diff --git a/README.md b/README.md
index 089a41c..19f9eda 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,5 @@
 # libjasper1
 
+The JasPer Project is an open-source initiative to provide a free software-based reference implementation of the codec specified in the JPEG-2000 Part-1 standard (i.e., ISO/IEC 15444-1).
+The JasPer software has been included in the JPEG-2000 Part-5 standard (i.e., ISO/IEC 15444-5), as an official reference implementation of the JPEG-2000 Part-1 codec.
+
diff --git a/libjasper1.spec b/libjasper1.spec
new file mode 100644
index 0000000..b5f775d
--- /dev/null
+++ b/libjasper1.spec
@@ -0,0 +1,126 @@
+Name:          libjasper1
+Version:       1.900.1
+Release:       5mamba
+Summary:       A free-software based reference implementation of the JPEG-2000 codec
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://www.ece.uvic.ca/~mdadams/jasper
+Source:        http://www.ece.uvic.ca/~mdadams/jasper/software/jasper-%{version}.zip
+License:       JasPer License 2.0
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libGL-devel
+BuildRequires: libGLU-devel
+BuildRequires: libICE-devel
+BuildRequires: libSM-devel
+BuildRequires: libX11-devel
+BuildRequires: libXau-devel
+BuildRequires: libXdmcp-devel
+BuildRequires: libXext-devel
+BuildRequires: libXi-devel
+BuildRequires: libXmu-devel
+BuildRequires: libXt-devel
+BuildRequires: libbsd-devel
+BuildRequires: libfreeglut-devel
+BuildRequires: libjpeg-devel
+BuildRequires: libuuid-devel
+BuildRequires: libxcb-devel
+## AUTOBUILDREQ-END
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+The JasPer Project is an open-source initiative to provide a free software-based reference implementation of the codec specified in the JPEG-2000 Part-1 standard (i.e., ISO/IEC 15444-1).
+The JasPer software has been included in the JPEG-2000 Part-5 standard (i.e., ISO/IEC 15444-5), as an official reference implementation of the JPEG-2000 Part-1 codec.
+
+%package devel
+Group:         Development/Libraries
+Summary:       Static libraries and headers for %{name}
+Requires:      %{name} = %{version}
+
+%description devel
+The JasPer Project is an open-source initiative to provide a free software-based reference implementation of the codec specified in the JPEG-2000 Part-1 standard (i.e., ISO/IEC 15444-1).
+The JasPer software has been included in the JPEG-2000 Part-5 standard (i.e., ISO/IEC 15444-5), as an official reference implementation of the JPEG-2000 Part-1 codec.
+
+This package contains static libraries and header files needed for development.
+
+%package tools
+Group:         Applications/Graphics
+Summary:       Tools for %{name}
+Requires:      %{name} = %{version}
+
+%description tools
+The JasPer Project is an open-source initiative to provide a free software-based reference implementation of the codec specified in the JPEG-2000 Part-1 standard (i.e., ISO/IEC 15444-1).
+The JasPer software has been included in the JPEG-2000 Part-5 standard (i.e., ISO/IEC 15444-5), as an official reference implementation of the JPEG-2000 Part-1 codec.
+
+This package contains tools provided by %{name}.
+
+%prep
+%setup -q -n jasper-%{version}
+
+%build
+%configure \
+   --enable-shared \
+   --enable-static
+
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post   -p /sbin/ldconfig
+%postun -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_libdir}/libjasper.so.*
+%doc LICENSE
+
+%files devel
+%defattr(-,root,root)
+%dir %{_includedir}/jasper
+%{_includedir}/jasper/*.h
+%{_libdir}/*.a
+%{_libdir}/*.la
+%{_libdir}/*.so
+%doc INSTALL NEWS README
+
+%files tools
+%defattr(-,root,root)
+%{_bindir}/imgcmp
+%{_bindir}/imginfo
+%{_bindir}/jasper
+%{_bindir}/jiv
+%{_bindir}/tmrdemo
+%{_mandir}/man1/imgcmp.1*
+%{_mandir}/man1/imginfo.1*
+%{_mandir}/man1/jasper.1*
+%{_mandir}/man1/jiv.1*
+
+%changelog
+* Tue Oct 09 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 1.900.1-5mamba
+- legacy package
+
+* Mon Mar 28 2011 Silvan Calarco <silvan.calarco@mambasoft.it> 1.900.1-4mamba
+- updated build requirements (removed versions)
+
+* Fri Jul 02 2010 Silvan Calarco <silvan.calarco@mambasoft.it> 1.900.1-3mamba
+- rebuilt against libjpeg 8
+
+* Wed May 20 2009 Automatic Build System <autodist@mambasoft.it> 1.900.1-2mamba
+- automatic rebuild by autodist
+
+* Mon Jun 16 2008 Silvan Calarco <silvan.calarco@mambasoft.it> 1.900.1-1mamba
+- update to 1.900.1
+
+* Mon Apr 03 2006 Stefano Cotta Ramusino <stefano.cotta@qilinux.it> 1.701.0-2qilnx
+- specfile fixed and updated
+- fixed license
+
+* Wed Jun 01 2005 Davide Madrisan <davide.madrisan@qilinux.it> 1.701.0-1qilnx
+- package created by autospec