[23/28] Fail when PPL 0.11 is not present and CLooG has been requested.

diff --git a/ChangeLog b/ChangeLog
index 78c47c6..961e92a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@ 
 2011-01-21  Sebastian Pop  <sebastian.pop@amd.com>
 
+	* configure.ac: Call AC_MSG_ERROR when PPL 0.11 is not present and
+	CLooG has been requested.
+	* configure: Regenerated.
+
+2011-01-21  Sebastian Pop  <sebastian.pop@amd.com>
+
 	* configure: Regenerated.
 	* configure.ac: Check for version 0.11 (or later revision) of PPL.
 
diff --git a/configure b/configure
index 257888b..b60d136 100755
--- a/configure
+++ b/configure
@@ -5818,6 +5818,22 @@  fi
 
 if test "x$with_ppl" = "xno"; then
   with_cloog=no
+
+
+
+
+  if test "x${with_cloog}" != x \
+    || test "x${with_cloog_include}" != x \
+    || test "x${with_cloog_lib}" != x ; then
+    graphite_requested=yes
+  else
+    graphite_requested=no
+  fi
+
+
+  if test "${graphite_requested}" = yes; then
+    as_fn_error "Unable to find a usable PPL.  See config.log for details." "$LINENO" 5]
+  fi
 fi
 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
   && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
@@ -6090,7 +6106,7 @@  $as_echo "$gcc_cv_cloog_ct_0_15_5" >&6; }
     && test "x${clooglibs}" = x \
     && test "x${clooginc}" = x ; then
 
-    as_fn_error "Unable to find a usable CLooG. See config.log for details." "$LINENO" 5
+    as_fn_error "Unable to find a usable CLooG.  See config.log for details." "$LINENO" 5
   fi
 
 
diff --git a/configure.ac b/configure.ac
index a497efe..620723f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1689,6 +1689,12 @@  dnl with user input.
 CLOOG_INIT_FLAGS
 if test "x$with_ppl" = "xno"; then
   with_cloog=no
+
+  dnl Only execute fail-action, if CLooG has been requested.
+  CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
+  if test "${graphite_requested}" = yes; then
+    AC_MSG_ERROR([Unable to find a usable PPL.  See config.log for details.])]
+  fi
 fi
 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
   && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
@@ -1702,10 +1708,9 @@  if test "x$with_cloog" != "xno"; then
   dnl ignored.
   CLOOG_CHECK_VERSION(0,16,1)
 
-  dnl Only execute fail-action, if CLooG has been
-  dnl requested.
+  dnl Only execute fail-action, if CLooG has been requested.
   CLOOG_IF_FAILED([
-    AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
+    AC_MSG_ERROR([Unable to find a usable CLooG.  See config.log for details.])])
 fi
 
 # Check for LTO support.