From 94949efc89245ad8234d704ebb453e2f77605fd3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
Date: Tue, 4 Dec 2012 17:35:55 +0100
Subject: [PATCH 2/2] Don't fail with missing gcrypt macros.

---
 configure.ac | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/configure.ac b/configure.ac
index d0003bb..e804fdc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -412,12 +412,14 @@ AC_ARG_ENABLE([gcrypt],
                 [have_gcrypt=auto])
 
 if test "x${have_gcrypt}" != xno ; then
+m4_ifdef([AM_PATH_LIBGCRYPT], [
         AM_PATH_LIBGCRYPT(
                 [1.4.5],
                 [have_gcrypt=yes],
                 [if test "x$have_gcrypt" = xyes ; then
                         AC_MSG_ERROR([*** GCRYPT headers not found.])
                 fi])
+])
 
         if test "x$have_gcrypt" = xyes ; then
                 GCRYPT_LIBS="$LIBGCRYPT_LIBS"
-- 
1.8.0