Main_Source_File : File_Name_Type;
Executable : out File_Name_Type;
Non_Std_Executable : out Boolean);
-- Parse the linker switches and project file to compute the name of the
-- executable to generate.
-- ??? What is the meaning of Non_Std_Executable
procedure Compilation_Phase
(Main_Source_File : File_Name_Type;
Current_Main_Index : Int := 0;
Total_Compilation_Failures : in out Natural;
Stand_Alone_Libraries : in out Boolean;
Executable : File_Name_Type := No_File;
Is_Last_Main : Boolean;
Stop_Compile : out Boolean);
-- Build all source files for a given main file
--
-- Current_Main_Index, if not zero, is the index of the current main unit
-- in its source file.
--
-- Stand_Alone_Libraries is set to True when there are Stand-Alone
-- Libraries, so that gnatbind is invoked with the -F switch to force
-- checking of elaboration flags.
--
-- Stop_Compile is set to true if we should not try to compile any more
-- of the main units
procedure Binding_Phase
(Stand_Alone_Libraries : Boolean := False;
Main_ALI_File : File_Name_Type);
-- Stand_Alone_Libraries should be set to True when there are Stand-Alone
-- Libraries, so that gnatbind is invoked with the -F switch to force
-- checking of elaboration flags.
procedure Library_Phase
(Stand_Alone_Libraries : in out Boolean;
Library_Rebuilt : in out Boolean);
-- Build libraries.
-- Stand_Alone_Libraries is set to True when there are Stand-Alone
-- Libraries, so that gnatbind is invoked with the -F switch to force
-- checking of elaboration flags.
procedure Linking_Phase
(Non_Std_Executable : Boolean := False;
Executable : File_Name_Type := No_File;
Main_ALI_File : File_Name_Type);
-- Perform the link of a single executable. The ali file corresponds
-- to Main_ALI_File. Executable is the file name of an executable.
-- Non_Std_Executable is set to True when there is a possibility that
-- the linker will not choose the correct executable file name.
----------------------------------------------------
-- Compiler, Binder & Linker Data and Subprograms --
----------------------------------------------------
Gcc : String_Access := Program_Name ("gcc", "gnatmake");
Gnatbind : String_Access := Program_Name ("gnatbind", "gnatmake");
Gnatlink : String_Access := Program_Name ("gnatlink", "gnatmake");
-- Default compiler, binder, linker programs
Globalizer : constant String := "codepeer_globalizer";
-- CodePeer globalizer executable name
Saved_Gcc : String_Access := null;
Saved_Gnatbind : String_Access := null;
Saved_Gnatlink : String_Access := null;
-- Given by the command line. Will be used, if non null
Gcc_Path : String_Access :=
GNAT.OS_Lib.Locate_Exec_On_Path (Gcc.all);
Gnatbind_Path : String_Access :=
GNAT.OS_Lib.Locate_Exec_On_Path (Gnatbind.all);
Gnatlink_Path : String_Access :=
GNAT.OS_Lib.Locate_Exec_On_Path (Gnatlink.all);
-- Path for compiler, binder, linker programs, defaulted now for gnatdist.
-- Changed later if overridden on command line.
Globalizer_Path : constant String_Access :=
GNAT.OS_Lib.Locate_Exec_On_Path (Globalizer);
-- Path for CodePeer globalizer
Comp_Flag : constant String_Access := new String'("-c");
Output_Flag : constant String_Access := new String'("-o");
Ada_Flag_1 : constant String_Access := new String'("-x");
Ada_Flag_2 : constant String_Access := new String'("ada");
AdaSCIL_Flag : constant String_Access := new String'("adascil");
No_gnat_adc : constant String_Access := new String'("-gnatA");
GNAT_Flag : constant String_Access := new String'("-gnatpg");
Do_Not_Check_Flag : constant String_Access := new String'("-x");
Object_Suffix : constant String := Get_Target_Object_Suffix.all;
Syntax_Only : Boolean := False;
-- Set to True when compiling with -gnats
Display_Executed_Programs : Boolean := True;
-- Set to True if name of commands should be output on stderr (or on stdout
-- if the Commands_To_Stdout flag was set by use of the -eS switch).
Output_File_Name_Seen : Boolean := False;
-- Set to True after having scanned the file_name for
-- switch "-o file_name"
Object_Directory_Seen : Boolean := False;
-- Set to True after having scanned the object directory for
-- switch "-D obj_dir".
Object_Directory_Path : String_Access := null;
-- The path name of the object directory, set with switch -D
type Make_Program_Type is (None, Compiler, Binder, Linker);
Program_Args : Make_Program_Type := None;
-- Used to indicate if we are scanning gnatmake, gcc, gnatbind, or gnatbind
-- options within the gnatmake command line. Used in Scan_Make_Arg only,
-- but must be global since value preserved from one call to another.
Temporary_Config_File : Boolean := False;
-- Set to True when there is a temporary config file used for a project
-- file, to avoid displaying the -gnatec switch for a temporary file.
procedure Add_Switches
(The_Package : Package_Id;
File_Name : String;
Program : Make_Program_Type;
Unknown_Switches_To_The_Compiler : Boolean := True;
Env : in out Prj.Tree.Environment);
procedure Add_Switch
(S : String_Access;
Program : Make_Program_Type;
Append_Switch : Boolean := True;
And_Save : Boolean := True);
procedure Add_Switch
(S : String;
Program : Make_Program_Type;
Append_Switch : Boolean := True;
And_Save : Boolean := True);
-- Make invokes one of three programs (the compiler, the binder or the
-- linker). For the sake of convenience, some program specific switches
-- can be passed directly on the gnatmake command line. This procedure
-- records these switches so that gnatmake can pass them to the right
-- program. S is the switch to be added at the end of the command line
-- for Program if Append_Switch is True. If Append_Switch is False S is
-- added at the beginning of the command line.
procedure Check
(Source_File : File_Name_Type;
Is_Main_Source : Boolean;
The_Args : Argument_List;
Lib_File : File_Name_Type;
Full_Lib_File : File_Name_Type;
Lib_File_Attr : access File_Attributes;
Read_Only : Boolean;
ALI : out ALI_Id;
O_File : out File_Name_Type;
O_Stamp : out Time_Stamp_Type);
-- Determines whether the library file Lib_File is up-to-date or not. The
-- full name (with path information) of the object file corresponding to
-- Lib_File is returned in O_File. Its time stamp is saved in O_Stamp.
-- ALI is the ALI_Id corresponding to Lib_File. If Lib_File in not
-- up-to-date, then the corresponding source file needs to be recompiled.
-- In this case ALI = No_ALI_Id.
-- Full_Lib_File must be the result of calling Osint.Full_Lib_File_Name on
-- Lib_File. Precomputing it saves system calls. Lib_File_Attr is the
-- initialized attributes of that file, which is also used to save on
-- system calls (it can safely be initialized to Unknown_Attributes).
procedure Check_Linker_Options
(E_Stamp : Time_Stamp_Type;
O_File : out File_Name_Type;
O_Stamp : out Time_Stamp_Type);
-- Checks all linker options for linker files that are newer
-- than E_Stamp. If such objects are found, the youngest object
-- is returned in O_File and its stamp in O_Stamp.
--
-- If no obsolete linker files were found, the first missing
-- linker file is returned in O_File and O_Stamp is empty.
-- Otherwise O_File is No_File.
procedure Collect_Arguments
(Source_File : File_Name_Type;
Is_Main_Source : Boolean;
Args : Argument_List);
-- Collect all arguments for a source to be compiled, including those
-- that come from a project file.
procedure Display (Program : String; Args : Argument_List);
-- Displays Program followed by the arguments in Args if variable
-- Display_Executed_Programs is set. The lower bound of Args must be 1.
procedure Report_Compilation_Failed;
-- Delete all temporary files and fail graciously
-----------------
-- Mapping files
-----------------
type Temp_Path_Names is array (Positive range <>) of Path_Name_Type;
type Temp_Path_Ptr is access Temp_Path_Names;
type Free_File_Indexes is array (Positive range <>) of Positive;
type Free_Indexes_Ptr is access Free_File_Indexes;
type Project_Compilation_Data is record
Mapping_File_Names : Temp_Path_Ptr;
-- The name ids of the temporary mapping files used. This is indexed
-- on the maximum number of compilation processes we will be spawning
-- (-j parameter)
Last_Mapping_File_Names : Natural;
-- Index of the last mapping file created for this project
Free_Mapping_File_Indexes : Free_Indexes_Ptr;
-- Indexes in Mapping_File_Names of the mapping file names that can be
-- reused for subsequent compilations.
Last_Free_Indexes : Natural;
-- Number of mapping files that can be reused
end record;
-- Information necessary when compiling a project
type Project_Compilation_Access is access Project_Compilation_Data;
package Project_Compilation_Htable is new Simple_HTable
(Header_Num => Prj.Header_Num,
Element => Project_Compilation_Access,
No_Element => null,
Key => Project_Id,
Hash => Prj.Hash,
Equal => "=");
Project_Compilation : Project_Compilation_Htable.Instance;
Gnatmake_Mapping_File : String_Access := null;
-- The path name of a mapping file specified by switch -C=
procedure Init_Mapping_File
(Project : Project_Id;
Data : in out Project_Compilation_Data;
File_Index : in out Natural);
-- Create a new temporary mapping file, and fill it with the project file
-- mappings, when using project file(s). The out parameter File_Index is
-- the index to the name of the file in the array The_Mapping_File_Names.
-------------------------------------------------
-- Subprogram declarations moved from the spec --
-------------------------------------------------
procedure Bind (ALI_File : File_Name_Type; Args : Argument_List);
-- Binds ALI_File. Args are the arguments to pass to the binder.
-- Args must have a lower bound of 1.
procedure Display_Commands (Display : Boolean := True);
-- The default behavior of Make commands (Compile_Sources, Bind, Link)
-- is to display them on stderr. This behavior can be changed repeatedly
-- by invoking this procedure.
-- If a compilation, bind or link failed one of the following 3 exceptions
-- is raised. These need to be handled by the calling routines.
procedure Compile_Sources
(Main_Source : File_Name_Type;
Args : Argument_List;
First_Compiled_File : out File_Name_Type;
Most_Recent_Obj_File : out File_Name_Type;
Most_Recent_Obj_Stamp : out Time_Stamp_Type;
Main_Unit : out Boolean;
Compilation_Failures : out Natural;
Main_Index : Int := 0;
Check_Readonly_Files : Boolean := False;
Do_Not_Execute : Boolean := False;
Force_Compilations : Boolean := False;
Keep_Going : Boolean := False;
In_Place_Mode : Boolean := False;
Initialize_ALI_Data : Boolean := True;
Max_Process : Positive := 1);
-- Compile_Sources will recursively compile all the sources needed by
-- Main_Source. Before calling this routine make sure Namet has been
-- initialized. This routine can be called repeatedly with different
-- Main_Source file as long as all the source (-I flags), library
-- (-B flags) and ada library (-A flags) search paths between calls are
-- *exactly* the same. The default directory must also be the same.
--
-- Args contains the arguments to use during the compilations.
-- The lower bound of Args must be 1.
--
-- First_Compiled_File is set to the name of the first file that is
-- compiled or that needs to be compiled. This is set to No_Name if no
-- compilations were needed.
--
-- Most_Recent_Obj_File is set to the full name of the most recent
-- object file found when no compilations are needed, that is when
-- First_Compiled_File is set to No_Name. When First_Compiled_File
-- is set then Most_Recent_Obj_File is set to No_Name.
--
-- Most_Recent_Obj_Stamp is the time stamp of Most_Recent_Obj_File.
--
-- Main_Unit is set to True if Main_Source can be a main unit.
-- If Do_Not_Execute is False and First_Compiled_File /= No_Name
-- the value of Main_Unit is always False.
-- Is this used any more??? It is certainly not used by gnatmake???
--
-- Compilation_Failures is a count of compilation failures. This count
-- is used to extract compilation failure reports with Extract_Failure.
--
-- Main_Index, when not zero, is the index of the main unit in source
-- file Main_Source which is a multi-unit source.
-- Zero indicates that Main_Source is a single unit source file.
--
-- Check_Readonly_Files set it to True to compile source files
-- which library files are read-only. When compiling GNAT predefined
-- files the "-gnatg" flag is used.
--
-- Do_Not_Execute set it to True to find out the first source that
-- needs to be recompiled, but without recompiling it. This file is
-- saved in First_Compiled_File.
--
-- Force_Compilations forces all compilations no matter what but
-- recompiles read-only files only if Check_Readonly_Files
-- is set.
--
-- Keep_Going when True keep compiling even in the presence of
-- compilation errors.
--
-- In_Place_Mode when True save library/object files in their object
-- directory if they already exist; otherwise, in the source directory.
--
-- Initialize_ALI_Data set it to True when you want to initialize ALI
-- data-structures. This is what you should do most of the time.
-- (especially the first time around when you call this routine).
-- This parameter is set to False to preserve previously recorded
-- ALI file data.
--
-- Max_Process is the maximum number of processes that should be spawned
-- to carry out compilations.
--
-- Flags in Package Opt Affecting Compile_Sources
-- -----------------------------------------------
--
-- Check_Object_Consistency set it to False to omit all consistency
-- checks between an .ali file and its corresponding object file.
-- When this flag is set to true, every time an .ali is read,
-- package Osint checks that the corresponding object file
-- exists and is more recent than the .ali.
--
-- Use of Name Table Info
-- ----------------------
--
-- All file names manipulated by Compile_Sources are entered into the
-- Names table. The Byte field of a source file is used to mark it.
--
-- Calling Compile_Sources Several Times
-- -------------------------------------
--
-- Upon return from Compile_Sources all the ALI data structures are left
-- intact for further browsing. HOWEVER upon entry to this routine ALI
-- data structures are re-initialized if parameter Initialize_ALI_Data
-- above is set to true. Typically this is what you want the first time
-- you call Compile_Sources. You should not load an ali file, call this
-- routine with flag Initialize_ALI_Data set to True and then expect
-- that ALI information to be around after the call. Note that the first
-- time you call Compile_Sources you better set Initialize_ALI_Data to
-- True unless you have called Initialize_ALI yourself.
--
-- Compile_Sources ALGORITHM : Compile_Sources (Main_Source)
-- -------------------------
--
-- 1. Insert Main_Source in a Queue (Q) and mark it.
--
-- 2. Let unit.adb be the file at the head of the Q. If unit.adb is
-- missing but its corresponding ali file is in an Ada library directory
-- (see below) then, remove unit.adb from the Q and goto step 4.
-- Otherwise, look at the files under the D (dependency) section of
-- unit.ali. If unit.ali does not exist or some of the time stamps do
-- not match, (re)compile unit.adb.
--
-- An Ada library directory is a directory containing Ada specs, ali
-- and object files but no source files for the bodies. An Ada library
-- directory is communicated to gnatmake by means of some switch so that
-- gnatmake can skip the sources whole ali are in that directory.
-- There are two reasons for skipping the sources in this case. Firstly,
-- Ada libraries typically come without full sources but binding and
-- linking against those libraries is still possible. Secondly, it would
-- be very wasteful for gnatmake to systematically check the consistency
-- of every external Ada library used in a program. The binder is
-- already in charge of catching any potential inconsistencies.
--
-- 3. Look into the W section of unit.ali and insert into the Q all
-- unmarked source files. Mark all files newly inserted in the Q.
-- Specifically, assuming that the W section looks like
--
-- W types%s types.adb types.ali
-- W unchecked_deallocation%s
-- W xref_tab%s xref_tab.adb xref_tab.ali
--
-- Then xref_tab.adb and types.adb are inserted in the Q if they are not
-- already marked.
-- Note that there is no file listed under W unchecked_deallocation%s
-- so no generic body should ever be explicitly compiled (unless the
-- Main_Source at the start was a generic body).
--
-- 4. Repeat steps 2 and 3 above until the Q is empty
--
-- Note that the above algorithm works because the units withed in
-- subunits are transitively included in the W section (with section) of
-- the main unit. Likewise the withed units in a generic body needed
-- during a compilation are also transitively included in the W section
-- of the originally compiled file.
procedure Globalize (Success : out Boolean);
-- Call the CodePeer globalizer on all the project's object directories,
-- or on the current directory if no projects.
procedure Initialize
(Project_Node_Tree : out Project_Node_Tree_Ref;
Env : out Prj.Tree.Environment);
-- Performs default and package initialization. Therefore,
-- Compile_Sources can be called by an external unit.
procedure Link
(ALI_File : File_Name_Type;
Args : Argument_List;
Success : out Boolean);
-- Links ALI_File. Args are the arguments to pass to the linker.
-- Args must have a lower bound of 1. Success indicates if the link
-- succeeded or not.
procedure Scan_Make_Arg
(Env : in out Prj.Tree.Environment;
Argv : String;
And_Save : Boolean);
-- Scan make arguments. Argv is a single argument to be processed.
-- Project_Node_Tree will be used to initialize external references. It
-- must have been initialized.
-------------------
-- Add_Arguments --
-------------------
procedure Add_Arguments (Args : Argument_List) is
begin
if Arguments = null then
Arguments := new Argument_List (1 .. Args'Length + 10);
else
while Last_Argument + Args'Length > Arguments'Last loop
declare
New_Arguments : constant Argument_List_Access :=
new Argument_List (1 .. Arguments'Last * 2);
begin
New_Arguments (1 .. Last_Argument) :=
Arguments (1 .. Last_Argument);
Arguments := New_Arguments;
end;
end loop;
end if;
Arguments (Last_Argument + 1 .. Last_Argument + Args'Length) := Args;
Last_Argument := Last_Argument + Args'Length;
end Add_Arguments;
-- --------------------
-- -- Add_Dependency --
-- --------------------
--
-- procedure Add_Dependency (S : File_Name_Type; On : File_Name_Type) is
-- begin
-- Dependencies.Increment_Last;
-- Dependencies.Table (Dependencies.Last) := (S, On);
-- end Add_Dependency;
----------------------------
-- Add_Library_Search_Dir --
----------------------------
procedure Add_Library_Search_Dir
(Path : String;
On_Command_Line : Boolean)
is
begin
if On_Command_Line then
Add_Lib_Search_Dir (Normalize_Pathname (Path));
else
Get_Name_String (Main_Project.Directory.Display_Name);
Add_Lib_Search_Dir
(Normalize_Pathname (Path, Name_Buffer (1 .. Name_Len)));
end if;
end Add_Library_Search_Dir;
--------------------
-- Add_Object_Dir --
--------------------
procedure Add_Object_Dir (N : String) is
begin
Add_Lib_Search_Dir (N);
if Verbose_Mode then
Write_Str ("Adding object directory """);
Write_Str (N);
Write_Str (""".");
Write_Eol;
end if;
end Add_Object_Dir;
--------------------
-- Add_Source_Dir --
--------------------
procedure Add_Source_Dir (N : String) is
begin
Add_Src_Search_Dir (N);
if Verbose_Mode then
Write_Str ("Adding source directory """);
Write_Str (N);
Write_Str (""".");
Write_Eol;
end if;
end Add_Source_Dir;
---------------------------
-- Add_Source_Search_Dir --
---------------------------
procedure Add_Source_Search_Dir
(Path : String;
On_Command_Line : Boolean)
is
begin
if On_Command_Line then
Add_Src_Search_Dir (Normalize_Pathname (Path));
else
Get_Name_String (Main_Project.Directory.Display_Name);
Add_Src_Search_Dir
(Normalize_Pathname (Path, Name_Buffer (1 .. Name_Len)));
end if;
end Add_Source_Search_Dir;
----------------
-- Add_Switch --
----------------
procedure Add_Switch
(S : String_Access;
Program : Make_Program_Type;
Append_Switch : Boolean := True;
And_Save : Boolean := True)
is
generic
with package T is new Table.Table (<>);
procedure Generic_Position (New_Position : out Integer);
-- Generic procedure that chooses a position for S in T at the
-- beginning or the end, depending on the boolean Append_Switch.
-- Calling this procedure may expand the table.
----------------------
-- Generic_Position --
----------------------
procedure Generic_Position (New_Position : out Integer) is
begin
T.Increment_Last;
if Append_Switch then
New_Position := Integer (T.Last);
else
for J in reverse T.Table_Index_Type'Succ (T.First) .. T.Last loop
T.Table (J) := T.Table (T.Table_Index_Type'Pred (J));
end loop;
New_Position := Integer (T.First);
end if;
end Generic_Position;
procedure Gcc_Switches_Pos is new Generic_Position (Gcc_Switches);
procedure Binder_Switches_Pos is new Generic_Position (Binder_Switches);
procedure Linker_Switches_Pos is new Generic_Position (Linker_Switches);
procedure Saved_Gcc_Switches_Pos is new
Generic_Position (Saved_Gcc_Switches);
procedure Saved_Binder_Switches_Pos is new
Generic_Position (Saved_Binder_Switches);
procedure Saved_Linker_Switches_Pos is new
Generic_Position (Saved_Linker_Switches);
New_Position : Integer;
-- Start of processing for Add_Switch
begin
if And_Save then
case Program is
when Compiler =>
Saved_Gcc_Switches_Pos (New_Position);
Saved_Gcc_Switches.Table (New_Position) := S;
when Binder =>
Saved_Binder_Switches_Pos (New_Position);
Saved_Binder_Switches.Table (New_Position) := S;
when Linker =>
Saved_Linker_Switches_Pos (New_Position);
Saved_Linker_Switches.Table (New_Position) := S;
when None =>
raise Program_Error;
end case;
else
case Program is
when Compiler =>
Gcc_Switches_Pos (New_Position);
Gcc_Switches.Table (New_Position) := S;
when Binder =>
Binder_Switches_Pos (New_Position);
Binder_Switches.Table (New_Position) := S;
when Linker =>
Linker_Switches_Pos (New_Position);
Linker_Switches.Table (New_Position) := S;
when None =>
raise Program_Error;
end case;
end if;
end Add_Switch;
procedure Add_Switch
(S : String;
Program : Make_Program_Type;
Append_Switch : Boolean := True;
And_Save : Boolean := True)
is
begin
Add_Switch (S => new String'(S),
Program => Program,
Append_Switch => Append_Switch,
And_Save => And_Save);
end Add_Switch;
------------------
-- Add_Switches --
------------------
procedure Add_Switches
(The_Package : Package_Id;
File_Name : String;
Program : Make_Program_Type;
Unknown_Switches_To_The_Compiler : Boolean := True;
Env : in out Prj.Tree.Environment)
is
Switches : Variable_Value;
Switch_List : String_List_Id;
Element : String_Element;
begin
Switch_May_Be_Passed_To_The_Compiler :=
Unknown_Switches_To_The_Compiler;
if File_Name'Length > 0 then
Name_Len := 0;
Add_Str_To_Name_Buffer (File_Name);
Switches :=
Switches_Of
(Source_File => Name_Find,
Project => Main_Project,
In_Package => The_Package,
Allow_ALI => Program = Binder or else Program = Linker);
if Switches.Kind = List then
Program_Args := Program;
Switch_List := Switches.Values;
while Switch_List /= Nil_String loop
Element :=
Project_Tree.Shared.String_Elements.Table (Switch_List);
Get_Name_String (Element.Value);
if Name_Len > 0 then
declare
Argv : constant String := Name_Buffer (1 .. Name_Len);
-- We need a copy, because Name_Buffer may be modified
begin
if Verbose_Mode then
Write_Str (" Adding ");
Write_Line (Argv);
end if;
Scan_Make_Arg (Env, Argv, And_Save => False);
if not Gnatmake_Switch_Found
and then not Switch_May_Be_Passed_To_The_Compiler
then
Errutil.Error_Msg
('"' & Argv &
""" is not a gnatmake switch. Consider moving "
& "it to Global_Compilation_Switches.",
Element.Location);
Make_Failed ("*** illegal switch """ & Argv & """");
end if;
end;
end if;
Switch_List := Element.Next;
end loop;
end if;
end if;
end Add_Switches;
----------
-- Bind --
----------
procedure Bind (ALI_File : File_Name_Type; Args : Argument_List) is
Bind_Args : Argument_List (1 .. Args'Last + 2);
Bind_Last : Integer;
Success : Boolean;
begin
pragma Assert (Args'First = 1);
-- Optimize the simple case where the gnatbind command line looks like
-- gnatbind -aO. -I- file.ali
-- into
-- gnatbind file.adb
if Args'Length = 2
and then Args (Args'First).all = "-aO" & Normalized_CWD
and then Args (Args'Last).all = "-I-"
and then ALI_File = Strip_Directory (ALI_File)
then
Bind_Last := Args'First - 1;
else
Bind_Last := Args'Last;
Bind_Args (Args'Range) := Args;
end if;
-- It is completely pointless to re-check source file time stamps. This
-- has been done already by gnatmake
Bind_Last := Bind_Last + 1;
Bind_Args (Bind_Last) := Do_Not_Check_Flag;
Get_Name_String (ALI_File);
Bind_Last := Bind_Last + 1;
Bind_Args (Bind_Last) := new String'(Name_Buffer (1 .. Name_Len));
GNAT.OS_Lib.Normalize_Arguments (Bind_Args (Args'First .. Bind_Last));
Display (Gnatbind.all, Bind_Args (Args'First .. Bind_Last));
if Gnatbind_Path = null then
Make_Failed ("error, unable to locate " & Gnatbind.all);
end if;
GNAT.OS_Lib.Spawn
(Gnatbind_Path.all, Bind_Args (Args'First .. Bind_Last), Success);
if not Success then
Make_Failed ("*** bind failed.");
end if;
end Bind;
--------------------------------
-- Change_To_Object_Directory --
--------------------------------
procedure Change_To_Object_Directory (Project : Project_Id) is
Object_Directory : Path_Name_Type;
begin
pragma Assert (Project /= No_Project);
-- Nothing to do if the current working directory is already the correct
-- object directory.
if Project_Of_Current_Object_Directory /= Project then
Project_Of_Current_Object_Directory := Project;
Object_Directory := Project.Object_Directory.Display_Name;
-- Set the working directory to the object directory of the actual
-- project.
if Verbose_Mode then
Write_Str ("Changing to object directory of """);
Write_Name (Project.Display_Name);
Write_Str (""": """);
Write_Name (Object_Directory);
Write_Line ("""");
end if;
Change_Dir (Get_Name_String (Object_Directory));
end if;
exception
-- Fail if unable to change to the object directory
when Directory_Error =>
Make_Failed ("unable to change to object directory """ &
Path_Or_File_Name
(Project.Object_Directory.Display_Name) &
""" of project " &
Get_Name_String (Project.Display_Name));
end Change_To_Object_Directory;
-----------
-- Check --
-----------
procedure Check
(Source_File : File_Name_Type;
Is_Main_Source : Boolean;
The_Args : Argument_List;
Lib_File : File_Name_Type;
Full_Lib_File : File_Name_Type;
Lib_File_Attr : access File_Attributes;
Read_Only : Boolean;
ALI : out ALI_Id;
O_File : out File_Name_Type;
O_Stamp : out Time_Stamp_Type)
is
function First_New_Spec (A : ALI_Id) return File_Name_Type;
-- Looks in the with table entries of A and returns the spec file name
-- of the first withed unit (subprogram) for which no spec existed when
-- A was generated but for which there exists one now, implying that A
-- is now obsolete. If no such unit is found No_File is returned.
-- Otherwise the spec file name of the unit is returned.
--
-- **WARNING** in the event of Uname format modifications, one *MUST*
-- make sure this function is also updated.
--
-- Note: This function should really be in ali.adb and use Uname
-- services, but this causes the whole compiler to be dragged along
-- for gnatbind and gnatmake.
--------------------
-- First_New_Spec --
--------------------
function First_New_Spec (A : ALI_Id) return File_Name_Type is
Spec_File_Name : File_Name_Type := No_File;
function New_Spec (Uname : Unit_Name_Type) return Boolean;
-- Uname is the name of the spec or body of some ada unit. This
-- function returns True if the Uname is the name of a body which has
-- a spec not mentioned in ALI file A. If True is returned
-- Spec_File_Name above is set to the name of this spec file.
--------------
-- New_Spec --
--------------
function New_Spec (Uname : Unit_Name_Type) return Boolean is
Spec_Name : Unit_Name_Type;
File_Name : File_Name_Type;
begin
-- Test whether Uname is the name of a body unit (i.e. ends
-- with %b).
Get_Name_String (Uname);
pragma
Assert (Name_Len > 2 and then Name_Buffer (Name_Len - 1) = '%');
if Name_Buffer (Name_Len) /= 'b' then
return False;
end if;
-- Convert unit name into spec name
-- ??? this code seems dubious in presence of pragma
-- Source_File_Name since there is no more direct relationship
-- between unit name and file name.
-- ??? Further, what about alternative subunit naming
Name_Buffer (Name_Len) := 's';
Spec_Name := Name_Find;
File_Name := Get_File_Name (Spec_Name, Subunit => False);
-- Look if File_Name is mentioned in A's sdep list.
-- If not look if the file exists. If it does return True.
for D in
ALIs.Table (A).First_Sdep .. ALIs.Table (A).Last_Sdep
loop
if Sdep.Table (D).Sfile = File_Name then
return False;
end if;
end loop;
if Full_Source_Name (File_Name) /= No_File then
Spec_File_Name := File_Name;
return True;
end if;
return False;
end New_Spec;
-- Start of processing for First_New_Spec
begin
U_Chk : for U in
ALIs.Table (A).First_Unit .. ALIs.Table (A).Last_Unit
loop
exit U_Chk when Units.Table (U).Utype = Is_Body_Only
and then New_Spec (Units.Table (U).Uname);
for W in Units.Table (U).First_With
..
Units.Table (U).Last_With
loop
exit U_Chk when
Withs.Table (W).Afile /= No_File
and then New_Spec (Withs.Table (W).Uname);
end loop;
end loop U_Chk;
return Spec_File_Name;
end First_New_Spec;
---------------------------------
-- Data declarations for Check --
---------------------------------
Full_Obj_File : File_Name_Type;
-- Full name of the object file corresponding to Lib_File
Lib_Stamp : Time_Stamp_Type;
-- Time stamp of the current ada library file
Obj_Stamp : Time_Stamp_Type;
-- Time stamp of the current object file
Modified_Source : File_Name_Type;
-- The first source in Lib_File whose current time stamp differs from
-- that stored in Lib_File.
New_Spec : File_Name_Type;
-- If Lib_File contains in its W (with) section a body (for a
-- subprogram) for which there exists a spec, and the spec did not
-- appear in the Sdep section of Lib_File, New_Spec contains the file
-- name of this new spec.
Source_Name : File_Name_Type;
Text : Text_Buffer_Ptr;
First_Arg : Arg_Id;
-- Index of the first argument in Args.Table for a given unit
Last_Arg : Arg_Id;
-- Index of the last argument in Args.Table for a given unit
Arg : Arg_Id := Arg_Id'First;
-- Current index in Args.Table for a given unit (init to stop warning)
Number_Of_Switches : Natural;
-- Number of switches recorded for a given unit
Prev_Switch : String_Access;
-- Previous switch processed
Switch_Found : Boolean;
-- True if a given switch has been found
ALI_Project : Project_Id;
-- If the ALI file is in the object directory of a project, this is
-- the project id.
-- Start of processing for Check
begin
pragma Assert (Lib_File /= No_File);
-- If ALI file is read-only, temporarily set Check_Object_Consistency to
-- False. We don't care if the object file is not there (presumably a
-- library will be used for linking.)
if Read_Only then
declare
Saved_Check_Object_Consistency : constant Boolean :=
Check_Object_Consistency;
begin
Check_Object_Consistency := False;
Text := Read_Library_Info_From_Full (Full_Lib_File, Lib_File_Attr);
Check_Object_Consistency := Saved_Check_Object_Consistency;
end;
else
Text := Read_Library_Info_From_Full (Full_Lib_File, Lib_File_Attr);
end if;
Full_Obj_File := Full_Object_File_Name;
Lib_Stamp := Current_Library_File_Stamp;
Obj_Stamp := Current_Object_File_Stamp;
if Full_Lib_File = No_File then
Verbose_Msg
(Lib_File,
"being checked ...",
Prefix => " ",
Minimum_Verbosity => Opt.Medium);
else
Verbose_Msg
(Full_Lib_File,
"being checked ...",
Prefix => " ",
Minimum_Verbosity => Opt.Medium);
end if;
ALI := No_ALI_Id;
O_File := Full_Obj_File;
O_Stamp := Obj_Stamp;
if Text = null then
if Full_Lib_File = No_File then
Verbose_Msg (Lib_File, "missing.");
elsif Obj_Stamp (Obj_Stamp'First) = ' ' then
Verbose_Msg (Full_Obj_File, "missing.");
else
Verbose_Msg
(Full_Lib_File, "(" & String (Lib_Stamp) & ") newer than",
Full_Obj_File, "(" & String (Obj_Stamp) & ")");
end if;
else
ALI := Scan_ALI (Lib_File, Text, Ignore_ED => False, Err => True);
Free (Text);
if ALI = No_ALI_Id then
Verbose_Msg (Full_Lib_File, "incorrectly formatted ALI file");
return;
elsif ALIs.Table (ALI).Ver (1 .. ALIs.Table (ALI).Ver_Len) /=
Verbose_Library_Version
then
Verbose_Msg (Full_Lib_File, "compiled with old GNAT version");
ALI := No_ALI_Id;
return;
end if;
-- Don't take ALI file into account if it was generated with errors
if ALIs.Table (ALI).Compile_Errors then
Verbose_Msg (Full_Lib_File, "had errors, must be recompiled");
ALI := No_ALI_Id;
return;
end if;
-- Don't take ALI file into account if no object was generated
if Operating_Mode /= Check_Semantics
and then ALIs.Table (ALI).No_Object
then
Verbose_Msg (Full_Lib_File, "has no corresponding object");
ALI := No_ALI_Id;
return;
end if;
-- When compiling with -gnatc, don't take ALI file into account if
-- it has not been generated for the current source, for example if
-- it has been generated for the spec, but we are compiling the body.
if Operating_Mode = Check_Semantics then
declare
File_Name : String := Get_Name_String (Source_File);
OK : Boolean := False;
begin
-- In the ALI file, the source file names are in canonical case
Canonical_Case_File_Name (File_Name);
for U in ALIs.Table (ALI).First_Unit ..
ALIs.Table (ALI).Last_Unit
loop
OK := Get_Name_String (Units.Table (U).Sfile) = File_Name;
exit when OK;
end loop;
if not OK then
Verbose_Msg
(Full_Lib_File, "not generated for the same source");
ALI := No_ALI_Id;
return;
end if;
end;
end if;
-- Check for matching compiler switches if needed
if Check_Switches then
-- First, collect all the switches
Collect_Arguments (Source_File, Is_Main_Source, The_Args);
Prev_Switch := Dummy_Switch;
Get_Name_String (ALIs.Table (ALI).Sfile);
Switches_To_Check.Set_Last (0);
for J in 1 .. Last_Argument loop
-- Skip -c, -I and -o switches
if Arguments (J) (1) = '-'
and then Arguments (J) (2) /= 'c'
and then Arguments (J) (2) /= 'o'
and then Arguments (J) (2) /= 'I'
then
Normalize_Compiler_Switches
(Arguments (J).all,
Normalized_Switches,
Last_Norm_Switch);
for K in 1 .. Last_Norm_Switch loop
Switches_To_Check.Increment_Last;
Switches_To_Check.Table (Switches_To_Check.Last) :=
Normalized_Switches (K);
end loop;
end if;
end loop;
First_Arg := Units.Table (ALIs.Table (ALI).First_Unit).First_Arg;
Last_Arg := Units.Table (ALIs.Table (ALI).First_Unit).Last_Arg;
for J in 1 .. Switches_To_Check.Last loop
-- Comparing switches is delicate because gcc reorders a number
-- of switches, according to lang-specs.h, but gnatmake doesn't
-- have sufficient knowledge to perform the same reordering.
-- Instead, we ignore orders between different "first letter"
-- switches, but keep orders between same switches, e.g -O -O2
-- is different than -O2 -O, but -g -O is equivalent to -O -g.
if Switches_To_Check.Table (J) (2) /= Prev_Switch (2) or else
(Prev_Switch'Length >= 6 and then
Prev_Switch (2 .. 5) = "gnat" and then
Switches_To_Check.Table (J)'Length >= 6 and then
Switches_To_Check.Table (J) (2 .. 5) = "gnat" and then
Prev_Switch (6) /= Switches_To_Check.Table (J) (6))
then
Prev_Switch := Switches_To_Check.Table (J);
Arg := First_Arg;
end if;
Switch_Found := False;
for K in Arg .. Last_Arg loop
if
Switches_To_Check.Table (J).all = Args.Table (K).all
then
Arg := K + 1;
Switch_Found := True;
exit;
end if;
end loop;
if not Switch_Found then
if Verbose_Mode then
Verbose_Msg (ALIs.Table (ALI).Sfile,
"switch mismatch """ &
Switches_To_Check.Table (J).all & '"');
end if;
ALI := No_ALI_Id;
return;
end if;
end loop;
Number_Of_Switches := Natural (Last_Arg - First_Arg + 1);
-- Do not count the multilib switches reinstated by the compiler
-- according to the lang-specs.h.settings.
for K in First_Arg .. Last_Arg loop
if Args.Table (K).all = "-mrtp" then
Number_Of_Switches := Number_Of_Switches - 1;
end if;
end loop;
if Switches_To_Check.Last /= Number_Of_Switches then
if Verbose_Mode then
Verbose_Msg (ALIs.Table (ALI).Sfile,
"different number of switches");
for K in First_Arg .. Last_Arg loop
Write_Str (Args.Table (K).all);
Write_Char (' ');
end loop;
Write_Eol;
for J in 1 .. Switches_To_Check.Last loop
Write_Str (Switches_To_Check.Table (J).all);
Write_Char (' ');
end loop;
Write_Eol;
end if;
ALI := No_ALI_Id;
return;
end if;
end if;
-- Get the source files and their message digests. Note that some
-- sources may be missing if ALI is out-of-date.
Set_Source_Table (ALI);
Modified_Source := Time_Stamp_Mismatch (ALI, Read_Only);
-- To avoid using too much memory when switch -m is used, free the
-- memory allocated for the source file when computing the checksum.
if Minimal_Recompilation then
Sinput.P.Clear_Source_File_Table;
end if;
if Modified_Source /= No_File then
ALI := No_ALI_Id;
if Verbose_Mode then
Source_Name := Full_Source_Name (Modified_Source);
if Source_Name /= No_File then
Verbose_Msg (Source_Name, "time stamp mismatch");
else
Verbose_Msg (Modified_Source, "missing");
end if;
end if;
else
New_Spec := First_New_Spec (ALI);
if New_Spec /= No_File then
ALI := No_ALI_Id;
if Verbose_Mode then
Source_Name := Full_Source_Name (New_Spec);
if Source_Name /= No_File then
Verbose_Msg (Source_Name, "new spec");
else
Verbose_Msg (New_Spec, "old spec missing");
end if;
end if;
elsif not Read_Only and then Main_Project /= No_Project then
declare
Uname : constant Name_Id :=
Check_Source_Info_In_ALI (ALI, Project_Tree);
Udata : Prj.Unit_Index;
begin
if Uname = No_Name then
ALI := No_ALI_Id;
return;
end if;
-- Check that ALI file is in the correct object directory.
-- If it is in the object directory of a project that is
-- extended and it depends on a source that is in one of
-- its extending projects, then the ALI file is not in the
-- correct object directory.
-- First, find the project of this ALI file. As there may be
-- several projects with the same object directory, we first
-- need to find the project of the source.
ALI_Project := No_Project;
Udata := Units_Htable.Get (Project_Tree.Units_HT, Uname);
if Udata /= No_Unit_Index then
if Udata.File_Names (Impl) /= null
and then Udata.File_Names (Impl).File = Source_File
then
ALI_Project := Udata.File_Names (Impl).Project;
elsif Udata.File_Names (Spec) /= null
and then Udata.File_Names (Spec).File = Source_File
then
ALI_Project := Udata.File_Names (Spec).Project;
end if;
end if;
end;
if ALI_Project = No_Project then
return;
end if;
declare
Obj_Dir : Path_Name_Type;
Res_Obj_Dir : constant String :=
Normalize_Pathname
(Dir_Name
(Get_Name_String (Full_Lib_File)),
Resolve_Links =>
Opt.Follow_Links_For_Dirs,
Case_Sensitive => False);
begin
Name_Len := 0;
Add_Str_To_Name_Buffer (Res_Obj_Dir);
if not Is_Directory_Separator (Name_Buffer (Name_Len)) then
Add_Char_To_Name_Buffer (Directory_Separator);
end if;
Obj_Dir := Name_Find;
while ALI_Project /= No_Project
and then Obj_Dir /= ALI_Project.Object_Directory.Name
loop
ALI_Project := ALI_Project.Extended_By;
end loop;
end;
if ALI_Project = No_Project then
ALI := No_ALI_Id;
Verbose_Msg (Lib_File, " wrong object directory");
return;
end if;
-- If the ALI project is not extended, then it must be in
-- the correct object directory.
if ALI_Project.Extended_By = No_Project then
return;
end if;
-- Count the extending projects
declare
Num_Ext : Natural;
Proj : Project_Id;
begin
Num_Ext := 0;
Proj := ALI_Project;
loop
Proj := Proj.Extended_By;
exit when Proj = No_Project;
Num_Ext := Num_Ext + 1;
end loop;
-- Make a list of the extending projects
declare
Projects : array (1 .. Num_Ext) of Project_Id;
Dep : Sdep_Record;
OK : Boolean := True;
UID : Unit_Index;
begin
Proj := ALI_Project;
for J in Projects'Range loop
Proj := Proj.Extended_By;
Projects (J) := Proj;
end loop;
-- Now check if any of the dependant sources are in any
-- of these extending projects.
D_Chk :
for D in ALIs.Table (ALI).First_Sdep ..
ALIs.Table (ALI).Last_Sdep
loop
Dep := Sdep.Table (D);
UID := Units_Htable.Get_First (Project_Tree.Units_HT);
Proj := No_Project;
Unit_Loop :
while UID /= null loop
if UID.File_Names (Impl) /= null
and then UID.File_Names (Impl).File = Dep.Sfile
then
Proj := UID.File_Names (Impl).Project;
elsif UID.File_Names (Spec) /= null
and then UID.File_Names (Spec).File = Dep.Sfile
then
Proj := UID.File_Names (Spec).Project;
end if;
-- If a source is in a project, check if it is one
-- in the list.
if Proj /= No_Project then
for J in Projects'Range loop
if Proj = Projects (J) then
OK := False;
exit D_Chk;
end if;
end loop;
exit Unit_Loop;
end if;
UID :=
Units_Htable.Get_Next (Project_Tree.Units_HT);
end loop Unit_Loop;
end loop D_Chk;
-- If one of the dependent sources is in one project of
-- the list, then we must recompile.
if not OK then
ALI := No_ALI_Id;
Verbose_Msg (Lib_File, " wrong object directory");
end if;
end;
end;
end if;
end if;
end if;
end Check;
------------------------
-- Check_For_S_Switch --
------------------------
procedure Check_For_S_Switch is
begin
-- By default, we generate an object file
Output_Is_Object := True;
for Arg in 1 .. Last_Argument loop
if Arguments (Arg).all = "-S" then
Output_Is_Object := False;
elsif Arguments (Arg).all = "-c" then
Output_Is_Object := True;
end if;
end loop;
end Check_For_S_Switch;
--------------------------
-- Check_Linker_Options --
--------------------------
procedure Check_Linker_Options
(E_Stamp : Time_Stamp_Type;
O_File : out File_Name_Type;
O_Stamp : out Time_Stamp_Type)
is
procedure Check_File (File : File_Name_Type);
-- Update O_File and O_Stamp if the given file is younger than E_Stamp
-- and O_Stamp, or if O_File is No_File and File does not exist.
function Get_Library_File (Name : String) return File_Name_Type;
-- Return the full file name including path of a library based
-- on the name specified with the -l linker option, using the
-- Ada object path. Return No_File if no such file can be found.
type Char_Array is array (Natural) of Character;
type Char_Array_Access is access constant Char_Array;
Template : Char_Array_Access;
pragma Import (C, Template, "__gnat_library_template");
----------------
-- Check_File --
----------------
procedure Check_File (File : File_Name_Type) is
Stamp : Time_Stamp_Type;
Name : File_Name_Type := File;
begin
Get_Name_String (Name);
-- Remove any trailing NUL characters
while Name_Len >= Name_Buffer'First
and then Name_Buffer (Name_Len) = NUL
loop
Name_Len := Name_Len - 1;
end loop;
if Name_Len = 0 then
return;
elsif Name_Buffer (1) = '-' then
-- Do not check if File is a switch other than "-l"
if Name_Buffer (2) /= 'l' then
return;
end if;
-- The argument is a library switch, get actual name. It
-- is necessary to make a copy of the relevant part of
-- Name_Buffer as Get_Library_Name uses Name_Buffer as well.
declare
Base_Name : constant String := Name_Buffer (3 .. Name_Len);
begin
Name := Get_Library_File (Base_Name);
end;
if Name = No_File then
return;
end if;
end if;
Stamp := File_Stamp (Name);
-- Find the youngest object file that is younger than the
-- executable. If no such file exist, record the first object
-- file that is not found.
if (O_Stamp < Stamp and then E_Stamp < Stamp)
or else (O_File = No_File and then Stamp (Stamp'First) = ' ')
then
O_Stamp := Stamp;
O_File := Name;
-- Strip the trailing NUL if present
Get_Name_String (O_File);
if Name_Buffer (Name_Len) = NUL then
Name_Len := Name_Len - 1;
O_File := Name_Find;
end if;
end if;
end Check_File;
----------------------
-- Get_Library_Name --
----------------------
-- See comments in a-adaint.c about template syntax
function Get_Library_File (Name : String) return File_Name_Type is
File : File_Name_Type := No_File;
begin
Name_Len := 0;
for Ptr in Template'Range loop
case Template (Ptr) is
when '*' =>
Add_Str_To_Name_Buffer (Name);
when ';' =>
File := Full_Lib_File_Name (Name_Find);
exit when File /= No_File;
Name_Len := 0;
when NUL =>
exit;
when others =>
Add_Char_To_Name_Buffer (Template (Ptr));
end case;
end loop;
-- The for loop exited because the end of the template
-- was reached. File contains the last possible file name
-- for the library.
if File = No_File and then Name_Len > 0 then
File := Full_Lib_File_Name (Name_Find);
end if;
return File;
end Get_Library_File;
-- Start of processing for Check_Linker_Options
begin
O_File := No_File;
O_Stamp := (others => ' ');
-- Process linker options from the ALI files
for Opt in 1 .. Linker_Options.Last loop
Check_File (File_Name_Type (Linker_Options.Table (Opt).Name));
end loop;
-- Process options given on the command line
for Opt in Linker_Switches.First .. Linker_Switches.Last loop
-- Check if the previous Opt has one of the two switches
-- that take an extra parameter. (See GCC manual.)
if Opt = Linker_Switches.First
or else (Linker_Switches.Table (Opt - 1).all /= "-u"
and then
Linker_Switches.Table (Opt - 1).all /= "-Xlinker"
and then
Linker_Switches.Table (Opt - 1).all /= "-L")
then
Name_Len := 0;
Add_Str_To_Name_Buffer (Linker_Switches.Table (Opt).all);
Check_File (Name_Find);
end if;
end loop;
end Check_Linker_Options;
-----------------
-- Check_Steps --
-----------------
procedure Check_Steps is
begin
-- If either -c, -b or -l has been specified, we will not necessarily
-- execute all steps.
if Make_Steps then
Do_Compile_Step := Do_Compile_Step and Compile_Only;
Do_Bind_Step := Do_Bind_Step and Bind_Only;
Do_Link_Step := Do_Link_Step and Link_Only;
-- If -c has been specified, but not -b, ignore any potential -l
if Do_Compile_Step and then not Do_Bind_Step then
Do_Link_Step := False;
end if;
end if;
end Check_Steps;
-----------------------
-- Collect_Arguments --
-----------------------
procedure Collect_Arguments
(Source_File : File_Name_Type;
Is_Main_Source : Boolean;
Args : Argument_List)
is
pragma Unreferenced (Is_Main_Source);
begin
Arguments_Project := No_Project;
Last_Argument := 0;
Add_Arguments (Args);
if Main_Project /= No_Project then
declare
Source_File_Name : constant String :=
Get_Name_String (Source_File);
Compiler_Package : Prj.Package_Id;
Switches : Prj.Variable_Value;
begin
Prj.Env.
Get_Reference
(Source_File_Name => Source_File_Name,
Project => Arguments_Project,
Path => Arguments_Path_Name,
In_Tree => Project_Tree);
-- If the source is not a source of a project file, add the
-- recorded arguments. Check will be done later if the source
-- need to be compiled that the switch -x has been used.
if Arguments_Project = No_Project then
Add_Arguments (The_Saved_Gcc_Switches.all);
elsif not Arguments_Project.Externally_Built or else Must_Compile
then
-- We get the project directory for the relative path
-- switches and arguments.
Arguments_Project :=
Ultimate_Extending_Project_Of (Arguments_Project);
-- If building a dynamic or relocatable library, compile with
-- PIC option, if it exists.
if Arguments_Project.Library
and then Arguments_Project.Library_Kind /= Static
then
declare
PIC : constant String := MLib.Tgt.PIC_Option;
begin
if PIC /= "" then
Add_Arguments ((1 => new String'(PIC)));
end if;
end;
end if;
-- We now look for package Compiler and get the switches from
-- this package.
Compiler_Package :=
Prj.Util.Value_Of
(Name => Name_Compiler,
In_Packages => Arguments_Project.Decl.Packages,
Shared => Project_Tree.Shared);
if Compiler_Package /= No_Package then
-- If package Gnatmake.Compiler exists, we get the specific
-- switches for the current source, or the global switches,
-- if any.
Switches :=
Switches_Of
(Source_File => Source_File,
Project => Arguments_Project,
In_Package => Compiler_Package,
Allow_ALI => False);
end if;
case Switches.Kind is
-- We have a list of switches. We add these switches,
-- plus the saved gcc switches.
when List =>
declare
Current : String_List_Id := Switches.Values;
Element : String_Element;
Number : Natural := 0;
begin
while Current /= Nil_String loop
Element := Project_Tree.Shared.String_Elements.
Table (Current);
Number := Number + 1;
Current := Element.Next;
end loop;
declare
New_Args : Argument_List (1 .. Number);
Last_New : Natural := 0;
Dir_Path : constant String := Get_Name_String
(Arguments_Project.Directory.Display_Name);
begin
Current := Switches.Values;
for Index in New_Args'Range loop
Element := Project_Tree.Shared.String_Elements.
Table (Current);
Get_Name_String (Element.Value);
if Name_Len > 0 then
Last_New := Last_New + 1;
New_Args (Last_New) :=
new String'(Name_Buffer (1 .. Name_Len));
Ensure_Absolute_Path
(New_Args (Last_New),
Do_Fail => Make_Failed'Access,
Parent => Dir_Path,
Including_Non_Switch => False);
end if;
Current := Element.Next;
end loop;
Add_Arguments
(Configuration_Pragmas_Switch (Arguments_Project)
& New_Args (1 .. Last_New)
& The_Saved_Gcc_Switches.all);
end;
end;
-- We have a single switch. We add this switch,
-- plus the saved gcc switches.
when Single =>
Get_Name_String (Switches.Value);
declare
New_Args : Argument_List :=
(1 => new String'
(Name_Buffer (1 .. Name_Len)));
Dir_Path : constant String :=
Get_Name_String
(Arguments_Project.
Directory.Display_Name);
begin
Ensure_Absolute_Path
(New_Args (1),
Do_Fail => Make_Failed'Access,
Parent => Dir_Path,
Including_Non_Switch => False);
Add_Arguments
(Configuration_Pragmas_Switch (Arguments_Project) &
New_Args & The_Saved_Gcc_Switches.all);
end;
-- We have no switches from Gnatmake.Compiler.
-- We add the saved gcc switches.
when Undefined =>
Add_Arguments
(Configuration_Pragmas_Switch (Arguments_Project) &
The_Saved_Gcc_Switches.all);
end case;
end if;
end;
end if;
-- Set Output_Is_Object, depending if there is a -S switch.
-- If the bind step is not performed, and there is a -S switch,
-- then we will not check for a valid object file.
Check_For_S_Switch;
end Collect_Arguments;
---------------------
-- Compile_Sources --
---------------------
procedure Compile_Sources
(Main_Source : File_Name_Type;
Args : Argument_List;
First_Compiled_File : out File_Name_Type;
Most_Recent_Obj_File : out File_Name_Type;
Most_Recent_Obj_Stamp : out Time_Stamp_Type;
Main_Unit : out Boolean;
Compilation_Failures : out Natural;
Main_Index : Int := 0;
Check_Readonly_Files : Boolean := False;
Do_Not_Execute : Boolean := False;
Force_Compilations : Boolean := False;
Keep_Going : Boolean := False;
In_Place_Mode : Boolean := False;
Initialize_ALI_Data : Boolean := True;
Max_Process : Positive := 1)
is
Mfile : Natural := No_Mapping_File;
Mapping_File_Arg : String_Access;
-- Info on the mapping file
Need_To_Check_Standard_Library : Boolean :=
(Check_Readonly_Files or Must_Compile)
and not Unique_Compile;
procedure Add_Process
(Pid : Process_Id;
Sfile : File_Name_Type;
Afile : File_Name_Type;
Uname : Unit_Name_Type;
Full_Lib_File : File_Name_Type;
Lib_File_Attr : File_Attributes;
Mfile : Natural := No_Mapping_File);
-- Adds process Pid to the current list of outstanding compilation
-- processes and record the full name of the source file Sfile that
-- we are compiling, the name of its library file Afile and the
-- name of its unit Uname. If Mfile is not equal to No_Mapping_File,
-- it is the index of the mapping file used during compilation in the
-- array The_Mapping_File_Names.
procedure Await_Compile
(Data : out Compilation_Data;
OK : out Boolean);
-- Awaits that an outstanding compilation process terminates. When it
-- does set Data to the information registered for the corresponding
-- call to Add_Process. Note that this time stamp can be used to check
-- whether the compilation did generate an object file. OK is set to
-- True if the compilation succeeded. Data could be No_Compilation_Data
-- if there was no compilation to wait for.
function Bad_Compilation_Count return Natural;
-- Returns the number of compilation failures
procedure Check_Standard_Library;
-- Check if s-stalib.adb needs to be compiled
procedure Collect_Arguments_And_Compile
(Full_Source_File : File_Name_Type;
Lib_File : File_Name_Type;
Source_Index : Int;
Pid : out Process_Id;
Process_Created : out Boolean);
-- Collect arguments from project file (if any) and compile. If no
-- compilation was attempted, Processed_Created is set to False, and the
-- value of Pid is unknown.
function Compile
(Project : Project_Id;
S : File_Name_Type;
L : File_Name_Type;
Source_Index : Int;
Args : Argument_List) return Process_Id;
-- Compiles S using Args. If S is a GNAT predefined source "-gnatpg" is
-- added to Args. Non blocking call. L corresponds to the expected
-- library file name. Process_Id of the process spawned to execute the
-- compilation.
type ALI_Project is record
ALI : ALI_Id;
Project : Project_Id;
end record;
package Good_ALI is new Table.Table (
Table_Component_Type => ALI_Project,
Table_Index_Type => Natural,
Table_Low_Bound => 1,
Table_Initial => 50,
Table_Increment => 100,
Table_Name => "Make.Good_ALI");
-- Contains the set of valid ALI files that have not yet been scanned
function Good_ALI_Present return Boolean;
-- Returns True if any ALI file was recorded in the previous set
procedure Get_Mapping_File (Project : Project_Id);
-- Get a mapping file name. If there is one to be reused, reuse it.
-- Otherwise, create a new mapping file.
function Get_Next_Good_ALI return ALI_Project;
-- Returns the next good ALI_Id record
procedure Record_Failure
(File : File_Name_Type;
Unit : Unit_Name_Type;
Found : Boolean := True);
-- Records in the previous table that the compilation for File failed.
-- If Found is False then the compilation of File failed because we
-- could not find it. Records also Unit when possible.
procedure Record_Good_ALI (A : ALI_Id; Project : Project_Id);
-- Records in the previous set the Id of an ALI file
function Must_Exit_Because_Of_Error return Boolean;
-- Return True if there were errors and the user decided to exit in such
-- a case. This waits for any outstanding compilation.
function Start_Compile_If_Possible (Args : Argument_List) return Boolean;
-- Check if there is more work that we can do (i.e. the Queue is non
-- empty). If there is, do it only if we have not yet used up all the
-- available processes.
-- Returns True if we should exit the main loop
procedure Wait_For_Available_Slot;
-- Check if we should wait for a compilation to finish. This is the case
-- if all the available processes are busy compiling sources or there is
-- nothing else to do (that is the Q is empty and there are no good ALIs
-- to process).
procedure Fill_Queue_From_ALI_Files;
-- Check if we recorded good ALI files. If yes process them now in the
-- order in which they have been recorded. There are two occasions in
-- which we record good ali files. The first is in phase 1 when, after
-- scanning an existing ALI file we realize it is up-to-date, the second
-- instance is after a successful compilation.
-----------------
-- Add_Process --
-----------------
procedure Add_Process
(Pid : Process_Id;
Sfile : File_Name_Type;
Afile : File_Name_Type;
Uname : Unit_Name_Type;
Full_Lib_File : File_Name_Type;
Lib_File_Attr : File_Attributes;
Mfile : Natural := No_Mapping_File)
is
OC1 : constant Positive := Outstanding_Compiles + 1;
begin
pragma Assert (OC1 <= Max_Process);
pragma Assert (Pid /= Invalid_Pid);
Running_Compile (OC1) :=
(Pid => Pid,
Full_Source_File => Sfile,
Lib_File => Afile,
Full_Lib_File => Full_Lib_File,
Lib_File_Attr => Lib_File_Attr,
Source_Unit => Uname,
Mapping_File => Mfile,
Project => Arguments_Project);
Outstanding_Compiles := OC1;
if Arguments_Project /= No_Project then
Queue.Set_Obj_Dir_Busy (Arguments_Project.Object_Directory.Name);
end if;
end Add_Process;
--------------------
-- Await_Compile --
-------------------
procedure Await_Compile
(Data : out Compilation_Data;
OK : out Boolean)
is
Pid : Process_Id;
Project : Project_Id;
Comp_Data : Project_Compilation_Access;
begin
pragma Assert (Outstanding_Compiles > 0);
Data := No_Compilation_Data;
OK := False;
Wait_Process (Pid, OK);
if Pid = Invalid_Pid then
return;
end if;
-- Look into the running compilation processes for this PID
for J in Running_Compile'First .. Outstanding_Compiles loop
if Pid = Running_Compile (J).Pid then
Data := Running_Compile (J);
Project := Running_Compile (J).Project;
if Project /= No_Project then
Queue.Set_Obj_Dir_Free (Project.Object_Directory.Name);
end if;
-- If a mapping file was used by this compilation, get its file
-- name for reuse by a subsequent compilation.
if Running_Compile (J).Mapping_File /= No_Mapping_File then
Comp_Data :=
Project_Compilation_Htable.Get
(Project_Compilation, Project);
Comp_Data.Last_Free_Indexes :=
Comp_Data.Last_Free_Indexes + 1;
Comp_Data.Free_Mapping_File_Indexes
(Comp_Data.Last_Free_Indexes) :=
Running_Compile (J).Mapping_File;
end if;
-- To actually remove this Pid and related info from
-- Running_Compile replace its entry with the last valid
-- entry in Running_Compile.
if J = Outstanding_Compiles then
null;
else
Running_Compile (J) :=
Running_Compile (Outstanding_Compiles);
end if;
Outstanding_Compiles := Outstanding_Compiles - 1;
exit;
end if;
end loop;
-- If the PID was not found, return with OK set to False
if Data = No_Compilation_Data then
OK := False;
end if;
end Await_Compile;
---------------------------
-- Bad_Compilation_Count --
---------------------------
function Bad_Compilation_Count return Natural is
begin
return Bad_Compilation.Last - Bad_Compilation.First + 1;
end Bad_Compilation_Count;
----------------------------
-- Check_Standard_Library --
----------------------------
procedure Check_Standard_Library is
begin
Need_To_Check_Standard_Library := False;
if not Targparm.Suppress_Standard_Library_On_Target then
declare
Sfile : File_Name_Type;
Add_It : Boolean := True;
begin
Name_Len := 0;
Add_Str_To_Name_Buffer (Standard_Library_Package_Body_Name);
Sfile := Name_Enter;
-- If we have a special runtime, we add the standard
-- library only if we can find it.
if RTS_Switch then
Add_It := Full_Source_Name (Sfile) /= No_File;
end if;
if Add_It then
if not Queue.Insert
((Format => Format_Gnatmake,
File => Sfile,
Unit => No_Unit_Name,
Project => No_Project,
Index => 0,
Sid => No_Source))
then
if Is_In_Obsoleted (Sfile) then
Executable_Obsolete := True;
end if;
end if;
end if;
end;
end if;
end Check_Standard_Library;
-----------------------------------
-- Collect_Arguments_And_Compile --
-----------------------------------
procedure Collect_Arguments_And_Compile
(Full_Source_File : File_Name_Type;
Lib_File : File_Name_Type;
Source_Index : Int;
Pid : out Process_Id;
Process_Created : out Boolean) is
begin
Process_Created := False;
-- If we use mapping file (-P or -C switches), then get one
if Create_Mapping_File then
Get_Mapping_File (Arguments_Project);
end if;
-- If the source is part of a project file, we set the ADA_*_PATHs,
-- check for an eventual library project, and use the full path.
if Arguments_Project /= No_Project then
if not Arguments_Project.Externally_Built
or else Must_Compile
then
Prj.Env.Set_Ada_Paths
(Arguments_Project,
Project_Tree,
Including_Libraries => True,
Include_Path => Use_Include_Path_File);
if not Unique_Compile
and then MLib.Tgt.Support_For_Libraries /= Prj.None
then
declare
Prj : constant Project_Id :=
Ultimate_Extending_Project_Of (Arguments_Project);
begin
if Prj.Library
and then (not Prj.Externally_Built or else Must_Compile)
and then not Prj.Need_To_Build_Lib
then
-- Add to the Q all sources of the project that have
-- not been marked.
Insert_Project_Sources
(The_Project => Prj,
All_Projects => False,
Into_Q => True);
-- Now mark the project as processed
Prj.Need_To_Build_Lib := True;
end if;
end;
end if;
Pid :=
Compile
(Project => Arguments_Project,
S => File_Name_Type (Arguments_Path_Name),
L => Lib_File,
Source_Index => Source_Index,
Args => Arguments (1 .. Last_Argument));
Process_Created := True;
end if;
else
-- If this is a source outside of any project file, make sure it
-- will be compiled in object directory of the main project file.
Pid :=
Compile
(Project => Main_Project,
S => Full_Source_File,
L => Lib_File,
Source_Index => Source_Index,
Args => Arguments (1 .. Last_Argument));
Process_Created := True;
end if;
end Collect_Arguments_And_Compile;
-------------
-- Compile --
-------------
function Compile
(Project : Project_Id;
S : File_Name_Type;
L : File_Name_Type;
Source_Index : Int;
Args : Argument_List) return Process_Id
is
Comp_Args : Argument_List (Args'First .. Args'Last + 10);
Comp_Next : Integer := Args'First;
Comp_Last : Integer;
Arg_Index : Integer;
function Ada_File_Name (Name : File_Name_Type) return Boolean;
-- Returns True if Name is the name of an ada source file
-- (i.e. suffix is .ads or .adb)
-------------------
-- Ada_File_Name --
-------------------
function Ada_File_Name (Name : File_Name_Type) return Boolean is
begin
Get_Name_String (Name);
return
Name_Len > 4
and then Name_Buffer (Name_Len - 3 .. Name_Len - 1) = ".ad"
and then (Name_Buffer (Name_Len) = 'b'
or else
Name_Buffer (Name_Len) = 's');
end Ada_File_Name;
-- Start of processing for Compile
begin
Enter_Into_Obsoleted (S);
-- By default, Syntax_Only is False
Syntax_Only := False;
for J in Args'Range loop
if Args (J).all = "-gnats" then
-- If we compile with -gnats, the bind step and the link step
-- are inhibited. Also, we set Syntax_Only to True, so that
-- we don't fail when we don't find the ALI file, after
-- compilation.
Do_Bind_Step := False;
Do_Link_Step := False;
Syntax_Only := True;
elsif Args (J).all = "-gnatc" then
-- If we compile with -gnatc, the bind step and the link step
-- are inhibited. We set Syntax_Only to False for the case when
-- -gnats was previously specified.
Do_Bind_Step := False;
Do_Link_Step := False;
Syntax_Only := False;
end if;
end loop;
Comp_Args (Comp_Next) := new String'("-gnatea");
Comp_Next := Comp_Next + 1;
Comp_Args (Comp_Next) := Comp_Flag;
Comp_Next := Comp_Next + 1;
-- Optimize the simple case where the gcc command line looks like
-- gcc -c -I. ... -I- file.adb
-- into
-- gcc -c ... file.adb
if Args (Args'First).all = "-I" & Normalized_CWD
and then Args (Args'Last).all = "-I-"
and then S = Strip_Directory (S)
then
Comp_Last := Comp_Next + Args'Length - 3;
Arg_Index := Args'First + 1;
else
Comp_Last := Comp_Next + Args'Length - 1;
Arg_Index := Args'First;
end if;
-- Make a deep copy of the arguments, because Normalize_Arguments
-- may deallocate some arguments. Also strip target specific -mxxx
-- switches in CodePeer mode.
declare
Index : Natural;
Last : constant Natural := Comp_Last;
begin
Index := Comp_Next;
for J in Comp_Next .. Last loop
declare
Str : String renames Args (Arg_Index).all;
begin
if CodePeer_Mode
and then Str'Length > 2
and then Str (Str'First .. Str'First + 1) = "-m"
then
Comp_Last := Comp_Last - 1;
else
Comp_Args (Index) := new String'(Str);
Index := Index + 1;
end if;
end;
Arg_Index := Arg_Index + 1;
end loop;
end;
-- Set -gnatpg for predefined files (for this purpose the renamings
-- such as Text_IO do not count as predefined). Note that we strip
-- the directory name from the source file name because the call to
-- Fname.Is_Predefined_File_Name cannot deal with directory prefixes.
declare
Fname : constant File_Name_Type := Strip_Directory (S);
begin
if Is_Predefined_File_Name (Fname, False) then
if Check_Readonly_Files or else Must_Compile then
Comp_Args (Comp_Args'First + 2 .. Comp_Last + 1) :=
Comp_Args (Comp_Args'First + 1 .. Comp_Last);
Comp_Last := Comp_Last + 1;
Comp_Args (Comp_Args'First + 1) := GNAT_Flag;
else
Make_Failed
("not allowed to compile """ &
Get_Name_String (Fname) &
"""; use -a switch, or use the compiler directly with "
& "the ""-gnatg"" switch");
end if;
end if;
end;
-- Now check if the file name has one of the suffixes familiar to
-- the gcc driver. If this is not the case then add the ada flag
-- "-x ada".
-- Append systematically "-x adascil" in CodePeer mode instead, to
-- force the use of gnat1scil instead of gnat1.
if CodePeer_Mode then
Comp_Last := Comp_Last + 1;
Comp_Args (Comp_Last) := Ada_Flag_1;
Comp_Last := Comp_Last + 1;
Comp_Args (Comp_Last) := AdaSCIL_Flag;
elsif not Ada_File_Name (S) then
Comp_Last := Comp_Last + 1;
Comp_Args (Comp_Last) := Ada_Flag_1;
Comp_Last := Comp_Last + 1;
Comp_Args (Comp_Last) := Ada_Flag_2;
end if;
if Source_Index /= 0 then
declare
Num : constant String := Source_Index'Img;
begin
Comp_Last := Comp_Last + 1;
Comp_Args (Comp_Last) :=
new String'("-gnateI" & Num (Num'First + 1 .. Num'Last));
end;
end if;
if Source_Index /= 0
or else L /= Strip_Directory (L)
or else Object_Directory_Path /= null
then
-- Build -o argument
Get_Name_String (L);
for J in reverse 1 .. Name_Len loop
if Name_Buffer (J) = '.' then
Name_Len := J + Object_Suffix'Length - 1;
Name_Buffer (J .. Name_Len) := Object_Suffix;
exit;
end if;
end loop;
Comp_Last := Comp_Last + 1;
Comp_Args (Comp_Last) := Output_Flag;
Comp_Last := Comp_Last + 1;
-- If an object directory was specified, prepend the object file
-- name with this object directory.
if Object_Directory_Path /= null then
Comp_Args (Comp_Last) :=
new String'(Object_Directory_Path.all &
Name_Buffer (1 .. Name_Len));
else
Comp_Args (Comp_Last) :=
new String'(Name_Buffer (1 .. Name_Len));
end if;
end if;
if Create_Mapping_File and then Mapping_File_Arg /= null then
Comp_Last := Comp_Last + 1;
Comp_Args (Comp_Last) := new String'(Mapping_File_Arg.all);
end if;
Get_Name_String (S);
Comp_Last := Comp_Last + 1;
Comp_Args (Comp_Last) := new String'(Name_Buffer (1 .. Name_Len));
-- Change to object directory of the project file, if necessary
if Project /= No_Project then
Change_To_Object_Directory (Project);
end if;
GNAT.OS_Lib.Normalize_Arguments (Comp_Args (Args'First .. Comp_Last));
Comp_Last := Comp_Last + 1;
Comp_Args (Comp_Last) := new String'("-gnatez");
Display (Gcc.all, Comp_Args (Args'First .. Comp_Last));
if Gcc_Path = null then
Make_Failed ("error, unable to locate " & Gcc.all);
end if;
return
GNAT.OS_Lib.Non_Blocking_Spawn
(Gcc_Path.all, Comp_Args (Args'First .. Comp_Last));
end Compile;
-------------------------------
-- Fill_Queue_From_ALI_Files --
-------------------------------
procedure Fill_Queue_From_ALI_Files is
ALI_P : ALI_Project;
ALI : ALI_Id;
Source_Index : Int;
Sfile : File_Name_Type;
Sid : Prj.Source_Id;
Uname : Unit_Name_Type;
Unit_Name : Name_Id;
Uid : Prj.Unit_Index;
begin
while Good_ALI_Present loop
ALI_P := Get_Next_Good_ALI;
ALI := ALI_P.ALI;
Source_Index := Unit_Index_Of (ALIs.Table (ALI_P.ALI).Afile);
-- If we are processing the library file corresponding to the
-- main source file check if this source can be a main unit.
if ALIs.Table (ALI).Sfile = Main_Source
and then Source_Index = Main_Index
then
Main_Unit := ALIs.Table (ALI).Main_Program /= None;
end if;
-- The following adds the standard library (s-stalib) to the list
-- of files to be handled by gnatmake: this file and any files it
-- depends on are always included in every bind, even if they are
-- not in the explicit dependency list. Of course, it is not added
-- if Suppress_Standard_Library is True.
-- However, to avoid annoying output about s-stalib.ali being read
-- only, when "-v" is used, we add the standard library only when
-- "-a" is used.
if Need_To_Check_Standard_Library then
Check_Standard_Library;
end if;
-- Now insert in the Q the unmarked source files (i.e. those which
-- have never been inserted in the Q and hence never considered).
-- Only do that if Unique_Compile is False.
if not Unique_Compile then
for J in
ALIs.Table (ALI).First_Unit .. ALIs.Table (ALI).Last_Unit
loop
for K in
Units.Table (J).First_With .. Units.Table (J).Last_With
loop
Sfile := Withs.Table (K).Sfile;
Uname := Withs.Table (K).Uname;
Sid := No_Source;
-- If project files are used, find the proper source to
-- compile in case Sfile is the spec but there is a body.
if Main_Project /= No_Project then
Get_Name_String (Uname);
Name_Len := Name_Len - 2;
Unit_Name := Name_Find;
Uid :=
Units_Htable.Get (Project_Tree.Units_HT, Unit_Name);
if Uid /= Prj.No_Unit_Index then
if Uid.File_Names (Impl) /= null
and then not Uid.File_Names (Impl).Locally_Removed
then
Sfile := Uid.File_Names (Impl).File;
Source_Index := Uid.File_Names (Impl).Index;
Sid := Uid.File_Names (Impl);
elsif Uid.File_Names (Spec) /= null
and then not Uid.File_Names (Spec).Locally_Removed
then
Sfile := Uid.File_Names (Spec).File;
Source_Index := Uid.File_Names (Spec).Index;
Sid := Uid.File_Names (Spec);
end if;
end if;
end if;
Dependencies.Append ((ALIs.Table (ALI).Sfile, Sfile));
if Is_In_Obsoleted (Sfile) then
Executable_Obsolete := True;
end if;
if Sfile = No_File then
Debug_Msg ("Skipping generic:", Withs.Table (K).Uname);
else
Source_Index := Unit_Index_Of (Withs.Table (K).Afile);
if not (Check_Readonly_Files or Must_Compile)
and then Is_Internal_File_Name (Sfile, False)
then
Debug_Msg ("Skipping internal file:", Sfile);
else
Queue.Insert
((Format => Format_Gnatmake,
File => Sfile,
Project => ALI_P.Project,
Unit => Withs.Table (K).Uname,
Index => Source_Index,
Sid => Sid));
end if;
end if;
end loop;
end loop;
end if;
end loop;
end Fill_Queue_From_ALI_Files;
----------------------
-- Get_Mapping_File --
----------------------
procedure Get_Mapping_File (Project : Project_Id) is
Data : Project_Compilation_Access;
begin
Data := Project_Compilation_Htable.Get (Project_Compilation, Project);
-- If there is a mapping file ready to be reused, reuse it
if Data.Last_Free_Indexes > 0 then
Mfile := Data.Free_Mapping_File_Indexes (Data.Last_Free_Indexes);
Data.Last_Free_Indexes := Data.Last_Free_Indexes - 1;
-- Otherwise, create and initialize a new one
else
Init_Mapping_File
(Project => Project, Data => Data.all, File_Index => Mfile);
end if;
-- Put the name in the mapping file argument for the invocation
-- of the compiler.
Free (Mapping_File_Arg);
Mapping_File_Arg :=
new String'("-gnatem=" &
Get_Name_String (Data.Mapping_File_Names (Mfile)));
end Get_Mapping_File;
-----------------------
-- Get_Next_Good_ALI --
-----------------------
function Get_Next_Good_ALI return ALI_Project is
ALIP : ALI_Project;
begin
pragma Assert (Good_ALI_Present);
ALIP := Good_ALI.Table (Good_ALI.Last);
Good_ALI.Decrement_Last;
return ALIP;
end Get_Next_Good_ALI;
----------------------
-- Good_ALI_Present --
----------------------
function Good_ALI_Present return Boolean is
begin
return Good_ALI.First <= Good_ALI.Last;
end Good_ALI_Present;
--------------------------------
-- Must_Exit_Because_Of_Error --
--------------------------------
function Must_Exit_Because_Of_Error return Boolean is
Data : Compilation_Data;
Success : Boolean;
begin
if Bad_Compilation_Count > 0 and then not Keep_Going then
while Outstanding_Compiles > 0 loop
Await_Compile (Data, Success);
if not Success then
Record_Failure (Data.Full_Source_File, Data.Source_Unit);
end if;
end loop;
return True;
end if;
return False;
end Must_Exit_Because_Of_Error;
--------------------
-- Record_Failure --
--------------------
procedure Record_Failure
(File : File_Name_Type;
Unit : Unit_Name_Type;
Found : Boolean := True)
is
begin
Bad_Compilation.Increment_Last;
Bad_Compilation.Table (Bad_Compilation.Last) := (File, Unit, Found);
end Record_Failure;
---------------------
-- Record_Good_ALI --
---------------------
procedure Record_Good_ALI (A : ALI_Id; Project : Project_Id) is
begin
Good_ALI.Increment_Last;
Good_ALI.Table (Good_ALI.Last) := (A, Project);
end Record_Good_ALI;
-------------------------------
-- Start_Compile_If_Possible --
-------------------------------
function Start_Compile_If_Possible
(Args : Argument_List) return Boolean
is
In_Lib_Dir : Boolean;
Need_To_Compile : Boolean;
Pid : Process_Id := Invalid_Pid;
Process_Created : Boolean;
Source : Queue.Source_Info;
Full_Source_File : File_Name_Type := No_File;
Source_File_Attr : aliased File_Attributes;
-- The full name of the source file and its attributes (size, ...)
Lib_File : File_Name_Type;
Full_Lib_File : File_Name_Type := No_File;
Lib_File_Attr : aliased File_Attributes;
Read_Only : Boolean := False;
ALI : ALI_Id;
-- The ALI file and its attributes (size, stamp, ...)
Obj_File : File_Name_Type;
Obj_Stamp : Time_Stamp_Type;
-- The object file
Found : Boolean;
begin
if not Queue.Is_Virtually_Empty and then
Outstanding_Compiles < Max_Process
then
Queue.Extract (Found, Source);
-- If it is a source in a project, first look for the ALI file
-- in the object directory. When the project is extending another
-- the ALI file may not be found, but the source does not
-- necessarily need to be compiled, as it may already be up to
-- date in the project being extended. In this case, look for an
-- ALI file in all the object directories, as is done when
-- gnatmake is not invoked with a project file.
if Source.Sid /= No_Source then
Initialize_Source_Record (Source.Sid);
Full_Source_File :=
File_Name_Type (Source.Sid.Path.Display_Name);
Lib_File := Source.Sid.Dep_Name;
Full_Lib_File := File_Name_Type (Source.Sid.Dep_Path);
Lib_File_Attr := Unknown_Attributes;
if Full_Lib_File /= No_File then
declare
FLF : constant String :=
Get_Name_String (Full_Lib_File) & ASCII.NUL;
begin
if not Is_Regular_File
(FLF'Address, Lib_File_Attr'Access)
then
Full_Lib_File := No_File;
end if;
end;
end if;
end if;
if Full_Lib_File = No_File then
Osint.Full_Source_Name
(Source.File,
Full_File => Full_Source_File,
Attr => Source_File_Attr'Access);
Lib_File := Osint.Lib_File_Name (Source.File, Source.Index);
Osint.Full_Lib_File_Name
(Lib_File,
Lib_File => Full_Lib_File,
Attr => Lib_File_Attr);
end if;
-- If source has already been compiled, executable is obsolete
if Is_In_Obsoleted (Source.File) then
Executable_Obsolete := True;
end if;
In_Lib_Dir := Full_Lib_File /= No_File
and then In_Ada_Lib_Dir (Full_Lib_File);
-- Since the following requires a system call, we precompute it
-- when needed.
if not In_Lib_Dir then
if Full_Lib_File /= No_File
and then not (Check_Readonly_Files or else Must_Compile)
then
Get_Name_String (Full_Lib_File);
Name_Buffer (Name_Len + 1) := ASCII.NUL;
Read_Only := not Is_Writable_File
(Name_Buffer'Address, Lib_File_Attr'Access);
else
Read_Only := False;
end if;
end if;
-- If the library file is an Ada library skip it
if In_Lib_Dir then
Verbose_Msg
(Lib_File,
"is in an Ada library",
Prefix => " ",
Minimum_Verbosity => Opt.High);
-- If the library file is a read-only library skip it, but only
-- if, when using project files, this library file is in the
-- right object directory (a read-only ALI file in the object
-- directory of a project being extended must not be skipped).
elsif Read_Only
and then Is_In_Object_Directory (Source.File, Full_Lib_File)
then
Verbose_Msg
(Lib_File,
"is a read-only library",
Prefix => " ",
Minimum_Verbosity => Opt.High);
-- The source file that we are checking cannot be located
elsif Full_Source_File = No_File then
Record_Failure (Source.File, Source.Unit, False);
-- Source and library files can be located but are internal
-- files.
elsif not (Check_Readonly_Files or else Must_Compile)
and then Full_Lib_File /= No_File
and then Is_Internal_File_Name (Source.File, False)
then
if Force_Compilations then
Fail
("not allowed to compile """ &
Get_Name_String (Source.File) &
"""; use -a switch, or use the compiler directly with "
& "the ""-gnatg"" switch");
end if;
Verbose_Msg
(Lib_File,
"is an internal library",
Prefix => " ",
Minimum_Verbosity => Opt.High);
-- The source file that we are checking can be located
else
Collect_Arguments
(Source.File, Source.File = Main_Source, Args);
-- Do nothing if project of source is externally built
if Arguments_Project = No_Project
or else not Arguments_Project.Externally_Built
or else Must_Compile
then
-- Don't waste any time if we have to recompile anyway
Obj_Stamp := Empty_Time_Stamp;
Need_To_Compile := Force_Compilations;
if not Force_Compilations then
Check (Source_File => Source.File,
Is_Main_Source => Source.File = Main_Source,
The_Args => Args,
Lib_File => Lib_File,
Full_Lib_File => Full_Lib_File,
Lib_File_Attr => Lib_File_Attr'Access,
Read_Only => Read_Only,
ALI => ALI,
O_File => Obj_File,
O_Stamp => Obj_Stamp);
Need_To_Compile := (ALI = No_ALI_Id);
end if;
if not Need_To_Compile then
-- The ALI file is up-to-date; record its Id
Record_Good_ALI (ALI, Arguments_Project);
-- Record the time stamp of the most recent object
-- file as long as no (re)compilations are needed.
if First_Compiled_File = No_File
and then (Most_Recent_Obj_File = No_File
or else Obj_Stamp > Most_Recent_Obj_Stamp)
then
Most_Recent_Obj_File := Obj_File;
Most_Recent_Obj_Stamp := Obj_Stamp;
end if;
else
-- Check that switch -x has been used if a source outside
-- of project files need to be compiled.
if Main_Project /= No_Project
and then Arguments_Project = No_Project
and then not External_Unit_Compilation_Allowed
then
Make_Failed ("external source ("
& Get_Name_String (Source.File)
& ") is not part of any project;"
& " cannot be compiled without"
& " gnatmake switch -x");
end if;
-- Is this the first file we have to compile?
if First_Compiled_File = No_File then
First_Compiled_File := Full_Source_File;
Most_Recent_Obj_File := No_File;
if Do_Not_Execute then
-- Exit the main loop
return True;
end if;
end if;
-- Compute where the ALI file must be generated in
-- In_Place_Mode (this does not require to know the
-- location of the object directory).
if In_Place_Mode then
if Full_Lib_File = No_File then
-- If the library file was not found, then save
-- the library file near the source file.
Lib_File :=
Osint.Lib_File_Name
(Full_Source_File, Source.Index);
Full_Lib_File := Lib_File;
else
-- If the library file was found, then save the
-- library file in the same place.
Lib_File := Full_Lib_File;
end if;
end if;
-- Start the compilation and record it. We can do this
-- because there is at least one free process. This might
-- change the current directory.
Collect_Arguments_And_Compile
(Full_Source_File => Full_Source_File,
Lib_File => Lib_File,
Source_Index => Source.Index,
Pid => Pid,
Process_Created => Process_Created);
-- Compute where the ALI file will be generated (for
-- cases that might require to know the current
-- directory). The current directory might be changed
-- when compiling other files so we cannot rely on it
-- being the same to find the resulting ALI file.
if not In_Place_Mode then
-- Compute the expected location of the ALI file. This
-- can be from several places:
-- -i => in place mode. In such a case,
-- Full_Lib_File has already been set above
-- -D => if specified
-- or defaults in current dir
-- We could simply use a call similar to
-- Osint.Full_Lib_File_Name (Lib_File)
-- but that involves system calls and is thus slower
if Object_Directory_Path /= null then
Name_Len := 0;
Add_Str_To_Name_Buffer (Object_Directory_Path.all);
Add_Str_To_Name_Buffer (Get_Name_String (Lib_File));
Full_Lib_File := Name_Find;
else
if Project_Of_Current_Object_Directory /=
No_Project
then
Get_Name_String
(Project_Of_Current_Object_Directory
.Object_Directory.Display_Name);
Add_Str_To_Name_Buffer
(Get_Name_String (Lib_File));
Full_Lib_File := Name_Find;
else
Full_Lib_File := Lib_File;
end if;
end if;
end if;
Lib_File_Attr := Unknown_Attributes;
-- Make sure we could successfully start the compilation
if Process_Created then
if Pid = Invalid_Pid then
Record_Failure (Full_Source_File, Source.Unit);
else
Add_Process
(Pid => Pid,
Sfile => Full_Source_File,
Afile => Lib_File,
Uname => Source.Unit,
Mfile => Mfile,
Full_Lib_File => Full_Lib_File,
Lib_File_Attr => Lib_File_Attr);
end if;
end if;
end if;
end if;
end if;
end if;
return False;
end Start_Compile_If_Possible;
-----------------------------
-- Wait_For_Available_Slot --
-----------------------------
procedure Wait_For_Available_Slot is
Compilation_OK : Boolean;
Text : Text_Buffer_Ptr;
ALI : ALI_Id;
Data : Compilation_Data;
begin
if Outstanding_Compiles = Max_Process
or else (Queue.Is_Virtually_Empty
and then not Good_ALI_Present
and then Outstanding_Compiles > 0)
then
Await_Compile (Data, Compilation_OK);
if not Compilation_OK then
Record_Failure (Data.Full_Source_File, Data.Source_Unit);
end if;
if Compilation_OK or else Keep_Going then
-- Re-read the updated library file
declare
Saved_Object_Consistency : constant Boolean :=
Check_Object_Consistency;
begin
-- If compilation was not OK, or if output is not an object
-- file and we don't do the bind step, don't check for
-- object consistency.
Check_Object_Consistency :=
Check_Object_Consistency
and Compilation_OK
and (Output_Is_Object or Do_Bind_Step);
Text :=
Read_Library_Info_From_Full
(Data.Full_Lib_File, Data.Lib_File_Attr'Access);
-- Restore Check_Object_Consistency to its initial value
Check_Object_Consistency := Saved_Object_Consistency;
end;
-- If an ALI file was generated by this compilation, scan the
-- ALI file and record it.
-- If the scan fails, a previous ali file is inconsistent with
-- the unit just compiled.
if Text /= null then
ALI :=
Scan_ALI
(Data.Lib_File, Text, Ignore_ED => False, Err => True);
if ALI = No_ALI_Id then
-- Record a failure only if not already done
if Compilation_OK then
Inform
(Data.Lib_File,
"incompatible ALI file, please recompile");
Record_Failure
(Data.Full_Source_File, Data.Source_Unit);
end if;
else
Record_Good_ALI (ALI, Data.Project);
end if;
Free (Text);
-- If we could not read the ALI file that was just generated
-- then there could be a problem reading either the ALI or the
-- corresponding object file (if Check_Object_Consistency is
-- set Read_Library_Info checks that the time stamp of the
-- object file is more recent than that of the ALI). However,
-- we record a failure only if not already done.
else
if Compilation_OK and not Syntax_Only then
Inform
(Data.Lib_File,
"WARNING: ALI or object file not found after compile");
if not Is_Regular_File
(Get_Name_String (Name_Id (Data.Full_Lib_File)))
then
Inform (Data.Full_Lib_File, "not found");
end if;
Record_Failure (Data.Full_Source_File, Data.Source_Unit);
end if;
end if;
end if;
end if;
end Wait_For_Available_Slot;
-- Start of processing for Compile_Sources
begin
pragma Assert (Args'First = 1);
Outstanding_Compiles := 0;
Running_Compile := new Comp_Data_Arr (1 .. Max_Process);
-- Package and Queue initializations
Good_ALI.Init;
if Initialize_ALI_Data then
Initialize_ALI;
Initialize_ALI_Source;
end if;
-- The following two flags affect the behavior of ALI.Set_Source_Table.
-- We set Check_Source_Files to True to ensure that source file time
-- stamps are checked, and we set All_Sources to False to avoid checking
-- the presence of the source files listed in the source dependency
-- section of an ali file (which would be a mistake since the ali file
-- may be obsolete).
Check_Source_Files := True;
All_Sources := False;
Queue.Insert
((Format => Format_Gnatmake,
File => Main_Source,
Project => Main_Project,
Unit => No_Unit_Name,
Index => Main_Index,
Sid => No_Source));
First_Compiled_File := No_File;
Most_Recent_Obj_File := No_File;
Most_Recent_Obj_Stamp := Empty_Time_Stamp;
Main_Unit := False;
-- Keep looping until there is no more work to do (the Q is empty)
-- and all the outstanding compilations have terminated.
Make_Loop :
while not Queue.Is_Empty or else Outstanding_Compiles > 0 loop
exit Make_Loop when Must_Exit_Because_Of_Error;
exit Make_Loop when Start_Compile_If_Possible (Args);
Wait_For_Available_Slot;
-- ??? Should be done as soon as we add a Good_ALI, wouldn't it avoid
-- the need for a list of good ALI?
Fill_Queue_From_ALI_Files;
if Display_Compilation_Progress then
Write_Str ("completed ");
Write_Int (Int (Queue.Processed));
Write_Str (" out of ");
Write_Int (Int (Queue.Size));
Write_Str (" (");
Write_Int (Int ((Queue.Processed * 100) / Queue.Size));
Write_Str ("%)...");
Write_Eol;
end if;
end loop Make_Loop;
Compilation_Failures := Bad_Compilation_Count;
-- Compilation is finished
-- Delete any temporary configuration pragma file
if not Keep_Temporary_Files then
Delete_Temp_Config_Files (Project_Tree);
end if;
end Compile_Sources;
----------------------------------
-- Configuration_Pragmas_Switch --
----------------------------------
function Configuration_Pragmas_Switch
(For_Project : Project_Id) return Argument_List
is
The_Packages : Package_Id;
Gnatmake : Package_Id;
Compiler : Package_Id;
Global_Attribute : Variable_Value := Nil_Variable_Value;
Local_Attribute : Variable_Value := Nil_Variable_Value;
Global_Attribute_Present : Boolean := False;
Local_Attribute_Present : Boolean := False;
Result : Argument_List (1 .. 3);
Last : Natural := 0;
begin
Prj.Env.Create_Config_Pragmas_File
(For_Project, Project_Tree);
if For_Project.Config_File_Name /= No_Path then
Temporary_Config_File := For_Project.Config_File_Temp;
Last := 1;
Result (1) :=
new String'
("-gnatec=" & Get_Name_String (For_Project.Config_File_Name));
else
Temporary_Config_File := False;
end if;
-- Check for attribute Builder'Global_Configuration_Pragmas
The_Packages := Main_Project.Decl.Packages;
Gnatmake :=
Prj.Util.Value_Of
(Name => Name_Builder,
In_Packages => The_Packages,
Shared => Project_Tree.Shared);
if Gnatmake /= No_Package then
Global_Attribute := Prj.Util.Value_Of
(Variable_Name => Name_Global_Configuration_Pragmas,
In_Variables => Project_Tree.Shared.Packages.Table
(Gnatmake).Decl.Attributes,
Shared => Project_Tree.Shared);
Global_Attribute_Present :=
Global_Attribute /= Nil_Variable_Value
and then Get_Name_String (Global_Attribute.Value) /= "";
if Global_Attribute_Present then
declare
Path : constant String :=
Absolute_Path
(Path_Name_Type (Global_Attribute.Value),
Global_Attribute.Project);
begin
if not Is_Regular_File (Path) then
if Debug.Debug_Flag_F then
Make_Failed
("cannot find configuration pragmas file "
& File_Name (Path));
else
Make_Failed
("cannot find configuration pragmas file " & Path);
end if;
end if;
Last := Last + 1;
Result (Last) := new String'("-gnatec=" & Path);
end;
end if;
end if;
-- Check for attribute Compiler'Local_Configuration_Pragmas
The_Packages := For_Project.Decl.Packages;
Compiler :=
Prj.Util.Value_Of
(Name => Name_Compiler,
In_Packages => The_Packages,
Shared => Project_Tree.Shared);
if Compiler /= No_Package then
Local_Attribute := Prj.Util.Value_Of
(Variable_Name => Name_Local_Configuration_Pragmas,
In_Variables => Project_Tree.Shared.Packages.Table
(Compiler).Decl.Attributes,
Shared => Project_Tree.Shared);
Local_Attribute_Present :=
Local_Attribute /= Nil_Variable_Value
and then Get_Name_String (Local_Attribute.Value) /= "";
if Local_Attribute_Present then
declare
Path : constant String :=
Absolute_Path
(Path_Name_Type (Local_Attribute.Value),
Local_Attribute.Project);
begin
if not Is_Regular_File (Path) then
if Debug.Debug_Flag_F then
Make_Failed
("cannot find configuration pragmas file "
& File_Name (Path));
else
Make_Failed
("cannot find configuration pragmas file " & Path);
end if;
end if;
Last := Last + 1;
Result (Last) := new String'("-gnatec=" & Path);
end;
end if;
end if;
return Result (1 .. Last);
end Configuration_Pragmas_Switch;
---------------
-- Debug_Msg --
---------------
procedure Debug_Msg (S : String; N : Name_Id) is
begin
if Debug.Debug_Flag_W then
Write_Str (" ... ");
Write_Str (S);
Write_Str (" ");
Write_Name (N);
Write_Eol;
end if;
end Debug_Msg;
procedure Debug_Msg (S : String; N : File_Name_Type) is
begin
Debug_Msg (S, Name_Id (N));
end Debug_Msg;
procedure Debug_Msg (S : String; N : Unit_Name_Type) is
begin
Debug_Msg (S, Name_Id (N));
end Debug_Msg;
-------------
-- Display --
-------------
procedure Display (Program : String; Args : Argument_List) is
begin
pragma Assert (Args'First = 1);
if Display_Executed_Programs then
Write_Str (Program);
for J in Args'Range loop
-- Never display -gnatea nor -gnatez
if Args (J).all /= "-gnatea"
and then
Args (J).all /= "-gnatez"
then
-- Do not display the mapping file argument automatically
-- created when using a project file.
if Main_Project = No_Project
or else Opt.Keep_Temporary_Files
or else Args (J)'Length < 8
or else
Args (J) (Args (J)'First .. Args (J)'First + 6) /= "-gnatem"
then
-- When -dn is not specified, do not display the config
-- pragmas switch (-gnatec) for the temporary file created
-- by the project manager (always the first -gnatec switch).
-- Reset Temporary_Config_File to False so that the eventual
-- other -gnatec switches will be displayed.
if not Opt.Keep_Temporary_Files
and then Temporary_Config_File
and then Args (J)'Length > 7
and then Args (J) (Args (J)'First .. Args (J)'First + 6) =
"-gnatec"
then
Temporary_Config_File := False;
-- Do not display the -F=mapping_file switch for gnatbind
-- if -dn is not specified.
elsif Opt.Keep_Temporary_Files
or else Args (J)'Length < 4
or else
Args (J) (Args (J)'First .. Args (J)'First + 2) /= "-F="
then
Write_Str (" ");
-- If -df is used, only display file names, not path
-- names.
if Debug.Debug_Flag_F then
declare
Equal_Pos : Natural;
begin
Equal_Pos := Args (J)'First - 1;
for K in Args (J)'Range loop
if Args (J) (K) = '=' then
Equal_Pos := K;
exit;
end if;
end loop;
if Is_Absolute_Path
(Args (J) (Equal_Pos + 1 .. Args (J)'Last))
then
Write_Str
(Args (J) (Args (J)'First .. Equal_Pos));
Write_Str
(File_Name
(Args (J)
(Equal_Pos + 1 .. Args (J)'Last)));
else
Write_Str (Args (J).all);
end if;
end;
else
Write_Str (Args (J).all);
end if;
end if;
end if;
end if;
end loop;
Write_Eol;
end if;
end Display;
----------------------
-- Display_Commands --
----------------------
procedure Display_Commands (Display : Boolean := True) is
begin
Display_Executed_Programs := Display;
end Display_Commands;
--------------------------
-- Enter_Into_Obsoleted --
--------------------------
procedure Enter_Into_Obsoleted (F : File_Name_Type) is
Name : constant String := Get_Name_String (F);
First : Natural;
F2 : File_Name_Type;
begin
First := Name'Last;
while First > Name'First
and then not Is_Directory_Separator (Name (First - 1))
loop
First := First - 1;
end loop;
if First /= Name'First then
Name_Len := 0;
Add_Str_To_Name_Buffer (Name (First .. Name'Last));
F2 := Name_Find;
else
F2 := F;
end if;
Debug_Msg ("New entry in Obsoleted table:", F2);
Obsoleted.Set (F2, True);
end Enter_Into_Obsoleted;
---------------
-- Globalize --
---------------
procedure Globalize (Success : out Boolean) is
Quiet_Str : aliased String := "-quiet";
Globalizer_Args : constant Argument_List :=
(1 => Quiet_Str'Unchecked_Access);
Previous_Dir : String_Access;
procedure Globalize_Dir (Dir : String);
-- Call CodePeer globalizer on Dir
-------------------
-- Globalize_Dir --
-------------------
procedure Globalize_Dir (Dir : String) is
Result : Boolean;
begin
if Previous_Dir = null or else Dir /= Previous_Dir.all then
Free (Previous_Dir);
Previous_Dir := new String'(Dir);
Change_Dir (Dir);
GNAT.OS_Lib.Spawn (Globalizer_Path.all, Globalizer_Args, Result);
Success := Success and Result;
end if;
end Globalize_Dir;
procedure Globalize_Dirs is new
Prj.Env.For_All_Object_Dirs (Globalize_Dir);
-- Start of processing for Globalize
begin
Success := True;
Display (Globalizer, Globalizer_Args);
if Globalizer_Path = null then
Make_Failed ("error, unable to locate " & Globalizer);
end if;
if Main_Project = No_Project then
GNAT.OS_Lib.Spawn (Globalizer_Path.all, Globalizer_Args, Success);
else
Globalize_Dirs (Main_Project, Project_Tree);
end if;
end Globalize;
-------------------
-- Linking_Phase --
-------------------
procedure Linking_Phase
(Non_Std_Executable : Boolean := False;
Executable : File_Name_Type := No_File;
Main_ALI_File : File_Name_Type)
is
Linker_Switches_Last : constant Integer := Linker_Switches.Last;
Path_Option : constant String_Access :=
MLib.Linker_Library_Path_Option;
Libraries_Present : Boolean := False;
Current : Natural;
Proj2 : Project_Id;
Depth : Natural;
Proj1 : Project_List;
begin
if not Run_Path_Option then
Linker_Switches.Increment_Last;
Linker_Switches.Table (Linker_Switches.Last) :=
new String'("-R");
end if;
if Main_Project /= No_Project then
Library_Paths.Set_Last (0);
Library_Projs.Init;
if MLib.Tgt.Support_For_Libraries /= Prj.None then
-- Check for library projects
Proj1 := Project_Tree.Projects;
while Proj1 /= null loop
if Proj1.Project /= Main_Project
and then Proj1.Project.Library
then
-- Add this project to table Library_Projs
Libraries_Present := True;
Depth := Proj1.Project.Depth;
Library_Projs.Increment_Last;
Current := Library_Projs.Last;
-- Any project with a greater depth should be after this
-- project in the list.
while Current > 1 loop
Proj2 := Library_Projs.Table (Current - 1);
exit when Proj2.Depth <= Depth;
Library_Projs.Table (Current) := Proj2;
Current := Current - 1;
end loop;
Library_Projs.Table (Current) := Proj1.Project;
-- If it is not a static library and path option is set, add
-- it to the Library_Paths table.
if Proj1.Project.Library_Kind /= Static
and then Proj1.Project.Extended_By = No_Project
and then Path_Option /= null
then
Library_Paths.Increment_Last;
Library_Paths.Table (Library_Paths.Last) :=
new String'
(Get_Name_String
(Proj1.Project.Library_Dir.Display_Name));
end if;
end if;
Proj1 := Proj1.Next;
end loop;
for Index in 1 .. Library_Projs.Last loop
if Library_Projs.Table (Index).Extended_By = No_Project then
if Library_Projs.Table (Index).Library_Kind = Static then
Linker_Switches.Increment_Last;
Linker_Switches.Table (Linker_Switches.Last) :=
new String'
(Get_Name_String
(Library_Projs.Table
(Index).Library_Dir.Display_Name) &
"lib" &
Get_Name_String
(Library_Projs.Table (Index).Library_Name) &
"." &
MLib.Tgt.Archive_Ext);
else
-- Add the -L switch
Linker_Switches.Increment_Last;
Linker_Switches.Table (Linker_Switches.Last) :=
new String'("-L" &
Get_Name_String (Library_Projs.Table (Index).
Library_Dir.Display_Name));
-- Add the -l switch
Linker_Switches.Increment_Last;
Linker_Switches.Table (Linker_Switches.Last) :=
new String'("-l" &
Get_Name_String
(Library_Projs.Table (Index).Library_Name));
end if;
end if;
end loop;
end if;
if Libraries_Present then
-- If Path_Option is not null, create the switch ("-Wl,-rpath,"
-- or equivalent) with all the non-static library dirs plus the
-- standard GNAT library dir. We do that only if Run_Path_Option
-- is True (not disabled by -R switch).
if Run_Path_Option and then Path_Option /= null then
declare
Option : String_Access;
Length : Natural := Path_Option'Length;
Current : Natural;
begin
if MLib.Separate_Run_Path_Options then
-- We are going to create one switch of the form
-- "-Wl,-rpath,dir_N" for each directory to
-- consider.
-- One switch for each library directory
for Index in
Library_Paths.First .. Library_Paths.Last
loop
Linker_Switches.Increment_Last;
Linker_Switches.Table (Linker_Switches.Last) :=
new String'
(Path_Option.all &
Library_Paths.Table (Index).all);
end loop;
-- One switch for the standard GNAT library dir
Linker_Switches.Increment_Last;
Linker_Switches.Table (Linker_Switches.Last) :=
new String'(Path_Option.all & MLib.Utl.Lib_Directory);
else
-- We are going to create one switch of the form
-- "-Wl,-rpath,dir_1:dir_2:dir_3"
for Index in Library_Paths.First .. Library_Paths.Last
loop
-- Add the length of the library dir plus one for the
-- directory separator.
Length :=
Length + Library_Paths.Table (Index)'Length + 1;
end loop;
-- Finally, add the length of the standard GNAT
-- library dir.
Length := Length + MLib.Utl.Lib_Directory'Length;
Option := new String (1 .. Length);
Option (1 .. Path_Option'Length) := Path_Option.all;
Current := Path_Option'Length;
-- Put each library dir followed by a dir
-- separator.
for Index in Library_Paths.First .. Library_Paths.Last
loop
Option
(Current + 1 ..
Current + Library_Paths.Table (Index)'Length) :=
Library_Paths.Table (Index).all;
Current :=
Current + Library_Paths.Table (Index)'Length + 1;
Option (Current) := Path_Separator;
end loop;
-- Finally put the standard GNAT library dir
Option
(Current + 1 ..
Current + MLib.Utl.Lib_Directory'Length) :=
MLib.Utl.Lib_Directory;
-- And add the switch to the linker switches
Linker_Switches.Increment_Last;
Linker_Switches.Table (Linker_Switches.Last) := Option;
end if;
end;
end if;
end if;
-- Put the object directories in ADA_OBJECTS_PATH
Prj.Env.Set_Ada_Paths
(Main_Project,
Project_Tree,
Including_Libraries => False,
Include_Path => False);
-- Check for attributes Linker'Linker_Options in projects other than
-- the main project
declare
Linker_Options : constant String_List :=
Linker_Options_Switches
(Main_Project,
Do_Fail => Make_Failed'Access,
In_Tree => Project_Tree);
begin
for Option in Linker_Options'Range loop
Linker_Switches.Increment_Last;
Linker_Switches.Table (Linker_Switches.Last) :=
Linker_Options (Option);
end loop;
end;
end if;
if CodePeer_Mode then
Linker_Switches.Increment_Last;
Linker_Switches.Table (Linker_Switches.Last) :=
new String'(CodePeer_Mode_String);
end if;
-- Add switch -M to gnatlink if builder switch --create-map-file
-- has been specified.
if Map_File /= null then
Linker_Switches.Increment_Last;
Linker_Switches.Table (Linker_Switches.Last) :=
new String'("-M" & Map_File.all);
end if;
declare
Args : Argument_List
(Linker_Switches.First .. Linker_Switches.Last + 2);
Last_Arg : Integer := Linker_Switches.First - 1;
Skip : Boolean := False;
begin
-- Get all the linker switches
for J in Linker_Switches.First .. Linker_Switches.Last loop
if Skip then
Skip := False;
elsif Non_Std_Executable
and then Linker_Switches.Table (J).all = "-o"
then
Skip := True;
-- Here we capture and duplicate the linker argument. We
-- need to do the duplication since the arguments will get
-- normalized. Not doing so will result in calling normalized
-- two times for the same set of arguments if gnatmake is
-- passed multiple mains. This can result in the wrong
-- argument being passed to the linker.
else
Last_Arg := Last_Arg + 1;
Args (Last_Arg) := new String'(Linker_Switches.Table (J).all);
end if;
end loop;
-- If need be, add the -o switch
if Non_Std_Executable then
Last_Arg := Last_Arg + 1;
Args (Last_Arg) := new String'("-o");
Last_Arg := Last_Arg + 1;
Args (Last_Arg) := new String'(Get_Name_String (Executable));
end if;
-- And invoke the linker
declare
Success : Boolean := False;
begin
-- If gnatmake was invoked with --subdirs and no project file,
-- put the executable in the subdirectory specified.
if Prj.Subdirs /= null and then Main_Project = No_Project then
Change_Dir (Object_Directory_Path.all);
end if;
Link (Main_ALI_File,
Link_With_Shared_Libgcc.all &
Args (Args'First .. Last_Arg),
Success);
if Success then
Successful_Links.Increment_Last;
Successful_Links.Table (Successful_Links.Last) := Main_ALI_File;
elsif Osint.Number_Of_Files = 1 or else not Keep_Going then
Make_Failed ("*** link failed.");
else
Set_Standard_Error;
Write_Line ("*** link failed");
if Commands_To_Stdout then
Set_Standard_Output;
end if;
Failed_Links.Increment_Last;
Failed_Links.Table (Failed_Links.Last) := Main_ALI_File;
end if;
end;
end;
Linker_Switches.Set_Last (Linker_Switches_Last);
end Linking_Phase;
-------------------
-- Binding_Phase --
-------------------
procedure Binding_Phase
(Stand_Alone_Libraries : Boolean := False;
Main_ALI_File : File_Name_Type)
is
Args : Argument_List (Binder_Switches.First .. Binder_Switches.Last + 2);
-- The arguments for the invocation of gnatbind
Last_Arg : Natural := Binder_Switches.Last;
-- Index of the last argument in Args
Shared_Libs : Boolean := False;
-- Set to True when there are shared library project files or
-- when gnatbind is invoked with -shared.
Proj : Project_List;
Mapping_Path : Path_Name_Type := No_Path;
-- The path name of the mapping file
begin
-- Check if there are shared libraries, so that gnatbind is called with
-- -shared. Check also if gnatbind is called with -shared, so that
-- gnatlink is called with -shared-libgcc ensuring that the shared
-- version of libgcc will be used.
if Main_Project /= No_Project
and then MLib.Tgt.Support_For_Libraries /= Prj.None
then
Proj := Project_Tree.Projects;
while Proj /= null loop
if Proj.Project.Library
and then Proj.Project.Library_Kind /= Static
then
Shared_Libs := True;
Bind_Shared := Shared_Switch'Access;
exit;
end if;
Proj := Proj.Next;
end loop;
end if;
-- Check now for switch -shared
if not Shared_Libs then
for J in Binder_Switches.First .. Last_Arg loop
if Binder_Switches.Table (J).all = "-shared" then
Shared_Libs := True;
exit;
end if;
end loop;
end if;
-- If shared libraries present, invoke gnatlink with
-- -shared-libgcc.
if Shared_Libs then
Link_With_Shared_Libgcc := Shared_Libgcc_Switch'Access;
end if;
-- Get all the binder switches
for J in Binder_Switches.First .. Last_Arg loop
Args (J) := Binder_Switches.Table (J);
end loop;
if Stand_Alone_Libraries then
Last_Arg := Last_Arg + 1;
Args (Last_Arg) := Force_Elab_Flags_String'Access;
end if;
if CodePeer_Mode then
Last_Arg := Last_Arg + 1;
Args (Last_Arg) := CodePeer_Mode_String'Access;
end if;
if Main_Project /= No_Project then
-- Put all the source directories in ADA_INCLUDE_PATH, and all the
-- object directories in ADA_OBJECTS_PATH.
Prj.Env.Set_Ada_Paths
(Project => Main_Project,
In_Tree => Project_Tree,
Including_Libraries => True,
Include_Path => Use_Include_Path_File);
-- If switch -C was specified, create a binder mapping file
if Create_Mapping_File then
Mapping_Path := Create_Binder_Mapping_File (Project_Tree);
if Mapping_Path /= No_Path then
Last_Arg := Last_Arg + 1;
Args (Last_Arg) :=
new String'("-F=" & Get_Name_String (Mapping_Path));
end if;
end if;
end if;
-- If gnatmake was invoked with --subdirs and no project file, put the
-- binder generated files in the subdirectory specified.
if Main_Project = No_Project and then Prj.Subdirs /= null then
Change_Dir (Object_Directory_Path.all);
end if;
begin
Bind (Main_ALI_File,
Bind_Shared.all & Args (Args'First .. Last_Arg));
exception
when others =>
-- Delete the temporary mapping file if one was created
if Mapping_Path /= No_Path then
Delete_Temporary_File (Project_Tree.Shared, Mapping_Path);
end if;
-- And reraise the exception
raise;
end;
-- If -dn was not specified, delete the temporary mapping file
-- if one was created.
if Mapping_Path /= No_Path then
Delete_Temporary_File (Project_Tree.Shared, Mapping_Path);
end if;
end Binding_Phase;
-------------------
-- Library_Phase --
-------------------
procedure Library_Phase
(Stand_Alone_Libraries : in out Boolean;
Library_Rebuilt : in out Boolean)
is
Depth : Natural;
Current : Natural;
Proj1 : Project_List;
procedure Add_To_Library_Projs (Proj : Project_Id);
-- Add project Project to table Library_Projs in decreasing depth order
--------------------------
-- Add_To_Library_Projs --
--------------------------
procedure Add_To_Library_Projs (Proj : Project_Id) is
Prj : Project_Id;
begin
Library_Projs.Increment_Last;
Depth := Proj.Depth;
-- Put the projects in decreasing depth order, so that
-- if libA depends on libB, libB is first in order.
Current := Library_Projs.Last;
while Current > 1 loop
Prj := Library_Projs.Table (Current - 1);
exit when Prj.Depth >= Depth;
Library_Projs.Table (Current) := Prj;
Current := Current - 1;
end loop;
Library_Projs.Table (Current) := Proj;
end Add_To_Library_Projs;
-- Start of processing for Library_Phase
begin
Library_Projs.Init;
-- Put in Library_Projs table all library project file ids when the
-- library need to be rebuilt.
Proj1 := Project_Tree.Projects;
while Proj1 /= null loop
if Proj1.Project.Extended_By = No_Project then
if Proj1.Project.Standalone_Library /= No then
Stand_Alone_Libraries := True;
end if;
if Proj1.Project.Library then
MLib.Prj.Check_Library
(Proj1.Project, Project_Tree);
end if;
if Proj1.Project.Need_To_Build_Lib then
Add_To_Library_Projs (Proj1.Project);
end if;
end if;
Proj1 := Proj1.Next;
end loop;
-- Check if importing libraries should be regenerated
-- because at least an imported library will be
-- regenerated or is more recent.
Proj1 := Project_Tree.Projects;
while Proj1 /= null loop
if Proj1.Project.Library
and then Proj1.Project.Extended_By = No_Project
and then Proj1.Project.Library_Kind /= Static
and then not Proj1.Project.Need_To_Build_Lib
and then not Proj1.Project.Externally_Built
then
declare
List : Project_List;
Proj2 : Project_Id;
Rebuild : Boolean := False;
Lib_Timestamp1 : constant Time_Stamp_Type :=
Proj1.Project.Library_TS;
begin
List := Proj1.Project.All_Imported_Projects;
while List /= null loop
Proj2 := List.Project;
if Proj2.Library then
if Proj2.Need_To_Build_Lib
or else
(Lib_Timestamp1 < Proj2.Library_TS)
then
Rebuild := True;
exit;
end if;
end if;
List := List.Next;
end loop;
if Rebuild then
Proj1.Project.Need_To_Build_Lib := True;
Add_To_Library_Projs (Proj1.Project);
end if;
end;
end if;
Proj1 := Proj1.Next;
end loop;
-- Reset the flags Need_To_Build_Lib for the next main, to avoid
-- rebuilding libraries uselessly.
Proj1 := Project_Tree.Projects;
while Proj1 /= null loop
Proj1.Project.Need_To_Build_Lib := False;
Proj1 := Proj1.Next;
end loop;
-- Build the libraries, if any need to be built
for J in 1 .. Library_Projs.Last loop
Library_Rebuilt := True;
-- If a library is rebuilt, then executables are obsolete
Executable_Obsolete := True;
MLib.Prj.Build_Library
(For_Project => Library_Projs.Table (J),
In_Tree => Project_Tree,
Gnatbind => Gnatbind.all,
Gnatbind_Path => Gnatbind_Path,
Gcc => Gcc.all,
Gcc_Path => Gcc_Path);
end loop;
end Library_Phase;
-----------------------
-- Compilation_Phase --
-----------------------
procedure Compilation_Phase
(Main_Source_File : File_Name_Type;
Current_Main_Index : Int := 0;
Total_Compilation_Failures : in out Natural;
Stand_Alone_Libraries : in out Boolean;
Executable : File_Name_Type := No_File;
Is_Last_Main : Boolean;
Stop_Compile : out Boolean)
is
Args : Argument_List (1 .. Gcc_Switches.Last);
First_Compiled_File : File_Name_Type;
Youngest_Obj_File : File_Name_Type;
Youngest_Obj_Stamp : Time_Stamp_Type;
Is_Main_Unit : Boolean;
-- Set True by Compile_Sources if Main_Source_File can be a main unit
Compilation_Failures : Natural;
Executable_Stamp : Time_Stamp_Type;
Library_Rebuilt : Boolean := False;
begin
Stop_Compile := False;
for J in 1 .. Gcc_Switches.Last loop
Args (J) := Gcc_Switches.Table (J);
end loop;
-- Now we invoke Compile_Sources for the current main
Compile_Sources
(Main_Source => Main_Source_File,
Args => Args,
First_Compiled_File => First_Compiled_File,
Most_Recent_Obj_File => Youngest_Obj_File,
Most_Recent_Obj_Stamp => Youngest_Obj_Stamp,
Main_Unit => Is_Main_Unit,
Main_Index => Current_Main_Index,
Compilation_Failures => Compilation_Failures,
Check_Readonly_Files => Check_Readonly_Files,
Do_Not_Execute => Do_Not_Execute,
Force_Compilations => Force_Compilations,
In_Place_Mode => In_Place_Mode,
Keep_Going => Keep_Going,
Initialize_ALI_Data => True,
Max_Process => Saved_Maximum_Processes);
if Verbose_Mode then
Write_Str ("End of compilation");
Write_Eol;
end if;
Total_Compilation_Failures :=
Total_Compilation_Failures + Compilation_Failures;
if Total_Compilation_Failures /= 0 then
Stop_Compile := True;
return;
end if;
-- Regenerate libraries, if there are any and if object files have been
-- regenerated. Note that we skip this in CodePeer mode because we don't
-- need libraries in this case, and more importantly, the object files
-- may not be present.
if Main_Project /= No_Project
and then not CodePeer_Mode
and then MLib.Tgt.Support_For_Libraries /= Prj.None
and then (Do_Bind_Step
or Unique_Compile_All_Projects
or not Compile_Only)
and then (Do_Link_Step or Is_Last_Main)
then
Library_Phase
(Stand_Alone_Libraries => Stand_Alone_Libraries,
Library_Rebuilt => Library_Rebuilt);
end if;
if List_Dependencies then
if First_Compiled_File /= No_File then
Inform
(First_Compiled_File,
"must be recompiled. Can't generate dependence list.");
else
List_Depend;
end if;
elsif First_Compiled_File = No_File
and then not Do_Bind_Step
and then not Quiet_Output
and then not Library_Rebuilt
and then Osint.Number_Of_Files = 1
then
Inform (Msg => "objects up to date.");
Stop_Compile := True;
return;
elsif Do_Not_Execute and then First_Compiled_File /= No_File then
Write_Name (First_Compiled_File);
Write_Eol;
end if;
-- Stop after compile step if any of:
-- 1) -n (Do_Not_Execute) specified
-- 2) -M (List_Dependencies) specified (also sets
-- Do_Not_Execute above, so this is probably superfluous).
-- 3) -c (Compile_Only) specified, but not -b (Bind_Only)
-- 4) Made unit cannot be a main unit
if ((Do_Not_Execute
or List_Dependencies
or not Do_Bind_Step
or not Is_Main_Unit)
and not No_Main_Subprogram
and not Build_Bind_And_Link_Full_Project)
or Unique_Compile
then
Stop_Compile := True;
return;
end if;
-- If the objects were up-to-date check if the executable file is also
-- up-to-date. For now always bind and link in CodePeer mode where there
-- is no executable.
if not CodePeer_Mode
and then First_Compiled_File = No_File
then
Executable_Stamp := File_Stamp (Executable);
if not Executable_Obsolete then
Executable_Obsolete := Youngest_Obj_Stamp > Executable_Stamp;
end if;
if not Executable_Obsolete then
for Index in reverse 1 .. Dependencies.Last loop
if Is_In_Obsoleted (Dependencies.Table (Index).Depends_On) then
Enter_Into_Obsoleted (Dependencies.Table (Index).This);
end if;
end loop;
Executable_Obsolete := Is_In_Obsoleted (Main_Source_File);
Dependencies.Init;
end if;
if not Executable_Obsolete then
-- If no Ada object files obsolete the executable, check
-- for younger or missing linker files.
Check_Linker_Options
(Executable_Stamp,
Youngest_Obj_File,
Youngest_Obj_Stamp);
Executable_Obsolete := Youngest_Obj_File /= No_File;
end if;
-- Check if any library file is more recent than the
-- executable: there may be an externally built library
-- file that has been modified.
if not Executable_Obsolete and then Main_Project /= No_Project then
declare
Proj1 : Project_List;
begin
Proj1 := Project_Tree.Projects;
while Proj1 /= null loop
if Proj1.Project.Library
and then Proj1.Project.Library_TS > Executable_Stamp
then
Executable_Obsolete := True;
Youngest_Obj_Stamp := Proj1.Project.Library_TS;
Name_Len := 0;
Add_Str_To_Name_Buffer ("library ");
Add_Str_To_Name_Buffer
(Get_Name_String (Proj1.Project.Library_Name));
Youngest_Obj_File := Name_Find;
exit;
end if;
Proj1 := Proj1.Next;
end loop;
end;
end if;
-- Return if the executable is up to date and otherwise
-- motivate the relink/rebind.
if not Executable_Obsolete then
if not Quiet_Output then
Inform (Executable, "up to date.");
end if;
Stop_Compile := True;
return;
end if;
if Executable_Stamp (1) = ' ' then
if not No_Main_Subprogram then
Verbose_Msg (Executable, "missing.", Prefix => " ");
end if;
elsif Youngest_Obj_Stamp (1) = ' ' then
Verbose_Msg
(Youngest_Obj_File, "missing.", Prefix => " ");
elsif Youngest_Obj_Stamp > Executable_Stamp then
Verbose_Msg
(Youngest_Obj_File,
"(" & String (Youngest_Obj_Stamp) & ") newer than",
Executable,
"(" & String (Executable_Stamp) & ")");
else
Verbose_Msg
(Executable, "needs to be rebuilt", Prefix => " ");
end if;
end if;
end Compilation_Phase;
----------------------------------------
-- Resolve_Relative_Names_In_Switches --
----------------------------------------
procedure Resolve_Relative_Names_In_Switches (Current_Work_Dir : String) is
begin
-- If a relative path output file has been specified, we add the
-- exec directory.
for J in reverse 1 .. Saved_Linker_Switches.Last - 1 loop
if Saved_Linker_Switches.Table (J).all = Output_Flag.all then
declare
Exec_File_Name : constant String :=
Saved_Linker_Switches.Table (J + 1).all;
begin
if not Is_Absolute_Path (Exec_File_Name) then
Get_Name_String (Main_Project.Exec_Directory.Display_Name);
Add_Str_To_Name_Buffer (Exec_File_Name);
Saved_Linker_Switches.Table (J + 1) :=
new String'(Name_Buffer (1 .. Name_Len));
end if;
end;
exit;
end if;
end loop;
-- If we are using a project file, for relative paths we add the
-- current working directory for any relative path on the command
-- line and the project directory, for any relative path in the
-- project file.
declare
Dir_Path : constant String :=
Get_Name_String (Main_Project.Directory.Display_Name);
begin
for J in 1 .. Binder_Switches.Last loop
Ensure_Absolute_Path
(Binder_Switches.Table (J),
Do_Fail => Make_Failed'Access,
Parent => Dir_Path, For_Gnatbind => True);
end loop;
for J in 1 .. Saved_Binder_Switches.Last loop
Ensure_Absolute_Path
(Saved_Binder_Switches.Table (J),
Do_Fail => Make_Failed'Access,
Parent => Current_Work_Dir,
For_Gnatbind => True);
end loop;
for J in 1 .. Linker_Switches.Last loop
Ensure_Absolute_Path
(Linker_Switches.Table (J),
Parent => Dir_Path,
Do_Fail => Make_Failed'Access);
end loop;
for J in 1 .. Saved_Linker_Switches.Last loop
Ensure_Absolute_Path
(Saved_Linker_Switches.Table (J),
Do_Fail => Make_Failed'Access,
Parent => Current_Work_Dir);
end loop;
for J in 1 .. Gcc_Switches.Last loop
Ensure_Absolute_Path
(Gcc_Switches.Table (J),
Do_Fail => Make_Failed'Access,
Parent => Dir_Path,
Including_Non_Switch => False);
end loop;
for J in 1 .. Saved_Gcc_Switches.Last loop
Ensure_Absolute_Path
(Saved_Gcc_Switches.Table (J),
Parent => Current_Work_Dir,
Do_Fail => Make_Failed'Access,
Including_Non_Switch => False);
end loop;
end;
end Resolve_Relative_Names_In_Switches;
-----------------------------------
-- Queue_Library_Project_Sources --
-----------------------------------
procedure Queue_Library_Project_Sources is
begin
if not Unique_Compile
and then MLib.Tgt.Support_For_Libraries /= Prj.None
then
declare
Proj : Project_List;
begin
Proj := Project_Tree.Projects;
while Proj /= null loop
if Proj.Project.Library then
Proj.Project.Need_To_Build_Lib :=
not MLib.Tgt.Library_Exists_For
(Proj.Project, Project_Tree)
and then not Proj.Project.Externally_Built;
if Proj.Project.Need_To_Build_Lib then
-- If there is no object directory, then it will be
-- impossible to build the library, so fail immediately.
if Proj.Project.Object_Directory = No_Path_Information
then
Make_Failed
("no object files to build library for"
& " project """
& Get_Name_String (Proj.Project.Name)
& """");
Proj.Project.Need_To_Build_Lib := False;
else
if Verbose_Mode then
Write_Str
("Library file does not exist for "
& "project """);
Write_Str
(Get_Name_String (Proj.Project.Name));
Write_Line ("""");
end if;
Insert_Project_Sources
(The_Project => Proj.Project,
All_Projects => False,
Into_Q => True);
end if;
end if;
end if;
Proj := Proj.Next;
end loop;
end;
end if;
end Queue_Library_Project_Sources;
------------------------
-- Compute_Executable --
------------------------
procedure Compute_Executable
(Main_Source_File : File_Name_Type;
Executable : out File_Name_Type;
Non_Std_Executable : out Boolean)
is
begin
Executable := No_File;
Non_Std_Executable :=
Targparm.Executable_Extension_On_Target /= No_Name;
-- Look inside the linker switches to see if the name of the final
-- executable program was specified.
for J in reverse Linker_Switches.First .. Linker_Switches.Last loop
if Linker_Switches.Table (J).all = Output_Flag.all then
pragma Assert (J < Linker_Switches.Last);
-- We cannot specify a single executable for several main
-- subprograms
if Osint.Number_Of_Files > 1 then
Fail ("cannot specify a single executable for several mains");
end if;
Name_Len := 0;
Add_Str_To_Name_Buffer (Linker_Switches.Table (J + 1).all);
Executable := Name_Enter;
Verbose_Msg (Executable, "final executable");
end if;
end loop;
-- If the name of the final executable program was not specified then
-- construct it from the main input file.
if Executable = No_File then
if Main_Project = No_Project then
Executable := Executable_Name (Strip_Suffix (Main_Source_File));
else
-- If we are using a project file, we attempt to remove the body
-- (or spec) termination of the main subprogram. We find it the
-- naming scheme of the project file. This avoids generating an
-- executable "main.2" for a main subprogram "main.2.ada", when
-- the body termination is ".2.ada".
Executable :=
Prj.Util.Executable_Of
(Main_Project, Project_Tree.Shared,
Main_Source_File, Main_Index);
end if;
end if;
if Main_Project /= No_Project
and then Main_Project.Exec_Directory /= No_Path_Information
then
declare
Exec_File_Name : constant String := Get_Name_String (Executable);
begin
if not Is_Absolute_Path (Exec_File_Name) then
Get_Name_String (Main_Project.Exec_Directory.Display_Name);
Add_Str_To_Name_Buffer (Exec_File_Name);
Executable := Name_Find;
end if;
Non_Std_Executable := True;
end;
end if;
end Compute_Executable;
-------------------------------
-- Compute_Switches_For_Main --
-------------------------------
procedure Compute_Switches_For_Main
(Main_Source_File : in out File_Name_Type;
Root_Environment : in out Prj.Tree.Environment;
Compute_Builder : Boolean;
Current_Work_Dir : String)
is
function Add_Global_Switches
(Switch : String;
For_Lang : Name_Id;
For_Builder : Boolean;
Has_Global_Compilation_Switches : Boolean) return Boolean;
-- Handles builder and global compilation switches, as read from the
-- project file.
-------------------------
-- Add_Global_Switches --
-------------------------
function Add_Global_Switches
(Switch : String;
For_Lang : Name_Id;
For_Builder : Boolean;
Has_Global_Compilation_Switches : Boolean) return Boolean
is
pragma Unreferenced (For_Lang);
begin
if For_Builder then
Program_Args := None;
Switch_May_Be_Passed_To_The_Compiler :=
not Has_Global_Compilation_Switches;
Scan_Make_Arg (Root_Environment, Switch, And_Save => False);
return Gnatmake_Switch_Found
or else Switch_May_Be_Passed_To_The_Compiler;
else
Add_Switch (Switch, Compiler, And_Save => False);
return True;
end if;
end Add_Global_Switches;
procedure Do_Compute_Builder_Switches
is new Makeutl.Compute_Builder_Switches (Add_Global_Switches);
-- Start of processing for Compute_Switches_For_Main
begin
if Main_Project /= No_Project then
declare
Main_Source_File_Name : constant String :=
Get_Name_String (Main_Source_File);
Main_Unit_File_Name : constant String :=
Prj.Env.File_Name_Of_Library_Unit_Body
(Name => Main_Source_File_Name,
Project => Main_Project,
In_Tree => Project_Tree,
Main_Project_Only => not Unique_Compile);
The_Packages : constant Package_Id := Main_Project.Decl.Packages;
Binder_Package : constant Prj.Package_Id :=
Prj.Util.Value_Of
(Name => Name_Binder,
In_Packages => The_Packages,
Shared => Project_Tree.Shared);
Linker_Package : constant Prj.Package_Id :=
Prj.Util.Value_Of
(Name => Name_Linker,
In_Packages => The_Packages,
Shared => Project_Tree.Shared);
begin
-- We fail if we cannot find the main source file
if Main_Unit_File_Name = "" then
Make_Failed ('"' & Main_Source_File_Name
& """ is not a unit of project "
& Project_File_Name.all & ".");
end if;
-- Remove any directory information from the main source file
-- file name.
declare
Pos : Natural := Main_Unit_File_Name'Last;
begin
loop
exit when Pos < Main_Unit_File_Name'First
or else Main_Unit_File_Name (Pos) = Directory_Separator;
Pos := Pos - 1;
end loop;
Name_Len := Main_Unit_File_Name'Last - Pos;
Name_Buffer (1 .. Name_Len) :=
Main_Unit_File_Name (Pos + 1 .. Main_Unit_File_Name'Last);
Main_Source_File := Name_Find;
-- We only output the main source file if there is only one
if Verbose_Mode and then Osint.Number_Of_Files = 1 then
Write_Str ("Main source file: """);
Write_Str (Main_Unit_File_Name
(Pos + 1 .. Main_Unit_File_Name'Last));
Write_Line (""".");
end if;
end;
if Compute_Builder then
Do_Compute_Builder_Switches
(Project_Tree => Project_Tree,
Env => Root_Environment,
Main_Project => Main_Project,
Only_For_Lang => Name_Ada);
Resolve_Relative_Names_In_Switches
(Current_Work_Dir => Current_Work_Dir);
-- Record current last switch index for tables Binder_Switches
-- and Linker_Switches, so that these tables may be reset
-- before each main, before adding switches from the project
-- file and from the command line.
Last_Binder_Switch := Binder_Switches.Last;
Last_Linker_Switch := Linker_Switches.Last;
else
-- Reset the tables Binder_Switches and Linker_Switches
Binder_Switches.Set_Last (Last_Binder_Switch);
Linker_Switches.Set_Last (Last_Linker_Switch);
end if;
-- We now deal with the binder and linker switches. If no project
-- file is used, there is nothing to do because the binder and
-- linker switches are the same for all mains.
-- Add binder switches from the project file for the first main
if Do_Bind_Step and then Binder_Package /= No_Package then
if Verbose_Mode then
Write_Str ("Adding binder switches for """);
Write_Str (Main_Unit_File_Name);
Write_Line (""".");
end if;
Add_Switches
(Env => Root_Environment,
File_Name => Main_Unit_File_Name,
The_Package => Binder_Package,
Program => Binder);
end if;
-- Add linker switches from the project file for the first main
if Do_Link_Step and then Linker_Package /= No_Package then
if Verbose_Mode then
Write_Str ("Adding linker switches for""");
Write_Str (Main_Unit_File_Name);
Write_Line (""".");
end if;
Add_Switches
(Env => Root_Environment,
File_Name => Main_Unit_File_Name,
The_Package => Linker_Package,
Program => Linker);
end if;
-- As we are using a project file, for relative paths we add the
-- current working directory for any relative path on the command
-- line and the project directory, for any relative path in the
-- project file.
declare
Dir_Path : constant String :=
Get_Name_String (Main_Project.Directory.Display_Name);
begin
for J in Last_Binder_Switch + 1 .. Binder_Switches.Last loop
Ensure_Absolute_Path
(Binder_Switches.Table (J),
Do_Fail => Make_Failed'Access,
Parent => Dir_Path, For_Gnatbind => True);
end loop;
for J in Last_Linker_Switch + 1 .. Linker_Switches.Last loop
Ensure_Absolute_Path
(Linker_Switches.Table (J),
Parent => Dir_Path,
Do_Fail => Make_Failed'Access);
end loop;
end;
end;
else
if not Compute_Builder then
-- Reset the tables Binder_Switches and Linker_Switches
Binder_Switches.Set_Last (Last_Binder_Switch);
Linker_Switches.Set_Last (Last_Linker_Switch);
end if;
end if;
Check_Steps;
if Compute_Builder then
Display_Commands (not Quiet_Output);
end if;
-- We now put in the Binder_Switches and Linker_Switches tables, the
-- binder and linker switches of the command line that have been put in
-- the Saved_ tables. If a project file was used, then the command line
-- switches will follow the project file switches.
for J in 1 .. Saved_Binder_Switches.Last loop
Add_Switch
(Saved_Binder_Switches.Table (J),
Binder,
And_Save => False);
end loop;
for J in 1 .. Saved_Linker_Switches.Last loop
Add_Switch
(Saved_Linker_Switches.Table (J),
Linker,
And_Save => False);
end loop;
end Compute_Switches_For_Main;
--------------
-- Gnatmake --
--------------
procedure Gnatmake is
Main_Source_File : File_Name_Type;
-- The source file containing the main compilation unit
Total_Compilation_Failures : Natural := 0;
Main_ALI_File : File_Name_Type;
-- The ali file corresponding to Main_Source_File
Executable : File_Name_Type := No_File;
-- The file name of an executable
Non_Std_Executable : Boolean := False;
-- Non_Std_Executable is set to True when there is a possibility that
-- the linker will not choose the correct executable file name.
Current_Work_Dir : constant String_Access :=
new String'(Get_Current_Dir);
-- The current working directory, used to modify some relative path
-- switches on the command line when a project file is used.
Current_Main_Index : Int := 0;
-- If not zero, the index of the current main unit in its source file
Is_First_Main : Boolean;
-- Whether we are processing the first main
Stand_Alone_Libraries : Boolean := False;
-- Set to True when there are Stand-Alone Libraries, so that gnatbind
-- is invoked with the -F switch to force checking of elaboration flags.
Project_Node_Tree : Project_Node_Tree_Ref;
Stop_Compile : Boolean;
Discard : Boolean;
pragma Warnings (Off, Discard);
procedure Check_Mains;
-- Check that the main subprograms do exist and that they all
-- belong to the same project file.
-----------------
-- Check_Mains --
-----------------
procedure Check_Mains is
Real_Main_Project : Project_Id := No_Project;
Info : Main_Info;
Proj : Project_Id;
begin
if Mains.Number_Of_Mains (Project_Tree) = 0
and then not Unique_Compile
then
Mains.Fill_From_Project (Main_Project, Project_Tree);
end if;
Mains.Complete_Mains
(Root_Environment.Flags, Main_Project, Project_Tree);
-- If we have multiple mains on the command line, they need not
-- belong to the root project, but they must all belong to the same
-- project.
if not Unique_Compile then
Mains.Reset;
loop
Info := Mains.Next_Main;
exit when Info = No_Main_Info;
Proj := Ultimate_Extending_Project_Of (Info.Project);
if Real_Main_Project = No_Project then
Real_Main_Project := Proj;
elsif Real_Main_Project /= Proj then
Make_Failed
("""" & Get_Name_String (Info.File) &
""" is not a source of project " &
Get_Name_String (Real_Main_Project.Name));
end if;
end loop;
if Real_Main_Project /= No_Project then
Main_Project := Real_Main_Project;
end if;
Debug_Output ("After checking mains, main project is",
Main_Project.Name);
else
-- For all mains on the command line, make sure they were in
-- osint. In particular, if the user has specified a multi-unit
-- source file, the call to Complete_Mains will have expanded
-- the list of mains to all its units, and we must now put them
-- back on the command line.
-- ??? This will not be necessary when gnatmake shares the same
-- queue as gprbuild and processes the file directly on the queue.
Mains.Reset;
loop
Info := Mains.Next_Main;
exit when Info = No_Main_Info;
if Info.Index /= 0 then
Debug_Output ("Add to command line index="
& Info.Index'Img, Name_Id (Info.File));
Osint.Add_File (Get_Name_String (Info.File), Info.Index);
end if;
end loop;
end if;
end Check_Mains;
-- Start of processing for Gnatmake
-- This body is very long, should be broken down???
begin
Install_Int_Handler (Sigint_Intercepted'Access);
Do_Compile_Step := True;
Do_Bind_Step := True;
Do_Link_Step := True;
Obsoleted.Reset;
Make.Initialize (Project_Node_Tree, Root_Environment);
Bind_Shared := No_Shared_Switch'Access;
Link_With_Shared_Libgcc := No_Shared_Libgcc_Switch'Access;
Failed_Links.Set_Last (0);
Successful_Links.Set_Last (0);
-- Special case when switch -B was specified
if Build_Bind_And_Link_Full_Project then
-- When switch -B is specified, there must be a project file
if Main_Project = No_Project then
Make_Failed ("-B cannot be used without a project file");
-- No main program may be specified on the command line
elsif Osint.Number_Of_Files /= 0 then
Make_Failed
("-B cannot be used with a main specified on the command line");
-- And the project file cannot be a library project file
elsif Main_Project.Library then
Make_Failed ("-B cannot be used for a library project file");
else
No_Main_Subprogram := True;
Insert_Project_Sources
(The_Project => Main_Project,
All_Projects => Unique_Compile_All_Projects,
Into_Q => False);
-- If there are no sources to compile, we fail
if Osint.Number_Of_Files = 0 then
Make_Failed ("no sources to compile");
end if;
-- Specify -n for gnatbind and add the ALI files of all the
-- sources, except the one which is a fake main subprogram: this
-- is the one for the binder generated file and it will be
-- transmitted to gnatlink. These sources are those that are in
-- the queue.
Add_Switch ("-n", Binder, And_Save => True);
for J in 1 .. Queue.Size loop
Add_Switch
(Get_Name_String (Lib_File_Name (Queue.Element (J))),
Binder, And_Save => True);
end loop;
end if;
elsif Main_Index /= 0 and then Osint.Number_Of_Files > 1 then
Make_Failed ("cannot specify several mains with a multi-unit index");
elsif Main_Project /= No_Project then
-- If the main project file is a library project file, main(s) cannot
-- be specified on the command line.
if Osint.Number_Of_Files /= 0 then
if Main_Project.Library
and then not Unique_Compile
and then ((not Make_Steps) or else Bind_Only or else Link_Only)
then
Make_Failed
("cannot specify a main program "
& "on the command line for a library project file");
end if;
-- If no mains have been specified on the command line, and we are
-- using a project file, we either find the main(s) in attribute Main
-- of the main project, or we put all the sources of the project file
-- as mains.
else
if Main_Index /= 0 then
Make_Failed ("cannot specify a multi-unit index but no main "
& "on the command line");
end if;
declare
Value : String_List_Id := Main_Project.Mains;
begin
-- The attribute Main is an empty list or not specified, or
-- else gnatmake was invoked with the switch "-u".
if Value = Prj.Nil_String or else Unique_Compile then
if not Make_Steps
or Compile_Only
or not Main_Project.Library
then
-- First make sure that the binder and the linker will
-- not be invoked.
Do_Bind_Step := False;
Do_Link_Step := False;
-- Put all the sources in the queue
No_Main_Subprogram := True;
Insert_Project_Sources
(The_Project => Main_Project,
All_Projects => Unique_Compile_All_Projects,
Into_Q => False);
-- If no sources to compile, then there is nothing to do
if Osint.Number_Of_Files = 0 then
if not Quiet_Output then
Osint.Write_Program_Name;
Write_Line (": no sources to compile");
end if;
Finish_Program (Project_Tree, E_Success);
end if;
end if;
else
-- The attribute Main is not an empty list. Put all the main
-- subprograms in the list as if they were specified on the
-- command line. However, if attribute Languages includes a
-- language other than Ada, only include the Ada mains; if
-- there is no Ada main, compile all sources of the project.
declare
Languages : constant Variable_Value :=
Prj.Util.Value_Of
(Name_Languages,
Main_Project.Decl.Attributes,
Project_Tree.Shared);
Current : String_List_Id;
Element : String_Element;
Foreign_Language : Boolean := False;
At_Least_One_Main : Boolean := False;
begin
-- First, determine if there is a foreign language in
-- attribute Languages.
if not Languages.Default then
Current := Languages.Values;
Look_For_Foreign :
while Current /= Nil_String loop
Element := Project_Tree.Shared.String_Elements.
Table (Current);
Get_Name_String (Element.Value);
To_Lower (Name_Buffer (1 .. Name_Len));
if Name_Buffer (1 .. Name_Len) /= "ada" then
Foreign_Language := True;
exit Look_For_Foreign;
end if;
Current := Element.Next;
end loop Look_For_Foreign;
end if;
-- Then, find all mains, or if there is a foreign
-- language, all the Ada mains.
while Value /= Prj.Nil_String loop
-- To know if a main is an Ada main, get its project.
-- It should be the project specified on the command
-- line.
Get_Name_String
(Project_Tree.Shared.String_Elements.Table
(Value).Value);
declare
Main_Name : constant String :=
Get_Name_String
(Project_Tree.Shared.
String_Elements.
Table (Value).Value);
Proj : constant Project_Id :=
Prj.Env.Project_Of
(Main_Name, Main_Project, Project_Tree);
begin
if Proj = Main_Project then
At_Least_One_Main := True;
Osint.Add_File
(Get_Name_String
(Project_Tree.Shared.String_Elements.Table
(Value).Value),
Index =>
Project_Tree.Shared.String_Elements.Table
(Value).Index);
elsif not Foreign_Language then
Make_Failed
("""" & Main_Name &
""" is not a source of project " &
Get_Name_String (Main_Project.Display_Name));
end if;
end;
Value := Project_Tree.Shared.String_Elements.Table
(Value).Next;
end loop;
-- If we did not get any main, it means that all mains
-- in attribute Mains are in a foreign language and -B
-- was not specified to gnatmake; so, we fail.
if not At_Least_One_Main then
Make_Failed
("no Ada mains, use -B to build foreign main");
end if;
end;
end if;
end;
end if;
-- Check that each main on the command line is a source of a
-- project file and, if there are several mains, each of them
-- is a source of the same project file.
Check_Mains;
end if;
if Verbose_Mode then
Write_Eol;
Display_Version ("GNATMAKE", "1992");
end if;
if Osint.Number_Of_Files = 0 then
if Main_Project /= No_Project and then Main_Project.Library then
if Do_Bind_Step and then Main_Project.Standalone_Library = No then
Make_Failed ("only stand-alone libraries may be bound");
end if;
-- Add the default search directories to be able to find libgnat
Osint.Add_Default_Search_Dirs;
-- And bind and or link the library
MLib.Prj.Build_Library
(For_Project => Main_Project,
In_Tree => Project_Tree,
Gnatbind => Gnatbind.all,
Gnatbind_Path => Gnatbind_Path,
Gcc => Gcc.all,
Gcc_Path => Gcc_Path,
Bind => Bind_Only,
Link => Link_Only);
Finish_Program (Project_Tree, E_Success);
else
-- Call Get_Target_Parameters to ensure that flags are properly
-- set before calling Usage.
Targparm.Get_Target_Parameters;
-- Output usage information if no argument on the command line
if Argument_Count = 0 then
Usage;
else
Try_Help;
end if;
Finish_Program (Project_Tree, E_Success);
end if;
end if;
-- Get the first executable.
-- ??? This needs to be done early, because Osint.Next_Main_File also
-- initializes the primary search directory, used below to initialize
-- the "-I" parameter
Main_Source_File := Next_Main_Source; -- No directory information
-- If -M was specified, behave as if -n was specified
if List_Dependencies then
Do_Not_Execute := True;
end if;
Add_Switch ("-I-", Compiler, And_Save => True);
if Main_Project = No_Project then
if Look_In_Primary_Dir then
Add_Switch
("-I" &
Normalize_Directory_Name
(Get_Primary_Src_Search_Directory.all).all,
Compiler,
Append_Switch => False,
And_Save => False);
end if;
else
-- If we use a project file, we have already checked that a main
-- specified on the command line with directory information has the
-- path name corresponding to a correct source in the project tree.
-- So, we don't need the directory information to be taken into
-- account by Find_File, and in fact it may lead to take the wrong
-- sources for other compilation units, when there are extending
-- projects.
Look_In_Primary_Dir := False;
end if;
-- If the user wants a program without a main subprogram, add the
-- appropriate switch to the binder.
if No_Main_Subprogram then
Add_Switch ("-z", Binder, And_Save => True);
end if;
if Main_Project /= No_Project then
if Main_Project.Object_Directory /= No_Path_Information then
-- Change current directory to object directory of main project
Project_Of_Current_Object_Directory := No_Project;
Change_To_Object_Directory (Main_Project);
end if;
-- Source file lookups should be cached for efficiency. Source files
-- are not supposed to change.
Osint.Source_File_Data (Cache => True);
Queue_Library_Project_Sources;
end if;
-- The combination of -f -u and one or several mains on the command line
-- implies -a.
if Force_Compilations
and then Unique_Compile
and then not Unique_Compile_All_Projects
and then Main_On_Command_Line
then
Must_Compile := True;
end if;
if Main_Project /= No_Project
and then not Must_Compile
and then Main_Project.Externally_Built
then
Make_Failed
("nothing to do for a main project that is externally built");
end if;
-- If no project file is used, we just put the gcc switches
-- from the command line in the Gcc_Switches table.
if Main_Project = No_Project then
for J in 1 .. Saved_Gcc_Switches.Last loop
Add_Switch
(Saved_Gcc_Switches.Table (J), Compiler, And_Save => False);
end loop;
else
-- If there is a project, put the command line gcc switches in the
-- variable The_Saved_Gcc_Switches. They are going to be used later
-- in procedure Compile_Sources.
The_Saved_Gcc_Switches :=
new Argument_List (1 .. Saved_Gcc_Switches.Last + 1);
for J in 1 .. Saved_Gcc_Switches.Last loop
The_Saved_Gcc_Switches (J) := Saved_Gcc_Switches.Table (J);
end loop;
-- We never use gnat.adc when a project file is used
The_Saved_Gcc_Switches (The_Saved_Gcc_Switches'Last) := No_gnat_adc;
end if;
-- If there was a --GCC, --GNATBIND or --GNATLINK switch on the command
-- line, then we have to use it, even if there was another switch in
-- the project file.
if Saved_Gcc /= null then
Gcc := Saved_Gcc;
end if;
if Saved_Gnatbind /= null then
Gnatbind := Saved_Gnatbind;
end if;
if Saved_Gnatlink /= null then
Gnatlink := Saved_Gnatlink;
end if;
Bad_Compilation.Init;
-- If project files are used, create the mapping of all the sources, so
-- that the correct paths will be found. Otherwise, if there is a file
-- which is not a source with the same name in a source directory this
-- file may be incorrectly found.
if Main_Project /= No_Project then
Prj.Env.Create_Mapping (Project_Tree);
end if;
-- Here is where the make process is started
Queue.Initialize
(Main_Project /= No_Project and then One_Compilation_Per_Obj_Dir);
Is_First_Main := True;
Multiple_Main_Loop : for N_File in 1 .. Osint.Number_Of_Files loop
if Current_File_Index /= No_Index then
Main_Index := Current_File_Index;
end if;
Current_Main_Index := Main_Index;
if Current_Main_Index = 0
and then Unique_Compile
and then Main_Project /= No_Project
then
-- If this is a multi-unit source, do not compile it as is (ie
-- without specifying which unit to compile)
-- Insert_Project_Sources has added each of the unit separately.
declare
Source : constant Prj.Source_Id := Find_Source
(In_Tree => Project_Tree,
Project => Main_Project,
Base_Name => Main_Source_File,
Index => Current_Main_Index,
In_Imported_Only => True);
begin
if Source /= No_Source and then Source.Index /= 0 then
goto Next_Main;
end if;
end;
end if;
Compute_Switches_For_Main
(Main_Source_File,
Root_Environment,
Compute_Builder => Is_First_Main,
Current_Work_Dir => Current_Work_Dir.all);
if Is_First_Main then
-- Put the default source dirs in the source path only now, so
-- that we take the correct ones in the case where --RTS= is
-- specified in the Builder switches.
Osint.Add_Default_Search_Dirs;
-- Get the target parameters, which are only needed for a couple
-- of cases in gnatmake. Protect against an exception, such as the
-- case of system.ads missing from the library, and fail
-- gracefully.
begin
Targparm.Get_Target_Parameters;
exception
when Unrecoverable_Error =>
Make_Failed ("*** make failed.");
end;
Gcc_Path := GNAT.OS_Lib.Locate_Exec_On_Path (Gcc.all);
Gnatbind_Path := GNAT.OS_Lib.Locate_Exec_On_Path (Gnatbind.all);
Gnatlink_Path := GNAT.OS_Lib.Locate_Exec_On_Path (Gnatlink.all);
-- If we have specified -j switch both from the project file
-- and on the command line, the one from the command line takes
-- precedence.
if Saved_Maximum_Processes = 0 then
Saved_Maximum_Processes := Maximum_Processes;
end if;
if Debug.Debug_Flag_M then
Write_Line ("Maximum number of simultaneous compilations =" &
Saved_Maximum_Processes'Img);
end if;
-- Allocate as many temporary mapping file names as the maximum
-- number of compilations processed, for each possible project.
declare
Data : Project_Compilation_Access;
Proj : Project_List;
begin
Proj := Project_Tree.Projects;
while Proj /= null loop
Data :=
new Project_Compilation_Data'
(Mapping_File_Names =>
new Temp_Path_Names (1 .. Saved_Maximum_Processes),
Last_Mapping_File_Names => 0,
Free_Mapping_File_Indexes =>
new Free_File_Indexes (1 .. Saved_Maximum_Processes),
Last_Free_Indexes => 0);
Project_Compilation_Htable.Set
(Project_Compilation, Proj.Project, Data);
Proj := Proj.Next;
end loop;
Data :=
new Project_Compilation_Data'
(Mapping_File_Names =>
new Temp_Path_Names (1 .. Saved_Maximum_Processes),
Last_Mapping_File_Names => 0,
Free_Mapping_File_Indexes =>
new Free_File_Indexes (1 .. Saved_Maximum_Processes),
Last_Free_Indexes => 0);
Project_Compilation_Htable.Set
(Project_Compilation, No_Project, Data);
end;
Is_First_Main := False;
end if;
Executable_Obsolete := False;
Compute_Executable
(Main_Source_File => Main_Source_File,
Executable => Executable,
Non_Std_Executable => Non_Std_Executable);
if Do_Compile_Step then
Compilation_Phase
(Main_Source_File => Main_Source_File,
Current_Main_Index => Current_Main_Index,
Total_Compilation_Failures => Total_Compilation_Failures,
Stand_Alone_Libraries => Stand_Alone_Libraries,
Executable => Executable,
Is_Last_Main => N_File = Osint.Number_Of_Files,
Stop_Compile => Stop_Compile);
if Stop_Compile then
if Total_Compilation_Failures /= 0 then
if Keep_Going then
goto Next_Main;
else
List_Bad_Compilations;
Report_Compilation_Failed;
end if;
elsif Osint.Number_Of_Files = 1 then
exit Multiple_Main_Loop;
else
goto Next_Main;
end if;
end if;
end if;
-- For binding and linking, we need to be in the object directory of
-- the main project.
if Main_Project /= No_Project then
Change_To_Object_Directory (Main_Project);
end if;
-- If we are here, it means that we need to rebuilt the current main,
-- so we set Executable_Obsolete to True to make sure that subsequent
-- mains will be rebuilt.
Main_ALI_In_Place_Mode_Step : declare
ALI_File : File_Name_Type;
Src_File : File_Name_Type;
begin
Src_File := Strip_Directory (Main_Source_File);
ALI_File := Lib_File_Name (Src_File, Current_Main_Index);
Main_ALI_File := Full_Lib_File_Name (ALI_File);
-- When In_Place_Mode, the library file can be located in the
-- Main_Source_File directory which may not be present in the
-- library path. If it is not present then use the corresponding
-- library file name.
if Main_ALI_File = No_File and then In_Place_Mode then
Get_Name_String (Get_Directory (Full_Source_Name (Src_File)));
Get_Name_String_And_Append (ALI_File);
Main_ALI_File := Name_Find;
Main_ALI_File := Full_Lib_File_Name (Main_ALI_File);
end if;
if Main_ALI_File = No_File then
Make_Failed ("could not find the main ALI file");
end if;
end Main_ALI_In_Place_Mode_Step;
if Do_Bind_Step then
Binding_Phase
(Stand_Alone_Libraries => Stand_Alone_Libraries,
Main_ALI_File => Main_ALI_File);
end if;
if Do_Link_Step then
Linking_Phase
(Non_Std_Executable => Non_Std_Executable,
Executable => Executable,
Main_ALI_File => Main_ALI_File);
end if;
-- We go to here when we skip the bind and link steps
<<Next_Main>>
Queue.Remove_Marks;
if N_File < Osint.Number_Of_Files then
Main_Source_File := Next_Main_Source; -- No directory information
end if;
end loop Multiple_Main_Loop;
if CodePeer_Mode then
declare
Success : Boolean := False;
begin
Globalize (Success);
if not Success then
Set_Standard_Error;
Write_Str ("*** globalize failed.");
if Commands_To_Stdout then
Set_Standard_Output;
end if;
end if;
end;
end if;
if Failed_Links.Last > 0 then
for Index in 1 .. Successful_Links.Last loop
Write_Str ("Linking of """);
Write_Str (Get_Name_String (Successful_Links.Table (Index)));
Write_Line (""" succeeded.");
end loop;
Set_Standard_Error;
for Index in 1 .. Failed_Links.Last loop
Write_Str ("Linking of """);
Write_Str (Get_Name_String (Failed_Links.Table (Index)));
Write_Line (""" failed.");
end loop;
if Commands_To_Stdout then
Set_Standard_Output;
end if;
if Total_Compilation_Failures = 0 then
Report_Compilation_Failed;
end if;
end if;
if Total_Compilation_Failures /= 0 then
List_Bad_Compilations;
Report_Compilation_Failed;
end if;
Finish_Program (Project_Tree, E_Success);
exception
when X : others =>
Set_Standard_Error;
Write_Line (Exception_Information (X));
Make_Failed ("INTERNAL ERROR. Please report.");
end Gnatmake;
----------
-- Hash --
----------
function Hash (F : File_Name_Type) return Header_Num is
begin
return Header_Num (1 + F mod Max_Header);
end Hash;
--------------------
-- In_Ada_Lib_Dir --
--------------------
function In_Ada_Lib_Dir (File : File_Name_Type) return Boolean is
D : constant File_Name_Type := Get_Directory (File);
B : constant Byte := Get_Name_Table_Byte (D);
begin
return (B and Ada_Lib_Dir) /= 0;
end In_Ada_Lib_Dir;
-----------------------
-- Init_Mapping_File --
-----------------------
procedure Init_Mapping_File
(Project : Project_Id;
Data : in out Project_Compilation_Data;
File_Index : in out Natural)
is
FD : File_Descriptor;
Status : Boolean;
-- For call to Close
begin
-- Increase the index of the last mapping file for this project
Data.Last_Mapping_File_Names := Data.Last_Mapping_File_Names + 1;
-- If there is a project file, call Create_Mapping_File with
-- the project id.
if Project /= No_Project then
Prj.Env.Create_Mapping_File
(Project,
In_Tree => Project_Tree,
Language => Name_Ada,
Name => Data.Mapping_File_Names
(Data.Last_Mapping_File_Names));
-- Otherwise, just create an empty file
else
Tempdir.Create_Temp_File
(FD, Data.Mapping_File_Names (Data.Last_Mapping_File_Names));
if FD = Invalid_FD then
Make_Failed ("disk full");
else
Record_Temp_File
(Project_Tree.Shared,
Data.Mapping_File_Names (Data.Last_Mapping_File_Names));
end if;
Close (FD, Status);
if not Status then
Make_Failed ("disk full");
end if;
end if;
-- And return the index of the newly created file
File_Index := Data.Last_Mapping_File_Names;
end Init_Mapping_File;
----------------
-- Initialize --
----------------
procedure Initialize
(Project_Node_Tree : out Project_Node_Tree_Ref;
Env : out Prj.Tree.Environment)
is
procedure Check_Version_And_Help is
new Check_Version_And_Help_G (Makeusg);
-- Start of processing for Initialize
begin
-- Prepare the project's tree, since this is used to hold external
-- references, project path and other attributes that can be impacted by
-- the command line switches
Prj.Tree.Initialize (Env, Gnatmake_Flags);
Project_Node_Tree := new Project_Node_Tree_Data;
Prj.Tree.Initialize (Project_Node_Tree);
-- Override default initialization of Check_Object_Consistency since
-- this is normally False for GNATBIND, but is True for GNATMAKE since
-- we do not need to check source consistency again once GNATMAKE has
-- looked at the sources to check.
Check_Object_Consistency := True;
-- Package initializations (the order of calls is important here)
Output.Set_Standard_Error;
Gcc_Switches.Init;
Binder_Switches.Init;
Linker_Switches.Init;
Csets.Initialize;
Snames.Initialize;
Stringt.Initialize;
Prj.Initialize (Project_Tree);
Dependencies.Init;
RTS_Specified := null;
N_M_Switch := 0;
Mains.Delete;
-- Add the directory where gnatmake is invoked in front of the path,
-- if gnatmake is invoked from a bin directory or with directory
-- information.
declare
Prefix : constant String := Executable_Prefix_Path;
Command : constant String := Command_Name;
begin
if Prefix'Length > 0 then
declare
PATH : constant String :=
Prefix & Directory_Separator & "bin" & Path_Separator
& Getenv ("PATH").all;
begin
Setenv ("PATH", PATH);
end;
else
for Index in reverse Command'Range loop
if Command (Index) = Directory_Separator then
declare
Absolute_Dir : constant String :=
Normalize_Pathname
(Command (Command'First .. Index));
PATH : constant String :=
Absolute_Dir &
Path_Separator &
Getenv ("PATH").all;
begin
Setenv ("PATH", PATH);
end;
exit;
end if;
end loop;
end if;
end;
-- Scan the switches and arguments
-- First, scan to detect --version and/or --help
Check_Version_And_Help ("GNATMAKE", "1995");
-- Scan again the switch and arguments, now that we are sure that they
-- do not include --version or --help.
-- First, check for switch -P and, if found and gprbuild is available,
-- silently invoke gprbuild, with switch --target if not on a native
-- platform.
declare
Arg_Len : Natural := Argument_Count;
Call_Gprbuild : Boolean := False;
Gprbuild : String_Access := null;
Pos : Natural := 0;
Success : Boolean;
Target : String_Access := null;
begin
Find_Program_Name;
if Name_Len >= 8
and then Name_Buffer (Name_Len - 7 .. Name_Len) = "gnatmake"
then
if Name_Len > 8 then
Target := new String'(Name_Buffer (1 .. Name_Len - 9));
Arg_Len := Arg_Len + 1;
end if;
for J in 1 .. Argument_Count loop
declare
Arg : constant String := Argument (J);
begin
if Arg'Length >= 2
and then Arg (Arg'First .. Arg'First + 1) = "-P"
then
Call_Gprbuild := True;
exit;
end if;
end;
end loop;
if Call_Gprbuild then
Gprbuild := Locate_Exec_On_Path (Exec_Name => "gprbuild");
if Gprbuild /= null then
declare
Args : Argument_List (1 .. Arg_Len);
begin
if Target /= null then
Args (1) := new String'("--target=" & Target.all);
Pos := 1;
end if;
for J in 1 .. Argument_Count loop
Pos := Pos + 1;
Args (Pos) := new String'(Argument (J));
end loop;
Spawn (Gprbuild.all, Args, Success);
Free (Gprbuild);
if Success then
Exit_Program (E_Success);
end if;
end;
end if;
end if;
end if;
end;
Scan_Args : for Next_Arg in 1 .. Argument_Count loop
Scan_Make_Arg (Env, Argument (Next_Arg), And_Save => True);
end loop Scan_Args;
if N_M_Switch > 0 and RTS_Specified = null then
Process_Multilib (Env);
end if;
if Commands_To_Stdout then
Set_Standard_Output;
end if;
if Usage_Requested then
Usage;
end if;
-- Add the default project search directories now, after the directories
-- that have been specified by switches -aP<dir>.
Prj.Env.Initialize_Default_Project_Path
(Env.Project_Path, Target_Name => Sdefault.Target_Name.all);
-- Test for trailing -P switch
if Project_File_Name_Present and then Project_File_Name = null then
Make_Failed ("project file name missing after -P");
-- Test for trailing -o switch
elsif Output_File_Name_Present and then not Output_File_Name_Seen then
Make_Failed ("output file name missing after -o");
-- Test for trailing -D switch
elsif Object_Directory_Present and then not Object_Directory_Seen then
Make_Failed ("object directory missing after -D");
end if;
-- Test for simultaneity of -i and -D
if Object_Directory_Path /= null and then In_Place_Mode then
Make_Failed ("-i and -D cannot be used simultaneously");
end if;
-- If --subdirs= is specified, but not -P, this is equivalent to -D,
-- except that the directory is created if it does not exist.
if Prj.Subdirs /= null and then Project_File_Name = null then
if Object_Directory_Path /= null then
Make_Failed ("--subdirs and -D cannot be used simultaneously");
elsif In_Place_Mode then
Make_Failed ("--subdirs and -i cannot be used simultaneously");
else
if not Is_Directory (Prj.Subdirs.all) then
begin
Ada.Directories.Create_Path (Prj.Subdirs.all);
exception
when others =>
Make_Failed ("unable to create object directory " &
Prj.Subdirs.all);
end;
end if;
Object_Directory_Present := True;
declare
Argv : constant String (1 .. Prj.Subdirs'Length) :=
Prj.Subdirs.all;
begin
Scan_Make_Arg (Env, Argv, And_Save => False);
end;
end if;
end if;
-- Deal with -C= switch
if Gnatmake_Mapping_File /= null then
-- First, check compatibility with other switches
if Project_File_Name /= null then
Make_Failed ("-C= switch is not compatible with -P switch");
elsif Saved_Maximum_Processes > 1 then
Make_Failed ("-C= switch is not compatible with -jnnn switch");
end if;
Fmap.Initialize (Gnatmake_Mapping_File.all);
Add_Switch
("-gnatem=" & Gnatmake_Mapping_File.all,
Compiler,
And_Save => True);
end if;
if Project_File_Name /= null then
-- A project file was specified by a -P switch
if Verbose_Mode then
Write_Eol;
Write_Str ("Parsing project file """);
Write_Str (Project_File_Name.all);
Write_Str (""".");
Write_Eol;
end if;
-- Avoid looking in the current directory for ALI files
-- Look_In_Primary_Dir := False;
-- Set the project parsing verbosity to whatever was specified
-- by a possible -vP switch.
Prj.Pars.Set_Verbosity (To => Current_Verbosity);
-- Parse the project file.
-- If there is an error, Main_Project will still be No_Project.
Prj.Pars.Parse
(Project => Main_Project,
In_Tree => Project_Tree,
Project_File_Name => Project_File_Name.all,
Packages_To_Check => Packages_To_Check_By_Gnatmake,
Env => Env,
In_Node_Tree => Project_Node_Tree);
-- The parsing of project files may have changed the current output
if Commands_To_Stdout then
Set_Standard_Output;
else
Set_Standard_Error;
end if;
if Main_Project = No_Project then
Make_Failed
("""" & Project_File_Name.all & """ processing failed");
end if;
if Main_Project.Qualifier = Aggregate then
Make_Failed ("aggregate projects are not supported");
elsif Aggregate_Libraries_In (Project_Tree) then
Make_Failed ("aggregate library projects are not supported");
end if;
Create_Mapping_File := True;
if Verbose_Mode then
Write_Eol;
Write_Str ("Parsing of project file """);
Write_Str (Project_File_Name.all);
Write_Str (""" is finished.");
Write_Eol;
end if;
-- We add the source directories and the object directories to the
-- search paths.
-- ??? Why do we need these search directories, we already know the
-- locations from parsing the project, except for the runtime which
-- has its own directories anyway
Add_Source_Directories (Main_Project, Project_Tree);
Add_Object_Directories (Main_Project, Project_Tree);
Recursive_Compute_Depth (Main_Project);
Compute_All_Imported_Projects (Main_Project, Project_Tree);
else
Osint.Add_Default_Search_Dirs;
-- Source file lookups should be cached for efficiency. Source files
-- are not supposed to change. However, we do that now only if no
-- project file is used; if a project file is used, we do it just
-- after changing the directory to the object directory.
Osint.Source_File_Data (Cache => True);
-- Read gnat.adc file to initialize Fname.UF
Fname.UF.Initialize;
if Config_File then
begin
Fname.SF.Read_Source_File_Name_Pragmas;
exception
when Err : SFN_Scan.Syntax_Error_In_GNAT_ADC =>
Make_Failed (Exception_Message (Err));
end;
end if;
end if;
-- Make sure no project object directory is recorded
Project_Of_Current_Object_Directory := No_Project;
if Debug.Debug_Flag_N then
Opt.Keep_Temporary_Files := True;
end if;
end Initialize;
----------------------------
-- Insert_Project_Sources --
----------------------------
procedure Insert_Project_Sources
(The_Project : Project_Id;
All_Projects : Boolean;
Into_Q : Boolean)
is
Put_In_Q : Boolean := Into_Q;
Unit : Unit_Index;
Sfile : File_Name_Type;
Sid : Prj.Source_Id;
Index : Int;
Project : Project_Id;
begin
-- Loop through all the sources in the project files
Unit := Units_Htable.Get_First (Project_Tree.Units_HT);
while Unit /= null loop
Sfile := No_File;
Sid := No_Source;
Index := 0;
Project := No_Project;
-- If there is a source for the body, and the body has not been
-- locally removed.
if Unit.File_Names (Impl) /= null
and then not Unit.File_Names (Impl).Locally_Removed
then
-- And it is a source for the specified project
if All_Projects
or else
Is_Extending (The_Project, Unit.File_Names (Impl).Project)
then
Project := Unit.File_Names (Impl).Project;
-- If we don't have a spec, we cannot consider the source
-- if it is a subunit.
if Unit.File_Names (Spec) = null then
declare
Src_Ind : Source_File_Index;
-- Here we are cheating a little bit: we don't want to
-- use Sinput.L, because it depends on the GNAT tree
-- (Atree, Sinfo, ...). So, we pretend that it is a
-- project file, and we use Sinput.P.
-- Source_File_Is_Subunit is just scanning through the
-- file until it finds one of the reserved words
-- separate, procedure, function, generic or package.
-- Fortunately, these Ada reserved words are also
-- reserved for project files.
begin
Src_Ind := Sinput.P.Load_Project_File
(Get_Name_String
(Unit.File_Names (Impl).Path.Display_Name));
-- If it is a subunit, discard it
if Sinput.P.Source_File_Is_Subunit (Src_Ind) then
Sfile := No_File;
Index := 0;
Sid := No_Source;
else
Sfile := Unit.File_Names (Impl).Display_File;
Index := Unit.File_Names (Impl).Index;
Sid := Unit.File_Names (Impl);
end if;
end;
else
Sfile := Unit.File_Names (Impl).Display_File;
Index := Unit.File_Names (Impl).Index;
Sid := Unit.File_Names (Impl);
end if;
end if;
elsif Unit.File_Names (Spec) /= null
and then not Unit.File_Names (Spec).Locally_Removed
and then
(All_Projects
or else
Is_Extending (The_Project, Unit.File_Names (Spec).Project))
then
-- If there is no source for the body, but there is one for the
-- spec which has not been locally removed, then we take this one.
Sfile := Unit.File_Names (Spec).Display_File;
Index := Unit.File_Names (Spec).Index;
Sid := Unit.File_Names (Spec);
Project := Unit.File_Names (Spec).Project;
end if;
-- For the first source inserted into the Q, we need to initialize
-- the Q, but not for the subsequent sources.
Queue.Initialize
(Main_Project /= No_Project and then
One_Compilation_Per_Obj_Dir);
if Sfile /= No_File then
Queue.Insert
((Format => Format_Gnatmake,
File => Sfile,
Project => Project,
Unit => No_Unit_Name,
Index => Index,
Sid => Sid));
end if;
if not Put_In_Q and then Sfile /= No_File then
-- If Put_In_Q is False, we add the source as if it were specified
-- on the command line, and we set Put_In_Q to True, so that the
-- following sources will only be put in the queue. The source is
-- already in the Q, but we need at least one fake main to call
-- Compile_Sources.
if Verbose_Mode then
Write_Str ("Adding """);
Write_Str (Get_Name_String (Sfile));
Write_Line (""" as if on the command line");
end if;
Osint.Add_File (Get_Name_String (Sfile), Index);
Put_In_Q := True;
end if;
Unit := Units_Htable.Get_Next (Project_Tree.Units_HT);
end loop;
end Insert_Project_Sources;
---------------------
-- Is_In_Obsoleted --
---------------------
function Is_In_Obsoleted (F : File_Name_Type) return Boolean is
begin
if F = No_File then
return False;
else
declare
Name : constant String := Get_Name_String (F);
First : Natural;
F2 : File_Name_Type;
begin
First := Name'Last;
while First > Name'First
and then not Is_Directory_Separator (Name (First - 1))
loop
First := First - 1;
end loop;
if First /= Name'First then
Name_Len := 0;
Add_Str_To_Name_Buffer (Name (First .. Name'Last));
F2 := Name_Find;
else
F2 := F;
end if;
return Obsoleted.Get (F2);
end;
end if;
end Is_In_Obsoleted;
----------------------------
-- Is_In_Object_Directory --
----------------------------
function Is_In_Object_Directory
(Source_File : File_Name_Type;
Full_Lib_File : File_Name_Type) return Boolean
is
begin
-- There is something to check only when using project files. Otherwise,
-- this function returns True (last line of the function).
if Main_Project /= No_Project then
declare
Source_File_Name : constant String :=
Get_Name_String (Source_File);
Saved_Verbosity : constant Verbosity := Current_Verbosity;
Project : Project_Id := No_Project;
Path_Name : Path_Name_Type := No_Path;
pragma Warnings (Off, Path_Name);
begin
-- Call Get_Reference to know the ultimate extending project of
-- the source. Call it with verbosity default to avoid verbose
-- messages.
Current_Verbosity := Default;
Prj.Env.Get_Reference
(Source_File_Name => Source_File_Name,
Project => Project,
In_Tree => Project_Tree,
Path => Path_Name);
Current_Verbosity := Saved_Verbosity;
-- If this source is in a project, check that the ALI file is in
-- its object directory. If it is not, return False, so that the
-- ALI file will not be skipped.
if Project /= No_Project then
declare
Object_Directory : constant String :=
Normalize_Pathname
(Get_Name_String
(Project.
Object_Directory.Display_Name));
Olast : Natural := Object_Directory'Last;
Lib_File_Directory : constant String :=
Normalize_Pathname (Dir_Name
(Get_Name_String (Full_Lib_File)));
Llast : Natural := Lib_File_Directory'Last;
begin
-- For directories, Normalize_Pathname may or may not put
-- a directory separator at the end, depending on its input.
-- Remove any last directory separator before comparison.
-- Returns True only if the two directories are the same.
if Object_Directory (Olast) = Directory_Separator then
Olast := Olast - 1;
end if;
if Lib_File_Directory (Llast) = Directory_Separator then
Llast := Llast - 1;
end if;
return Object_Directory (Object_Directory'First .. Olast) =
Lib_File_Directory (Lib_File_Directory'First .. Llast);
end;
end if;
end;
end if;
-- When the source is not in a project file, always return True
return True;
end Is_In_Object_Directory;
----------
-- Link --
----------
procedure Link
(ALI_File : File_Name_Type;
Args : Argument_List;
Success : out Boolean)
is
Link_Args : Argument_List (1 .. Args'Length + 1);
begin
Get_Name_String (ALI_File);
Link_Args (1) := new String'(Name_Buffer (1 .. Name_Len));
Link_Args (2 .. Args'Length + 1) := Args;
GNAT.OS_Lib.Normalize_Arguments (Link_Args);
Display (Gnatlink.all, Link_Args);
if Gnatlink_Path = null then
Make_Failed ("error, unable to locate " & Gnatlink.all);
end if;
GNAT.OS_Lib.Spawn (Gnatlink_Path.all, Link_Args, Success);
end Link;
---------------------------
-- List_Bad_Compilations --
---------------------------
procedure List_Bad_Compilations is
begin
if not No_Exit_Message then
for J in Bad_Compilation.First .. Bad_Compilation.Last loop
if Bad_Compilation.Table (J).File = No_File then
null;
elsif not Bad_Compilation.Table (J).Found then
Inform (Bad_Compilation.Table (J).File, "not found");
else
Inform (Bad_Compilation.Table (J).File, "compilation error");
end if;
end loop;
end if;
end List_Bad_Compilations;
-----------------
-- List_Depend --
-----------------
procedure List_Depend is
Lib_Name : File_Name_Type;
Obj_Name : File_Name_Type;
Src_Name : File_Name_Type;
Len : Natural;
Line_Pos : Natural;
Line_Size : constant := 77;
begin
Set_Standard_Output;
for A in ALIs.First .. ALIs.Last loop
Lib_Name := ALIs.Table (A).Afile;
-- We have to provide the full library file name in In_Place_Mode
if In_Place_Mode then
Lib_Name := Full_Lib_File_Name (Lib_Name);
end if;
Obj_Name := Object_File_Name (Lib_Name);
Write_Name (Obj_Name);
Write_Str (" :");
Get_Name_String (Obj_Name);
Len := Name_Len;
Line_Pos := Len + 2;
for D in ALIs.Table (A).First_Sdep .. ALIs.Table (A).Last_Sdep loop
Src_Name := Sdep.Table (D).Sfile;
if Is_Internal_File_Name (Src_Name)
and then not Check_Readonly_Files
then
null;
else
if not Quiet_Output then
Src_Name := Full_Source_Name (Src_Name);
end if;
Get_Name_String (Src_Name);
Len := Name_Len;
if Line_Pos + Len + 1 > Line_Size then
Write_Str (" \");
Write_Eol;
Line_Pos := 0;
end if;
Line_Pos := Line_Pos + Len + 1;
Write_Str (" ");
Write_Name (Src_Name);
end if;
end loop;
Write_Eol;
end loop;
if not Commands_To_Stdout then
Set_Standard_Error;
end if;
end List_Depend;
-----------------
-- Make_Failed --
-----------------
procedure Make_Failed (S : String) is
begin
Fail_Program (Project_Tree, S);
end Make_Failed;
--------------------
-- Mark_Directory --
--------------------
procedure Mark_Directory
(Dir : String;
Mark : Lib_Mark_Type;
On_Command_Line : Boolean)
is
N : Name_Id;
B : Byte;
function Base_Directory return String;
-- If Dir comes from the command line, empty string (relative paths are
-- resolved with respect to the current directory), else return the main
-- project's directory.
--------------------
-- Base_Directory --
--------------------
function Base_Directory return String is
begin
if On_Command_Line then
return "";
else
return Get_Name_String (Main_Project.Directory.Display_Name);
end if;
end Base_Directory;
Real_Path : constant String := Normalize_Pathname (Dir, Base_Directory);
-- Start of processing for Mark_Directory
begin
Name_Len := 0;
if Real_Path'Length = 0 then
Add_Str_To_Name_Buffer (Dir);
else
Add_Str_To_Name_Buffer (Real_Path);
end if;
-- Last character is supposed to be a directory separator
if not Is_Directory_Separator (Name_Buffer (Name_Len)) then
Add_Char_To_Name_Buffer (Directory_Separator);
end if;
-- Add flags to the already existing flags
N := Name_Find;
B := Get_Name_Table_Byte (N);
Set_Name_Table_Byte (N, B or Mark);
end Mark_Directory;
----------------------
-- Process_Multilib --
----------------------
procedure Process_Multilib (Env : in out Prj.Tree.Environment) is
Output_FD : File_Descriptor;
Output_Name : String_Access;
Arg_Index : Natural := 0;
Success : Boolean := False;
Return_Code : Integer := 0;
Multilib_Gcc_Path : String_Access;
Multilib_Gcc : String_Access;
N_Read : Integer := 0;
Line : String (1 .. 1000);
Args : Argument_List (1 .. N_M_Switch + 1);
begin
pragma Assert (N_M_Switch > 0 and RTS_Specified = null);
-- In case we detected a multilib switch and the user has not
-- manually specified a specific RTS we emulate the following command:
-- gnatmake $FLAGS --RTS=$(gcc -print-multi-directory $FLAGS)
-- First select the flags which might have an impact on multilib
-- processing. Note that this is an heuristic selection and it
-- will need to be maintained over time. The condition has to
-- be kept synchronized with N_M_Switch counting in Scan_Make_Arg.
for Next_Arg in 1 .. Argument_Count loop
declare
Argv : constant String := Argument (Next_Arg);
begin
if Argv'Length > 2
and then Argv (1) = '-'
and then Argv (2) = 'm'
and then Argv /= "-margs"
-- Ignore -mieee to avoid spawning an extra gcc in this case
and then Argv /= "-mieee"
then
Arg_Index := Arg_Index + 1;
Args (Arg_Index) := new String'(Argv);
end if;
end;
end loop;
pragma Assert (Arg_Index = N_M_Switch);
Args (Args'Last) := new String'("-print-multi-directory");
-- Call the GCC driver with the collected flags and save its
-- output. Alternate design would be to link in gnatmake the
-- relevant part of the GCC driver.
if Saved_Gcc /= null then
Multilib_Gcc := Saved_Gcc;
else
Multilib_Gcc := Gcc;
end if;
Multilib_Gcc_Path := GNAT.OS_Lib.Locate_Exec_On_Path (Multilib_Gcc.all);
Create_Temp_Output_File (Output_FD, Output_Name);
if Output_FD = Invalid_FD then
return;
end if;
GNAT.OS_Lib.Spawn
(Multilib_Gcc_Path.all, Args, Output_FD, Return_Code, False);
Close (Output_FD);
if Return_Code /= 0 then
return;
end if;
-- Parse the GCC driver output which is a single line, removing CR/LF
Output_FD := Open_Read (Output_Name.all, Binary);
if Output_FD = Invalid_FD then
return;
end if;
N_Read := Read (Output_FD, Line (1)'Address, Line'Length);
Close (Output_FD);
Delete_File (Output_Name.all, Success);
for J in reverse 1 .. N_Read loop
if Line (J) = ASCII.CR or else Line (J) = ASCII.LF then
N_Read := N_Read - 1;
else
exit;
end if;
end loop;
-- In case the standard RTS is selected do nothing
if N_Read = 0 or else Line (1 .. N_Read) = "." then
return;
end if;
-- Otherwise add -margs --RTS=output
Scan_Make_Arg (Env, "-margs", And_Save => True);
Scan_Make_Arg (Env, "--RTS=" & Line (1 .. N_Read), And_Save => True);
end Process_Multilib;
-----------------------------
-- Recursive_Compute_Depth --
-----------------------------
procedure Recursive_Compute_Depth (Project : Project_Id) is
use Project_Boolean_Htable;
Seen : Project_Boolean_Htable.Instance := Project_Boolean_Htable.Nil;
procedure Recurse (Prj : Project_Id; Depth : Natural);
-- Recursive procedure that does the work, keeping track of the depth
-------------
-- Recurse --
-------------
procedure Recurse (Prj : Project_Id; Depth : Natural) is
List : Project_List;
Proj : Project_Id;
begin
if Prj.Depth >= Depth or else Get (Seen, Prj) then
return;
end if;
-- We need a test to avoid infinite recursions with limited withs:
-- If we have A -> B -> A, then when set level of A to n, we try and
-- set level of B to n+1, and then level of A to n + 2, ...
Set (Seen, Prj, True);
Prj.Depth := Depth;
-- Visit each imported project
List := Prj.Imported_Projects;
while List /= null loop
Proj := List.Project;
List := List.Next;
Recurse (Prj => Proj, Depth => Depth + 1);
end loop;
-- We again allow changing the depth of this project later on if it
-- is in fact imported by a lower-level project.
Set (Seen, Prj, False);
end Recurse;
Proj : Project_List;
-- Start of processing for Recursive_Compute_Depth
begin
Proj := Project_Tree.Projects;
while Proj /= null loop
Proj.Project.Depth := 0;
Proj := Proj.Next;
end loop;
Recurse (Project, Depth => 1);
Reset (Seen);
end Recursive_Compute_Depth;
-------------------------------
-- Report_Compilation_Failed --
-------------------------------
procedure Report_Compilation_Failed is
begin
Fail_Program (Project_Tree, "");
end Report_Compilation_Failed;
------------------------
-- Sigint_Intercepted --
------------------------
procedure Sigint_Intercepted is
begin
Set_Standard_Error;
Write_Line ("*** Interrupted ***");
-- Send SIGINT to all outstanding compilation processes spawned
for J in 1 .. Outstanding_Compiles loop
Kill (Running_Compile (J).Pid, Hard_Kill => False);
end loop;
Finish_Program (Project_Tree, E_No_Compile);
end Sigint_Intercepted;
-------------------
-- Scan_Make_Arg --
-------------------
procedure Scan_Make_Arg
(Env : in out Prj.Tree.Environment;
Argv : String;
And_Save : Boolean)
is
Success : Boolean;
begin
Gnatmake_Switch_Found := True;
pragma Assert (Argv'First = 1);
if Argv'Length = 0 then
return;
end if;
-- If the previous switch has set the Project_File_Name_Present flag
-- (that is we have seen a -P alone), then the next argument is the name
-- of the project file.
if Project_File_Name_Present and then Project_File_Name = null then
if Argv (1) = '-' then
Make_Failed ("project file name missing after -P");
else
Project_File_Name_Present := False;
Project_File_Name := new String'(Argv);
end if;
-- If the previous switch has set the Output_File_Name_Present flag
-- (that is we have seen a -o), then the next argument is the name of
-- the output executable.
elsif Output_File_Name_Present
and then not Output_File_Name_Seen
then
Output_File_Name_Seen := True;
if Argv (1) = '-' then
Make_Failed ("output file name missing after -o");
else
Add_Switch ("-o", Linker, And_Save => And_Save);
Add_Switch (Executable_Name (Argv), Linker, And_Save => And_Save);
end if;
-- If the previous switch has set the Object_Directory_Present flag
-- (that is we have seen a -D), then the next argument is the path name
-- of the object directory.
elsif Object_Directory_Present
and then not Object_Directory_Seen
then
Object_Directory_Seen := True;
if Argv (1) = '-' then
Make_Failed ("object directory path name missing after -D");
elsif not Is_Directory (Argv) then
Make_Failed ("cannot find object directory """ & Argv & """");
else
-- Record the object directory. Make sure it ends with a directory
-- separator.
declare
Norm : constant String := Normalize_Pathname (Argv);
begin
if Norm (Norm'Last) = Directory_Separator then
Object_Directory_Path := new String'(Norm);
else
Object_Directory_Path :=
new String'(Norm & Directory_Separator);
end if;
Add_Lib_Search_Dir (Norm);
-- Specify the object directory to the binder
Add_Switch ("-aO" & Norm, Binder, And_Save => And_Save);
end;
end if;
-- Then check if we are dealing with -cargs/-bargs/-largs/-margs. These
-- options are taken as is when found in package Compiler, Binder or
-- Linker of the main project file.
elsif (And_Save or else Program_Args = None)
and then (Argv = "-bargs" or else
Argv = "-cargs" or else
Argv = "-largs" or else
Argv = "-margs")
then
case Argv (2) is
when 'c' => Program_Args := Compiler;
when 'b' => Program_Args := Binder;
when 'l' => Program_Args := Linker;
when 'm' => Program_Args := None;
when others =>
raise Program_Error;
end case;
-- A special test is needed for the -o switch within a -largs since that
-- is another way to specify the name of the final executable.
elsif Program_Args = Linker and then Argv = "-o" then
Make_Failed
("switch -o not allowed within a -largs. Use -o directly.");
-- Check to see if we are reading switches after a -cargs, -bargs or
-- -largs switch. If so, save it.
elsif Program_Args /= None then
-- Check to see if we are reading -I switches in order to take into
-- account in the src & lib search directories.
if Argv'Length > 2 and then Argv (1 .. 2) = "-I" then
if Argv (3 .. Argv'Last) = "-" then
Look_In_Primary_Dir := False;
elsif Program_Args = Compiler then
if Argv (3 .. Argv'Last) /= "-" then
Add_Source_Search_Dir (Argv (3 .. Argv'Last), And_Save);
end if;
elsif Program_Args = Binder then
Add_Library_Search_Dir (Argv (3 .. Argv'Last), And_Save);
end if;
end if;
Add_Switch (Argv, Program_Args, And_Save => And_Save);
-- Make sure that all significant switches -m on the command line
-- are counted.
if Argv'Length > 2
and then Argv (1 .. 2) = "-m"
and then Argv /= "-mieee"
then
N_M_Switch := N_M_Switch + 1;
end if;
-- Handle non-default compiler, binder, linker, and handle --RTS switch
elsif Argv'Length > 2 and then Argv (1 .. 2) = "--" then
if Argv'Length > 6
and then Argv (1 .. 6) = "--GCC="
then
declare
Program_Args : constant Argument_List_Access :=
Argument_String_To_List
(Argv (7 .. Argv'Last));
begin
if And_Save then
Saved_Gcc := new String'(Program_Args.all (1).all);
else
Gcc := new String'(Program_Args.all (1).all);
end if;
for J in 2 .. Program_Args.all'Last loop
Add_Switch
(Program_Args.all (J).all, Compiler, And_Save => And_Save);
end loop;
end;
elsif Argv'Length > 11
and then Argv (1 .. 11) = "--GNATBIND="
then
declare
Program_Args : constant Argument_List_Access :=
Argument_String_To_List
(Argv (12 .. Argv'Last));
begin
if And_Save then
Saved_Gnatbind := new String'(Program_Args.all (1).all);
else
Gnatbind := new String'(Program_Args.all (1).all);
end if;
for J in 2 .. Program_Args.all'Last loop
Add_Switch
(Program_Args.all (J).all, Binder, And_Save => And_Save);
end loop;
end;
elsif Argv'Length > 11
and then Argv (1 .. 11) = "--GNATLINK="
then
declare
Program_Args : constant Argument_List_Access :=
Argument_String_To_List
(Argv (12 .. Argv'Last));
begin
if And_Save then
Saved_Gnatlink := new String'(Program_Args.all (1).all);
else
Gnatlink := new String'(Program_Args.all (1).all);
end if;
for J in 2 .. Program_Args.all'Last loop
Add_Switch (Program_Args.all (J).all, Linker);
end loop;
end;
elsif Argv'Length >= 5 and then
Argv (1 .. 5) = "--RTS"
then
Add_Switch (Argv, Compiler, And_Save => And_Save);
Add_Switch (Argv, Binder, And_Save => And_Save);
if Argv'Length <= 6 or else Argv (6) /= '=' then
Make_Failed ("missing path for --RTS");
else
-- Check that this is the first time we see this switch or
-- if it is not the first time, the same path is specified.
if RTS_Specified = null then
RTS_Specified := new String'(Argv (7 .. Argv'Last));
elsif RTS_Specified.all /= Argv (7 .. Argv'Last) then
Make_Failed ("--RTS cannot be specified multiple times");
end if;
-- Valid --RTS switch
No_Stdinc := True;
No_Stdlib := True;
RTS_Switch := True;
declare
Src_Path_Name : constant String_Ptr :=
Get_RTS_Search_Dir
(Argv (7 .. Argv'Last), Include);
Lib_Path_Name : constant String_Ptr :=
Get_RTS_Search_Dir
(Argv (7 .. Argv'Last), Objects);
begin
if Src_Path_Name /= null
and then Lib_Path_Name /= null
then
-- Set RTS_*_Path_Name variables, so that correct direct-
-- ories will be set when Osint.Add_Default_Search_Dirs
-- is called later.
RTS_Src_Path_Name := Src_Path_Name;
RTS_Lib_Path_Name := Lib_Path_Name;
elsif Src_Path_Name = null
and then Lib_Path_Name = null
then
Make_Failed
("RTS path not valid: missing adainclude and adalib "
& "directories");
elsif Src_Path_Name = null then
Make_Failed
("RTS path not valid: missing adainclude directory");
elsif Lib_Path_Name = null then
Make_Failed
("RTS path not valid: missing adalib directory");
end if;
end;
end if;
elsif Argv'Length > Source_Info_Option'Length
and then Argv (1 .. Source_Info_Option'Length) = Source_Info_Option
then
Project_Tree.Source_Info_File_Name :=
new String'(Argv (Source_Info_Option'Length + 1 .. Argv'Last));
elsif Argv'Length >= 8 and then Argv (1 .. 8) = "--param=" then
Add_Switch (Argv, Compiler, And_Save => And_Save);
Add_Switch (Argv, Linker, And_Save => And_Save);
elsif Argv = Create_Map_File_Switch then
Map_File := new String'("");
elsif Argv'Length > Create_Map_File_Switch'Length + 1
and then
Argv (1 .. Create_Map_File_Switch'Length) = Create_Map_File_Switch
and then
Argv (Create_Map_File_Switch'Length + 1) = '='
then
Map_File :=
new String'
(Argv (Create_Map_File_Switch'Length + 2 .. Argv'Last));
else
Scan_Make_Switches (Env, Argv, Success);
end if;
-- If we have seen a regular switch process it
elsif Argv (1) = '-' then
if Argv'Length = 1 then
Make_Failed ("switch character cannot be followed by a blank");
-- Incorrect switches that should start with "--"
elsif (Argv'Length > 5 and then Argv (1 .. 5) = "-RTS=")
or else (Argv'Length > 5 and then Argv (1 .. 5) = "-GCC=")
or else (Argv'Length > 8 and then Argv (1 .. 7) = "-param=")
or else (Argv'Length > 10 and then Argv (1 .. 10) = "-GNATLINK=")
or else (Argv'Length > 10 and then Argv (1 .. 10) = "-GNATBIND=")
then
Make_Failed ("option " & Argv & " should start with '--'");
-- -I-
elsif Argv (2 .. Argv'Last) = "I-" then
Look_In_Primary_Dir := False;
-- Forbid -?- or -??- where ? is any character
elsif (Argv'Length = 3 and then Argv (3) = '-')
or else (Argv'Length = 4 and then Argv (4) = '-')
then
Make_Failed
("trailing ""-"" at the end of " & Argv & " forbidden.");
-- -Idir
elsif Argv (2) = 'I' then
Add_Source_Search_Dir (Argv (3 .. Argv'Last), And_Save);
Add_Library_Search_Dir (Argv (3 .. Argv'Last), And_Save);
Add_Switch (Argv, Compiler, And_Save => And_Save);
Add_Switch (Argv, Binder, And_Save => And_Save);
-- -aIdir (to gcc this is like a -I switch)
elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aI" then
Add_Source_Search_Dir (Argv (4 .. Argv'Last), And_Save);
Add_Switch
("-I" & Argv (4 .. Argv'Last), Compiler, And_Save => And_Save);
Add_Switch (Argv, Binder, And_Save => And_Save);
-- -aOdir
elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aO" then
Add_Library_Search_Dir (Argv (4 .. Argv'Last), And_Save);
Add_Switch (Argv, Binder, And_Save => And_Save);
-- -aLdir (to gnatbind this is like a -aO switch)
elsif Argv'Length >= 3 and then Argv (2 .. 3) = "aL" then
Mark_Directory (Argv (4 .. Argv'Last), Ada_Lib_Dir, And_Save);
Add_Library_Search_Dir (Argv (4 .. Argv'Last), And_Save);
Add_Switch
("-aO" & Argv (4 .. Argv'Last), Binder, And_Save => And_Save);
-- -aamp_target=...
elsif Argv'Length >= 13 and then Argv (2 .. 13) = "aamp_target=" then
Add_Switch (Argv, Compiler, And_Save => And_Save);
-- Set the aamp_target environment variable so that the binder and
-- linker will use the proper target library. This is consistent
-- with how things work when -aamp_target is passed on the command
-- line to gnaampmake.
Setenv ("aamp_target", Argv (14 .. Argv'Last));
-- -Adir (to gnatbind this is like a -aO switch, to gcc like a -I)
elsif Argv (2) = 'A' then
Mark_Directory (Argv (3 .. Argv'Last), Ada_Lib_Dir, And_Save);
Add_Source_Search_Dir (Argv (3 .. Argv'Last), And_Save);
Add_Library_Search_Dir (Argv (3 .. Argv'Last), And_Save);
Add_Switch
("-I" & Argv (3 .. Argv'Last), Compiler, And_Save => And_Save);
Add_Switch
("-aO" & Argv (3 .. Argv'Last), Binder, And_Save => And_Save);
-- -Ldir
elsif Argv (2) = 'L' then
Add_Switch (Argv, Linker, And_Save => And_Save);
-- For -gxxx, -pg, -mxxx, -fxxx, -Oxxx, pass the switch to both the
-- compiler and the linker (except for -gnatxxx which is only for the
-- compiler). Some of the -mxxx (for example -m64) and -fxxx (for
-- example -ftest-coverage for gcov) need to be used when compiling
-- the binder generated files, and using all these gcc switches for
-- them should not be a problem. Pass -Oxxx to the linker for LTO.
elsif
(Argv (2) = 'g' and then (Argv'Last < 5
or else Argv (2 .. 5) /= "gnat"))
or else Argv (2 .. Argv'Last) = "pg"
or else (Argv (2) = 'm' and then Argv'Last > 2)
or else (Argv (2) = 'f' and then Argv'Last > 2)
or else Argv (2) = 'O'
then
Add_Switch (Argv, Compiler, And_Save => And_Save);
Add_Switch (Argv, Linker, And_Save => And_Save);
-- The following condition has to be kept synchronized with
-- the Process_Multilib one.
if Argv (2) = 'm'
and then Argv /= "-mieee"
then
N_M_Switch := N_M_Switch + 1;
end if;
-- -C=<mapping file>
elsif Argv'Last > 2 and then Argv (2) = 'C' then
if And_Save then
if Argv (3) /= '=' or else Argv'Last <= 3 then
Make_Failed ("illegal switch " & Argv);
end if;
Gnatmake_Mapping_File := new String'(Argv (4 .. Argv'Last));
end if;
-- -D
elsif Argv'Last = 2 and then Argv (2) = 'D' then
if Project_File_Name /= null then
Make_Failed
("-D cannot be used in conjunction with a project file");
else
Scan_Make_Switches (Env, Argv, Success);
end if;
-- -d
elsif Argv (2) = 'd' and then Argv'Last = 2 then
Display_Compilation_Progress := True;
-- -i
elsif Argv'Last = 2 and then Argv (2) = 'i' then
if Project_File_Name /= null then
Make_Failed
("-i cannot be used in conjunction with a project file");
else
Scan_Make_Switches (Env, Argv, Success);
end if;
-- -j (need to save the result)
elsif Argv (2) = 'j' then
Scan_Make_Switches (Env, Argv, Success);
if And_Save then
Saved_Maximum_Processes := Maximum_Processes;
end if;
-- -m
elsif Argv (2) = 'm' and then Argv'Last = 2 then
Minimal_Recompilation := True;
-- -u
elsif Argv (2) = 'u' and then Argv'Last = 2 then
Unique_Compile := True;
Compile_Only := True;
Do_Bind_Step := False;
Do_Link_Step := False;
-- -U
elsif Argv (2) = 'U'
and then Argv'Last = 2
then
Unique_Compile_All_Projects := True;
Unique_Compile := True;
Compile_Only := True;
Do_Bind_Step := False;
Do_Link_Step := False;
-- -Pprj or -P prj (only once, and only on the command line)
elsif Argv (2) = 'P' then
if Project_File_Name /= null then
Make_Failed ("cannot have several project files specified");
elsif Object_Directory_Path /= null then
Make_Failed
("-D cannot be used in conjunction with a project file");
elsif In_Place_Mode then
Make_Failed
("-i cannot be used in conjunction with a project file");
elsif not And_Save then
-- It could be a tool other than gnatmake (e.g. gnatdist)
-- or a -P switch inside a project file.
Fail
("either the tool is not ""project-aware"" or "
& "a project file is specified inside a project file");
elsif Argv'Last = 2 then
-- -P is used alone: the project file name is the next option
Project_File_Name_Present := True;
else
Project_File_Name := new String'(Argv (3 .. Argv'Last));
end if;
-- -vPx (verbosity of the parsing of the project files)
elsif Argv'Length >= 3 and then Argv (2 .. 3) = "vP" then
if Argv'Last /= 4 or else Argv (4) not in '0' .. '2' then
Make_Failed
("invalid verbosity level " & Argv (4 .. Argv'Last));
elsif And_Save then
case Argv (4) is
when '0' =>
Current_Verbosity := Prj.Default;
when '1' =>
Current_Verbosity := Prj.Medium;
when '2' =>
Current_Verbosity := Prj.High;
when others =>
null;
end case;
end if;
-- -Xext=val (External assignment)
elsif Argv (2) = 'X'
and then Is_External_Assignment (Env, Argv)
then
-- Is_External_Assignment has side effects when it returns True
null;
-- If -gnath is present, then generate the usage information right
-- now and do not pass this option on to the compiler calls.
elsif Argv = "-gnath" then
Usage;
-- If -gnatc is specified, make sure the bind and link steps are not
-- executed.
elsif Argv'Length >= 6 and then Argv (2 .. 6) = "gnatc" then
-- If -gnatc is specified, make sure the bind and link steps are
-- not executed.
Add_Switch (Argv, Compiler, And_Save => And_Save);
Operating_Mode := Check_Semantics;
Check_Object_Consistency := False;
-- Except in CodePeer mode (set by -gnatcC), where we do want to
-- call bind/link in CodePeer mode (-P switch).
if Argv'Last >= 7 and then Argv (7) = 'C' then
CodePeer_Mode := True;
else
Compile_Only := True;
Do_Bind_Step := False;
Do_Link_Step := False;
end if;
-- If -gnatA is specified, make sure that gnat.adc is never read
elsif Argv'Length >= 6 and then Argv (2 .. 6) = "gnatA" then
Add_Switch (Argv, Compiler, And_Save => And_Save);
Opt.Config_File := False;
elsif Argv (2 .. Argv'Last) = "nostdlib" then
-- Pass -nstdlib to gnatbind and gnatlink
No_Stdlib := True;
Add_Switch (Argv, Binder, And_Save => And_Save);
Add_Switch (Argv, Linker, And_Save => And_Save);
elsif Argv (2 .. Argv'Last) = "nostdinc" then
-- Pass -nostdinc to the Compiler and to gnatbind
No_Stdinc := True;
Add_Switch (Argv, Compiler, And_Save => And_Save);
Add_Switch (Argv, Binder, And_Save => And_Save);
-- All other switches are processed by Scan_Make_Switches. If the
-- call returns with Gnatmake_Switch_Found = False, then the switch
-- is passed to the compiler.
else
Scan_Make_Switches (Env, Argv, Gnatmake_Switch_Found);
if not Gnatmake_Switch_Found then
Add_Switch (Argv, Compiler, And_Save => And_Save);
end if;
end if;
-- If not a switch it must be a file name
else
if And_Save then
Main_On_Command_Line := True;
end if;
Add_File (Argv);
Mains.Add_Main (Argv);
end if;
end Scan_Make_Arg;
-----------------
-- Switches_Of --
-----------------
function Switches_Of
(Source_File : File_Name_Type;
Project : Project_Id;
In_Package : Package_Id;
Allow_ALI : Boolean) return Variable_Value
is
Switches : Variable_Value;
Is_Default : Boolean;
begin
Makeutl.Get_Switches
(Source_File => Source_File,
Source_Lang => Name_Ada,
Source_Prj => Project,
Pkg_Name => Project_Tree.Shared.Packages.Table (In_Package).Name,
Project_Tree => Project_Tree,
Value => Switches,
Is_Default => Is_Default,
Test_Without_Suffix => True,
Check_ALI_Suffix => Allow_ALI);
return Switches;
end Switches_Of;
-----------
-- Usage --
-----------
procedure Usage is
begin
if Usage_Needed then
Usage_Needed := False;
Makeusg;
end if;
end Usage;
begin
-- Make sure that in case of failure, the temp files will be deleted
Prj.Com.Fail := Make_Failed'Access;
MLib.Fail := Make_Failed'Access;
end Make;
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