From 43b65d355ae3b9d2780f7e6998ff25900fe262ab Mon Sep 17 00:00:00 2001
From: Daniel Borkmann <dborkman@redhat.com>
Date: Mon, 8 Jul 2013 10:32:50 +0200
Subject: config: check for libz

Add a configure extension to check for libz that is needed for the
geoip updater.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
---
 configure | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

(limited to 'configure')

diff --git a/configure b/configure
index f5b7732..a49ed78 100755
--- a/configure
+++ b/configure
@@ -70,7 +70,6 @@ EOF
 		echo "CONFIG_NACL_INC_DIR:=$NACL_INC_DIR" >> Config
 		echo "CONFIG_NACL_LIB_DIR:=$NACL_LIB_DIR" >> Config
 	fi
-
 }
 
 check_libnl()
@@ -195,7 +194,6 @@ EOF
 	else
 		echo "[YES]"
 	fi
-
 }
 
 check_libnf_ct()
@@ -221,8 +219,30 @@ EOF
 	else
 		echo "[YES]"
 	fi
+}
+
+check_zlib()
+{
+	echo -n "[*] Checking libz ... "
 
+	cat > $TMPDIR/ztest.c << EOF
+#include "zlib.h"
+
+void main(void)
+{
+	gzFile fp;
 }
+EOF
+
+	$CC -o $TMPDIR/ztest $TMPDIR/ztest.c >> $TMPDIR/config.log 2>&1
+	if [ ! -x $TMPDIR/ztest ] ; then
+		echo "[NO]"
+		MISSING_DEFS=1
+	else
+		echo "[YES]"
+	fi
+}
+
 echo "# This file is autogenerated by the configure script" > Config
 check_pkg_config
 
@@ -238,6 +258,7 @@ check_tpacket
 check_libnf_ct
 check_ncurses
 check_libgeoip
+check_zlib
 
 if [ "$MISSING_DEFS" == "1" ] ; then
 	echo "[!] Some libraries or header definitions are missing or too old."
-- 
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