--- a/src/libide/foundry/ide-simple-build-system-discovery.c
+++ b/src/libide/foundry/ide-simple-build-system-discovery.c
@@ -27,6 +27,10 @@
 #endif
 #include <fnmatch.h>
 
+#if !defined(FNM_EXTMATCH)
+#define FNM_EXTMATCH 0
+#endif
+
 #include "ide-simple-build-system-discovery.h"
 
 typedef struct