From ded85b765134054b8f53c6d08b100d67afdadf16 Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Sun, 13 May 2012 22:01:54 +0100
Subject: [PATCH] configure.ac: Don't let the LIBS setting leak out.

Otherwise binaries will be linked against Nettle unnecessarily.
---
 configure.ac | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index b360139..45ddbb6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -43,12 +43,13 @@ PKG_CHECK_MODULES([nettle], [nettle >= 2.4], [], [
   ## That didn't work; unfortunately older Nettle packages don't have a
   ## pkg-config dropping.  Let's see whether it will work anyway.
   nettlep=t
+  save_LIBS=$LIBS
   AC_CHECK_HEADER([nettle/sha.h], [], [nettlep=nil])
   AC_CHECK_LIB([nettle], [nettle_sha256_init], [], [nettlep=nil])
   case $nettlep in
     nil) AC_MSG_ERROR([Failed to find Nettle library.]) ;;
   esac
-  nettle_CFLAGS= nettle_LIBS=-lnettle])
+  nettle_CFLAGS= nettle_LIBS=-lnettle LIBS=$save_LIBS])
 
 dnl--------------------------------------------------------------------------
 dnl Perl programming environment.
-- 
2.11.0