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Add support for -dumpmachine option.

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Better compatibility with some build systems assuming gcc.
This commit is contained in:
Reimar Döffinger 2023-10-29 15:55:16 +01:00
parent 7a53029e4d
commit 32ac23656f
1 changed files with 36 additions and 0 deletions
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36
libtcc.c
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@ -1582,6 +1582,7 @@ enum {
TCC_OPTION_ba, TCC_OPTION_ba,
TCC_OPTION_g, TCC_OPTION_g,
TCC_OPTION_c, TCC_OPTION_c,
TCC_OPTION_dumpmachine,
TCC_OPTION_dumpversion, TCC_OPTION_dumpversion,
TCC_OPTION_d, TCC_OPTION_d,
TCC_OPTION_static, TCC_OPTION_static,
@ -1659,6 +1660,7 @@ static const TCCOption tcc_options[] = {
#ifdef TCC_TARGET_MACHO #ifdef TCC_TARGET_MACHO
{ "dynamiclib", TCC_OPTION_dynamiclib, 0 }, { "dynamiclib", TCC_OPTION_dynamiclib, 0 },
#endif #endif
{ "dumpmachine", TCC_OPTION_dumpmachine, 0},
{ "dumpversion", TCC_OPTION_dumpversion, 0}, { "dumpversion", TCC_OPTION_dumpversion, 0},
{ "d", TCC_OPTION_d, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, { "d", TCC_OPTION_d, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
{ "static", TCC_OPTION_static, 0 }, { "static", TCC_OPTION_static, 0 },
@ -2138,6 +2140,40 @@ dorun:
case TCC_OPTION_MP: case TCC_OPTION_MP:
s->gen_phony_deps = 1; s->gen_phony_deps = 1;
break; break;
case TCC_OPTION_dumpmachine:
/* this is a best guess, please refine as necessary */
printf("%s",
#ifdef TCC_TARGET_I386
"i386-pc"
#elif defined TCC_TARGET_X86_64
"x86_64-pc"
#elif defined TCC_TARGET_C67
"c67"
#elif defined TCC_TARGET_ARM
"arm"
#elif defined TCC_TARGET_ARM64
"aarch64"
#elif defined TCC_TARGET_RISCV64
"riscv64"
#endif
"-"
#ifdef TCC_TARGET_PE
"mingw32"
#elif defined(TCC_TARGET_MACHO)
"apple-darwin"
#elif TARGETOS_FreeBSD || TARGETOS_FreeBSD_kernel
"freebsd"
#elif TARGETOS_OpenBSD
"openbsd"
#elif TARGETOS_NetBSD
"netbsd"
#else
"linux-gnu"
#endif
"\n"
);
exit(0);
break;
case TCC_OPTION_dumpversion: case TCC_OPTION_dumpversion:
printf ("%s\n", TCC_VERSION); printf ("%s\n", TCC_VERSION);
exit(0); exit(0);