md5, sha1, sha256, sha512: add gl_SET_CRYPTO_CHECK_DEFAULT

[gnulib.git] / lib / sig-handler.h

diff --git a/lib/sig-handler.h b/lib/sig-handler.h
index ca9f979..67d061d 100644 (file)
--- a/lib/sig-handler.h
+++ b/lib/sig-handler.h
@@ -20,6 +20,9 @@
 
 #include <signal.h>
 
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
+#endif
 _GL_INLINE_HEADER_BEGIN
 #ifndef SIG_HANDLER_INLINE
 # define SIG_HANDLER_INLINE _GL_INLINE