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/****************************************************************************
* *
* GNAT COMPILER COMPONENTS *
* *
* L I N K *
* *
* C Implementation File *
* *
* Copyright (C) 1992-2024, 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. *
* *
* As a special exception under Section 7 of GPL version 3, you are granted *
* additional permissions described in the GCC Runtime Library Exception, *
* version 3.1, as published by the Free Software Foundation. *
* *
* You should have received a copy of the GNU General Public License and *
* a copy of the GCC Runtime Library Exception along with this program; *
* see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
* <http://www.gnu.org/licenses/>. *
* *
* GNAT was originally developed by the GNAT team at New York University. *
* Extensive contributions were provided by Ada Core Technologies Inc. *
* *
****************************************************************************/
/* This file contains host-specific parameters describing the behavior of the
linker. It is used by gnatlink as well as all tools that use Mlib. */
#ifdef __cplusplus
extern "C" {
#endif
#ifdef IN_GCC
#include "auto-host.h"
#endif
#include <string.h>
/* objlist_file_supported is set to 1 when the system linker allows */
/* response file, that is a file that contains the list of object files. */
/* This is useful on systems where the command line length is limited, */
/* meaning that putting all the object files on the command line can */
/* result in an unacceptable limit on the number of files. */
/* object_file_option denotes the system dependent linker option which */
/* allows object file names to be placed in a file and then passed to */
/* the linker. object_file_option must be set if objlist_file_supported */
/* is set to 1. */
/* link_max is a conservative system specific threshold (in bytes) of the */
/* argument length passed to the linker which will trigger a file being */
/* used instead of the command line directly. If the argument length is */
/* greater than this threshold, then an objlist_file will be generated */
/* and object_file_option and objlist_file_supported must be set. If */
/* objlist_file_supported is set to 0 (unsupported), then link_max is */
/* set to 2**31-1 so that the limit will never be exceeded. */
/* run_path_option is the system dependent linker option which specifies */
/* the run time path to use when loading dynamic libraries. This should */
/* be set to the null string if the system does not support dynamic */
/* loading of libraries. */
/* shared_libgnat_default gives the system dependent link method that */
/* be used by default for linking libgnat (shared or static) */
/* shared_libgcc_default gives the system dependent link method that */
/* be used by default for linking libgcc (shared or static) */
/* separate_run_path_options is set to 1 when separate "rpath" arguments */
/* must be passed to the linker for each directory in the rpath. */
/* default_libgcc_subdir is the subdirectory name (from the installation */
/* root) where we may find a shared libgcc to use by default. */
#define SHARED 'H'
#define STATIC 'T'
#if defined (__WIN32)
const char *__gnat_object_file_option = "-Wl,@";
const char *__gnat_run_path_option = "";
int __gnat_link_max = 30000;
unsigned char __gnat_objlist_file_supported = 1;
char __gnat_shared_libgnat_default = STATIC;
char __gnat_shared_libgcc_default = STATIC;
const char *__gnat_object_library_extension = ".a";
unsigned char __gnat_separate_run_path_options = 0;
const char *__gnat_default_libgcc_subdir = "lib";
#elif defined (__hpux__)
const char *__gnat_object_file_option = "-Wl,-c,";
const char *__gnat_run_path_option = "-Wl,+b,";
int __gnat_link_max = 5000;
unsigned char __gnat_objlist_file_supported = 1;
char __gnat_shared_libgnat_default = STATIC;
char __gnat_shared_libgcc_default = STATIC;
const char *__gnat_object_library_extension = ".a";
unsigned char __gnat_separate_run_path_options = 0;
const char *__gnat_default_libgcc_subdir = "lib";
#elif defined (__FreeBSD__) || defined (__DragonFly__) \
|| defined (__NetBSD__) || defined (__OpenBSD__) \
|| defined (__QNX__)
const char *__gnat_object_file_option = "-Wl,@";
const char *__gnat_run_path_option = "-Wl,-rpath,";
char __gnat_shared_libgnat_default = STATIC;
char __gnat_shared_libgcc_default = STATIC;
int __gnat_link_max = 8192;
unsigned char __gnat_objlist_file_supported = 1;
const char *__gnat_object_library_extension = ".a";
unsigned char __gnat_separate_run_path_options = 0;
const char *__gnat_default_libgcc_subdir = "lib";
#elif defined (__APPLE__)
const char *__gnat_object_file_option = "-Wl,-filelist,";
const char *__gnat_run_path_option = "-Wl,-rpath,";
char __gnat_shared_libgnat_default = STATIC;
char __gnat_shared_libgcc_default = SHARED;
int __gnat_link_max = 262144;
unsigned char __gnat_objlist_file_supported = 1;
const char *__gnat_object_library_extension = ".a";
unsigned char __gnat_separate_run_path_options = 1;
const char *__gnat_default_libgcc_subdir = "lib";
#elif defined (__linux__) || defined (__GLIBC__)
const char *__gnat_object_file_option = "-Wl,@";
const char *__gnat_run_path_option = "-Wl,-rpath,";
char __gnat_shared_libgnat_default = STATIC;
char __gnat_shared_libgcc_default = STATIC;
int __gnat_link_max = 8192;
unsigned char __gnat_objlist_file_supported = 1;
const char *__gnat_object_library_extension = ".a";
unsigned char __gnat_separate_run_path_options = 0;
#if defined (__x86_64)
# if defined (__LP64__)
const char *__gnat_default_libgcc_subdir = "lib64";
# else
const char *__gnat_default_libgcc_subdir = "libx32";
# endif
#else
const char *__gnat_default_libgcc_subdir = "lib";
#endif
#elif defined (_AIX)
/* On AIX, even when with GNU ld we use native linker switches. This is
particularly important for '-f' as it should be interpreted by collect2. */
const char *__gnat_object_file_option = "-Wl,-f,";
const char *__gnat_run_path_option = "";
char __gnat_shared_libgnat_default = STATIC;
char __gnat_shared_libgcc_default = STATIC;
int __gnat_link_max = 15000;
unsigned char __gnat_objlist_file_supported = 1;
const char *__gnat_object_library_extension = ".a";
unsigned char __gnat_separate_run_path_options = 0;
const char *__gnat_default_libgcc_subdir = "lib";
#elif (HAVE_GNU_LD)
/* These are the settings for all systems that use gnu ld. GNU style response
file is supported, the shared library default is STATIC. */
const char *__gnat_object_file_option = "-Wl,@";
const char *__gnat_run_path_option = "";
char __gnat_shared_libgnat_default = STATIC;
char __gnat_shared_libgcc_default = STATIC;
int __gnat_link_max = 8192;
unsigned char __gnat_objlist_file_supported = 1;
const char *__gnat_object_library_extension = ".a";
unsigned char __gnat_separate_run_path_options = 0;
const char *__gnat_default_libgcc_subdir = "lib";
#elif defined (VMS)
const char *__gnat_object_file_option = "";
const char *__gnat_run_path_option = "";
char __gnat_shared_libgnat_default = STATIC;
char __gnat_shared_libgcc_default = STATIC;
int __gnat_link_max = 2147483647;
unsigned char __gnat_objlist_file_supported = 0;
const char *__gnat_object_library_extension = ".olb";
unsigned char __gnat_separate_run_path_options = 0;
const char *__gnat_default_libgcc_subdir = "lib";
#elif defined (__sun__)
const char *__gnat_object_file_option = "";
const char *__gnat_run_path_option = "-Wl,-R";
char __gnat_shared_libgnat_default = STATIC;
char __gnat_shared_libgcc_default = STATIC;
int __gnat_link_max = 2147483647;
unsigned char __gnat_objlist_file_supported = 0;
const char *__gnat_object_library_extension = ".a";
unsigned char __gnat_separate_run_path_options = 0;
#if defined (__sparc_v9__) || defined (__sparcv9)
const char *__gnat_default_libgcc_subdir = "lib/sparcv9";
#elif defined (__x86_64)
const char *__gnat_default_libgcc_subdir = "lib/amd64";
#else
const char *__gnat_default_libgcc_subdir = "lib";
#endif
#elif defined (__svr4__) && defined (__i386__)
const char *__gnat_object_file_option = "";
const char *__gnat_run_path_option = "";
char __gnat_shared_libgnat_default = STATIC;
char __gnat_shared_libgcc_default = STATIC;
int __gnat_link_max = 2147483647;
unsigned char __gnat_objlist_file_supported = 0;
const char *__gnat_object_library_extension = ".a";
unsigned char __gnat_separate_run_path_options = 0;
const char *__gnat_default_libgcc_subdir = "lib";
#else
/* These are the default settings for all other systems. No response file
is supported, the shared library default is STATIC. */
const char *__gnat_run_path_option = "";
const char *__gnat_object_file_option = "";
char __gnat_shared_libgnat_default = STATIC;
char __gnat_shared_libgcc_default = STATIC;
int __gnat_link_max = 2147483647;
unsigned char __gnat_objlist_file_supported = 0;
const char *__gnat_object_library_extension = ".a";
unsigned char __gnat_separate_run_path_options = 0;
const char *__gnat_default_libgcc_subdir = "lib";
#endif
#ifdef __cplusplus
}
#endif
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