configure, netsniff-ng: make netsniff-ng's geoip dependency optional

Geoip dependency should not be mandatory as it's not a core part of
netsniff-ng. This also facilitates compilation on platforms where
geoip is not available.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>

1 files changed, 10 insertions, 1 deletions

diff --git a/configure b/configure
index ec31bf2..53b5d03 100755
--- a/configure
+++ b/configure
@@ -14,6 +14,7 @@ TOOLS_NOBUILD=""
 
 HAVE_LIBPCAP=0
 HAVE_HWTSTAMP=0
+HAVE_LIBGEOIP=0
 
 [ -z $CC ] && CC=cc
 
@@ -292,12 +293,14 @@ EOF
 	$CC -o $TMPDIR/geoiptest $TMPDIR/geoiptest.c -lGeoIP >> $TMPDIR/config.log 2>&1
 	if [ ! -x $TMPDIR/geoiptest ] ; then
 		echo "[NO]"
+		echo "CONFIG_LIBGEOIP=0" >> Config
 		MISSING_DEFS=1
-		tools_remove "netsniff-ng"
 		tools_remove "astraceroute"
 		tools_remove "flowtop"
 	else
 		echo "[YES]"
+		echo "CONFIG_LIBGEOIP=1" >> Config
+		HAVE_LIBGEOIP=1
 	fi
 }
 
@@ -503,6 +506,7 @@ gen_config_hdr()
 {
 	local _version="`git describe --always`"
 	local _have_libpcap=""
+	local _have_libgeoip=""
 	local _have_hwts=""
 
 	echo "[*] Generating config.h ... "
@@ -515,6 +519,10 @@ gen_config_hdr()
 		_have_hwts="#define HAVE_HARDWARE_TIMESTAMPING 1"
 	fi
 
+	if [ "$HAVE_LIBGEOIP" == "1" ] ; then
+		_have_libgeoip="#define HAVE_GEOIP 1"
+	fi
+
 	cat > config.h << EOF
 #ifndef CONFIG_H
 #define CONFIG_H
@@ -525,6 +533,7 @@ gen_config_hdr()
 #define FILE_USERNAM ".curvetun/username"
 #define GITVERSION "$_version"
 $_have_libpcap
+$_have_libgeoip
 $_have_hwts
 #endif /* CONFIG_H */
 EOF