further fixes for MMD handling

[r21635]

diff --git a/main.c b/main.c
index 339a1cf..d20f550 100644 (file)
--- a/main.c
+++ b/main.c
@@ -115,6 +115,7 @@ extern bool print_parenthesis;
 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;
 
@@ -259,12 +260,17 @@ static FILE *preprocess(const char *fname)
 
        obstack_printf(&cppflags_obst, "%s", PREPROCESSOR);
        if (dep_target[0] != '\0') {
-               obstack_printf(&cppflags_obst, " -MF %s", dep_target);
+               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);
        }
-       obstack_printf(&cppflags_obst, " %s", fname);
+       add_flag(&cppflags_obst, "%s", fname);
 
        obstack_1grow(&cppflags_obst, '\0');
        const char *buf = obstack_finish(&cppflags_obst);
@@ -497,7 +503,6 @@ 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;