start mqtt client (based on paho.mqtt.c), basically works

3rd/paho.mqtt.c/dist/paho-c.spec

@@ -0,0 +1,78 @@
+Summary:            MQTT C Client
+Name:               paho-c
+Version:            1.3.2
+Release:            3%{?dist}
+License:            Eclipse Distribution License 1.0 and Eclipse Public License 2.0
+Group:              Development/Tools
+Source:             https://github.com/eclipse/paho.mqtt.c/archive/v%{version}.tar.gz
+URL:                https://eclipse.org/paho/clients/c/
+BuildRequires:      cmake
+BuildRequires:      gcc
+BuildRequires:      graphviz
+BuildRequires:      doxygen
+BuildRequires:      openssl-devel
+Requires:           openssl
+
+
+%description
+The Paho MQTT C Client is a fully fledged MQTT client written in ANSI standard C.
+
+
+%package devel
+Summary:            MQTT C Client development kit
+Group:              Development/Libraries
+Requires:           paho-c
+
+%description devel
+Development files and samples for the the Paho MQTT C Client.
+
+
+%package devel-docs
+Summary:            MQTT C Client development kit documentation
+Group:              Development/Libraries
+
+%description devel-docs
+Development documentation files for the the Paho MQTT C Client.
+
+%prep
+%autosetup -n paho-c-%{version}
+
+%build
+mkdir build.paho && cd build.paho
+%cmake -DPAHO_WITH_SSL=TRUE -DPAHO_BUILD_DOCUMENTATION=TRUE -DPAHO_BUILD_SAMPLES=TRUE ..
+make %{?_smp_mflags}
+
+%install
+cd build.paho
+make install DESTDIR=%{buildroot}
+
+%files
+%doc edl-v10 epl-v20
+%{_libdir}/*
+
+%files devel
+%{_bindir}/*
+%{_includedir}/*
+
+%files devel-docs
+%{_datadir}/*
+
+%changelog
+* Thu Jul 27 2017 Otavio R. Piske <opiske@redhat.com> - 1.2.0-4
+- Enabled generation of debuginfo package
+
+* Thu Jul 27 2017 Otavio R. Piske <opiske@redhat.com> - 1.2.0-3
+- Fixed changelog issues pointed by rpmlint
+
+* Thu Jul 27 2017 Otavio R. Piske <opiske@redhat.com> - 1.2.0-2
+- Updated changelog to comply with Fedora packaging guidelines
+
+* Wed Jul 26 2017 Otavio R. Piske <opiske@redhat.com> - 1.2.0-1
+- Fixed rpmlint warnings: replaced cmake call with builtin macro
+- Fixed rpmlint warnings: removed buildroot reference from build section
+
+* Fri Jun 30 2017 Otavio R. Piske <opiske@redhat.com> - 1.2.0
+- Updated package to version 1.2.0
+
+* Sat Dec 31 2016 Otavio R. Piske <opiske@redhat.com> - 1.1.0
+- Initial packaging