This file uses isspace but doesn't include ctype.h leading to:
isomac.c: In function 'get_null_defines':
isomac.c:305:30: warning: implicit declaration of function 'isspace' [-Wimplicit-function-declaration]
for (end = start + 1; !isspace (*end) && *end != '\0'; ++end)
+2015-08-06 Mike Frysinger <vapier@gentoo.org>
+
+ * stdlib/isomac.c: Include ctype.h.
+
2015-08-06 Arjun Shankar <arjun.is@lostca.se>
* dirent/tst-seekdir.c (main): Converted to ...
# define _GNU_SOURCE 1
#endif
+#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>