diff --git a/README.md b/README.md
index 199ed6a..5383616 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # arj
 
+The arj program is an open source clone of the ARJ archiver for DOS and Windows. It can be used to create and extract archives and uses the save format as the proprietary version.
+
diff --git a/arj-3.10.22-postproc.patch b/arj-3.10.22-postproc.patch
new file mode 100644
index 0000000..f894299
--- /dev/null
+++ b/arj-3.10.22-postproc.patch
@@ -0,0 +1,11 @@
+--- arj-3.10.22/postproc.c	2003-06-22 13:12:28.000000000 +0200
++++ arj-3.10.22/postproc.c	2006-01-27 16:57:14.000000000 +0100
+@@ -71,7 +71,7 @@
+   if((bytes_read=fread(buf, 1, PROC_BLOCK_SIZE, stream))==0)
+   {
+    printf("Patch not found\n");
+-   return(POSTPROC_ERL_BAD_EXE);
++   break;     /* return(POSTPROC_ERL_BAD_EXE); */
+   }
+   bytes_read-=rp_len;
+   pb_ptr=buf;
diff --git a/arj-3.10.22-strnlen.patch b/arj-3.10.22-strnlen.patch
new file mode 100644
index 0000000..bf791eb
--- /dev/null
+++ b/arj-3.10.22-strnlen.patch
@@ -0,0 +1,20 @@
+--- arj-3.10.22/fardata.c.org	2009-08-20 10:28:36.000000000 +0000
++++ arj-3.10.22/fardata.c	2009-08-20 10:28:53.000000000 +0000
+@@ -190,7 +190,7 @@
+ 
+ /* Length-limited strlen() */
+ 
+-static int strnlen(const char FAR *s, int count)
++static int strnlen_arj(const char FAR *s, int count)
+ {
+  const char FAR *sc;
+ 
+@@ -569,7 +569,7 @@
+     if(!s)
+      s="(null)";
+ #endif
+-    len=strnlen(s, precision);
++    len=strnlen_arj(s, precision);
+     if(!(flags&LEFT))
+     {
+      while(len<field_width--)
diff --git a/arj.spec b/arj.spec
new file mode 100644
index 0000000..600af49
--- /dev/null
+++ b/arj.spec
@@ -0,0 +1,60 @@
+Name:          arj
+Version:       3.10.22
+Release:       3mamba
+Summary:       An open source and portable version of the ARJ archiver
+Group:         Applications/Archiving
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://arj.sourceforge.net/
+Source:        http://downloads.sourceforge.net/sourceforge/%{name}/%{name}-%{version}.tar.gz
+Patch:         %{name}-3.10.22-postproc.patch
+Patch1:        %{name}-3.10.22-strnlen.patch
+License:       GPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+## AUTOBUILDREQ-END
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+The arj program is an open source clone of the ARJ archiver for DOS and Windows. It can be used to create and extract archives and uses the save format as the proprietary version.
+
+%prep
+%setup -q
+%patch -p1
+%patch1 -p1
+
+%build
+pushd gnu
+libtoolize --force --install
+autoconf
+%configure
+popd
+
+%make -j1
+
+%install
+[ "%{buildroot}" != / ] && rm -rf %{buildroot}
+%makeinstall
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf %{buildroot}
+
+%files
+%defattr(-,root,root)
+%{_bindir}/*
+%{_libdir}/%{name}/arjcrypt.so
+%{_mandir}/man1/*
+%doc doc/COPYING
+#% doc ChangeLog doc
+
+%changelog
+* Wed Aug 22 2012 Silvan Calarco <silvan.calarco@mambasoft.it> 3.10.22-3mamba
+- added patch to build with current gcc
+- call libtoolize --install to recreate a config.sub which is x86_64 compatible
+
+* Wed Mar 19 2008 Silvan Calarco <silvan.calarco@mambasoft.it> 3.10.22-2mamba
+- specfile updates
+
+* Fri Jan 27 2006 Stefano Cotta Ramusino <stefano.cotta@qilinux.it> 3.10.22-1qilnx
+- package created by autospec