headers: check that _GL_INLINE_HEADER_BEGIN is defined

[gnulib.git] / lib / timespec.h

diff --git a/lib/timespec.h b/lib/timespec.h
index d665e6c..5990d07 100644 (file)
--- a/lib/timespec.h
+++ b/lib/timespec.h
@@ -21,6 +21,9 @@
 
 # include <time.h>
 
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
+#endif
 _GL_INLINE_HEADER_BEGIN
 #ifndef _GL_TIMESPEC_INLINE
 # define _GL_TIMESPEC_INLINE _GL_INLINE