diff -r 000000000000 -r ec1cffe6d30b patches/mpfr/2.4.1/140-zeta_ui-shift.patch
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/patches/mpfr/2.4.1/140-zeta_ui-shift.patch	Thu May 21 19:00:55 2009 +0000
@@ -0,0 +1,47 @@
+diff -Naurd mpfr-2.4.1-a/PATCHES mpfr-2.4.1-b/PATCHES
+--- mpfr-2.4.1-a/PATCHES	2009-03-13 02:50:47.000000000 +0000
++++ mpfr-2.4.1-b/PATCHES	2009-03-13 02:50:48.000000000 +0000
+@@ -0,0 +1 @@
++zeta_ui-shift
+diff -Naurd mpfr-2.4.1-a/VERSION mpfr-2.4.1-b/VERSION
+--- mpfr-2.4.1-a/VERSION	2009-03-10 01:44:40.000000000 +0000
++++ mpfr-2.4.1-b/VERSION	2009-03-13 02:50:48.000000000 +0000
+@@ -1 +1 @@
+-2.4.1-p4
++2.4.1-p5
+diff -Naurd mpfr-2.4.1-a/mpfr.h mpfr-2.4.1-b/mpfr.h
+--- mpfr-2.4.1-a/mpfr.h	2009-03-10 01:44:40.000000000 +0000
++++ mpfr-2.4.1-b/mpfr.h	2009-03-13 02:50:48.000000000 +0000
+@@ -27,7 +27,7 @@
+ #define MPFR_VERSION_MAJOR 2
+ #define MPFR_VERSION_MINOR 4
+ #define MPFR_VERSION_PATCHLEVEL 1
+-#define MPFR_VERSION_STRING "2.4.1-p4"
++#define MPFR_VERSION_STRING "2.4.1-p5"
+ 
+ /* Macros dealing with MPFR VERSION */
+ #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
+diff -Naurd mpfr-2.4.1-a/version.c mpfr-2.4.1-b/version.c
+--- mpfr-2.4.1-a/version.c	2009-03-10 01:44:40.000000000 +0000
++++ mpfr-2.4.1-b/version.c	2009-03-13 02:50:48.000000000 +0000
+@@ -25,5 +25,5 @@
+ const char *
+ mpfr_get_version (void)
+ {
+-  return "2.4.1-p4";
++  return "2.4.1-p5";
+ }
+diff -Naurd mpfr-2.4.1-a/zeta_ui.c mpfr-2.4.1-b/zeta_ui.c
+--- mpfr-2.4.1-a/zeta_ui.c	2009-02-20 09:43:17.000000000 +0000
++++ mpfr-2.4.1-b/zeta_ui.c	2009-03-13 02:50:48.000000000 +0000
+@@ -177,7 +177,9 @@
+                   mpz_mul_ui (t, t, 2 * k - 1);
+                 }
+               mpz_div_2exp (t, t, 1);
+-              if (n < 1UL << (BITS_PER_MP_LIMB / 2))
++              /* Warning: the test below assumes that an unsigned long
++                 has no padding bits. */
++              if (n < 1UL << ((sizeof(unsigned long) * CHAR_BIT) / 2))
+                 /* (n - k + 1) * (n + k - 1) < n^2 */
+                 mpz_divexact_ui (t, t, (n - k + 1) * (n + k - 1));
+               else