deb/rpm: build with --enable-gtp-linux

Allow optional use of the GTP kernel module.

Related: OS#3208
Change-Id: Ic001ec6c5ec9887706a5b27f2a48cd61942ab4ee

contrib/osmo-ggsn.spec.in

@@ -34,6 +34,7 @@ BuildRequires:  pkgconfig(libmnl) >= 1.0.3
 BuildRequires:  pkgconfig(libosmocore) >= 1.1.0
 BuildRequires:  pkgconfig(libosmoctrl) >= 1.1.0
 BuildRequires:  pkgconfig(libosmovty) >= 1.1.0
+BuildRequires:  pkgconfig(libgtpnl) >= 1.2.0
 Obsoletes:      openggsn
 %{?systemd_requires}
 
@@ -69,6 +70,7 @@ applications that want to make use of libgtp.
 echo "%{version}" >.tarball-version
 autoreconf -fi
 %configure \
+  --enable-gtp-linux \
   --disable-static \
   --docdir="%{_docdir}/%{name}" \
   --with-systemdsystemunitdir=%{_unitdir} \

debian/control

@@ -8,7 +8,8 @@ Build-Depends: debhelper (>= 9),
                libdpkg-perl, git,
                dh-autoreconf,
                libosmocore-dev (>= 1.4.0),
-               osmo-gsm-manuals-dev
+               osmo-gsm-manuals-dev,
+               libgtpnl-dev (>= 1.2.0)
 Standards-Version: 3.9.6
 Vcs-Browser: http://git.osmocom.org/osmo-ggsn/
 Vcs-Git: git://git.osmocom.org/osmo-ggsn

debian/rules

@@ -19,7 +19,10 @@ override_dh_strip:
 	dh_strip -plibgtp6 --dbg-package=libgtp-dbg
 
 override_dh_auto_configure:
-	dh_auto_configure -- --with-systemdsystemunitdir=/lib/systemd/system --enable-manuals
+	dh_auto_configure -- \
+		--enable-gtp-linux \
+		--with-systemdsystemunitdir=/lib/systemd/system \
+		--enable-manuals
 
 # Don't create .pdf.gz files (barely saves space and they can't be opened directly by most pdf readers)
 override_dh_compress: