Use %m, not strerror, and strerror(err) was broken anyways and should have been strerror(errno). Problem noted by Alexey V. Neyman
No binary (build failed)
—
(log yok)
| @@ -1261,7 +1261,7 @@ static int pseudo_exec(struct child_prog *child) | |
| /* Do not use perror_msg_and_die() here, since we must not | |
| * call exit() but should call _exit() instead */ | |
| - | fprintf(stderr, "%s: %s\n", child->argv[0], strerror(err)); |
| + | fprintf(stderr, "%s: %m\n", child->argv[0]); |
| _exit(EXIT_FAILURE); | |
| } | |