macos: add some macros to replace few __builtin_xxx functions used in headers.

Christian Jullien committed 6 years ago

Commit 6b2bed41 parent 15e4f8b1 file · +7 −1Browse files

Unified · Split

@@ -948,7 +948,13 @@ LIBTCCAPI TCCState *tcc_new(void) · 947 unmodified lines
948	tcc_define_symbol(s, "__GNUC__", "4"); /* darwin emits warning on GCC<4 */	948	tcc_define_symbol(s, "__GNUC__", "4"); /* darwin emits warning on GCC<4 */
949	tcc_define_symbol(s, "__APPLE_CC__", "1"); /* for <TargetConditionals.h> */	949	tcc_define_symbol(s, "__APPLE_CC__", "1"); /* for <TargetConditionals.h> */
950	tcc_define_symbol(s, "__builtin_alloca", "alloca"); /* as we claim GNUC */	950	tcc_define_symbol(s, "__builtin_alloca", "alloca"); /* as we claim GNUC */
951		951	/* used by math.h */
		952	tcc_define_symbol(s, "__builtin_huge_val()", "1e500");
		953	tcc_define_symbol(s, "__builtin_huge_valf()", "1e50f");
		954	tcc_define_symbol(s, "__builtin_huge_vall()", "1e5000L");
		955	tcc_define_symbol(s, "__builtin_nanf(ignored_string)", "__nan()");
		956	/* used by _fd_def.h */
		957	tcc_define_symbol(s, "__builtin_bzero(p, ignored_size)", "bzero(p, sizeof(*(p)))");
952	/* avoids usage of GCC/clang specific builtins in libc-headerfiles: */	958	/* avoids usage of GCC/clang specific builtins in libc-headerfiles: */
953	tcc_define_symbol(s, "__FINITE_MATH_ONLY__", "1");	959	tcc_define_symbol(s, "__FINITE_MATH_ONLY__", "1");
954	tcc_define_symbol(s, "_FORTIFY_SOURCE", "0");	960	tcc_define_symbol(s, "_FORTIFY_SOURCE", "0");