diff --git a/configure.in b/configure.in
index 2784cb931b..ce73845001 100644
--- a/configure.in
+++ b/configure.in
@@ -2337,6 +2337,8 @@ AC_CHECK_FUNCS(		\
 	lockf			\
 	memcpy			\
 	memmove			\
+	mkstemp			\
+	mktemp			\
 	pipe			\
 	read			\
 	recv			\
diff --git a/libraries/liblutil/utils.c b/libraries/liblutil/utils.c
index 8d5fe6b479..a3008a38d5 100644
--- a/libraries/liblutil/utils.c
+++ b/libraries/liblutil/utils.c
@@ -8,6 +8,7 @@
 
 #include <ac/stdlib.h>
 #include <ac/string.h>
+#include <ac/unistd.h>
 #ifdef HAVE_FCNTL_H
 #include <fcntl.h>
 #endif
@@ -33,6 +34,10 @@ char* lutil_progname( const char* name, int argc, char *argv[] )
 #ifndef HAVE_MKSTEMP
 int mkstemp( char * template )
 {
+#ifdef HAVE_MKTEMP
 	return open ( mktemp ( template ), O_RDWR|O_CREAT|O_EXCL, 0600 );
+#else
+	return -1
+#endif
 }
 #endif