From f021bd3d1122e423a17014bec58e7a593fcdcd9a Mon Sep 17 00:00:00 2001
From: Pedro Gonnet <pedro.gonnet@durham.ac.uk>
Date: Tue, 2 Oct 2012 17:33:38 +0000
Subject: [PATCH] straight-forward check for zlib.

Former-commit-id: 15e275663d2e1d341bbc7d61529099cfd6e2ebbf
---
 configure.in | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/configure.in b/configure.in
index 45e05dd36b..73d2485868 100644
--- a/configure.in
+++ b/configure.in
@@ -58,7 +58,10 @@ ACX_PTHREAD([LIBS="$PTHREAD_LIBS $LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
     non-standard location.]))
     
 # check for zlib
-AX_CHECK_ZLIB()
+AC_CHECK_LIB(z,gzopen,[
+    AC_DEFINE([HAVE_LIBZ],[1],[Set to 1 if zlib is installed.])
+    LDFLAGS="$LDFLAGS -lz"
+    ],[])
 
 # check for memalign
 AX_FUNC_POSIX_MEMALIGN
-- 
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