add contrib/jenkins.sh for build testing

contrib/jenkins.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+# jenkins build helper script for openbsc.  This is how we build on jenkins.osmocom.org
+
+if ! [ -x "$(command -v osmo-build-dep.sh)" ]; then
+	echo "Error: We need to have scripts/osmo-deps.sh from http://git.osmocom.org/osmo-ci/ in PATH !"
+	exit 2
+fi
+
+
+set -ex
+
+base="$PWD"
+deps="$base/deps"
+inst="$deps/install"
+export deps inst
+
+osmo-clean-workspace.sh
+
+mkdir "$deps" || true
+
+set +x
+echo
+echo
+echo
+echo " =============================== rtl-sdr ==============================="
+echo
+set -x
+
+cd "$base"
+autoreconf --install --force
+./configure --enable-sanitize --enable-werror
+$MAKE $PARALLEL_MAKE
+LD_LIBRARY_PATH="$inst/lib" $MAKE check \
+  || cat-testlogs.sh
+LD_LIBRARY_PATH="$inst/lib" \
+  DISTCHECK_CONFIGURE_FLAGS="--enable-werror" \
+  $MAKE distcheck \
+  || cat-testlogs.sh
+
+osmo-clean-workspace.sh