headers: check that _GL_INLINE_HEADER_BEGIN is defined

[gnulib.git] / lib / utimens.h

diff --git a/lib/utimens.h b/lib/utimens.h
index 82a72a7..f1633c9 100644 (file)
--- a/lib/utimens.h
+++ b/lib/utimens.h
@@ -26,6 +26,9 @@ int lutimens (char const *, struct timespec const [2]);
 # include <fcntl.h>
 # include <sys/stat.h>
 
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
+#endif
 _GL_INLINE_HEADER_BEGIN
 #ifndef _GL_UTIMENS_INLINE
 # define _GL_UTIMENS_INLINE _GL_INLINE