diff --git a/README.md b/README.md
index 73fe121..a438f28 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # libx86
 
+It's often useful to be able to make real-mode x86 BIOS calls from userland. lrmi provides a simple interface to this for x86 machines, but this doesn't help on other platforms. libx86 provides the lrmi interface, but will also run on platforms such as amd64 and alpha.
+
diff --git a/libx86-0.99-ifmask.patch b/libx86-0.99-ifmask.patch
new file mode 100644
index 0000000..c99eeb8
--- /dev/null
+++ b/libx86-0.99-ifmask.patch
@@ -0,0 +1,21 @@
+--- lrmi.c.orig	2008-09-06 12:24:36.070136428 +0200
++++ lrmi.c	2008-09-06 12:28:10.584287458 +0200
+@@ -55,6 +55,18 @@ OTHER DEALINGS IN THE SOFTWARE.
+ #include "x86-common.h"
+ 
+ #if defined(__linux__)
++#ifndef TF_MASK
++#define TF_MASK X86_EFLAGS_TF
++#endif
++#ifndef IF_MASK
++#define IF_MASK X86_EFLAGS_IF
++#endif
++#ifndef IOPL_MASK
++#define IOPL_MASK X86_EFLAGS_IOPL
++#endif
++#ifndef VIF_MASK
++#define VIF_MASK X86_EFLAGS_VIF
++#endif
+ #define DEFAULT_VM86_FLAGS 	(IF_MASK | IOPL_MASK)
+ #elif defined(__NetBSD__) || defined(__FreeBSD__)
+ #define DEFAULT_VM86_FLAGS  (PSL_I | PSL_IOPL)
diff --git a/libx86.spec b/libx86.spec
new file mode 100644
index 0000000..79314b4
--- /dev/null
+++ b/libx86.spec
@@ -0,0 +1,63 @@
+Name:          libx86
+Version:       1.1
+Release:       2mamba
+Summary:       A hardware-independent library for executing real-mode x86 code
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://www.codon.org.uk/~mjg59/libx86/
+Source:        http://www.codon.org.uk/%7Emjg59/libx86/downloads/libx86-%{version}.tar.gz
+Patch0:        %{name}-0.99-ifmask.patch
+License:       GPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+## AUTOBUILDREQ-END
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+It's often useful to be able to make real-mode x86 BIOS calls from userland. lrmi provides a simple interface to this for x86 machines, but this doesn't help on other platforms. libx86 provides the lrmi interface, but will also run on platforms such as amd64 and alpha.
+
+%package devel
+Summary:       Development files for %{name}
+Group:         Development/Libraries
+Requires:      %{name} = %{version}
+
+%description devel
+It's often useful to be able to make real-mode x86 BIOS calls from userland. lrmi provides a simple interface to this for x86 machines, but this doesn't help on other platforms. libx86 provides the lrmi interface, but will also run on platforms such as amd64 and alpha.
+This package contains the development files for %{name}.
+
+%prep
+%setup -q
+%patch0 -p0
+
+%build
+%make LIBDIR=%{_libdir} BACKEND=x86emu
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall LIBDIR=%{_libdir}
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%files
+%defattr(-,root,root)
+%{_libdir}/libx86.so.*
+
+%files devel
+%defattr(-,root,root)
+%{_libdir}/libx86.a
+%{_libdir}/libx86.so
+%{_includedir}/libx86.h
+
+%changelog
+* Wed Nov 21 2012 Silvan Calarco <silvan.calarco@mambasoft.it> 1.1-2mamba
+- rebuilt with BACKEND=x86emu which makes it portable on non x86 archs (needs retest on x86)
+
+* Mon May 18 2009 Automatic Build System <autodist@mambasoft.it> 1.1-1mamba
+- automatic update by autodist
+
+* Tue Jan 08 2008 Silvan Calarco <silvan.calarco@mambasoft.it> 0.99-1mamba
+- package created by autospec
+