contrib: integrate RPM spec

Remove OpenSUSE bug report link, set version to @VERSION@, make it build
with CentOS 8 etc.

Related: OS#4550
Change-Id: Idfe04c2e2609763387d1309f059c390b8e7ae938
diff --git a/contrib/osmo-pcu.spec.in b/contrib/osmo-pcu.spec.in
new file mode 100644
index 0000000..e197cb7
--- /dev/null
+++ b/contrib/osmo-pcu.spec.in
@@ -0,0 +1,82 @@
+#
+# spec file for package osmo-pcu
+#
+# Copyright (c) 2017, Martin Hauke <mardnh@gmx.de>
+#
+# All modifications and additions to the file contributed by third parties
+# remain the property of their copyright owners, unless otherwise agreed
+# upon. The license for this file, and modifications and additions to the
+# file, is the same license as for the pristine package itself (unless the
+# license for the pristine package is not an Open Source License, in which
+# case the license is the MIT License). An "Open Source License" is a
+# license that conforms to the Open Source Definition (Version 1.9)
+# published by the Open Source Initiative.
+
+Name:           osmo-pcu
+Version:        @VERSION@
+Release:        0
+Summary:        Osmocom GPRS Packet Control Unit (PCU)
+License:        GPL-2.0-only
+Group:          Productivity/Telephony/Servers
+URL:            https://osmocom.org/projects/osmopcu
+Source:         %{name}-%{version}.tar.xz
+BuildRequires:  autoconf
+BuildRequires:  automake
+BuildRequires:  gcc-c++
+BuildRequires:  libtool
+BuildRequires:  pkgconfig >= 0.20
+%if 0%{?suse_version}
+BuildRequires:  systemd-rpm-macros
+%endif
+BuildRequires:  pkgconfig(libosmocore) >= 1.1.0
+BuildRequires:  pkgconfig(libosmogb) >= 1.1.0
+BuildRequires:  pkgconfig(libosmogsm) >= 1.1.0
+BuildRequires:  pkgconfig(libosmovty) >= 1.1.0
+%{?systemd_requires}
+
+%description
+Osmocom PCU code (RLC/MAC/PCU) for OpenBTS and OsmoBTS.
+
+%prep
+%setup -q
+
+%build
+echo "%{version}" >.tarball-version
+autoreconf -fi
+%configure \
+  --enable-shared \
+  --disable-static \
+  --docdir=%{_docdir}/%{name} \
+  --with-systemdsystemunitdir=%{_unitdir}
+make %{?_smp_mflags}
+
+%install
+%make_install
+
+%if 0%{?suse_version}
+%preun
+%service_del_preun %{name}.service
+
+%postun
+%service_del_postun %{name}.service
+
+%pre
+%service_add_pre %{name}.service
+
+%post
+%service_add_post %{name}.service
+%endif
+
+%check
+make %{?_smp_mflags} check || (find . -name testsuite.log -exec cat {} +)
+
+%files
+%license COPYING
+%doc README.md
+%doc %{_docdir}/%{name}/examples
+%{_bindir}/osmo-pcu
+%dir %{_sysconfdir}/osmocom
+%config(noreplace) %{_sysconfdir}/osmocom/osmo-pcu.cfg
+%{_unitdir}/%{name}.service
+
+%changelog