diff --git a/README.md b/README.md
index 0c68da6..0c365c7 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # p7zip
 
+p7zip is a port of 7z.exe and 7za.exe for Unix. 7z.exe and 7za.exe are the command line version of 7-zip, a file archiver with highest compression ratio.
+
diff --git a/p7zip.spec b/p7zip.spec
new file mode 100644
index 0000000..755622e
--- /dev/null
+++ b/p7zip.spec
@@ -0,0 +1,116 @@
+Name:          p7zip
+Version:       9.20.1
+Release:       1mamba
+Summary:       A file archiver with highest compression ratio.
+Group:         Applications/Archiving
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Stefano Cotta Ramusino <whitone@gmail.com>
+URL:           http://p7zip.sourceforge.net/
+Source:        http://downloads.sourceforge.net/sourceforge/%{name}/%{name}_%{version}_src_all.tar.bz2
+License:       LGPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libgcc
+BuildRequires: libstdc++6-devel
+## AUTOBUILDREQ-END
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+p7zip is a port of 7z.exe and 7za.exe for Unix. 7z.exe and 7za.exe are the command line version of 7-zip, a file archiver with highest compression ratio.
+
+%prep
+%setup -q -n %{name}_%{version}
+
+%build
+%make all3
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+make install \
+   DEST_HOME=%{buildroot}%{_prefix} \
+   DEST_MAN=%{buildroot}%{_mandir} \
+   DEST_SHARE_DOC=%{buildroot}%{_docdir}/%{name}-%{version}
+
+chmod -R a+w %{buildroot}%{_defaultdocdir}/%{name}-%{version}
+rm -fr %{buildroot}%{_defaultdocdir}/%{name}-%{version}
+
+sed -i 's/'`echo %{buildroot} | sed 's/\//\\\\\//g'`'//' \
+   %{buildroot}%{_bindir}/7z{,a}
+
+# fix permissions for the documentations
+chmod -R a+r DOCS
+
+# fix permissions for tools
+chmod 755 %{buildroot}%{_prefix}/lib/%{name}/7z{,a,Con.sfx}
+
+# fixup strange shared library permissions
+chmod 755 %{buildroot}%{_prefix}/lib/%{name}/*/*.so
+
+## install mc extension
+#install -D -m 755 contrib/VirtualFileSystemForMidnightCommander/u7z \
+#   %{buildroot}%{_datadir}/mc/extfs/u7z
+
+# install gzip-like CLI wrapper
+install -D -m 755 contrib/gzip-like_CLI_wrapper_for_7z/%{name} \
+   %{buildroot}%{_bindir}/%{name}
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%files
+%defattr(-,root,root)
+%{_bindir}/7za
+%{_bindir}/7z
+%{_bindir}/7zr
+%{_bindir}/%{name}
+%dir %{_prefix}/lib/%{name}
+%{_prefix}/lib/%{name}/*
+%{_mandir}/man1/7z*
+%doc DOCS/License.txt DOCS/copying.txt
+#%doc ChangeLog README TODO DOCS
+#%doc contrib/VirtualFileSystemForMidnightCommander/readme
+#%doc contrib/gzip-like_CLI_wrapper_for_7z/README
+
+%changelog
+* Sat Jul 23 2011 Automatic Build System <autodist@mambasoft.it> 9.20.1-1mamba
+- automatic update to 3.0.3.0 by autodist
+
+* Thu Jan 27 2011 Silvan Calarco <silvan.calarco@mambasoft.it> 9.13-1mamba
+- update to 9.13
+- removed post script to add support for mc (included upstream)
+
+* Wed Jun 10 2009 Automatic Build System <autodist@mambasoft.it> 9.04-1mamba
+- automatic update by autodist
+
+* Sun Apr 26 2009 Silvan Calarco <silvan.calarco@mambasoft.it> 4.65-2mamba
+- exclude conflicting file with mc
+
+* Mon Mar 02 2009 Silvan Calarco <silvan.calarco@mambasoft.it> 4.65-1mamba
+- automatic update by autodist
+
+* Mon Dec 22 2008 Silvan Calarco <silvan.calarco@mambasoft.it> 4.61-1mamba
+- automatic update by autodist
+
+* Thu Oct 02 2008 Silvan Calarco <silvan.calarco@mambasoft.it> 4.57-1mamba
+- automatic update by autodist
+- removed requirement for mc
+
+* Tue Apr 17 2007 Stefano Cotta Ramusino <stefano.cotta@openmamba.org> 4.44-1mamba
+- update to version 4.44 by autospec
+
+* Mon Jul 17 2006 Stefano Cotta Ramusino <stefano.cotta@qilinux.it> 4.42-1qilnx
+- update to version 4.42 by autospec
+
+* Mon Apr 10 2006 Stefano Cotta Ramusino <stefano.cotta@qilinux.it> 4.37-1qilnx
+- spec file fixed
+- update to version 4.37 by autospec
+
+* Thu Sep 22 2005 Stefano Cotta Ramusino <stefano.cotta@qilinux.it> 4.20-1qilnx
+- update to version 4.20 by autospec
+
+* Tue Feb 08 2005 Silvan Calarco <silvan.calarco@mambasoft.it> 4.14.01-2qilnx
+- rebuilt and moved to devel repository
+
+* Tue Feb 08 2005 Stefano Cotta Ramusino <whitone@gmail.com> 4.14.01-1qilnx
+- package created by autospec