diff --git a/README.md b/README.md
index 9691a95..61c98ac 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # libicns
 
+libicns is a library providing functionality for easily reading and writing MacOS X icns files.
+
diff --git a/libicns-0.7.1-png2icns-libpng14.patch b/libicns-0.7.1-png2icns-libpng14.patch
new file mode 100644
index 0000000..d515437
--- /dev/null
+++ b/libicns-0.7.1-png2icns-libpng14.patch
@@ -0,0 +1,28 @@
+--- icnsutils/png2icns.c	2009-05-11 08:17:16.000000000 +0200
++++ icnsutils/png2icns.c-gil	2010-09-21 20:57:32.000000000 +0200
+@@ -70,7 +70,11 @@
+ 	switch (color_type)
+ 	{
+ 		case PNG_COLOR_TYPE_GRAY:
+-			png_set_gray_1_2_4_to_8(png_ptr);
++			#if PNG_LIBPNG_VER < 10400
++				png_set_gray_1_2_4_to_8(png_ptr);
++			#else
++                        	png_set_expand_gray_1_2_4_to_8(png_ptr);
++                	#endif
+ 
+ 			if (bit_depth == 16) {
+ 				png_set_strip_16(png_ptr);
+@@ -82,7 +86,11 @@
+ 			break;
+ 
+ 		case PNG_COLOR_TYPE_GRAY_ALPHA:
+-			png_set_gray_1_2_4_to_8(png_ptr);
++			#if PNG_LIBPNG_VER < 10400
++				png_set_gray_1_2_4_to_8(png_ptr);
++			#else
++                        	png_set_expand_gray_1_2_4_to_8(png_ptr);
++                	#endif
+ 
+ 			if (bit_depth == 16) {
+ 				png_set_strip_16(png_ptr);
diff --git a/libicns.spec b/libicns.spec
new file mode 100644
index 0000000..537dbfb
--- /dev/null
+++ b/libicns.spec
@@ -0,0 +1,110 @@
+Name:          libicns
+Version:       0.8.1
+Release:       1mamba
+Summary:       Library for manipulating MacOS X icns files
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://icns.sourceforge.net
+Source:        http://downloads.sourceforge.net/project/icns/libicns-%{version}.tar.gz
+Patch0:        libicns-0.7.1-png2icns-libpng14.patch
+License:       GPL, LGPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libjasper-devel
+BuildRequires: libpng-devel
+## AUTOBUILDREQ-END
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+libicns is a library providing functionality for easily reading and writing MacOS X icns files.
+
+%package devel
+Group:         Development/Libraries
+Summary:       Libraries and headers for %{name}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description devel
+libicns is a library providing functionality for easily reading and writing MacOS X icns files.
+This package contains libraries and header files need for development.
+
+%package static
+Group:         Development/Libraries
+Summary:       Static libraries for %{name}
+Requires:      %{name}-devel = %{?epoch:%epoch:}%{version}-%{release}
+
+%description static
+libicns is a library providing functionality for easily reading and writing MacOS X icns files.
+This package contains static libraries need for development.
+
+%package utils
+Group:         Applications/Graphics
+Summary:       Utilities for %{name}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description utils
+Software for library for manipulating MacOS X .icns icon format.
+Currently provides support for reading and writing icns files in most sizes.
+
+Also provides utilities for manipulating files in the .icns format:
+* icns2png - convert Mac OS icns files to png images
+* png2icns - convert png images to Mac OS icns files
+* icontainer2icns - extract icns files from icontainers
+
+%prep
+%setup -q
+#%patch0
+
+%build
+%configure
+sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
+sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
+%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}/libicns.so.*
+%doc AUTHORS COPYING
+
+%files devel
+%defattr(-,root,root)
+%{_includedir}/icns.h
+%{_libdir}/libicns.so
+%{_libdir}/pkgconfig/libicns.pc
+%doc src/apidocs.*
+%doc ChangeLog README TODO
+
+%files static
+%defattr(-,root,root)
+%{_libdir}/libicns.*a
+
+%files utils
+%defattr(-,root,root)
+%{_bindir}/icns2png
+%{_bindir}/icontainer2icns
+%{_bindir}/png2icns
+%{_mandir}/man1/icns2png.1*
+%{_mandir}/man1/icontainer2icns.1*
+%{_mandir}/man1/png2icns.1*
+%doc README
+
+%changelog
+* Fri Apr 18 2014 Silvan Calarco <silvan.calarco@mambasoft.it> 0.8.1-1mamba
+- update to 0.8.1
+
+* Sun Dec 26 2010 gil <puntogil@libero.it> 0.7.1-2mamba
+- rebuilt devel
+
+* Tue Sep 21 2010 gil <puntogil@libero.it> 0.7.1-1mamba
+- package created by autospec