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-rw-r--r--scripts/kconfig/conf.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 9befa2b..6e09788 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -3,6 +3,8 @@
* Released under the terms of the GNU GPL v2.0.
*/
+#define _XOPEN_SOURCE 700
+
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>