From b47fc45642382399814d5f3b460a6a1f887173b3 Mon Sep 17 00:00:00 2001
From: Pau Espin Pedrol <pespin@sysmocom.de>
Date: Mon, 10 Sep 2018 13:54:05 +0200
Subject: Install systemd services with autotools

Change-Id: I672f49f1034554ce62347ff9493eca18340deb3a
---
 Makefile.am                       |  5 ++++-
 configure.ac                      | 18 ++++++++++++++++++
 contrib/Makefile.am               |  1 +
 contrib/systemd/Makefile.am       |  5 +++++
 debian/osmo-sip-connector.install |  1 +
 debian/osmo-sip-connector.service |  1 -
 debian/rules                      |  3 +++
 7 files changed, 32 insertions(+), 2 deletions(-)
 create mode 100644 contrib/Makefile.am
 create mode 100644 contrib/systemd/Makefile.am
 delete mode 120000 debian/osmo-sip-connector.service

diff --git a/Makefile.am b/Makefile.am
index 5a2c4a9..7c1e00c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,10 +1,13 @@
 AUTOMAKE_OPTIONS = foreign dist-bzip2 1.6
 
-SUBDIRS = src tests
+SUBDIRS = src tests contrib
 
 BUILT_SOURCES = $(top_srcdir)/.version
 EXTRA_DIST = git-version-gen osmoappdesc.py .version
 
+DISTCHECK_CONFIGURE_FLAGS = \
+	--with-systemdsystemunitdir=$$dc_install_base/$(systemdsystemunitdir)
+
 @RELMAKE@
 
 $(top_srcdir)/.version:
diff --git a/configure.ac b/configure.ac
index 916cfc3..1514faa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -65,6 +65,22 @@ AC_MSG_CHECKING([whether to enable VTY/CTRL tests])
 AC_MSG_RESULT([$enable_ext_tests])
 AM_CONDITIONAL(ENABLE_EXT_TESTS, test "x$enable_ext_tests" = "xyes")
 
+# https://www.freedesktop.org/software/systemd/man/daemon.html
+AC_ARG_WITH([systemdsystemunitdir],
+     [AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files])],,
+     [with_systemdsystemunitdir=auto])
+AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"], [
+     def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
+
+     AS_IF([test "x$def_systemdsystemunitdir" = "x"],
+   [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
+    [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
+    with_systemdsystemunitdir=no],
+   [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
+AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
+      [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
+AM_CONDITIONAL([HAVE_SYSTEMD], [test "x$with_systemdsystemunitdir" != "xno"])
+
 AC_MSG_RESULT([CPPFLAGS="$CPPFLAGS"])
 AC_MSG_RESULT([CFLAGS="$CFLAGS"])
 AC_MSG_RESULT([CXXFLAGS="$CXXFLAGS"])
@@ -73,4 +89,6 @@ AC_MSG_RESULT([LDFLAGS="$LDFLAGS"])
 AC_OUTPUT(
 	src/Makefile
 	tests/Makefile
+	contrib/Makefile
+	contrib/systemd/Makefile
 	Makefile)
diff --git a/contrib/Makefile.am b/contrib/Makefile.am
new file mode 100644
index 0000000..3439c97
--- /dev/null
+++ b/contrib/Makefile.am
@@ -0,0 +1 @@
+SUBDIRS = systemd
diff --git a/contrib/systemd/Makefile.am b/contrib/systemd/Makefile.am
new file mode 100644
index 0000000..213cc7a
--- /dev/null
+++ b/contrib/systemd/Makefile.am
@@ -0,0 +1,5 @@
+if HAVE_SYSTEMD
+EXTRA_DIST = osmo-sip-connector.service
+systemdsystemunit_DATA = \
+  osmo-sip-connector.service
+endif
diff --git a/debian/osmo-sip-connector.install b/debian/osmo-sip-connector.install
index a16b95f..b776fda 100644
--- a/debian/osmo-sip-connector.install
+++ b/debian/osmo-sip-connector.install
@@ -1 +1,2 @@
+lib/systemd/system/osmo-sip-connector.service
 usr/bin/osmo-sip-connector
diff --git a/debian/osmo-sip-connector.service b/debian/osmo-sip-connector.service
deleted file mode 120000
index c0ae1e1..0000000
--- a/debian/osmo-sip-connector.service
+++ /dev/null
@@ -1 +0,0 @@
-../contrib/systemd/osmo-sip-connector.service
\ No newline at end of file
diff --git a/debian/rules b/debian/rules
index 5e9e20f..e4e7ca9 100755
--- a/debian/rules
+++ b/debian/rules
@@ -13,3 +13,6 @@ export DEB_BUILD_HARDENING=1
 
 override_dh_strip:
 	dh_strip --dbg-package=osmo-sip-connector-dbg
+
+override_dh_auto_configure:
+	dh_auto_configure -- --with-systemdsystemunitdir=/lib/systemd/system
-- 
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