Spell the option -Wpointer-arith, not -Wpointer_arith.
[cparser] / main.c
diff --git a/main.c b/main.c
index a4eafe7..2497541 100644 (file)
--- a/main.c
+++ b/main.c
 #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
 #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;
@@ -112,8 +120,10 @@ extern bool print_implicit_casts;
 /* to switch on printing of parenthesis to indicate operator precedence */
 extern bool print_parenthesis;
 
-static int            verbose;
-static struct obstack cppflags_obst, ldflags_obst;
+static int             verbose;
+static struct obstack  cppflags_obst, ldflags_obst;
+static char            dep_target[1024];
+static const char     *outname;
 
 typedef struct file_list_entry_t file_list_entry_t;
 
@@ -253,11 +263,25 @@ static void add_flag(struct obstack *obst, const char *format, ...)
 
 static FILE *preprocess(const char *fname)
 {
-       char buf[4096];
        obstack_1grow(&cppflags_obst, '\0');
        const char *flags = obstack_finish(&cppflags_obst);
 
-       snprintf(buf, sizeof(buf), PREPROCESSOR " %s %s", flags, fname);
+       obstack_printf(&cppflags_obst, "%s", PREPROCESSOR);
+       if (dep_target[0] != '\0') {
+               add_flag(&cppflags_obst, "-MF");
+               add_flag(&cppflags_obst, "%s", dep_target);
+               if (outname != NULL) {
+                               add_flag(&cppflags_obst, "-MQ");
+                               add_flag(&cppflags_obst, "%s", outname);
+               }
+       }
+       if (flags[0] != '\0') {
+               obstack_printf(&cppflags_obst, " %s", flags);
+       }
+       add_flag(&cppflags_obst, "%s", fname);
+
+       obstack_1grow(&cppflags_obst, '\0');
+       const char *buf = obstack_finish(&cppflags_obst);
        if(verbose) {
                puts(buf);
        }
@@ -267,6 +291,7 @@ static FILE *preprocess(const char *fname)
                fprintf(stderr, "invoking preprocessor failed\n");
                exit(1);
        }
+
        return f;
 }
 
@@ -486,14 +511,14 @@ int main(int argc, char **argv)
 {
        initialize_firm();
 
-       const char        *outname      = NULL;
-       const char        *dumpfunction = NULL;
-       compile_mode_t     mode         = CompileAssembleLink;
-       int                opt_level    = 1;
-       int                result       = EXIT_SUCCESS;
-       char               cpu_arch[16] = "ia32";
-       file_list_entry_t *files        = NULL;
-       file_list_entry_t *last_file    = NULL;
+       const char        *dumpfunction         = NULL;
+       compile_mode_t     mode                 = CompileAssembleLink;
+       int                opt_level            = 1;
+       int                result               = EXIT_SUCCESS;
+       char               cpu_arch[16]         = "ia32";
+       file_list_entry_t *files                = NULL;
+       file_list_entry_t *last_file            = NULL;
+       bool               construct_dep_target = false;
        struct obstack     file_obst;
 
        obstack_init(&cppflags_obst);
@@ -555,6 +580,11 @@ 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;
@@ -614,8 +644,10 @@ int main(int argc, char **argv)
                                mode = PreprocessOnly;
                                add_flag(&cppflags_obst, "-M");
                        } else if (streq(option, "MMD") ||
-                                  streq(option, "MD")  ||
-                                  streq(option, "MM")  ||
+                                  streq(option, "MD")) {
+                           construct_dep_target = true;
+                               add_flag(&cppflags_obst, "-%s", option);
+                       } else if(streq(option, "MM")  ||
                                   streq(option, "MP")) {
                                add_flag(&cppflags_obst, "-%s", option);
                        } else if (streq(option, "MT") ||
@@ -652,7 +684,7 @@ int main(int argc, char **argv)
                                        } else if (streq(opt, "omit-frame-pointer")) {
                                                set_be_option(truth_value ? "omitfp" : "omitfp=no");
                                        } else if (streq(opt, "strength-reduce")) {
-                                               firm_option("strength-red");
+                                               firm_option(truth_value ? "strength-red" : "no-strength-red");
                                        } else if (streq(opt, "fast-math")               ||
                                                   streq(opt, "jump-tables")             ||
                                                   streq(opt, "unroll-loops")            ||
@@ -912,6 +944,16 @@ int main(int argc, char **argv)
        init_parser();
        init_ast2firm();
 
+       if (construct_dep_target) {
+               if (outname != 0 && strlen(outname) >= 2) {
+                       get_output_name(dep_target, sizeof(dep_target), outname, ".d");
+               } else {
+                       get_output_name(dep_target, sizeof(dep_target), files->name, ".d");
+               }
+       } else {
+               dep_target[0] = '\0';
+       }
+
        char outnamebuf[4096];
        if (outname == NULL) {
                const char *filename = files->name;