build system: avoid build failure during bisection
No binary (build failed)
—
(log yok)
| @@ -131,7 +131,7 @@ int main(int argc, const char * argv []) | |
| is_same = 0; | |
| if ((fp_target = fopen(ptarget, "r")) != NULL) | |
| { | |
| - | if (!fgets(old_line, buffer_size, fp_target)) |
| + | if (!fgets(old_line, buffer_size, fp_target) && ferror(fp_target)) |
| ERROR_EXIT(ptarget); | |
| if (fclose(fp_target) != 0) | |
| ERROR_EXIT(ptarget); | |