-# gc.m4 serial 8
-dnl Copyright (C) 2005-2006, 2009-2012 Free Software Foundation, Inc.
+# gc.m4 serial 9
+dnl Copyright (C) 2005-2014 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_GC],
[
+ AC_SUBST([LIB_CRYPTO])
AC_ARG_WITH([libgcrypt],
AS_HELP_STRING([--with-libgcrypt], [use libgcrypt for low-level crypto]),
libgcrypt=$withval, libgcrypt=no)
if test "$libgcrypt" != no; then
- AC_LIB_HAVE_LINKFLAGS([gcrypt], [gpg-error], [#include <gcrypt.h>])
+ AC_LIB_HAVE_LINKFLAGS([gcrypt], [gpg-error], [
+#include <gcrypt.h>
+/* GCRY_MODULE_ID_USER was added in 1.4.4 and gc-libgcrypt.c
+ will fail on startup if we don't have 1.4.4 or later, so
+ test for it early. */
+#if !defined GCRY_MODULE_ID_USER
+error too old libgcrypt
+#endif
+])
fi
])