+ obstack_printf(&cppflags_obst, "%s", PREPROCESSOR);
+
+ /* setup default defines */
+ add_flag(&cppflags_obst, "-U__WCHAR_TYPE__");
+ add_flag(&cppflags_obst, "-D__WCHAR_TYPE__=%s", type_to_string(type_wchar_t));
+ add_flag(&cppflags_obst, "-U__SIZE_TYPE__");
+ add_flag(&cppflags_obst, "-D__SIZE_TYPE__=%s", type_to_string(type_size_t));
+
+ /* handle dependency generation */
+ if (dep_target[0] != '\0') {
+ add_flag(&cppflags_obst, "-MF");
+ add_flag(&cppflags_obst, dep_target);
+ if (outname != NULL) {
+ add_flag(&cppflags_obst, "-MQ");
+ add_flag(&cppflags_obst, outname);
+ }
+ }
+ if (flags[0] != '\0') {
+ obstack_printf(&cppflags_obst, " %s", flags);
+ }
+ add_flag(&cppflags_obst, fname);
+
+ obstack_1grow(&cppflags_obst, '\0');
+ const char *buf = obstack_finish(&cppflags_obst);
+ if (verbose) {