Makefile,contrib/jenkins: import from osmo-epdg

Add Makefile and contrib/jenkins.sh from osmo-epdg. Add "rebar3 asn
compile" to the "build" target, as mentioned in README.md.

Change-Id: Id8d6652c9007f4d565e2e0ca318e3a7b2113ea67
Tweaked-By: Vadim Yanitskiy <vyanitskiy@sysmocom.de>
---
A Makefile
A contrib/jenkins.sh
2 files changed, 49 insertions(+), 0 deletions(-)

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..6d3ded2
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,31 @@
+all: build
+
+GEN_FILES = include/S1AP-*.hrl src/S1AP-*.erl
+
+src/S1AP-%.erl include/S1AP-%.hrl: asn1/S1AP-%.asn
+	rebar3 asn compile
+
+build: $(GEN_FILES)
+	rebar3 compile
+	rebar3 escriptize
+
+run: build
+	ERL_FLAGS='-config config/sys.config' _build/default/bin/osmo-s1gw
+
+shell: build
+	rebar3 shell --config ./config/sys.config
+
+check: $(GEN_FILES)
+	rebar3 eunit
+
+clean:
+# Avoid running rebar3 clean if _build doesn't exist, since it would try
+# to fetch deps from the Internet and that may not be avaialble when in
+# OBS build.
+ifneq ("$(wildcard _build/.*)", "")
+	rebar3 asn clean
+	rebar3 clean
+	rm -rf _build/
+else
+	rm -f $(GEN_FILES)
+endif
diff --git a/contrib/jenkins.sh b/contrib/jenkins.sh
new file mode 100755
index 0000000..df99a89
--- /dev/null
+++ b/contrib/jenkins.sh
@@ -0,0 +1,5 @@
+#!/bin/sh -ex
+
+make clean
+make
+make check

