diff --git a/README.md b/README.md
index baf6f8d..f58d353 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # glslang
 
+Khronos-reference front end for GLSL/ESSL, partial front end for HLSL, and a SPIR-V generator.
+
diff --git a/glslang.spec b/glslang.spec
new file mode 100644
index 0000000..f2435a8
--- /dev/null
+++ b/glslang.spec
@@ -0,0 +1,97 @@
+Name:          glslang
+Version:       8.13.3559
+Release:       1mamba
+Summary:       Khronos-reference front end for GLSL/ESSL, partial front end for HLSL, and a SPIR-V generator
+Group:         Development/Tools
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/KhronosGroup
+## GITSOURCE https://github.com/KhronosGroup/glslang.git 8.13.3559
+Source:        https://github.com/KhronosGroup/glslang.git/%{version}/glslang-%{version}.tar.bz2
+License:       BSD
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: ldconfig
+BuildRequires: libgcc
+BuildRequires: libstdc++6-devel
+## AUTOBUILDREQ-END
+BuildRequires: cmake
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+Khronos-reference front end for GLSL/ESSL, partial front end for HLSL, and a SPIR-V generator.
+
+%package -n lib%{name}
+Group:         System/Libraries
+Summary:       Shared libraries for %{name}
+
+%description -n lib%{name}
+This package contains shared libraries for %{name}.
+
+%package -n lib%{name}-devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description -n lib%{name}-devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+
+%debug_package
+
+%prep
+%setup -q
+
+%build
+%cmake -d build
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall -C build
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -n lib%{name} -p /sbin/ldconfig
+%postun -n lib%{name} -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_bindir}/glslangValidator
+%{_bindir}/spirv-remap
+
+%files -n lib%{name}
+%defattr(-,root,root)
+%{_libdir}/libSPIRV.so
+%{_libdir}/libSPVRemapper.so
+%{_libdir}/libglslang-default-resource-limits.so
+%{_libdir}/libglslang.so
+%{_libdir}/libHLSL.so
+
+%files -n lib%{name}-devel
+%defattr(-,root,root)
+%dir %{_includedir}/SPIRV
+%{_includedir}/SPIRV/*
+%dir %{_includedir}/glslang
+%dir %{_includedir}/glslang/Include
+%{_includedir}/glslang/Include/*.h
+%dir %{_includedir}/glslang/MachineIndependent
+%{_includedir}/glslang/MachineIndependent/*.h
+%dir %{_includedir}/glslang/MachineIndependent/preprocessor
+%{_includedir}/glslang/MachineIndependent/preprocessor/*.h
+%{_includedir}/glslang/SPIRV/spirv.hpp
+%dir %{_includedir}/glslang/Public
+%{_includedir}/glslang/Public/*.h
+%dir %{_includedir}/glslang/SPIRV
+%{_includedir}/glslang/SPIRV/*.h
+%{_libdir}/cmake/*.cmake
+%{_libdir}/libOGLCompiler.a
+%{_libdir}/libOSDependent.a
+%doc README-spirv-remap.txt README.md
+
+%changelog
+* Tue Mar 17 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 8.13.3559-1mamba
+- package created using the webbuild interface