diff --git a/libraries/AP_Common/missing/fcntl.h b/libraries/AP_Common/missing/fcntl.h
new file mode 100644
index 0000000000..a942f06a41
--- /dev/null
+++ b/libraries/AP_Common/missing/fcntl.h
@@ -0,0 +1,9 @@
+#include_next <fcntl.h>
+
+/*
+ * we only want to define as 0 for those targets in which it doesn't make
+ * sense
+ */
+#if defined(HAVE_OCLOEXEC) && HAVE_OCLOEXEC == 0
+#define O_CLOEXEC 0
+#endif