patching file sysdeps/posix/sysconf.c
Hunk #1 FAILED at 31.
Hunk #2 succeeded at 1205 (offset 15 lines).
1 out of 2 hunks FAILED -- saving rejects to file sysdeps/posix/sysconf.c.rej

Reject file sysdeps/posix/sysconf.c.rej:
--- sysdeps/posix/sysconf.c
+++ sysdeps/posix/sysconf.c
@@ -31,6 +31,7 @@
 #include <sys/types.h>
 #include <sys/uio.h>
 #include <regex.h>
+#include <signal.h>
 #include <sysconf-pthread_stack_min.h>
 
 #define NEED_SPEC_ARRAY 0