Sync toplevel and config/ from GCC.

/:
	Sync from GCC:

	2011-02-12  Alexandre Oliva  <aoliva@redhat.com>

	PR lto/47225
	* Makefile.def (lto-plugin): Double dash for enable-shared.
	(configure-gcc): Depend on all-lto-plugin.
	* Makefile.in: Rebuilt.

	2011-02-11  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure.ac: Remove extra bracket.
	* configure: Regenerate.

	2011-02-06  Kai Tietz  <kai.tietz@onevision.com>

	PR lto/47225
	* Makefile.def: Add dependency for install-gcc
	on install-lto-plugin.
	* Makfile.in: Regenerated

	2011-01-25  Jakub Jelinek  <jakub@redhat.com>

	* configure.ac: If with_ppl is no, move setting with_cloog=no
	after CLOOG_REQUESTED check.
	* configure: Regenerated.

	2011-01-25  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.

	2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* configure: Regenerated.
	* configure.ac: Check for version 0.11 (or later revision) of PPL.

	2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>

	* configure: Regenerated.
	* configure.ac: Use CLOOG_CHECK_VERSION(0,16,1).

	2011-01-07  Jan Hubicka  <jh@suse.cz>

	PR lto/47225
	* Makefile.in: Regenerate.
	* Makefile.def (lto-plugin): Always pass enable-shared to the plugin
	configure.

config/:
2011-01-25  Jakub Jelinek  <jakub@redhat.com>

	* cloog.m4 (CLOOG_REQUESTED): Use $2 if --without-cloog.

2011-01-10  Jan Hubicka  <jh@suse.cz>

	* bootstrap-lto.mk: -fuse-linker-plugin is default now;
	pass -fno-lto to STAGEprofile.

9 files changed, 162 insertions, 55 deletions

diff --git a/ChangeLog b/ChangeLog
index 7711c87..de60245 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,55 @@
+2011-02-12  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	Sync from GCC:
+
+	2011-02-12  Alexandre Oliva  <aoliva@redhat.com>
+
+	PR lto/47225
+	* Makefile.def (lto-plugin): Double dash for enable-shared.
+	(configure-gcc): Depend on all-lto-plugin.
+	* Makefile.in: Rebuilt.
+
+	2011-02-11  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	* configure.ac: Remove extra bracket.
+	* configure: Regenerate.
+
+	2011-02-06  Kai Tietz  <kai.tietz@onevision.com>
+
+	PR lto/47225
+	* Makefile.def: Add dependency for install-gcc
+	on install-lto-plugin.
+	* Makfile.in: Regenerated
+
+	2011-01-25  Jakub Jelinek  <jakub@redhat.com>
+
+	* configure.ac: If with_ppl is no, move setting with_cloog=no
+	after CLOOG_REQUESTED check.
+	* configure: Regenerated.
+
+	2011-01-25  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.
+
+	2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
+
+	* configure: Regenerated.
+	* configure.ac: Check for version 0.11 (or later revision) of PPL.
+
+	2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
+
+	* configure: Regenerated.
+	* configure.ac: Use CLOOG_CHECK_VERSION(0,16,1).
+
+	2011-01-07  Jan Hubicka  <jh@suse.cz>
+
+	PR lto/47225
+	* Makefile.in: Regenerate.
+	* Makefile.def (lto-plugin): Always pass enable-shared to the plugin
+	configure.
+
 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
 
 	PR libgcj/44341
diff --git a/Makefile.def b/Makefile.def
index 8eb5b03..85b582c 100644
--- a/Makefile.def
+++ b/Makefile.def
@@ -4,7 +4,7 @@ AutoGen definitions Makefile.tpl;
 // Makefile.in is generated from Makefile.tpl by 'autogen Makefile.def'.
 // This file was originally written by Nathanael Nerode.
 //
-//   Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+//   Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
 //   Free Software Foundation
 //
 // This file is free software; you can redistribute it and/or modify
@@ -145,7 +145,8 @@ host_modules= { module= libtermcap; no_check=true;
                 missing=maintainer-clean; };
 host_modules= { module= utils; no_check=true; };
 host_modules= { module= gnattools; };
-host_modules= { module= lto-plugin; bootstrap=true; };
+host_modules= { module= lto-plugin; bootstrap=true;
+		extra_configure_flags=--enable-shared; };
 
 target_modules = { module= libstdc++-v3;
 		   bootstrap=true;
@@ -321,6 +322,7 @@ dependencies = { module=all-build-fixincludes; on=all-build-libiberty; };
 
 // Host modules specific to gcc.
 dependencies = { module=configure-gcc; on=configure-intl; };
+dependencies = { module=configure-gcc; on=all-lto-plugin; };
 dependencies = { module=configure-gcc; on=all-binutils; };
 dependencies = { module=configure-gcc; on=all-gas; };
 dependencies = { module=configure-gcc; on=all-ld; };
@@ -344,11 +346,13 @@ dependencies = { module=all-gcc; on=all-libcpp; hard=true; };
 dependencies = { module=all-gcc; on=all-libdecnumber; hard=true; };
 dependencies = { module=all-gcc; on=all-libiberty; };
 dependencies = { module=all-gcc; on=all-fixincludes; };
+dependencies = { module=all-gcc; on=all-lto-plugin; };
 dependencies = { module=info-gcc; on=all-build-libiberty; };
 dependencies = { module=dvi-gcc; on=all-build-libiberty; };
 dependencies = { module=pdf-gcc; on=all-build-libiberty; };
 dependencies = { module=html-gcc; on=all-build-libiberty; };
 dependencies = { module=install-gcc ; on=install-fixincludes; };
+dependencies = { module=install-gcc ; on=install-lto-plugin; };
 dependencies = { module=install-strip-gcc ; on=install-strip-fixincludes; };
 
 dependencies = { module=configure-libcpp; on=configure-libiberty; hard=true; };
@@ -360,7 +364,7 @@ dependencies = { module=all-fixincludes; on=all-libiberty; };
 
 dependencies = { module=all-gnattools; on=all-target-libada; };
 
-dependencies = { module=all-lto-plugin; on=all-gcc; };
+dependencies = { module=all-lto-plugin; on=all-libiberty; };
 
 dependencies = { module=configure-mpfr; on=all-gmp; };
 dependencies = { module=configure-mpc; on=all-mpfr; };
diff --git a/Makefile.in b/Makefile.in
index 945fc5d..660f813 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -3,7 +3,7 @@
 #
 # Makefile for directory with subdirs to build.
 #   Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-#   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+#   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
 #   Free Software Foundation
 #
 # This file is free software; you can redistribute it and/or modify
@@ -45248,7 +45248,7 @@ configure-lto-plugin:
 	libsrcdir="$$s/lto-plugin"; \
 	$(SHELL) $${libsrcdir}/configure \
 	  $(HOST_CONFIGARGS) --build=${build_alias} --host=${host_alias} \
-	  --target=${target_alias} $${srcdiroption}  \
+	  --target=${target_alias} $${srcdiroption} --enable-shared \
 	  || exit 1
 @endif lto-plugin
 
@@ -45282,7 +45282,8 @@ configure-stage1-lto-plugin:
 	$(SHELL) $${libsrcdir}/configure \
 	  $(HOST_CONFIGARGS) --build=${build_alias} --host=${host_alias} \
 	  --target=${target_alias} $${srcdiroption} \
-	  $(STAGE1_CONFIGURE_FLAGS)
+	  $(STAGE1_CONFIGURE_FLAGS) \
+	  --enable-shared
 @endif lto-plugin-bootstrap
 
 .PHONY: configure-stage2-lto-plugin maybe-configure-stage2-lto-plugin
@@ -45315,7 +45316,8 @@ configure-stage2-lto-plugin:
 	  $(HOST_CONFIGARGS) --build=${build_alias} --host=${host_alias} \
 	  --target=${target_alias} $${srcdiroption} \
 	  --with-build-libsubdir=$(HOST_SUBDIR) \
-	  $(STAGE2_CONFIGURE_FLAGS)
+	  $(STAGE2_CONFIGURE_FLAGS) \
+	  --enable-shared
 @endif lto-plugin-bootstrap
 
 .PHONY: configure-stage3-lto-plugin maybe-configure-stage3-lto-plugin
@@ -45348,7 +45350,8 @@ configure-stage3-lto-plugin:
 	  $(HOST_CONFIGARGS) --build=${build_alias} --host=${host_alias} \
 	  --target=${target_alias} $${srcdiroption} \
 	  --with-build-libsubdir=$(HOST_SUBDIR) \
-	  $(STAGE3_CONFIGURE_FLAGS)
+	  $(STAGE3_CONFIGURE_FLAGS) \
+	  --enable-shared
 @endif lto-plugin-bootstrap
 
 .PHONY: configure-stage4-lto-plugin maybe-configure-stage4-lto-plugin
@@ -45381,7 +45384,8 @@ configure-stage4-lto-plugin:
 	  $(HOST_CONFIGARGS) --build=${build_alias} --host=${host_alias} \
 	  --target=${target_alias} $${srcdiroption} \
 	  --with-build-libsubdir=$(HOST_SUBDIR) \
-	  $(STAGE4_CONFIGURE_FLAGS)
+	  $(STAGE4_CONFIGURE_FLAGS) \
+	  --enable-shared
 @endif lto-plugin-bootstrap
 
 .PHONY: configure-stageprofile-lto-plugin maybe-configure-stageprofile-lto-plugin
@@ -45414,7 +45418,8 @@ configure-stageprofile-lto-plugin:
 	  $(HOST_CONFIGARGS) --build=${build_alias} --host=${host_alias} \
 	  --target=${target_alias} $${srcdiroption} \
 	  --with-build-libsubdir=$(HOST_SUBDIR) \
-	  $(STAGEprofile_CONFIGURE_FLAGS)
+	  $(STAGEprofile_CONFIGURE_FLAGS) \
+	  --enable-shared
 @endif lto-plugin-bootstrap
 
 .PHONY: configure-stagefeedback-lto-plugin maybe-configure-stagefeedback-lto-plugin
@@ -45447,7 +45452,8 @@ configure-stagefeedback-lto-plugin:
 	  $(HOST_CONFIGARGS) --build=${build_alias} --host=${host_alias} \
 	  --target=${target_alias} $${srcdiroption} \
 	  --with-build-libsubdir=$(HOST_SUBDIR) \
-	  $(STAGEfeedback_CONFIGURE_FLAGS)
+	  $(STAGEfeedback_CONFIGURE_FLAGS) \
+	  --enable-shared
 @endif lto-plugin-bootstrap
 
 
@@ -60260,6 +60266,14 @@ configure-stage3-gcc: maybe-configure-stage3-intl
 configure-stage4-gcc: maybe-configure-stage4-intl
 configure-stageprofile-gcc: maybe-configure-stageprofile-intl
 configure-stagefeedback-gcc: maybe-configure-stagefeedback-intl
+configure-gcc: maybe-all-lto-plugin
+
+configure-stage1-gcc: maybe-all-stage1-lto-plugin
+configure-stage2-gcc: maybe-all-stage2-lto-plugin
+configure-stage3-gcc: maybe-all-stage3-lto-plugin
+configure-stage4-gcc: maybe-all-stage4-lto-plugin
+configure-stageprofile-gcc: maybe-all-stageprofile-lto-plugin
+configure-stagefeedback-gcc: maybe-all-stagefeedback-lto-plugin
 configure-gcc: maybe-all-binutils
 
 configure-stage1-gcc: maybe-all-stage1-binutils
@@ -60437,6 +60451,14 @@ all-stage4-gcc: maybe-all-stage4-libiberty
 all-stageprofile-gcc: maybe-all-stageprofile-libiberty
 all-stagefeedback-gcc: maybe-all-stagefeedback-libiberty
 all-gcc: maybe-all-fixincludes
+all-gcc: maybe-all-lto-plugin
+
+all-stage1-gcc: maybe-all-stage1-lto-plugin
+all-stage2-gcc: maybe-all-stage2-lto-plugin
+all-stage3-gcc: maybe-all-stage3-lto-plugin
+all-stage4-gcc: maybe-all-stage4-lto-plugin
+all-stageprofile-gcc: maybe-all-stageprofile-lto-plugin
+all-stagefeedback-gcc: maybe-all-stagefeedback-lto-plugin
 info-gcc: maybe-all-build-libiberty
 
 info-stage1-gcc: maybe-all-build-libiberty
@@ -60470,6 +60492,7 @@ html-stage4-gcc: maybe-all-build-libiberty
 html-stageprofile-gcc: maybe-all-build-libiberty
 html-stagefeedback-gcc: maybe-all-build-libiberty
 install-gcc: maybe-install-fixincludes
+install-gcc: maybe-install-lto-plugin
 install-strip-gcc: maybe-install-strip-fixincludes
 configure-libcpp: configure-libiberty
 
@@ -60505,14 +60528,14 @@ all-stageprofile-libcpp: maybe-all-stageprofile-intl
 all-stagefeedback-libcpp: maybe-all-stagefeedback-intl
 all-fixincludes: maybe-all-libiberty
 all-gnattools: maybe-all-target-libada
-all-lto-plugin: maybe-all-gcc
-
-all-stage1-lto-plugin: maybe-all-stage1-gcc
-all-stage2-lto-plugin: maybe-all-stage2-gcc
-all-stage3-lto-plugin: maybe-all-stage3-gcc
-all-stage4-lto-plugin: maybe-all-stage4-gcc
-all-stageprofile-lto-plugin: maybe-all-stageprofile-gcc
-all-stagefeedback-lto-plugin: maybe-all-stagefeedback-gcc
+all-lto-plugin: maybe-all-libiberty
+
+all-stage1-lto-plugin: maybe-all-stage1-libiberty
+all-stage2-lto-plugin: maybe-all-stage2-libiberty
+all-stage3-lto-plugin: maybe-all-stage3-libiberty
+all-stage4-lto-plugin: maybe-all-stage4-libiberty
+all-stageprofile-lto-plugin: maybe-all-stageprofile-libiberty
+all-stagefeedback-lto-plugin: maybe-all-stagefeedback-libiberty
 configure-mpfr: maybe-all-gmp
 
 configure-stage1-mpfr: maybe-all-stage1-gmp
diff --git a/Makefile.tpl b/Makefile.tpl
index f9a2936..7ad0896 100644
--- a/Makefile.tpl
+++ b/Makefile.tpl
@@ -6,7 +6,7 @@ in
 #
 # Makefile for directory with subdirs to build.
 #   Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-#   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+#   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
 #   Free Software Foundation
 #
 # This file is free software; you can redistribute it and/or modify
diff --git a/config/ChangeLog b/config/ChangeLog
index 83eab40..ee4c699 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,12 @@
+2011-01-25  Jakub Jelinek  <jakub@redhat.com>
+
+	* cloog.m4 (CLOOG_REQUESTED): Use $2 if --without-cloog.
+
+2011-01-10  Jan Hubicka  <jh@suse.cz>
+
+	* bootstrap-lto.mk: -fuse-linker-plugin is default now;
+	pass -fno-lto to STAGEprofile.
+
 2010-12-06  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/40125
@@ -99,8 +108,8 @@
 2010-06-09  Iain Sandoe  <iains@gcc.gnu.org>
 
 	PR bootstrap/43170
-	* tls.m4 (GCC_CHECK_TLS): Add volatile qualifier to the test 
-	references.  Move the main () test reference ahead of 
+	* tls.m4 (GCC_CHECK_TLS): Add volatile qualifier to the test
+	references.  Move the main () test reference ahead of
 	pthread_create().  Add a comment to explain the requirements
 	of the test.
 
@@ -382,7 +391,7 @@
 
 	PR bootstrap/32009
 	* mh-ppc-darwin (BOOT_CFLAGS): Reenable.
-		
+
 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
 
 	* futex.m4: New file.
@@ -456,7 +465,7 @@
 
 	* acx.m4 (ACX_CHECK_INSTALLED_TARGET_TOOL): Fixup logic for cross
 	builds.
-	
+
 2007-06-20  Mike Stump  <mrs@apple.com>
 
 	* acx.m4 (NCN_STRICT_CHECK_TARGET_TOOLS): Fix incremental builds.
@@ -481,7 +490,7 @@
 
 2007-04-11  Kai Tietz  <kai.tietz@onevision.com>
 
-	* stdint.m4: Make template compatible with older cygwin 
+	* stdint.m4: Make template compatible with older cygwin
 	types.h, wrapping each type in a __XXX_t_defined #ifdef.
 
 2007-03-26  H.J. Lu  <hongjiu.lu@intel.com>
@@ -585,7 +594,8 @@
 2006-07-25  Paolo Bonzini  <bonzini@gnu.org>
 
 	PR build/26188
-	* stdint.m4: Test for uintptr_t even on systems with uint64_t or uint32_t.
+	* stdint.m4: Test for uintptr_t even on systems with uint64_t
+	or uint32_t.
 
 2006-07-21  Steve Ellcey  <sje@cup.hp.com>
 
diff --git a/config/bootstrap-lto.mk b/config/bootstrap-lto.mk
index 59e5c98..9b2c2d2 100644
--- a/config/bootstrap-lto.mk
+++ b/config/bootstrap-lto.mk
@@ -1,5 +1,6 @@
 # This option enables LTO for stage2 and stage3.  It requires lto to
 # be enabled for stage1 with --enable-stage1-languages.
 
-STAGE2_CFLAGS += -flto=jobserver -fuse-linker-plugin -frandom-seed=1
-STAGE3_CFLAGS += -flto=jobserver -fuse-linker-plugin -frandom-seed=1
+STAGE2_CFLAGS += -flto=jobserver -frandom-seed=1
+STAGE3_CFLAGS += -flto=jobserver -frandom-seed=1
+STAGEprofile_CFLAGS +=  -fno-lto
diff --git a/config/cloog.m4 b/config/cloog.m4
index e1eb9e8..ec8b46d 100644
--- a/config/cloog.m4
+++ b/config/cloog.m4
@@ -88,7 +88,9 @@ AC_DEFUN([CLOOG_REQUESTED],
 [
   AC_REQUIRE([CLOOG_INIT_FLAGS])
 
-  if test "x${with_cloog}" != x \
+  if test "x${with_cloog}" = xno; then
+    $2
+  elif test "x${with_cloog}" != x \
     || test "x${with_cloog_include}" != x \
     || test "x${with_cloog_lib}" != x ; then
     $1
diff --git a/configure b/configure
index 518fe6a..501c6ff 100755
--- a/configure
+++ b/configure
@@ -5716,8 +5716,8 @@ fi
 if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
   saved_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS $pplinc $gmpinc"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.10 (or later revision) of PPL" >&5
-$as_echo_n "checking for version 0.10 (or later revision) of PPL... " >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.11 (or later revision) of PPL" >&5
+$as_echo_n "checking for version 0.11 (or later revision) of PPL... " >&6; }
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include "ppl_c.h"
@@ -5725,7 +5725,7 @@ int
 main ()
 {
 
-  #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 10
+  #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
   choke me
   #endif
 
@@ -5817,6 +5817,23 @@ fi
 
 
 if test "x$with_ppl" = "xno"; then
+
+
+
+  if test "x${with_cloog}" = xno; then
+    graphite_requested=no
+  elif 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." "$LINENO" 5
+  fi
   with_cloog=no
 fi
 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
@@ -5978,8 +5995,8 @@ $as_echo "$gcc_cv_cloog_type" >&6; }
     LDFLAGS="${_cloog_saved_LDFLAGS} ${clooglibs} ${ppllibs}"
 
     if test "${cloog_org}" = yes ; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.14.0 of CLooG" >&5
-$as_echo_n "checking for version 0.14.0 of CLooG... " >&6; }
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.16.1 of CLooG" >&5
+$as_echo_n "checking for version 0.16.1 of CLooG... " >&6; }
 if test "${gcc_cv_cloog_ct_0_14_0+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
@@ -5990,8 +6007,8 @@ int
 main ()
 {
 #if CLOOG_VERSION_MAJOR != 0 \
-    || CLOOG_VERSION_MINOR != 14 \
-    || CLOOG_VERSION_REVISION < 0
+    || CLOOG_VERSION_MINOR != 16 \
+    || CLOOG_VERSION_REVISION < 1
     choke me
    #endif
   ;
@@ -6069,7 +6086,9 @@ $as_echo "$gcc_cv_cloog_ct_0_15_5" >&6; }
 
 
 
-  if test "x${with_cloog}" != x \
+  if test "x${with_cloog}" = xno; then
+    graphite_requested=no
+  elif test "x${with_cloog}" != x \
     || test "x${with_cloog_include}" != x \
     || test "x${with_cloog_lib}" != x ; then
     graphite_requested=yes
@@ -6090,7 +6109,7 @@ $as_echo "$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 d266389..9121d65 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1668,9 +1668,9 @@ ENABLE_PPL_CHECK=yes)
 if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
   saved_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS $pplinc $gmpinc"
-  AC_MSG_CHECKING([for version 0.10 (or later revision) of PPL])
+  AC_MSG_CHECKING([for version 0.11 (or later revision) of PPL])
   AC_TRY_COMPILE([#include "ppl_c.h"],[
-  #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 10
+  #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
   choke me
   #endif
   ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
@@ -1688,6 +1688,11 @@ dnl Provide configure switches and initialize clooginc & clooglibs
 dnl with user input.
 CLOOG_INIT_FLAGS
 if test "x$with_ppl" = "xno"; then
+  dnl Only execute fail-action, if CLooG has been requested.
+  CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
+  if test "${graphite_requested}" = yes; then
+    AC_MSG_ERROR([Unable to find a usable PPL.  See config.log for details.])
+  fi
   with_cloog=no
 fi
 if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
@@ -1696,24 +1701,15 @@ if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
   clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
 fi
 if test "x$with_cloog" != "xno"; then
-  dnl Version check for CLooG-Org
-  dnl As long as there is no new release of CLooG,
-  dnl we will check for 0.14.0.
-  dnl
-  dnl The first git revision that will work with
-  dnl GCC is: bd91b845a65805c290d43fc1bef8139864a163fb
-  dnl This is enforced implictly, as this is the commit that
-  dnl introduced the versioning information used within our
-  dnl checks.
+  dnl The minimal version of CLooG required for Graphite.
   dnl
-  dnl If we're using CLooG-Legacy, the provided version information
-  dnl will be ignored.
-  CLOOG_CHECK_VERSION(0,14,0)
+  dnl If we use CLooG-Legacy, the provided version information is
+  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.