diff --git a/README.md b/README.md
index f8e2fa3..5d2ec58 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # libportmidi
 
+PortMidi is a library for software developers. It supports real-time input and output of MIDI data using a system-independent interface. PortMidi runs on Windows (using MME), Macintosh (using CoreMIDI), and Linux (using ALSA).
+
diff --git a/libportmidi.spec b/libportmidi.spec
new file mode 100644
index 0000000..527eba5
--- /dev/null
+++ b/libportmidi.spec
@@ -0,0 +1,88 @@
+Name:          libportmidi
+Version:       217
+Release:       2mamba
+Summary:       A library supporting real-time input and output of MIDI data using a system-independent interface
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://portmedia.sourceforge.net/portmidi/
+Source:        http://downloads.sourceforge.net/project/portmedia/portmidi/%{version}/portmidi-src-%{version}.zip
+License:       GPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libalsa-devel
+## AUTOBUILDREQ-END
+BuildRequires: java-gcj-compat
+Provides:      libporttime.so
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+PortMidi is a library for software developers. It supports real-time input and output of MIDI data using a system-independent interface. PortMidi runs on Windows (using MME), Macintosh (using CoreMIDI), and Linux (using ALSA).
+
+%package devel
+Summary:       Devel package for %{name}
+Group:         Development/Libraries
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description devel
+PortMidi is a library for software developers. It supports real-time input and output of MIDI data using a system-independent interface. PortMidi runs on Windows (using MME), Macintosh (using CoreMIDI), and Linux (using ALSA).
+
+This package contains static libraries and header files needed for development.
+
+%prep
+%setup -q -n portmidi
+sed -i "s|/usr/local|/usr|" \
+   pm_common/CMakeLists.txt \
+   pm_dylib/CMakeLists.txt \
+   pm_java/CMakeLists.txt
+
+%build
+%cmake \
+   -DCMAKE_ARCHIVE_OUTPUT_DIRECTORY:STRING=%{_builddir}/portmidi/Release \
+   -DCMAKE_LIBRARY_OUTPUT_DIRECTORY:STRING=%{_builddir}/portmidi/Release \
+   -DCMAKE_RUNTIME_OUTPUT_DIRECTORY:STRING=%{_builddir}/portmidi/Release
+
+#-d build \
+
+sed -i "s|pm_java/pm_java|pm_java|" pm_java/CMakeFiles/pmdefaults_target.dir/build.make
+
+%make -j1
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall LIBRARY_DESTINATION=%{_libdir}
+
+# remove duplicated library
+rm -f %{buildroot}%{_libdir}/libportmidi_s.so
+
+# add libporttime as a link (required by denemo 1.0, see https://bugs.archlinux.org/task/21528)
+ln -s libportmidi.so %{buildroot}%{_libdir}/libporttime.so
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -p /sbin/ldconfig
+
+%postun -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_bindir}/pmdefaults
+%{_libdir}/libpmjni.so
+%{_libdir}/libportmidi.so
+%{_libdir}/libporttime.so
+%{_datadir}/java/pmdefaults.jar
+%doc README.txt
+
+%files devel
+%defattr(-,root,root)
+%{_includedir}/portmidi.h
+%{_includedir}/porttime.h
+
+%changelog
+* Tue Apr 09 2013 Silvan Calarco <silvan.calarco@mambasoft.it> 217-2mamba
+- added libporttime as a symlink to libportmidi, required by denemo
+
+* Sat Mar 26 2011 Silvan Calarco <silvan.calarco@mambasoft.it> 217-1mamba
+- package created by autospec