--- /dev/null
+--- XSB/build/configure.in.orig 2011-12-15 22:06:14.000000000 +0100
++++ XSB/build/configure.in 2012-04-20 21:32:04.679356156 +0200
+@@ -555,14 +555,7 @@
+ else
+ canonical=`${CONFIG_SHELL-/bin/sh} ./config.sub $configuration 2>&1`
+
+- if test -n "`echo "$canonical" | sed -e [s/${configuration}//]`" ; then
+- echo $canonical
+- echo ""
+- rm -f buildxsb.lock
+- exit 1
+- else
+ AC_MSG_NOTICE([checking host system type... $canonical])
+- fi
+ fi
+
+
+@@ -1704,6 +1704,7 @@
+ ### Specify what will be substituted into Makefile, xsb_config.h, etc.
+ AC_SUBST(xsb_version)
+ AC_SUBST(canonical)
++AC_SUBST(configuration)
+ AC_SUBST(full_config_name)
+ AC_SUBST(topdir)
+ AC_SUBST(prefix)
+--- XSB/build/xsb.in.orig 2011-09-09 12:18:44.000000000 +0200
++++ XSB/build/xsb.in 2012-04-22 07:30:27.610140318 +0200
+@@ -74,8 +74,8 @@
+ scriptdir=`dirname $thisfile`
+ topdir=`dirname $scriptdir`
+
+-config=`$topdir/build/config.guess`
+-canonical=`$topdir/build/config.sub $config`
++config="@configuration@"
++canonical="@canonical@"
+ exec_dir=$topdir/config/${canonical}${suffix}
+ executable=${exec_dir}/bin/xsb
+
--- /dev/null
+Summary: XSB Prolog Distribution
+Summary(pl.UTF-8): Dystrybucja XSB Prologa
+Name: XSB
+Version: 3.3.6
+Release: 0.1
+License: LGPL v2
+Group: Development/Languages
+Source0: http://xsb.sourceforge.net/downloads/%{name}336.tar.gz
+# Source0-md5: bd43680832cbe9a33ce1a9fc21d81d83
+Patch0: %{name}-configure.patch
+URL: http://xsb.sourceforge.net/
+BuildRequires: autoconf
+BuildRoot: %{tmpdir}/%{name}-%{version}-root-%(id -u -n)
+
+%description
+XSB Prolog Distribution - a logic programming and deductive database
+system.
+
+%description -l pl.UTF-8
+Dystrybucja XSB Prologa - system programowania w logice oraz
+dedukcyjnych baz danych.
+
+%prep
+%setup -q -n %{name}
+%patch0 -p1
+
+%build
+installdir=$(pwd)/install
+cd build
+%{__autoconf}
+%configure \
+ --prefix=$installdir
+%{__make} -f ../config/%{_target_platform}*/topMakefile
+
+%install
+rm -rf $RPM_BUILD_ROOT
+install -d $RPM_BUILD_ROOT%{_libdir}/XSB
+
+cp -a install/* $RPM_BUILD_ROOT%{_libdir}/XSB
+
+cd build
+%{__make} -f ../config/%{_target_platform}*/topMakefile \
+ prefix=$RPM_BUILD_ROOT%{_libdir}/XSB
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%files
+%defattr(644,root,root,755)
+%doc FAQ LICENSE README
+%attr(755,root,root) %{_bindir}/*
+# TODO