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macOS: get active SDK path from xcode-select

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This commit is contained in:
Sushant Pandurangi 2021-07-06 22:48:38 +02:00
parent d5e4b258e1
commit cca4ece0a8
2 changed files with 37 additions and 16 deletions
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29
libtcc.c
View File

@ -855,6 +855,29 @@ LIBTCCAPI void tcc_delete(TCCState *s1)
#endif
}
/* Looks for the active developer SDK set by xcode-select (or the default
one set during installation.) */
#define SZPAIR(s) s "", sizeof(s)-1
ST_FUNC int tcc_add_macos_sdkpath(TCCState* s)
{
char *sdkroot = NULL, *pos = NULL;
void* xcs = dlopen("libxcselect.dylib", RTLD_GLOBAL | RTLD_LAZY);
CString path = {};
int (*f)(unsigned int, char**) = dlsym(xcs, "xcselect_host_sdk_path");
if (f) f(1, &sdkroot);
if (!sdkroot) return -1;
pos = strstr(sdkroot,"SDKs/MacOSX");
if (!pos) return -1;
cstr_cat(&path, sdkroot, pos-sdkroot);
cstr_cat(&path, SZPAIR("SDKs/MacOSX.sdk/usr/lib\0") );
tcc_add_library_path(s, (char*)path.data);
cstr_free(&path);
tcc_free(sdkroot);
return 0;
}
#undef SZPAIR
LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type)
{
s->output_type = output_type;
@ -881,7 +904,11 @@ LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type)
}
tcc_add_library_path(s, CONFIG_TCC_LIBPATHS);
#ifdef TCC_TARGET_MACHO
if (tcc_add_macos_sdkpath(s) != 0) {
tcc_add_library_path(s, CONFIG_OSX_SDK_FALLBACK);
}
#endif
#ifdef TCC_TARGET_PE
# ifdef _WIN32
if (!s->nostdlib && output_type != TCC_OUTPUT_OBJ)

24
tcc.h
View File

@ -247,12 +247,6 @@ extern long double strtold (const char *__nptr, char **__endptr);
# define ALSO_TRIPLET(s) s
#endif
/* FIXME: do this at runtime instead; check output of `xcode-select -p`. libxcselect provides this stuff */
#ifndef CONFIG_OSX_SDK1
# define CONFIG_OSX_SDK1 "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk"
# define CONFIG_OSX_SDK2 "/Applications/Xcode.app/Developer/SDKs/MacOSX.sdk"
#endif
/* path to find crt1.o, crti.o and crtn.o */
#ifndef CONFIG_TCC_CRTPREFIX
# define CONFIG_TCC_CRTPREFIX USE_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR)
@ -281,18 +275,18 @@ extern long double strtold (const char *__nptr, char **__endptr);
# ifdef TCC_TARGET_PE
# define CONFIG_TCC_LIBPATHS "{B}/lib"
# else
# ifdef TCC_TARGET_MACHO
# define CONFIG_TCC_LIBPATHS \
ALSO_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) \
":" ALSO_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) \
":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR)\
":" ALSO_TRIPLET(CONFIG_OSX_SDK1 "/usr/" CONFIG_LDDIR) \
":" ALSO_TRIPLET(CONFIG_OSX_SDK2 "/usr/" CONFIG_LDDIR)
# else
# define CONFIG_TCC_LIBPATHS \
# define CONFIG_TCC_LIBPATHS \
ALSO_TRIPLET(CONFIG_SYSROOT "/usr/" CONFIG_LDDIR) \
":" ALSO_TRIPLET(CONFIG_SYSROOT "/" CONFIG_LDDIR) \
":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/" CONFIG_LDDIR)
# ifdef TCC_TARGET_MACHO
# define CONFIG_OSX_SDK1 \
"/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk"
# define CONFIG_OSX_SDK2 \
"/Applications/Xcode.app/Developer/SDKs/MacOSX.sdk"
# define CONFIG_OSX_SDK_FALLBACK \
ALSO_TRIPLET(CONFIG_OSX_SDK1 "/usr/" CONFIG_LDDIR) \
":" ALSO_TRIPLET(CONFIG_OSX_SDK2 "/usr/" CONFIG_LDDIR)
# endif
# endif
#endif