1 files changed, 1 insertions, 1 deletions
diff --git a/configure b/configure
index 668831b3c5..7fc4a68b70 100755
--- a/configure
+++ b/configure
@@ -2922,7 +2922,7 @@ done
 
 echocheck "mkstemp"
 _mkstemp=no
-define_statement_check "_XOPEN_SOURCE 500" "stdlib.h" 'mkstemp("")' && _mkstemp=yes
+define_statement_check "_XOPEN_SOURCE 600" "stdlib.h" 'mkstemp("")' && _mkstemp=yes
 if test "$_mkstemp" = yes ; then
   def_mkstemp='#define HAVE_MKSTEMP 1'
 else