1 files changed, 4 insertions, 0 deletions
diff --git a/src/diff.c b/src/diff.c
index 9a87d81..a589504 100644
--- a/src/diff.c
+++ b/src/diff.c
@@ -18,6 +18,10 @@
   Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 ***/
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
 #include <assert.h>
 #include <string.h>
 #include <stdlib.h>