diff --git a/ChangeLog b/ChangeLog
index 73859b46fb9..a9d99bbd296 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-11-21  Sebastian Pop  <sebpop@gmail.com>
+
+	* configure.ac: Check for version 0.15.5 or later revision of CLooG.
+	* configure: Regenerated.
+
 2009-11-21  Ian Lance Taylor  <iant@google.com>
 
 	* configure.ac: Change default of poststage1_ldflags to be empty if
diff --git a/configure b/configure
index 52ca8b20622..d65bbe22dcb 100755
--- a/configure
+++ b/configure
@@ -5897,8 +5897,8 @@ fi
 if test "x$with_cloog" != "xno" -a "${ENABLE_CLOOG_CHECK}" = "yes"; then
   saved_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for correct version of CLooG" >&5
-$as_echo_n "checking for correct version of CLooG... " >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.15.5 (or later revision) of CLooG" >&5
+$as_echo_n "checking for version 0.15.5 (or later revision) of CLooG... " >&6; }
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include "cloog/cloog.h"
@@ -5906,7 +5906,7 @@ int
 main ()
 {
 
-  #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15
+  #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 || CLOOG_VERSION_REVISION < 5
   choke me
   #endif
 
diff --git a/configure.ac b/configure.ac
index 66a9e8db0f2..2915932534e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1613,9 +1613,9 @@ ENABLE_CLOOG_CHECK=yes)
 if test "x$with_cloog" != "xno" -a "${ENABLE_CLOOG_CHECK}" = "yes"; then
   saved_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
-  AC_MSG_CHECKING([for correct version of CLooG])
+  AC_MSG_CHECKING([for version 0.15.5 (or later revision) of CLooG])
   AC_TRY_COMPILE([#include "cloog/cloog.h"],[
-  #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15
+  #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 || CLOOG_VERSION_REVISION < 5
   choke me
   #endif
   ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])