X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=main.c;h=1dd4976e27a1b474c19fb071cb8c8bf1dc857ed8;hb=e53f30472457acff3fcac2c70385307c70e41873;hp=d20f55044c54cef8c64faecbfb14c351309b22b9;hpb=39d77755505466f0db924cb252bc6dc345c33afb;p=cparser

diff --git a/main.c b/main.c
index d20f550..1dd4976 100644
--- a/main.c
+++ b/main.c
@@ -80,7 +80,11 @@
 #include "warning.h"
 
 #ifndef PREPROCESSOR
-#define PREPROCESSOR "cpp -std=c99 -U__WCHAR_TYPE__ -D__WCHAR_TYPE__=int -U__SIZE_TYPE__ -D__SIZE_TYPE__=__SIZE_TYPE__ -m32 -U__STRICT_ANSI__"
+#ifdef __APPLE__
+#define PREPROCESSOR "gcc -E -std=c99 -U__WCHAR_TYPE__ -D__WCHAR_TYPE__=int -U__SIZE_TYPE__ -D__SIZE_TYPE__=unsigned\\ long -m32 -U__STRICT_ANSI__"
+#else
+#define PREPROCESSOR "cpp -std=c99 -U__WCHAR_TYPE__ -D__WCHAR_TYPE__=int -U__SIZE_TYPE__ -D__SIZE_TYPE__=unsigned\\ long -m32 -U__STRICT_ANSI__"
+#endif
 #endif
 
 #ifndef LINKER
@@ -88,8 +92,12 @@
 #endif
 
 #ifndef ASSEMBLER
+#ifdef __APPLE__
+#define ASSEMBLER "gcc -c -xassembler"
+#else
 #define ASSEMBLER "as --32"
 #endif
+#endif
 
 /** The current c mode/dialect. */
 unsigned int c_mode = _C89|_C99|_GNUC;
@@ -106,6 +114,9 @@ bool strict_mode = false;
 /** use builtins for some libc functions */
 bool use_builtins = false;
 
+/** we have extern function with const attribute. */
+bool have_const_functions = false;
+
 /* to switch on printing of implicit casts */
 extern bool print_implicit_casts;
 
@@ -559,11 +570,11 @@ int main(int argc, char **argv)
 	default:
 	case 4:
 		set_option("strict-aliasing");
+		/* use_builtins = true; */
 		/* fallthrough */
 	case 3:
 		set_option("cond-eval");
 		set_option("if-conv");
-		use_builtins = true;
 		/* fallthrough */
 	case 2:
 		set_option("inline");
@@ -572,6 +583,11 @@ int main(int argc, char **argv)
 		break;
 	}
 
+#ifdef __APPLE__
+	/* Darwin expects the stack to be aligned to 16byte boundary */
+	firm_be_option("ia32-stackalign=4");
+#endif
+
 	/* parse rest of options */
 	filetype_t  forced_filetype = FILETYPE_AUTODETECT;
 	bool        help_displayed  = false;
@@ -664,6 +680,8 @@ int main(int argc, char **argv)
 
 					if (streq(opt, "dollars-in-identifiers")) {
 						allow_dollar_in_symbol = truth_value;
+					} if (streq(opt, "builtins")) {
+						use_builtins = truth_value;
 					} else if (streq(opt, "short-wchar")) {
 						opt_short_wchar_t = truth_value;
 					} else if (streq(opt, "syntax-only")) {
@@ -1116,7 +1134,7 @@ int main(int argc, char **argv)
 			}
 
 			gen_firm_finish(asm_out, filename, /*c_mode=*/1,
-			                /*firm_const_exists=*/0);
+			                have_const_functions);
 			if (asm_out != out) {
 				fclose(asm_out);
 			}