diff --git a/README.md b/README.md
index d59c22d..f46d7a3 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # libchm
 
+CHMLIB is a library for dealing with Microsoft ITSS/CHM format files.
+
diff --git a/libchm-0.40-arm-guess.patch b/libchm-0.40-arm-guess.patch
new file mode 100644
index 0000000..b3d7aca
--- /dev/null
+++ b/libchm-0.40-arm-guess.patch
@@ -0,0 +1,12 @@
+diff -Nru chmlib-0.40.orig/src/chm_lib.c chmlib-0.40/src/chm_lib.c
+--- chmlib-0.40.orig/src/chm_lib.c	2009-05-23 16:43:31.000000000 +0200
++++ chmlib-0.40/src/chm_lib.c	2011-12-12 16:11:21.499378848 +0100
+@@ -153,7 +153,7 @@
+ /* Sparc        */
+ /* MIPS         */
+ /* PPC          */
+-#elif __i386__ || __sun || __sgi || __ppc__
++#elif __i386__ || __sun || __sgi || __ppc__ || __arm__
+ typedef unsigned char           UChar;
+ typedef short                   Int16;
+ typedef unsigned short          UInt16;
diff --git a/libchm.spec b/libchm.spec
new file mode 100644
index 0000000..1bcd499
--- /dev/null
+++ b/libchm.spec
@@ -0,0 +1,64 @@
+Name:          libchm
+Version:       0.40
+Release:       1mamba
+Summary:       CHMLIB is a library for dealing with Microsoft ITSS/CHM format files
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://www.jedrea.com/chmlib
+Source:        http://www.jedrea.com/chmlib/chmlib-%{version}.tar.bz2
+Patch0:        %{name}-0.40-arm-guess.patch
+License:       LGPL
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+CHMLIB is a library for dealing with Microsoft ITSS/CHM format files.
+
+%package devel
+Group:         Development/Libraries
+Summary:       Static libraries and headers for %{name}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}
+
+%description devel
+This package contains static libraries and header files need for development.
+
+%prep
+%setup -q -n chmlib-%{version}
+%patch0 -p1
+
+%build
+%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 NEWS README
+
+%files devel
+%defattr(-,root,root)
+%{_includedir}/*.h
+%{_libdir}/*.a
+%{_libdir}/*.la
+%{_libdir}/*.so
+
+%changelog
+* Fri Jun 05 2009 Automatic Build System <autodist@mambasoft.it> 0.40-1mamba
+- automatic update by autodist
+
+* Tue Apr 17 2007 Stefano Cotta Ramusino <stefano.cotta@openmamba.org> 0.39-1mamba
+- update to version 0.39 by autospec
+
+* Wed Feb 15 2006 Alessandro Ramazzina <alessandro.ramazzina@qilinux.it> 0.37.4-1qilnx
+- package created by autospec