From: Benjamin Berg benjamin.berg@intel.com
There is no errno variable when NOLIBC_IGNORE_ERRNO is defined. As such, the perror function does not make any sense then and cannot compile.
Fixes: acab7bcdb1bc ("tools/nolibc/stdio: add perror() to report the errno value") Signed-off-by: Benjamin Berg benjamin.berg@intel.com --- tools/include/nolibc/stdio.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/tools/include/nolibc/stdio.h b/tools/include/nolibc/stdio.h index 7630234408c5..c512159b8374 100644 --- a/tools/include/nolibc/stdio.h +++ b/tools/include/nolibc/stdio.h @@ -597,11 +597,13 @@ int sscanf(const char *str, const char *format, ...) return ret; }
+#ifndef NOLIBC_IGNORE_ERRNO static __attribute__((unused)) void perror(const char *msg) { fprintf(stderr, "%s%serrno=%d\n", (msg && *msg) ? msg : "", (msg && *msg) ? ": " : "", errno); } +#endif
static __attribute__((unused)) int setvbuf(FILE *stream __attribute__((unused)),