md5, sha1, sha256, sha512: add gl_SET_CRYPTO_CHECK_DEFAULT

[gnulib.git] / lib / gl_list.h

diff --git a/lib/gl_list.h b/lib/gl_list.h
index 58a92de..9094723 100644 (file)
--- a/lib/gl_list.h
+++ b/lib/gl_list.h
@@ -21,6 +21,9 @@
 #include <stdbool.h>
 #include <stddef.h>
 
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
+#endif
 _GL_INLINE_HEADER_BEGIN
 #ifndef GL_LIST_INLINE
 # define GL_LIST_INLINE _GL_INLINE