diff --git a/README.md b/README.md
index 95b1ee9..5b9fa9b 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # cln
 
+CLN is a library for efficient computations with all kinds of numbers in arbitrary precision.
+
diff --git a/cln-1.3.2-Pre-processor-fix-for-ARM.patch b/cln-1.3.2-Pre-processor-fix-for-ARM.patch
new file mode 100644
index 0000000..6446b56
--- /dev/null
+++ b/cln-1.3.2-Pre-processor-fix-for-ARM.patch
@@ -0,0 +1,68 @@
+diff -dur cln-1.2.2.backup/src/base/digitseq/cl_asm_arm_.cc cln-1.2.2/src/base/digitseq/cl_asm_arm_.cc
+--- cln-1.2.2.backup/src/base/digitseq/cl_asm_arm_.cc	2001-05-25 16:00:18.000000000 -0400
++++ cln-1.2.2/src/base/digitseq/cl_asm_arm_.cc	2009-08-18 12:21:20.000000000 -0400
+@@ -42,6 +42,7 @@
+ 
+ #define C(x) _##x
+ #define EXPORT(x) EXPORT x
++#define DECLARE_WORD(x) x
+ #define DECLARE_FUNCTION(x)
+ #define GLABEL(x) _##x
+ #define LABEL(x) _##x
+@@ -70,15 +71,33 @@
+ lr      .req    r14
+ pc      .req    r15
+ 
++
++
++#ifdef ASM_UNDERSCORE
+ #define C(x) _##x
+ #define EXPORT(x) .global _##x
++#define DECLARE_WORD(x) .word _##x
+ #if defined(__NetBSD__)
+ #define DECLARE_FUNCTION(x) .type _##x,%function
+ #else
+ #define DECLARE_FUNCTION(x)
+ #endif
+-#define GLABEL(x) _##x##:
+-#define LABEL(x) x##:
++#define GLABEL(x) _##x:
++
++#else
++#define C(x) x
++#define EXPORT(x) .global x
++#define DECLARE_WORD(x) .word x
++#if defined(__NetBSD__)
++#define DECLARE_FUNCTION(x) .type x,%function
++#else
++#define DECLARE_FUNCTION(x)
++#endif
++#define GLABEL(x) x:
++
++#endif
++
++#define LABEL(x) x:
+ #define RRX rrx
+ #define END
+ 
+@@ -128,17 +147,17 @@
+ 
+ #ifdef MULU32_HIGH
+ ptr_mulu32_high:
+-        .word   _mulu32_high
++        DECLARE_WORD(mulu32_high)
+         .align  0
+ #endif
+ #ifdef DIVU_16_REST
+ ptr_divu_16_rest:
+-        .word   _divu_16_rest
++        DECLARE_WORD(divu_16_rest)
+         .align  0
+ #endif
+ #ifdef DIVU_32_REST
+ ptr_divu_32_rest:
+-        .word   _divu_32_rest
++        DECLARE_WORD(divu_32_rest)
+         .align  0
+ #endif
+ 
diff --git a/cln.spec b/cln.spec
new file mode 100644
index 0000000..3e9556d
--- /dev/null
+++ b/cln.spec
@@ -0,0 +1,90 @@
+Name:          cln
+Version:       1.3.3
+Release:       1mamba
+Summary:       Class Library for Numbers
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Davide Madrisan <davide.madrisan@gmail.com>
+URL:           http://www.ginac.de/CLN/
+Source:        http://www.ginac.de/CLN/cln-%{version}.tar.bz2
+Patch0:        %{name}-1.3.2-Pre-processor-fix-for-ARM.patch
+License:       GPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libgcc
+BuildRequires: libgmp-devel
+BuildRequires: libstdc++6-devel
+## AUTOBUILDREQ-END
+Requires(post):%{__install_info} 
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+CLN is a library for efficient computations with all kinds of numbers in arbitrary precision.
+
+%package devel
+Group:         Development/Libraries
+Summary:       Static libraries and headers for %{name}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description devel
+CLN is a library for efficient computations with all kinds of numbers in arbitrary precision.
+This package contains header files need for development.
+
+%prep
+%setup -q
+%patch0 -p1
+
+%build
+%configure
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall
+
+rm -f %{buildroot}%{_bindir}/pi
+rm -f %{buildroot}%{_mandir}/man1/pi.*
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -p /sbin/ldconfig
+%preun -p /sbin/ldconfig
+
+%post devel
+%install_info cln.info
+exit 0
+
+%preun devel
+%uninstall_info cln.info
+exit 0
+
+%files
+%defattr(-,root,root)
+%{_libdir}/libcln.so.*
+%doc COPYING
+
+%files devel
+%defattr(-,root,root)
+%dir %{_includedir}/cln
+%{_includedir}/cln/*.h
+%{_libdir}/libcln.a
+%{_libdir}/libcln.la
+%{_libdir}/libcln.so
+%{_libdir}/pkgconfig/cln.pc
+%{_infodir}/cln.info.*
+%doc ChangeLog NEWS README TODO
+
+%changelog
+* Mon Jul 22 2013 Automatic Build System <autodist@mambasoft.it> 1.3.3-1mamba
+- automatic version update by autodist
+
+* Thu May 12 2011 Automatic Build System <autodist@mambasoft.it> 1.3.2-1mamba
+- automatic update by autodist
+
+* Sun Nov 21 2010 Silvan Calarco <silvan.calarco@mambasoft.it> 1.3.1-2mamba
+- rename specfile like package name
+
+* Sat Aug 14 2010 Davide Madrisan <davide.madrisan@gmail.com> 1.3.1-1mamba
+- package created by autospec