diff --git a/valgrind-3.5.0-glibc-2.13.patch b/valgrind-3.5.0-glibc-2.13.patch
index f10a160..02c452a 100644
--- a/valgrind-3.5.0-glibc-2.13.patch
+++ b/valgrind-3.5.0-glibc-2.13.patch
@@ -1,8 +1,8 @@
 --- valgrind/configure.in.jj	2010-10-21 03:14:02.000000000 +0200
 +++ valgrind/configure.in	2010-11-05 17:09:18.674455299 +0100
-@@ -649,6 +649,16 @@ _ACEOF
-   GLIBC_VERSION="`$CPP conftest.$ac_ext | $SED -n 's/^glibc version is: //p' | $SED 's/ /./g'`"
- fi
+@@ -676,6 +676,16 @@ AC_EGREP_CPP([GLIBC_212], [
+ ],
+ GLIBC_VERSION="2.12")
  
 +AC_EGREP_CPP([GLIBC_213], [
 +#include <features.h>
@@ -17,7 +17,7 @@
  AC_EGREP_CPP([AIX5_LIBC], [
  #include <standards.h>
  #if defined(_AIXVERSION_510) || defined(_AIXVERSION_520) || defined(_AIXVERSION_530)
-@@ -749,6 +759,13 @@ case "${GLIBC_VERSION}" in
+@@ -776,6 +786,13 @@ case "${GLIBC_VERSION}" in
  	DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
  	DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
  	;;
@@ -31,10 +31,10 @@
       aix5)
  	AC_MSG_RESULT(AIX 5.1 or 5.2 or 5.3)
  	AC_DEFINE([AIX5_LIBC], 1, [Define to 1 if you're using AIX 5.1 or 5.2 or 5.3])
-@@ -762,7 +779,7 @@ case "${GLIBC_VERSION}" in
+@@ -789,7 +806,7 @@ case "${GLIBC_VERSION}" in
  
       *)
- 	AC_MSG_RESULT([unsupported version ${GLIBC_VERSION}])
+ 	AC_MSG_RESULT(unsupported version)
 -	AC_MSG_ERROR([Valgrind requires glibc version 2.2 - 2.12])
 +	AC_MSG_ERROR([Valgrind requires glibc version 2.2 - 2.13])
  	AC_MSG_ERROR([or AIX 5.1 or 5.2 or 5.3 GLIBC_VERSION])
@@ -42,7 +42,7 @@
  	;;
 --- valgrind/config.h.in.jj	2010-10-20 22:20:49.000000000 +0200
 +++ valgrind/config.h.in	2010-11-05 17:08:33.863454886 +0100
-@@ -33,6 +33,9 @@
+@@ -21,6 +21,9 @@
  /* Define to 1 if you're using glibc 2.12.x */
  #undef GLIBC_2_12
  
@@ -54,8 +54,8 @@
  
 --- valgrind/configure.jj	2010-10-21 03:16:18.000000000 +0200
 +++ valgrind/configure	2010-11-05 17:09:39.163455396 +0100
-@@ -6220,6 +6220,28 @@ fi
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+@@ -5069,6 +5069,28 @@ cat confdefs.h >>conftest.$ac_ext
+ cat >>conftest.$ac_ext <<_ACEOF
  /* end confdefs.h.  */
  
 +#include <features.h>
@@ -83,7 +83,7 @@
  #include <standards.h>
  #if defined(_AIXVERSION_510) || defined(_AIXVERSION_520) || defined(_AIXVERSION_530)
    AIX5_LIBC
-@@ -6367,6 +6389,18 @@ $as_echo "#define GLIBC_2_12 1" >>confde
+@@ -5242,6 +5264,18 @@ _ACEOF
  	DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
  	DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
  	;;
@@ -100,14 +100,16 @@
 +	DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
 +	;;
       aix5)
- 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: AIX 5.1 or 5.2 or 5.3" >&5
- $as_echo "AIX 5.1 or 5.2 or 5.3" >&6; }
-@@ -6387,7 +6421,7 @@ $as_echo "#define DARWIN_LIBC 1" >>confd
+ 	echo "$as_me:$LINENO: result: AIX 5.1 or 5.2 or 5.3" >&5
+ echo "${ECHO_T}AIX 5.1 or 5.2 or 5.3" >&6
+@@ -5266,8 +5300,8 @@ _ACEOF
       *)
- 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported version ${GLIBC_VERSION}" >&5
- $as_echo "unsupported version ${GLIBC_VERSION}" >&6; }
--	as_fn_error "Valgrind requires glibc version 2.2 - 2.12" "$LINENO" 5
-+	as_fn_error "Valgrind requires glibc version 2.2 - 2.13" "$LINENO" 5
- 	as_fn_error "or AIX 5.1 or 5.2 or 5.3 GLIBC_VERSION" "$LINENO" 5
- 	as_fn_error "or Darwin libc" "$LINENO" 5
- 	;;
+ 	echo "$as_me:$LINENO: result: unsupported version" >&5
+ echo "${ECHO_T}unsupported version" >&6
+-	{ { echo "$as_me:$LINENO: error: Valgrind requires glibc version 2.2 - 2.12" >&5
+-echo "$as_me: error: Valgrind requires glibc version 2.2 - 2.12" >&2;}
++	{ { echo "$as_me:$LINENO: error: Valgrind requires glibc version 2.2 - 2.13" >&5
++echo "$as_me: error: Valgrind requires glibc version 2.2 - 2.13" >&2;}
+    { (exit 1); exit 1; }; }
+ 	{ { echo "$as_me:$LINENO: error: or AIX 5.1 or 5.2 or 5.3 GLIBC_VERSION" >&5
+ echo "$as_me: error: or AIX 5.1 or 5.2 or 5.3 GLIBC_VERSION" >&2;}
diff --git a/valgrind.spec b/valgrind.spec
index 1fe1980..604e345 100644
--- a/valgrind.spec
+++ b/valgrind.spec
@@ -231,7 +231,7 @@ rm -rf $RPM_BUILD_ROOT
 
 %changelog
 * Tue Feb 22 2011 Jakub Jelinek <jakub@redhat.com> 3.5.0-20
-- rebuilt against glibc 2.13
+- rebuilt against glibc 2.13 (#676785)
 
 * Fri Nov 12 2010 Jakub Jelinek <jakub@redhat.com> 3.5.0-19
 - provide a replacement for str{,n}casecmp{,_l} (#626470)