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-rw-r--r--tools/backlight_helper.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/backlight_helper.c b/tools/backlight_helper.c
index a00f0d6b..aadb8fac 100644
--- a/tools/backlight_helper.c
+++ b/tools/backlight_helper.c
@@ -1,3 +1,7 @@
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include <stdio.h>
#include <string.h>
#include <stdarg.h>