diff --git a/Math-Pari-2.010802-docs-and-testsuite.patch b/Math-Pari-2.010802-docs-and-testsuite.patch
new file mode 100644
index 0000000..dadf9d3
--- /dev/null
+++ b/Math-Pari-2.010802-docs-and-testsuite.patch
@@ -0,0 +1,20 @@
+--- Math-Pari-2.010802/Makefile.PL.orig	2009-10-29 10:47:15.349216927 +0000
++++ Math-Pari-2.010802/Makefile.PL	2009-10-29 11:12:54.651293844 +0000
+@@ -102,11 +102,13 @@
+ }
+ 
+ my %opts;
++
++# We want to build the docs and the test suite even though we're using the system pari lib
++build_tests $paridir;				# Convert the test suite
++make_pod 'libPARI.pod', '-to_pod', $paridir;	# Now the docs
++make_pod 'libPARI.dumb.pod', '-to_dumb_pod', $paridir;
++
+ unless ($common::parilib) {
+-  build_tests $paridir;		# Convert the test suite
+-  make_pod 'libPARI.pod', '-to_pod', $paridir; # Now the docs
+-  make_pod 'libPARI.dumb.pod', '-to_dumb_pod', $paridir;
+-  # ... and paricfg.h
+   %opts = build_paricfg($paridir, $common::do_configure, $pari_version);
+ 
+   if ($ENV{MATH_PARI_REPORT_CODES}) {
diff --git a/Math-Pari-2.010802-no-fake-version.patch b/Math-Pari-2.010802-no-fake-version.patch
new file mode 100644
index 0000000..1dc55db
--- /dev/null
+++ b/Math-Pari-2.010802-no-fake-version.patch
@@ -0,0 +1,11 @@
+--- Math-Pari-2.010802/Makefile.PL.orig	2009-10-27 22:17:12.000000000 +0000
++++ Math-Pari-2.010802/Makefile.PL	2009-10-29 10:47:15.349216927 +0000
+@@ -44,7 +44,7 @@
+ EOP
+ 
+ if ($common::parilib) {
+-  $pari_version = '2001004';	# XXXX How to get a correct one?
++  $pari_version = '@@@OUR-PARI-VERSION@@@';	# XXXX How to get a correct one?
+   $define = '-DNO_HIGHLEVEL_PARI';
+   print <<EOP;
+ Trying to use existing PARI library (at $common::parilib)
diff --git a/Math-Pari-2.01080604-extra-stack-for-test.patch b/Math-Pari-2.01080604-extra-stack-for-test.patch
new file mode 100644
index 0000000..95931b1
--- /dev/null
+++ b/Math-Pari-2.01080604-extra-stack-for-test.patch
@@ -0,0 +1,25 @@
+--- Math-Pari-2.01080604/pari-2.3.4/src/test/in/intnum	2008-01-16 15:45:16.000000000 +0000
++++ Math-Pari-2.01080604/pari-2.3.4/src/test/in/intnum	2010-06-22 13:53:30.711784407 +0100
+@@ -1,5 +1,5 @@
+ default(echo,1);
+-allocatemem(20 * 10^6);
++allocatemem(40 * 10^6);
+ gettime; oo = [1];
+ \p96
+ intcirc(s=1, 0.5, zeta(s)) - 1
+--- Math-Pari-2.01080604/pari-2.3.4/src/test/32/intnum	2008-01-16 15:45:01.000000000 +0000
++++ Math-Pari-2.01080604/pari-2.3.4/src/test/32/intnum	2010-06-22 14:11:00.678792014 +0100
+@@ -1,4 +1,4 @@
+-? allocatemem(20*10^6);
++? allocatemem(40*10^6);
+ ? gettime;oo=[1];
+ ? \p96
+    realprecision = 96 significant digits
+--- Math-Pari-2.01080604/pari-2.3.4/src/test/64/intnum	2008-01-16 15:45:28.000000000 +0000
++++ Math-Pari-2.01080604/pari-2.3.4/src/test/64/intnum	2010-06-22 14:11:10.119846014 +0100
+@@ -1,4 +1,4 @@
+-? allocatemem(20*10^6);
++? allocatemem(40*10^6);
+ ? gettime;oo=[1];
+ ? \p96
+    realprecision = 96 significant digits
diff --git a/perl-Math-Pari-2.010802-docs-and-testsuite.patch b/perl-Math-Pari-2.010802-docs-and-testsuite.patch
deleted file mode 100644
index dadf9d3..0000000
--- a/perl-Math-Pari-2.010802-docs-and-testsuite.patch
+++ /dev/null
@@ -1,20 +0,0 @@
---- Math-Pari-2.010802/Makefile.PL.orig	2009-10-29 10:47:15.349216927 +0000
-+++ Math-Pari-2.010802/Makefile.PL	2009-10-29 11:12:54.651293844 +0000
-@@ -102,11 +102,13 @@
- }
- 
- my %opts;
-+
-+# We want to build the docs and the test suite even though we're using the system pari lib
-+build_tests $paridir;				# Convert the test suite
-+make_pod 'libPARI.pod', '-to_pod', $paridir;	# Now the docs
-+make_pod 'libPARI.dumb.pod', '-to_dumb_pod', $paridir;
-+
- unless ($common::parilib) {
--  build_tests $paridir;		# Convert the test suite
--  make_pod 'libPARI.pod', '-to_pod', $paridir; # Now the docs
--  make_pod 'libPARI.dumb.pod', '-to_dumb_pod', $paridir;
--  # ... and paricfg.h
-   %opts = build_paricfg($paridir, $common::do_configure, $pari_version);
- 
-   if ($ENV{MATH_PARI_REPORT_CODES}) {
diff --git a/perl-Math-Pari-2.010802-no-fake-version.patch b/perl-Math-Pari-2.010802-no-fake-version.patch
deleted file mode 100644
index 1dc55db..0000000
--- a/perl-Math-Pari-2.010802-no-fake-version.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- Math-Pari-2.010802/Makefile.PL.orig	2009-10-27 22:17:12.000000000 +0000
-+++ Math-Pari-2.010802/Makefile.PL	2009-10-29 10:47:15.349216927 +0000
-@@ -44,7 +44,7 @@
- EOP
- 
- if ($common::parilib) {
--  $pari_version = '2001004';	# XXXX How to get a correct one?
-+  $pari_version = '@@@OUR-PARI-VERSION@@@';	# XXXX How to get a correct one?
-   $define = '-DNO_HIGHLEVEL_PARI';
-   print <<EOP;
- Trying to use existing PARI library (at $common::parilib)
diff --git a/perl-Math-Pari-2.01080604-extra-stack-for-test.patch b/perl-Math-Pari-2.01080604-extra-stack-for-test.patch
deleted file mode 100644
index 95931b1..0000000
--- a/perl-Math-Pari-2.01080604-extra-stack-for-test.patch
+++ /dev/null
@@ -1,25 +0,0 @@
---- Math-Pari-2.01080604/pari-2.3.4/src/test/in/intnum	2008-01-16 15:45:16.000000000 +0000
-+++ Math-Pari-2.01080604/pari-2.3.4/src/test/in/intnum	2010-06-22 13:53:30.711784407 +0100
-@@ -1,5 +1,5 @@
- default(echo,1);
--allocatemem(20 * 10^6);
-+allocatemem(40 * 10^6);
- gettime; oo = [1];
- \p96
- intcirc(s=1, 0.5, zeta(s)) - 1
---- Math-Pari-2.01080604/pari-2.3.4/src/test/32/intnum	2008-01-16 15:45:01.000000000 +0000
-+++ Math-Pari-2.01080604/pari-2.3.4/src/test/32/intnum	2010-06-22 14:11:00.678792014 +0100
-@@ -1,4 +1,4 @@
--? allocatemem(20*10^6);
-+? allocatemem(40*10^6);
- ? gettime;oo=[1];
- ? \p96
-    realprecision = 96 significant digits
---- Math-Pari-2.01080604/pari-2.3.4/src/test/64/intnum	2008-01-16 15:45:28.000000000 +0000
-+++ Math-Pari-2.01080604/pari-2.3.4/src/test/64/intnum	2010-06-22 14:11:10.119846014 +0100
-@@ -1,4 +1,4 @@
--? allocatemem(20*10^6);
-+? allocatemem(40*10^6);
- ? gettime;oo=[1];
- ? \p96
-    realprecision = 96 significant digits
diff --git a/perl-Math-Pari.spec b/perl-Math-Pari.spec
index 98a55e5..1e43002 100644
--- a/perl-Math-Pari.spec
+++ b/perl-Math-Pari.spec
@@ -15,25 +15,26 @@
 Summary:	Perl interface to PARI
 Name:		perl-Math-Pari
 Version:	2.010806
-Release:	11%{?dist}
+Release:	12%{?dist}
 License:	GPL+ or Artistic
 Group:		Development/Libraries
 Url:		http://search.cpan.org/dist/Math-Pari/
 Source0:	http://search.cpan.org/CPAN/authors/id/I/IL/ILYAZ/modules/Math-Pari-%{version}%{extraversion}.tar.gz
-Source1:	http://pari.math.u-bordeaux.fr/pub/pari/unix/pari-%{pari_version}.tar.gz
-Patch0:		perl-Math-Pari-2.010802-no-fake-version.patch
-Patch1:		perl-Math-Pari-2.010802-docs-and-testsuite.patch
-Patch2:		perl-Math-Pari-2.01080604-extra-stack-for-test.patch
-Requires:	perl(:MODULE_COMPAT_%(eval "`perl -V:version`"; echo $version))
+Source1:	http://pari.math.u-bordeaux.fr/pub/pari/unix/OLD/pari-%{pari_version}.tar.gz
+Patch0:		Math-Pari-2.010802-no-fake-version.patch
+Patch1:		Math-Pari-2.010802-docs-and-testsuite.patch
+Patch2:		Math-Pari-2.01080604-extra-stack-for-test.patch
+BuildRequires:	perl(DynaLoader)
+BuildRequires:	perl(Exporter)
 BuildRequires:	perl(ExtUtils::MakeMaker)
+Requires:	perl(:MODULE_COMPAT_%(eval "`perl -V:version`"; echo $version))
 
 # Enforce dependency against same version of pari that we're built for
 BuildRequires:	pari-devel = %{pari_version}
 Requires:	pari%{?_isa} = %{pari_version}
 
 # Don't "provide" private Perl libs or the redundant unversioned perl(Math::Pari)
-%filter_from_provides /^perl(Math::Pari)$/d
-%{?perl_default_filter}
+%global __provides_exclude ^(perl\\(Math::Pari\\)$|Pari\\.so)
 
 %description
 This package is a Perl interface to the famous library PARI for numerical/
@@ -89,6 +90,12 @@ make test
 %exclude %{_mandir}/man3/Math::libPARI.dumb.3pm*
 
 %changelog
+* Thu Jan 12 2012 Paul Howarth <paul@city-fan.org> - 2.010806-12
+- Update pari source URL to reflect that we're using an OLD version
+- Add buildreqs for perl core modules, which might be dual-lived
+- Rewrite provides filter for rpm-4.9 compatibility
+- Rename patches to strip 'perl-' prefix
+
 * Wed Jun 15 2011 Marcela Mašláňová <mmaslano@redhat.com> - 2.010806-11
 - Perl mass rebuild