diff --git a/README.md b/README.md
index 32157ee..40b831a 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # libilmbase1
 
+OpenEXR ilmbase library.
+
diff --git a/libilmbase-1.0.1-no_undefined.patch b/libilmbase-1.0.1-no_undefined.patch
new file mode 100644
index 0000000..df3f3c7
--- /dev/null
+++ b/libilmbase-1.0.1-no_undefined.patch
@@ -0,0 +1,11 @@
+--- ilmbase-1.0.1/m4/threads.m4	2006-12-13 23:51:56.000000000 +0100
++++ ilmbase-1.0.1/m4/threads.m4.noundef	2010-03-07 18:08:50.000000000 +0100
+@@ -87,7 +87,7 @@
+ # which indicates that we try without any flags at all, and "pthread-config"
+ # which is a program returning the flags for the Pth emulation library.
+ 
+-acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
++acx_pthread_flags="pthreads none -Kthread -kthread lthread pthread -pthread -pthreads -mthreads --thread-safe -mt pthread-config"
+ 
+ # The ordering *is* (sometimes) important.  Some notes on the
+ # individual items follow:
diff --git a/libilmbase-1.0.2-gcc4_fix_include.patch b/libilmbase-1.0.2-gcc4_fix_include.patch
new file mode 100644
index 0000000..6aa19ba
--- /dev/null
+++ b/libilmbase-1.0.2-gcc4_fix_include.patch
@@ -0,0 +1,11 @@
+diff -Nru ilmbase-1.0.2.orig//Imath/ImathMatrix.h ilmbase-1.0.2/Imath/ImathMatrix.h
+--- ilmbase-1.0.2.orig//Imath/ImathMatrix.h	2010-07-17 00:48:40.000000000 +0200
++++ ilmbase-1.0.2/Imath/ImathMatrix.h	2010-08-22 15:23:29.821253349 +0200
+@@ -51,6 +51,7 @@
+ 
+ #include <iostream>
+ #include <iomanip>
++#include <string.h>
+ 
+ #if (defined _WIN32 || defined _WIN64) && defined _MSC_VER
+ // suppress exception specification warnings
diff --git a/libilmbase1.spec b/libilmbase1.spec
new file mode 100644
index 0000000..293c693
--- /dev/null
+++ b/libilmbase1.spec
@@ -0,0 +1,89 @@
+Name:          libilmbase1
+Version:       1.0.2
+Release:       3mamba
+Summary:       OpenEXR ilmbase library
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://www.openexr.com
+Source:        http://download.savannah.nongnu.org/releases/openexr/ilmbase-%{version}.tar.gz
+Patch0:        libilmbase-1.0.1-no_undefined.patch
+Patch1:        libilmbase-1.0.2-gcc4_fix_include.patch
+License:       GPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libgcc
+BuildRequires: libstdc++6-devel
+## AUTOBUILDREQ-END
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+OpenEXR ilmbase library.
+
+%package devel
+Group:         Development/Libraries
+Summary:       Static libraries and headers for %{name}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description devel
+OpenEXR ilmbase library.
+
+This package contains static libraries and header files need for development.
+
+%prep
+%setup -q -n ilmbase-%{version}
+sed -i "s|AM_CONFIG_HEADER|AC_CONFIG_HEADERS|" configure.ac
+%patch0 -p1
+%patch1 -p1
+
+%build
+# for patch0
+./bootstrap
+
+%configure
+%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}/*.so.*
+%doc AUTHORS COPYING
+
+%files devel
+%defattr(-,root,root)
+%{_includedir}/OpenEXR/*.h
+%{_libdir}/*.a
+%{_libdir}/*.la
+%{_libdir}/*.so
+%{_libdir}/pkgconfig/*.pc
+%doc ChangeLog LICENSE NEWS README README.CVS
+
+%changelog
+* Sat May 11 2013 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0.2-3mamba
+- rebuilt as legacy package
+
+* Sun Aug 22 2010 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0.2-2mamba
+- added patch to fix a missing include for openexr to build successfully
+
+* Sat Jul 24 2010 Automatic Build System <autodist@mambasoft.it> 1.0.2-1mamba
+- automatic update by autodist
+
+* Sun Mar 07 2010 Davide Madrisan <davide.madrisan@gmail.com> 1.0.1-4mamba
+- patched to fix several undefined reference errors at link time
+- remove documentation for osx and windows platforms
+
+* Thu Jun 11 2009 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0.1-2mamba
+- rebuilt
+
+* Wed Jun 03 2009 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0.1-1mamba
+- package created by autospec