diff --git a/ChangeLog b/ChangeLog
index 00cd7e3e019..d8cbbd8dffd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-10-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* configure.ac (CLooG test): Use = with test.
+	* configure: Regenerate.
+
 2009-10-22  Richard Guenther  <rguenther@suse.de>
 
 	* configure.ac: Do not set LIBS for ppl/cloog checks.  Disable
diff --git a/configure b/configure
index 7ceaafc4a15..db105a549b2 100755
--- a/configure
+++ b/configure
@@ -5857,7 +5857,7 @@ if test "${with_cloog_lib+set}" = set; then :
 fi
 
 
-if test "x$with_ppl" == "xno"; then
+if test "x$with_ppl" = "xno"; then
   with_cloog=no
 fi
 
diff --git a/configure.ac b/configure.ac
index 34c34959b87..7fdf357febf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1572,7 +1572,7 @@ AC_ARG_WITH(cloog, [  --with-cloog=PATH       Specify prefix directory for the i
 AC_ARG_WITH(cloog_include, [  --with-cloog-include=PATH Specify directory for installed CLooG include files])
 AC_ARG_WITH(cloog_lib, [  --with-cloog-lib=PATH   Specify the directory for the installed CLooG library])
 
-if test "x$with_ppl" == "xno"; then
+if test "x$with_ppl" = "xno"; then
   with_cloog=no
 fi