; lang.opt -- Options for the D front end. ; Copyright (C) 2006-2020 Free Software Foundation, Inc. ; ; GCC is free software; you can redistribute it and/or modify it under ; the terms of the GNU General Public License as published by the Free ; Software Foundation; either version 3, or (at your option) any later ; version. ; ; GCC is distributed in the hope that it will be useful, but WITHOUT 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 ; along with GCC; see the file COPYING3. If not see ; . ; See the GCC internals manual for a description of this file's format. ; Please try to keep this file in ASCII collating order. Language D -dependencies D Alias(M) ; Documented in C -print-missing-file-dependencies D Alias(MG) ; Documented in C -user-dependencies D Alias(MM) ; Documented in C -write-dependencies D NoDriverArg Separate Alias(MD) ; Documented in C -write-user-dependencies D NoDriverArg Separate Alias(MMD) ; Documented in C H D ; Different from documented use in C. Hd D Joined Separate -Hd Write D interface files to directory . Hf D Joined Separate -Hf Write D interface to . I D Joined Separate ; Documented in C J D Joined Separate ; Different from documented use in Fortran. M D ; Documented in C MD D Separate NoDriverArg ; Documented in C MF D Joined Separate ; Documented in C MG D ; Documented in C MM D ; Documented in C MMD D Separate NoDriverArg ; Documented in C MP D ; Documented in C MT D Joined Separate ; Documented in C MQ D Joined Separate ; Documented in C Waddress D Warning Var(warn_address) ; Documented in C Wall D ; Documented in C Walloca D ; Documented in C Walloca-larger-than= D ; Documented in C Wno-alloca-larger-than D ; Documented in C Wcast-result D Warning Var(warn_cast_result) Warn about casts that will produce a null result. Wdeprecated D ; Documented in common.opt Werror D ; Documented in common.opt Wpsabi D ; Documented in C Wspeculative D Warn from speculative compiles such as __traits(compiles). Wtemplates D ; Documented in C Wunknown-pragmas D LangEnabledBy(D, Wall) ; Documented in C X D Generate JSON file. Xf D Joined Separate -Xf Write JSON output to the given . debuglib= Driver Joined Debug library to use instead of phobos. defaultlib= Driver Joined Default library to use instead of phobos. dstartfiles Driver Do link the standard D startup files in the compilation. -verbose D Alias(v) fall-instantiations D Generate code for all template instantiations. fassert D Var(flag_assert) Generate code for assert contracts. fbounds-check D ; Documented in common.opt fbounds-check= D Joined RejectNegative Enum(bounds_check) Var(flag_bounds_check) -fbounds-check=[on|safeonly|off] Turn array bounds checks on, in @safe code only, or off. Enum Name(bounds_check) Type(int) UnknownError(unknown array bounds setting %qs) EnumValue Enum(bounds_check) String(off) Value(0) EnumValue Enum(bounds_check) String(safeonly) Value(1) EnumValue Enum(bounds_check) String(on) Value(2) ; Generates a secondary ModuleInfo symbol for linking in unittests fbuilding-libphobos-tests D Undocumented Var(flag_building_libphobos_tests) fbuiltin D Var(flag_no_builtin, 0) ; Documented in C fdebug D Compile in debug code. fdebug= D Joined RejectNegative -fdebug= Compile in debug code, code <= , or code identified by . fdoc D Generate documentation. fdoc-dir= D Joined RejectNegative -fdoc-dir= Write documentation file to directory . fdoc-file= D Joined RejectNegative -fdoc-file= Write documentation to . fdoc-inc= D Joined RejectNegative -fdoc-inc= Include a Ddoc macro . fdruntime D Assume that standard D runtime libraries and \"D main\" exist. fdump-d-original D Display the frontend AST after parsing and semantic passes. fignore-unknown-pragmas D Ignore unsupported pragmas. finvariants D Var(flag_invariants) Generate code for class invariant contracts. fmain D RejectNegative Generate a default D main() function when compiling. fmodule-file= D Joined RejectNegative -fmodule-file== use as source file for . fmoduleinfo D Var(flag_moduleinfo) Generate ModuleInfo struct for output module. fonly= D Joined RejectNegative Process all modules specified on the command line, but only generate code for the module specified by the argument. fpostconditions D Var(flag_postconditions) Generate code for postcondition contracts. fpreconditions D Var(flag_preconditions) Generate code for precondition contracts. frelease D Compile release version. frtti D ; Documented in C fswitch-errors D Var(flag_switch_errors) Generate code for switches without a default case. ftransition=all D RejectNegative List information on all language changes. ftransition=checkimports D RejectNegative Give deprecation messages about -ftransition=import anomalies. ftransition=complex D RejectNegative List all usages of complex or imaginary types. ftransition=dip1000 D RejectNegative Implement DIP1000: Scoped pointers (experimental). ftransition=dip25 D RejectNegative Implement DIP25: Sealed references (experimental). ftransition=field D RejectNegative List all non-mutable fields which occupy an object instance. ftransition=import D RejectNegative Revert to single phase name lookup. ftransition=nogc D RejectNegative List all hidden GC allocations. ftransition=tls D RejectNegative List all variables going into thread local storage. funittest D Compile in unittest code. fversion= D Joined RejectNegative -fversion= Compile in version code >= or identified by . fweak D Var(flag_weak) Init(1) Emit common-like symbols as weak symbols. imultilib D Joined Separate ; Documented in C iprefix D Joined Separate ; Documented in C isysroot D Joined Separate ; Documented in C isystem D Joined Separate ; Documented in C nophoboslib Driver Do not link the standard D library in the compilation. nostdinc D ; Documented in C static-libphobos Driver Link the standard D library statically in the compilation. shared-libphobos Driver Link the standard D library dynamically in the compilation. v D ; Documented in C