configure: netsniff-ng: libpcap is not a hard dependency

netsniff-ng uses libpcap only for high-level filter compiling.
Thus, let netsniff-ng not "hard-depend" on libpcap, but rather
disable filter compiling in case the user does not want to
install libpcap.

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

1 files changed, 2 insertions, 1 deletions

diff --git a/configure b/configure
index f31cfa0..04c9c4e 100755
--- a/configure
+++ b/configure
@@ -359,11 +359,12 @@ EOF
 	$CC -o $TMPDIR/pcaptest $TMPDIR/pcaptest.c -lpcap >> $TMPDIR/config.log 2>&1
 	if [ ! -x $TMPDIR/pcaptest ] ; then
 		echo "[NO]"
+		echo "CONFIG_LIBPCAP=0" >> Config
 		MISSING_DEFS=1
-		tools_remove "netsniff-ng"
 		tools_remove "mausezahn"
 	else
 		echo "[YES]"
+		echo "CONFIG_LIBPCAP=1" >> Config
 	fi
 }