- add missing initialization of have_const_functions

[cparser] / main.c

diff --git a/main.c b/main.c
index d20f550..1dd4976 100644 (file)
--- 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);
                        }