- warn if a config file could not be opened

[libfirm] / ir / be / bemain.c

diff --git a/ir/be/bemain.c b/ir/be/bemain.c
index 391d136..6fb7677 100644 (file)
--- a/ir/be/bemain.c
+++ b/ir/be/bemain.c
@@ -881,11 +881,13 @@ void be_main(FILE *file_handle, const char *cup_name)
 
        /* The user specified another config file to read. do that now. */
        if (config_file[0] != '\0') {
-               FILE *f;
+               FILE *f = fopen(config_file, "rt");
 
-               if ((f = fopen(config_file, "rt")) != NULL) {
+               if (f != NULL) {
                        lc_opt_from_file(config_file, f, NULL);
                        fclose(f);
+               } else {
+                       fprintf(stderr, "Warning: Cannot open config file '%s'\n", config_file);
                }
        }