1 files changed, 2 insertions, 1 deletions
diff --git a/configure b/configure
index fccfcea0..62f0413d 100755
--- a/configure
+++ b/configure
@@ -10018,7 +10018,8 @@ esac
 for ac_func in atexit btowc fmod getgrent getgroups grantpt \
 	isascii iswctype iswlower iswupper mbrlen \
 	memcmp memcpy memcpy_ulong memmove memset \
-	memset_ulong mkstemp posix_openpt setenv setlocale setsid snprintf strchr \
+	memset_ulong mkstemp posix_openpt setenv setlocale setsid sigprocmask \
+	snprintf strchr \
 	strerror strftime strncasecmp strcoll strtod strtoul \
 	system tmpfile towlower towupper tzset usleep waitpid wcrtomb \
 	wcscoll wctype