diff --git a/.gitignore b/.gitignore
index a79e11f..ec5b3d4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1 @@
-/polymake-2.13.tar.bz2
-/polymake-polymake-e7cc76d.tar.gz
+/polymake-polymake-10d8dab.tar.gz
diff --git a/polymake-fedora.patch b/polymake-fedora.patch
index adda56e..e740e7d 100644
--- a/polymake-fedora.patch
+++ b/polymake-fedora.patch
@@ -1,5 +1,5 @@
---- ./apps/polytope/src/Makefile.inc.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./apps/polytope/src/Makefile.inc	2014-09-10 20:00:00.000000000 -0600
+--- ./apps/polytope/src/Makefile.inc.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./apps/polytope/src/Makefile.inc	2014-11-08 20:00:00.000000000 -0700
 @@ -1,12 +1,12 @@
  ifeq (${ExtensionTop},)
    StaticLibs := cdd lrs
@@ -17,8 +17,8 @@
  endif
  
  ifneq ($(filter 4.4% 4.5%,${GCCversion}),)
---- ./bundled/group/apps/polytope/src/Makefile.inc.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./bundled/group/apps/polytope/src/Makefile.inc	2014-09-10 20:00:00.000000000 -0600
+--- ./bundled/group/apps/polytope/src/Makefile.inc.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./bundled/group/apps/polytope/src/Makefile.inc	2014-11-08 20:00:00.000000000 -0700
 @@ -1,14 +1,10 @@
  ifeq (${ImportedIntoExtension},)
    StaticLibs := sympol
@@ -37,8 +37,8 @@
  endif
  
  # Local Variables:
---- ./bundled/group/configure.pl.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./bundled/group/configure.pl	2014-09-10 20:00:00.000000000 -0600
+--- ./bundled/group/configure.pl.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./bundled/group/configure.pl	2014-11-08 20:00:00.000000000 -0700
 @@ -28,7 +28,7 @@ sub proceed {
     my ($options)=@_;
     my $boost_path;
@@ -48,8 +48,8 @@
  
     if (defined ($boost_path=$options->{boost})) {
        $boost_path .= '/include' if (-d "$boost_path/include/boost");
---- ./bundled/group/staticlib/sympol/Makefile.inc.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./bundled/group/staticlib/sympol/Makefile.inc	2014-09-10 20:00:00.000000000 -0600
+--- ./bundled/group/staticlib/sympol/Makefile.inc.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./bundled/group/staticlib/sympol/Makefile.inc	2014-11-08 20:00:00.000000000 -0700
 @@ -4,7 +4,7 @@ src := $(ExtensionTop)/external/sympol/s
  
  vpath %.cpp $(src)
@@ -59,8 +59,8 @@
  
  # Local Variables:
  # mode: Makefile
---- ./bundled/libnormaliz/apps/polytope/src/Makefile.inc.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./bundled/libnormaliz/apps/polytope/src/Makefile.inc	2014-09-10 20:00:00.000000000 -0600
+--- ./bundled/libnormaliz/apps/polytope/src/Makefile.inc.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./bundled/libnormaliz/apps/polytope/src/Makefile.inc	2014-11-08 20:00:00.000000000 -0700
 @@ -1,4 +1,5 @@
 -  ExtraCXXFLAGS = -I$(ExtensionTop)/external/libnormaliz
 +  ExtraCXXFLAGS = -I/usr/include/libnormaliz
@@ -68,8 +68,8 @@
  
  # Local Variables:
  # mode: Makefile
---- ./bundled/libnormaliz/apps/polytope/src/normaliz.cc.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./bundled/libnormaliz/apps/polytope/src/normaliz.cc	2014-09-10 20:00:00.000000000 -0600
+--- ./bundled/libnormaliz/apps/polytope/src/normaliz.cc.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./bundled/libnormaliz/apps/polytope/src/normaliz.cc	2014-11-08 20:00:00.000000000 -0700
 @@ -33,7 +33,7 @@ namespace libnormaliz {
     }
  }
@@ -79,8 +79,8 @@
  
  namespace libnormaliz {
     template<> inline long explicit_cast_to_long(const pm::Integer& a) {
---- ./perl/polymake-config.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./perl/polymake-config	2014-09-10 20:00:00.000000000 -0600
+--- ./perl/polymake-config.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./perl/polymake-config	2014-11-08 20:00:00.000000000 -0700
 @@ -125,9 +125,6 @@ while (defined ($_=shift)) {
  
     } elsif ($_ eq "--ldflags") {
@@ -100,8 +100,8 @@
        }
        $ldflags=~s/^\s+//; $ldflags=~s/\s+$//; $ldflags=~s/\s{2,}/ /g;
        if ($debug_asked=defined($debug)) {
---- ./staticlib/cdd/Makefile.inc.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./staticlib/cdd/Makefile.inc	2014-09-10 20:00:00.000000000 -0600
+--- ./staticlib/cdd/Makefile.inc.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./staticlib/cdd/Makefile.inc	2014-11-08 20:00:00.000000000 -0700
 @@ -1,6 +1,3 @@
 -OwnLibraries := libcdd libcddgmp
 -LibModules := cddio cddmp cddlib cddcore cddlp cddproj setoper
@@ -118,16 +118,16 @@
    $(addsuffix $(LO), $(LibModules)) : $(SourceDir)/globals_gmp.h
  
    libcddgmp : ExtraCFLAGS += -DGMPRATIONAL $(call addinclude, $(SourceDir)/globals_gmp.h)
---- ./staticlib/lrs/Makefile.inc.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./staticlib/lrs/Makefile.inc	2014-09-10 20:00:00.000000000 -0600
+--- ./staticlib/lrs/Makefile.inc.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./staticlib/lrs/Makefile.inc	2014-11-08 20:00:00.000000000 -0700
 @@ -1,5 +1,3 @@
 -OwnLibraries := liblrsgmp
 -LibModules := lrslib lrsgmp
  src := $(ProjectTop)/external/lrs
  vpath %.c $(src)
  
---- ./support/configure.pl.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./support/configure.pl	2014-09-10 20:00:00.000000000 -0600
+--- ./support/configure.pl.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./support/configure.pl	2014-11-08 20:00:00.000000000 -0700
 @@ -371,7 +371,7 @@ if (defined $CC) {
  print "ok ($CXX is ", defined($GCCversion) ? "GCC $GCCversion" : defined($CLANGversion) ? "CLANG $CLANGversion" : "ICC $ICCversion", ")\n";
  
@@ -137,7 +137,7 @@
  $CXXDEBUG =$vars{CXXDEBUG} || "";
  $Cflags   =$vars{CFLAGS}   || "";
  $CXXflags =$vars{CXXFLAGS} || $Cflags;
-@@ -557,10 +557,6 @@ if (defined $GMP) {
+@@ -558,10 +558,6 @@ if (defined $GMP) {
     $CXXflags .= " -I$GMP/include";
     my $libdir=get_libdir($GMP, "gmp");
     $LDflags .= " -L$libdir";
@@ -148,7 +148,7 @@
  }
  
  my $MPFR=$options{mpfr};
-@@ -569,10 +565,6 @@ if (defined($MPFR) && $MPFR ne $GMP) {
+@@ -570,10 +566,6 @@ if (defined($MPFR) && $MPFR ne $GMP) {
     $CXXflags .= " -I$MPFR/include";
     my $libdir=get_libdir($MPFR, "mpfr");
     $LDflags .= " -L$libdir";
diff --git a/polymake-format.patch b/polymake-format.patch
index b7cf21b..329c8f7 100644
--- a/polymake-format.patch
+++ b/polymake-format.patch
@@ -1,5 +1,5 @@
---- ./lib/core/src/perl/RefHash.xs.orig	2014-04-04 12:57:29.000000000 -0600
-+++ ./lib/core/src/perl/RefHash.xs	2014-04-07 11:24:29.567642078 -0600
+--- ./lib/core/src/perl/RefHash.xs.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./lib/core/src/perl/RefHash.xs	2014-11-08 20:00:00.000000000 -0700
 @@ -88,7 +88,7 @@ SV* ref2key(SV *keysv, tmp_keysv *tmp_ke
     }                                                                    \
  } STMT_END
diff --git a/polymake-libnormaliz.patch b/polymake-libnormaliz.patch
index 94eeeae..f75d006 100644
--- a/polymake-libnormaliz.patch
+++ b/polymake-libnormaliz.patch
@@ -1,5 +1,5 @@
---- ./bundled/libnormaliz/apps/polytope/src/normaliz.cc.orig	2014-09-10 20:00:00.000000000 -0600
-+++ ./bundled/libnormaliz/apps/polytope/src/normaliz.cc	2014-09-10 20:00:00.000000000 -0600
+--- ./bundled/libnormaliz/apps/polytope/src/normaliz.cc.orig	2014-11-08 20:00:00.000000000 -0700
++++ ./bundled/libnormaliz/apps/polytope/src/normaliz.cc	2014-11-08 20:00:00.000000000 -0700
 @@ -36,11 +36,11 @@
  #include <libnormaliz/cone.h>
  
diff --git a/polymake-lrslib.patch b/polymake-lrslib.patch
index 05f01e3..8fe3b39 100644
--- a/polymake-lrslib.patch
+++ b/polymake-lrslib.patch
@@ -1,5 +1,5 @@
---- ./apps/polytope/src/lrs_interface.cc.orig	2014-04-04 12:57:29.000000000 -0600
-+++ ./apps/polytope/src/lrs_interface.cc	2014-04-07 11:24:05.734648579 -0600
+--- ./apps/polytope/src/lrs_interface.cc.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./apps/polytope/src/lrs_interface.cc	2014-11-08 20:00:00.000000000 -0700
 @@ -309,7 +309,7 @@ struct solver::dictionary {
     {
        // initialize static lrs data
diff --git a/polymake-singular.patch b/polymake-singular.patch
index 025a526..1366126 100644
--- a/polymake-singular.patch
+++ b/polymake-singular.patch
@@ -1,5 +1,5 @@
---- ./bundled/singular/apps/ideal/include/internal/singularRingManager.h.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./bundled/singular/apps/ideal/include/internal/singularRingManager.h	2014-09-10 20:00:00.000000000 -0600
+--- ./bundled/singular/apps/ideal/include/internal/singularRingManager.h.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./bundled/singular/apps/ideal/include/internal/singularRingManager.h	2014-11-08 20:00:00.000000000 -0700
 @@ -22,7 +22,7 @@
  #include "polymake/client.h"
  #include "polymake/Map.h"
@@ -9,8 +9,8 @@
  #include "polymake/ideal/internal/singularTermOrderData.h"
  #include "polymake/ideal/internal/singularTermOrderMap.h"
  #include "polymake/ideal/internal/singularConvertTypes.h"
---- ./bundled/singular/apps/ideal/include/internal/singularTermOrderData.h.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./bundled/singular/apps/ideal/include/internal/singularTermOrderData.h	2014-09-10 20:00:00.000000000 -0600
+--- ./bundled/singular/apps/ideal/include/internal/singularTermOrderData.h.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./bundled/singular/apps/ideal/include/internal/singularTermOrderData.h	2014-11-08 20:00:00.000000000 -0700
 @@ -21,7 +21,7 @@
  #include "polymake/Ring.h"
  #include "polymake/Polynomial.h"
@@ -20,8 +20,8 @@
  
  namespace polymake { 
  namespace ideal {
---- ./bundled/singular/apps/ideal/include/internal/singularTermOrderMap.h.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./bundled/singular/apps/ideal/include/internal/singularTermOrderMap.h	2014-09-10 20:00:00.000000000 -0600
+--- ./bundled/singular/apps/ideal/include/internal/singularTermOrderMap.h.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./bundled/singular/apps/ideal/include/internal/singularTermOrderMap.h	2014-11-08 20:00:00.000000000 -0700
 @@ -20,7 +20,7 @@
  #include "polymake/Map.h"
  #include "polymake/ideal/internal/singularTermOrderData.h"
@@ -31,8 +31,8 @@
  
  namespace polymake { 
  namespace ideal {
---- ./bundled/singular/apps/ideal/include/internal/singularUtils.h.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./bundled/singular/apps/ideal/include/internal/singularUtils.h	2014-09-10 20:00:00.000000000 -0600
+--- ./bundled/singular/apps/ideal/include/internal/singularUtils.h.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./bundled/singular/apps/ideal/include/internal/singularUtils.h	2014-11-08 20:00:00.000000000 -0700
 @@ -18,7 +18,7 @@
  #define POLYMAKE_IDEAL_INTERNAL_SINGULAR_UTILS_H
  
@@ -42,8 +42,8 @@
  
  // polymake includes
  #include "polymake/client.h"
---- ./bundled/singular/apps/ideal/src/singularConvertTypes.cc.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./bundled/singular/apps/ideal/src/singularConvertTypes.cc	2014-09-10 20:00:00.000000000 -0600
+--- ./bundled/singular/apps/ideal/src/singularConvertTypes.cc.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./bundled/singular/apps/ideal/src/singularConvertTypes.cc	2014-11-08 20:00:00.000000000 -0700
 @@ -53,7 +53,7 @@ number convert_Rational_to_number(const
     mpz_set(num,numerator(r).get_rep());
     mpz_init(denom);
@@ -62,14 +62,14 @@
     }
     return p;
  }
---- ./bundled/singular/apps/ideal/src/singularIdeal.cc.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./bundled/singular/apps/ideal/src/singularIdeal.cc	2014-09-10 20:00:00.000000000 -0600
+--- ./bundled/singular/apps/ideal/src/singularIdeal.cc.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./bundled/singular/apps/ideal/src/singularIdeal.cc	2014-11-08 20:00:00.000000000 -0700
 @@ -16,9 +16,9 @@
  
  #include <dlfcn.h>
  
 -#include <Singular/libsingular.h>
--#include <kernel/GBEngine/stairc.h>
+-#include <kernel/combinatorics/stairc.h>
 -#include <coeffs/mpr_complex.h>
 +#include <libsingular.h>
 +#include <singular/stairc.h>
@@ -102,8 +102,8 @@
           rSetHdl(solRingHdl);
           // retrieve solution list SOL from the interpreter
           idhdl sol = ggetid("SOL");
---- ./bundled/singular/apps/ideal/src/singularInit.cc.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./bundled/singular/apps/ideal/src/singularInit.cc	2014-09-10 20:00:00.000000000 -0600
+--- ./bundled/singular/apps/ideal/src/singularInit.cc.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./bundled/singular/apps/ideal/src/singularInit.cc	2014-11-08 20:00:00.000000000 -0700
 @@ -80,8 +80,8 @@ void init_singular()
     cerr << "*** singular siInit done. ***" << endl;
  #else
@@ -115,8 +115,8 @@
  #endif
     singular_initialized = 1;
  }
---- ./bundled/singular/apps/ideal/src/singularUtils.cc.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./bundled/singular/apps/ideal/src/singularUtils.cc	2014-09-10 20:00:00.000000000 -0600
+--- ./bundled/singular/apps/ideal/src/singularUtils.cc.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./bundled/singular/apps/ideal/src/singularUtils.cc	2014-11-08 20:00:00.000000000 -0700
 @@ -16,7 +16,7 @@
  
  #include <dlfcn.h>
@@ -126,8 +126,8 @@
  
  #include "polymake/client.h"
  #include "polymake/Matrix.h"
---- ./bundled/singular/configure.pl.orig	2014-08-11 08:41:59.000000000 -0600
-+++ ./bundled/singular/configure.pl	2014-09-10 20:00:00.000000000 -0600
+--- ./bundled/singular/configure.pl.orig	2014-10-13 06:14:22.000000000 -0600
++++ ./bundled/singular/configure.pl	2014-11-08 20:00:00.000000000 -0700
 @@ -45,12 +45,12 @@ sub proceed {
     chomp $singularprefix;
     # yes we need it twice ...
diff --git a/polymake.spec b/polymake.spec
index f8efd55..22e6e2b 100644
--- a/polymake.spec
+++ b/polymake.spec
@@ -2,16 +2,16 @@
 # rebuilt, because each BRs the other and both are linked against the old
 # version of the library.  Use this to rebuild polymake without Singular
 # support, rebuild Singular, then build polymake again with Singular support.
-%bcond_without singular
+%bcond_with singular
 
 # Date of the "perpetual beta" git snapshot
-%global gitdate  20140811
-%global gittag   e7cc76d1890e4d7f22d0684ffd294a743cc4c3b6
+%global gitdate  20141013
+%global gittag   10d8dab96e07470a9748440c595e17cdbdb13bff
 %global shorttag %(cut -b -7 <<< %{gittag})
 
 Name:           polymake
 Version:        2.13
-Release:        11%{?gitdate:.git%{gitdate}}%{?dist}
+Release:        12%{?gitdate:.git%{gitdate}}%{?dist}
 Summary:        Algorithms on convex polytopes and polyhedra
 
 License:        GPLv2+
@@ -135,12 +135,22 @@ This package contains documentation for %{name}.
 %patch3
 %patch4
 
+fixtimestamp() {
+  touch -r $1.orig $1
+  rm -f $1.orig
+}
+
 # Make sure we don't build against the bundled libraries.
 rm -fr external/{cdd,lrs}
 
 # Adapt to a newer version of sympol
-sed -i "s|yal/||;s|symmetrygroupconstruction/||" \
+sed -i.orig "s|yal/||;s|symmetrygroupconstruction/||" \
     bundled/group/apps/polytope/src/sympol_interface.cc
+fixtimestamp bundled/group/apps/polytope/src/sympol_interface.cc
+
+# Adapt to lrslib 050
+sed -i.orig '/lrs_mp_close/d' bundled/group/external/sympol/sympol/raycomputationlrs.cpp
+fixtimestamp bundled/group/external/sympol/sympol/raycomputationlrs.cpp
 
 # Adapt to the way the Fedora Singular package is assembled
 %if %{with singular}
@@ -247,6 +257,9 @@ sed -i 's,%{buildroot},,' %{buildroot}%{polydir}/bundled/singular/conf.make
 %doc doc/*
 
 %changelog
+* Mon Nov 10 2014 Jerry James <loganjerry@gmail.com> - 2.13-12.git20141013
+- Update to latest perpetual beta snapshot
+
 * Tue Sep 16 2014 Jerry James <loganjerry@gmail.com> - 2.13-11.git20140811
 - Rebuild with Singular support
 
diff --git a/sources b/sources
index 5734280..f0a1d60 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-6749cb39f34a14210e0486dc6c5a98c0  polymake-polymake-e7cc76d.tar.gz
+563334ad664ae2b66d3a7836b6bc1b3e  polymake-polymake-10d8dab.tar.gz