Sync toplevel files with GCC tree

2012-08-14   Diego Novillo  <dnovillo@google.com>

	Merge from cxx-conversion branch.

	* Makefile.tpl (STAGE[+id+]_CXXFLAGS): Remove
	POSTSTAGE1_CONFIGURE_FLAGS.
	* Makefile.in: Regenerate.
	* configure.ac (ENABLE_BUILD_WITH_CXX): Remove.  Update all users.
	Force C++ when bootstrapping.
	* configure: Regenerate.

2012-07-06  Richard Guenther  <rguenther@suse.de>

	* Makefile.def (cloog): Pass $(HOST_GMPINC) and $(HOST_ISLINC)
	as CPPFLAGS, pass path to built gmp as LDFLAGS, always use
	--with-gmp=system.
	* Makefile.in: Regenerated.
	* configure: Likewise.

2012-07-06  Richard Guenther  <rguenther@suse.de>

	* configure.ac (extra_isl_gmp_configure_flags): Initialize and subst.
	* Makefile.def (isl): Use extra_isl_gmp_configure_flags and
	supply V=1 as extra_make_flags.
	* configure: Regenerated.
	* Makefile.in: Likewise.

2012-07-03  Richard Guenther  <rguenther@suse.de>

	* Makfile.def (isl): Remove not necessary extra_exports and
	extra_make_flags.
	(cloog): Use $$CPPFLAGS instead of ${CPPFLAGS}.
	* Makefile.in: Regenerated.

2012-07-03  Richard Guenther  <rguenther@suse.de>

	* Makefile.def (cloog): Add V=1 to extra_make_flags.
	* configure.ac: If either the ISL or the CLooG check failed
	do not try to build in-tree versions.
	* Makefile.in: Regenerated.
	* configure: Regenerated.

2012-07-02  Richard Guenther  <rguenther@suse.de>
	Michael Matz  <matz@suse.de>
	Tobias Grosser <tobias@grosser.es>
	Sebastian Pop <sebpop@gmail.com>

	* Makefile.def: Add ISL host module, remove PPL host module.
	Adjust ClooG host module to use the proper ISL.
	* Makefile.tpl: Pass ISL include flags instead of PPL ones.
	* configure.ac: Include config/isl.m4.  Add ISL host library,
	remove PPL.  Remove PPL configury, add ISL configury, adjust
	ClooG configury.
	* Makefile.in: Regenerated.
	* configure: Likewise.

2012-07-02  Richard Guenther  <rguenther@suse.de>

	Merge from graphite branch
	2011-07-21  Tobias Grosser  <tobias@grosser.es>

	* configure: Regenerated.
	* config/cloog.m4: Remove support for CLooG-ppl and CLooG-parma,
	both cloog.org and legacy versions. The only supported version will
	be CLooG with the isl backend.

	2011-07-21  Tobias Grosser  <tobias@grosser.es>

	* configure: Regenerated.
	* configure.ac: Require cloog isl 0.17.0

	2011-07-21  Tobias Grosser  <tobias@grosser.es>

	* configure: Regenerated.
	* config/cloog.m4: Do not define CLOOG_ORG

2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>

	* configure.ac: Skip C if explicitly selected.
	* configure: Regenerate.

2012-06-28  Christophe Lyon <christophe.lyon@st.com>

	* configure.ac (CFLAGS_FOR_TARGET, CXXFLAGS_FOR_TARGET): Make sure
	they contain -O2.
	* configure: Regenerate.

2012-06-20  Jason Merrill  <jason@redhat.com>

	* Makefile.tpl (check-target-libgomp-c++): New.
	(check-target-libitm-c++): New.
	* Makefile.def (c++): Add them.
	* Makefile.in: Regenerate.

2012-05-16  Olivier Hainque  <hainque@adacore.com>

	* Makefile.tpl (gcc-no-fixedincludes): Rename into ...
	(gcc-install-no-fixedincludes): Now forwarder to local target in gcc/
	(install-no-fixedincludes): Adjust accordingly.
	* Makefile.in: Regenerate.

2012-05-09  Nick Clifton  <nickc@redhat.com>
	    Paul Smith  <psmith@gnu.org>

	PR bootstrap/50461
	* configure.ac (mpfr-dir): When using in-tree MPFR sources
	allow for the fact that from release v3.1.0 of MPFR the source
	files were moved into a src sub-directory.
	* configure: Regenerate.

2012-05-07  Janne Blomqvist  <jb@gcc.gnu.org>

	* configure.ac: Bump minimum MPFR version to 2.4.0.
	* configure: Regenerated.

2012-05-01  Richard Henderson  <rth@redhat.com>

	* Makefile.def (libatomic): New target_module.
	* configure.ac (target_libraries): Add libatomic.
	(noconfigdirs): Check if libatomic is supported.
	* Makefile.in, configure: Rebuild.

config/

2012-08-26  Art Haas <ahaas@impactweather.com>

	* cloog.m4 (CLOOG_INIT_FLAGS): Use = instead of == in test.

2012-07-04  Tristan Gingold  <gingold@adacore.com>

	* isl.m4 (ISL_CHECK_VERSION): Set to yes if cross-compiling.
	Fix comments.

2012-07-03  Richard Guenther  <rguenther@suse.de>

	* cloog.m4: Remove debugging print.

2012-07-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* isl.m4 (ISL_CHECK_VERSION): Add -lisl to LIBS, not LDFLAGS.

2012-07-02  Richard Guenther  <rguenther@suse.de>

	* isl.m4 (_ISL_CHECK_CT_PROG): Omit main function header/footer.
	Fix version test.

2012-07-02  Richard Guenther  <rguenther@suse.de>
	Michael Matz  <matz@suse.de>
	Tobias Grosser <tobias@grosser.es>
	Sebastian Pop <sebpop@gmail.com>

	* cloog.m4: Set up to work against ISL only.
	* isl.m4: New file.

1 files changed, 236 insertions, 472 deletions

diff --git a/configure b/configure
index 6079e6c..60e269e 100755
--- a/configure
+++ b/configure
@@ -556,7 +556,6 @@ enable_option_checking=no
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
 compare_exclusions
-POSTSTAGE1_CONFIGURE_FLAGS
 stage2_werror_flag
 stage1_checking
 stage1_cflags
@@ -646,12 +645,13 @@ stage1_languages
 extra_host_libiberty_configure_flags
 clooginc
 clooglibs
-pplinc
-ppllibs
+islinc
+isllibs
 poststage1_ldflags
 poststage1_libs
 stage1_libs
 stage1_ldflags
+extra_isl_gmp_configure_flags
 extra_mpc_mpfr_configure_flags
 extra_mpc_gmp_configure_flags
 extra_mpfr_configure_flags
@@ -752,8 +752,6 @@ enable_libada
 enable_libssp
 enable_static_libjava
 enable_bootstrap
-enable_build_with_cxx
-enable_build_poststage1_with_cxx
 with_mpc
 with_mpc_include
 with_mpc_lib
@@ -770,14 +768,13 @@ with_stage1_ldflags
 with_stage1_libs
 with_boot_libs
 with_boot_ldflags
-with_ppl
-with_ppl_include
-with_ppl_lib
-enable_ppl_version_check
+with_isl
+with_isl_include
+with_isl_lib
+enable_isl_version_check
 with_cloog
 with_cloog_include
 with_cloog_lib
-enable_cloog_backend
 enable_cloog_version_check
 enable_lto
 enable_stage1_languages
@@ -1471,14 +1468,8 @@ Optional Features:
   --enable-static-libjava[=ARG]
                           build static libjava [default=no]
   --enable-bootstrap      enable bootstrapping [yes if native build]
-  --enable-build-with-cxx build with C++ compiler instead of C compiler
-  --enable-build-poststage1-with-cxx
-                          build stages 2 and 3 with C++, not C
-  --disable-ppl-version-check
-                          disable check for PPL version
-  --enable-cloog-backend[=BACKEND]
-                          set the CLooG BACKEND used to either isl, ppl or
-                          ppl-legacy (default)
+  --disable-isl-version-check
+                          disable check for ISL version
   --disable-cloog-version-check
                           disable check for CLooG version
   --enable-lto            enable link time optimization support
@@ -1530,12 +1521,12 @@ Optional Packages:
   --with-boot-libs=LIBS   libraries for stage2 and later
   --with-boot-ldflags=FLAGS
                           linker flags for stage2 and later
-  --with-ppl=PATH         specify prefix directory for the installed PPL
+  --with-isl=PATH         Specify prefix directory for the installed ISL
                           package. Equivalent to
-                          --with-ppl-include=PATH/include plus
-                          --with-ppl-lib=PATH/lib
-  --with-ppl-include=PATH specify directory for installed PPL include files
-  --with-ppl-lib=PATH     specify directory for the installed PPL library
+                          --with-isl-include=PATH/include plus
+                          --with-isl-lib=PATH/lib
+  --with-isl-include=PATH Specify directory for installed ISL include files
+  --with-isl-lib=PATH     Specify the directory for the installed ISL library
   --with-cloog=PATH       Specify prefix directory for the installed CLooG-PPL
                           package. Equivalent to
                           --with-cloog-include=PATH/include plus
@@ -1820,6 +1811,48 @@ fi
   return $ac_retval
 
 } # ac_fn_c_try_link
+
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+       $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  return $ac_retval
+
+} # ac_fn_c_try_run
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
@@ -2666,7 +2699,7 @@ build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
 
 # these libraries are used by various programs built for the host environment
 #
-host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
+host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv"
 
 # these tools are built for the host environment
 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
@@ -2688,6 +2721,7 @@ target_libraries="target-libgcc \
 		target-libgloss \
 		target-newlib \
 		target-libgomp \
+		target-libatomic \
 		target-libitm \
 		target-libstdc++-v3 \
 		target-libmudflap \
@@ -2869,7 +2903,7 @@ case "${ENABLE_GOLD}" in
       *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
       | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
       | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
-      | *-*-solaris2* | *-*-nto* | *-*-nacl*)
+      | *-*-solaris2* | *-*-nto*)
         case "${target}" in
           *-*-linux*aout* | *-*-linux*oldld*)
             ;;
@@ -3064,6 +3098,25 @@ if test x$enable_libgomp = x ; then
     esac
 fi
 
+# Disable libatomic on unsupported systems.
+if test -d ${srcdir}/libatomic; then
+    if test x$enable_libatomic = x; then
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libatomic support" >&5
+$as_echo_n "checking for libatomic support... " >&6; }
+	if (srcdir=${srcdir}/libatomic; \
+		. ${srcdir}/configure.tgt; \
+		test -n "$UNSUPPORTED")
+	then
+	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+	    noconfigdirs="$noconfigdirs target-libatomic"
+	else
+	    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+	fi
+    fi
+fi
+
 # Disable libitm on unsupported systems.
 if test -d ${srcdir}/libitm; then
     if test x$enable_libitm = x; then
@@ -3446,9 +3499,6 @@ case "${target}" in
   tic54x-*-*)
     noconfigdirs="$noconfigdirs target-libgloss gdb"
     ;;
-  cr16-*-*)
-    noconfigdirs="$noconfigdirs gdb"
-    ;;
   d10v-*-*)
     noconfigdirs="$noconfigdirs target-libgloss"
     ;;
@@ -3498,7 +3548,8 @@ case "${target}" in
     noconfigdirs="$noconfigdirs libgui itcl ld"
     ;;
   ia64*-*-*vms*)
-    noconfigdirs="$noconfigdirs libgui itcl"
+    # No ld support yet.
+    noconfigdirs="$noconfigdirs libgui itcl ld"
     ;;
   i[3456789]86-w64-mingw*)
     ;;
@@ -3662,9 +3713,6 @@ fi
   *-mingw*)
     host_makefile_frag="config/mh-mingw"
     ;;
-  *-interix*)
-    host_makefile_frag="config/mh-interix"
-    ;;
   hppa*-hp-hpux10*)
     host_makefile_frag="config/mh-pa-hpux10"
     ;;
@@ -5055,24 +5103,6 @@ $as_echo "$as_me: WARNING: trying to bootstrap a cross compiler" >&2;}
     ;;
 esac
 
-# See if we are building gcc with C++.
-# Check whether --enable-build-with-cxx was given.
-if test "${enable_build_with_cxx+set}" = set; then :
-  enableval=$enable_build_with_cxx; ENABLE_BUILD_WITH_CXX=$enableval
-else
-  ENABLE_BUILD_WITH_CXX=no
-fi
-
-
-# Build stage1 with C and build stages 2 and 3 with C++.
-# Check whether --enable-build-poststage1-with-cxx was given.
-if test "${enable_build_poststage1_with_cxx+set}" = set; then :
-  enableval=$enable_build_poststage1_with_cxx; ENABLE_BUILD_POSTSTAGE1_WITH_CXX=$enableval
-else
-  ENABLE_BUILD_POSTSTAGE1_WITH_CXX=yes
-fi
-
-
 # Used for setting $lt_cv_objdir
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5
 $as_echo_n "checking for objdir... " >&6; }
@@ -5250,6 +5280,7 @@ if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp;
   gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
   extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
   extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
+  extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
   # Do not test the gmp version.  Assume that it is sufficient, since
   # it is in the source tree, and the library has not been built yet
   # but it would be included on the link line in the version check below
@@ -5327,7 +5358,7 @@ int
 main ()
 {
 
-    #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
+    #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
     choke me
     #endif
 
@@ -5470,7 +5501,7 @@ rm -f core conftest.err conftest.$ac_objext \
 # The library versions listed in the error message below should match
 # the HARD-minimums enforced above.
   if test x$have_gmp != xyes; then
-    as_fn_error "Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
+    as_fn_error "Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
 their locations.  Source code for these libraries can be found at
 their respective hosting sites as well as at
@@ -5489,6 +5520,7 @@ fi
 
 
 
+
 # Allow host libstdc++ to be specified for static linking with PPL.
 
 # Check whether --with-host-libstdcxx was given.
@@ -5570,159 +5602,154 @@ fi
 
 
 
-# Check for PPL
-ppllibs=
-pplinc=
-pwllib=
+# Check for ISL
 
 
-# Check whether --with-ppl was given.
-if test "${with_ppl+set}" = set; then :
-  withval=$with_ppl;
+# Check whether --with-isl was given.
+if test "${with_isl+set}" = set; then :
+  withval=$with_isl;
 fi
 
 
-# Check whether --with-ppl-include was given.
-if test "${with_ppl_include+set}" = set; then :
-  withval=$with_ppl_include;
+# Check whether --with-isl-include was given.
+if test "${with_isl_include+set}" = set; then :
+  withval=$with_isl_include;
 fi
 
 
-# Check whether --with-ppl-lib was given.
-if test "${with_ppl_lib+set}" = set; then :
-  withval=$with_ppl_lib;
+# Check whether --with-isl-lib was given.
+if test "${with_isl_lib+set}" = set; then :
+  withval=$with_isl_lib;
 fi
 
 
-# Check whether --enable-ppl-version-check was given.
-if test "${enable_ppl_version_check+set}" = set; then :
-  enableval=$enable_ppl_version_check;
+  # Check whether --enable-isl-version-check was given.
+if test "${enable_isl_version_check+set}" = set; then :
+  enableval=$enable_isl_version_check; ENABLE_ISL_CHECK=$enableval
+else
+  ENABLE_ISL_CHECK=yes
 fi
 
 
-case $with_ppl in
-  yes | no | "")
-    ;;
-  *)
-    ppllibs="-L$with_ppl/lib"
-    pplinc="-I$with_ppl/include $pplinc"
-    if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
-      with_ppl=yes
-    else
-      as_fn_error "cannot find directories \"$with_ppl/lib\" or \"$with_ppl/include\"" "$LINENO" 5
-    fi
-    ;;
-esac
+  # Initialize isllibs and islinc.
+  case $with_isl in
+    no)
+      isllibs=
+      islinc=
+      ;;
+    "" | yes)
+      ;;
+    *)
+      isllibs="-L$with_isl/lib"
+      islinc="-I$with_isl/include"
+      ;;
+  esac
+  if test "x${with_isl_include}" != x ; then
+    islinc="-I$with_isl_include"
+  fi
+  if test "x${with_isl_lib}" != x; then
+    isllibs="-L$with_isl_lib"
+  fi
+        if test "x${islinc}" = x && test "x${isllibs}" = x \
+     && test -d ${srcdir}/isl; then
+    isllibs='-L$$r/$(HOST_SUBDIR)/isl/'"$lt_cv_objdir"' '
+    islinc='-I$$r/$(HOST_SUBDIR)/isl/include -I$$s/isl/include'
+    ENABLE_ISL_CHECK=no
+  fi
 
-if test x"$with_ppl_include" != x; then
-  pplinc="-I$with_ppl_include $pplinc"
-  with_ppl=yes
-fi
+  isllibs="${isllibs} -lisl"
 
-if test "x$with_ppl_lib" != x; then
-  ppllibs="-L$with_ppl_lib"
-  with_ppl=yes
-fi
 
-if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
-  if test x"$enable_watchdog" = xyes; then
-    pwllib="-lpwl"
-  fi
-  ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
-  pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
-  enable_ppl_version_check=no
-  with_ppl=yes
-fi
 
-if test "x$with_ppl" != xno; then
-  if test "x$pwllib" = x; then
-    saved_LIBS="$LIBS"
-    LIBS="$LIBS $ppllibs -lstdc++ -lm"
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PWL_handle_timeout in -lpwl" >&5
-$as_echo_n "checking for PWL_handle_timeout in -lpwl... " >&6; }
-if test "${ac_cv_lib_pwl_PWL_handle_timeout+set}" = set; then :
+
+
+if test "x$with_isl" != "xno"; then
+
+  if test "${ENABLE_ISL_CHECK}" = yes ; then
+    _isl_saved_CFLAGS=$CFLAGS
+    _isl_saved_LDFLAGS=$LDFLAGS
+    _isl_saved_LIBS=$LIBS
+
+    CFLAGS="${_isl_saved_CFLAGS} ${islinc} ${gmpinc}"
+    LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs}"
+    LIBS="${_isl_saved_LIBS} -lisl"
+    echo $CFLAGS
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.10 of ISL" >&5
+$as_echo_n "checking for version 0.10 of ISL... " >&6; }
+if test "${gcc_cv_isl+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
-  ac_check_lib_save_LIBS=$LIBS
-LIBS="-lpwl  $LIBS"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  if test "$cross_compiling" = yes; then :
+  gcc_cv_isl=yes
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char PWL_handle_timeout ();
+#include <isl/version.h>
+   #include <string.h>
 int
 main ()
 {
-return PWL_handle_timeout ();
+if (strncmp (isl_version (), "isl-0.10", strlen ("isl-0.10")) != 0)
+     return 1;
+
   ;
   return 0;
 }
 _ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_cv_lib_pwl_PWL_handle_timeout=yes
+if ac_fn_c_try_run "$LINENO"; then :
+  gcc_cv_isl=yes
 else
-  ac_cv_lib_pwl_PWL_handle_timeout=no
+  gcc_cv_isl=no
 fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pwl_PWL_handle_timeout" >&5
-$as_echo "$ac_cv_lib_pwl_PWL_handle_timeout" >&6; }
-if test "x$ac_cv_lib_pwl_PWL_handle_timeout" = x""yes; then :
-  pwllib="-lpwl"
+
 fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_isl" >&5
+$as_echo "$gcc_cv_isl" >&6; }
 
-    LIBS="$saved_LIBS"
+    CFLAGS=$_isl_saved_CFLAGS
+    LDFLAGS=$_isl_saved_LDFLAGS
+    LIBS=$_isl_saved_LIBS
   fi
 
-  ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
 
-  if test "$enable_ppl_version_check" != no; then
-    saved_CFLAGS="$CFLAGS"
-    CFLAGS="$CFLAGS $pplinc $gmpinc"
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.11 (revision 0 or later) of PPL" >&5
-$as_echo_n "checking for version 0.11 (revision 0 or later) of PPL... " >&6; }
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include "ppl_c.h"
-int
-main ()
-{
 
-    #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
-    choke me
-    #endif
 
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }; ppllibs= ; pplinc= ; with_ppl=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-    CFLAGS="$saved_CFLAGS"
+
+
+
+  if test "x${with_isl}" = xno; then
+    graphite_requested=no
+  elif test "x${with_isl}" != x \
+    || test "x${with_isl_include}" != x \
+    || test "x${with_isl_lib}" != x ; then
+    graphite_requested=yes
+  else
+    graphite_requested=no
   fi
-fi
 
-# Flags needed for PPL
 
 
+  if test "${gcc_cv_isl}" = no ; then
+    isllibs=
+    islinc=
+  fi
 
+  if test "${graphite_requested}" = yes \
+    && test "x${isllibs}" = x \
+    && test "x${islinc}" = x ; then
 
-# Check for CLOOG
+    as_fn_error "Unable to find a usable ISL.  See config.log for details." "$LINENO" 5
+  fi
 
 
+fi
+
+# Check for CLOOG
+
 
 # Check whether --with-cloog was given.
 if test "${with_cloog+set}" = set; then :
@@ -5742,19 +5769,6 @@ if test "${with_cloog_lib+set}" = set; then :
 fi
 
 
-  # Check whether --enable-cloog-backend was given.
-if test "${enable_cloog_backend+set}" = set; then :
-  enableval=$enable_cloog_backend;  if   test "x${enableval}" = "xisl"; then
-	cloog_backend=isl
-      elif test "x${enableval}" = "xppl"; then
-	cloog_backend=ppl
-      else
-	cloog_backend=ppl-legacy
-      fi
-else
-  cloog_backend=ppl-legacy
-fi
-
   # Check whether --enable-cloog-version-check was given.
 if test "${enable_cloog_version_check+set}" = set; then :
   enableval=$enable_cloog_version_check; ENABLE_CLOOG_CHECK=$enableval
@@ -5782,179 +5796,23 @@ fi
   if test "x${with_cloog_lib}" != x; then
     clooglibs="-L$with_cloog_lib"
   fi
-
-
-
-
-
-if test "x$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
+      if test "x${clooginc}" = x && test "x${clooglibs}" = x \
+     && test -d ${srcdir}/cloog; then
+     clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
+     clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -I'${srcdir}'/cloog/include '
   fi
 
+  clooginc="-DCLOOG_INT_GMP ${clooginc}"
+  clooglibs="${clooglibs} -lcloog-isl ${isllibs}"
 
-  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 \
-  && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
-  clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
-  clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
-fi
-if test "x$with_cloog" != "xno"; then
-
-
-
-  _cloog_saved_CFLAGS=$CFLAGS
-  _cloog_saved_CPPFLAGS=$CPPFLAGS
-  _cloog_saved_LDFLAGS=$LDFLAGS
-  _cloog_saved_LIBS=$LIBS
-
-  _cloogorginc="-DCLOOG_INT_GMP -DCLOOG_ORG"
-
-    CFLAGS="${CFLAGS} ${clooginc} ${gmpinc}"
-  CPPFLAGS="${CPPFLAGS} ${_cloogorginc}"
-  LDFLAGS="${LDFLAGS} ${clooglibs}"
-
-  case $cloog_backend in
-    "ppl-legacy")
-    CFLAGS="${CFLAGS} ${pplinc}"
-    LDFLAGS="${LDFLAGS} ${ppllibs}"
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for installed CLooG PPL Legacy" >&5
-$as_echo_n "checking for installed CLooG PPL Legacy... " >&6; }
-if test "${gcc_cv_cloog_type+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  LIBS="-lcloog ${_cloog_saved_LIBS}"
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include "cloog/cloog.h"
-int
-main ()
-{
-#ifndef CLOOG_PPL_BACKEND
-    choke me
-   #endif
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  gcc_cv_cloog_type="PPL Legacy"
-else
-  gcc_cv_cloog_type=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_cloog_type" >&5
-$as_echo "$gcc_cv_cloog_type" >&6; }
-    ;;
-    "isl")
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for installed CLooG ISL" >&5
-$as_echo_n "checking for installed CLooG ISL... " >&6; }
-if test "${gcc_cv_cloog_type+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  LIBS="-lcloog-isl ${_cloog_saved_LIBS}"
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include "cloog/cloog.h"
-int
-main ()
-{
-cloog_version ()
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  gcc_cv_cloog_type="ISL"
-else
-  gcc_cv_cloog_type=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_cloog_type" >&5
-$as_echo "$gcc_cv_cloog_type" >&6; }
-    ;;
-    "ppl")
-    CFLAGS="${CFLAGS} ${pplinc}"
-    LDFLAGS="${LDFLAGS} ${ppllibs}"
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for installed CLooG PPL" >&5
-$as_echo_n "checking for installed CLooG PPL... " >&6; }
-if test "${gcc_cv_cloog_type+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  LIBS="-lcloog-ppl ${_cloog_saved_LIBS}"
-      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include "cloog/cloog.h"
-   #include "cloog/ppl/cloog.h"
-int
-main ()
-{
-cloog_version ()
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  gcc_cv_cloog_type="PPL"
-else
-  gcc_cv_cloog_type=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_cloog_type" >&5
-$as_echo "$gcc_cv_cloog_type" >&6; }
-    ;;
-    *)
-      gcc_cv_cloog_type=""
-  esac
 
-  case $gcc_cv_cloog_type in
-    "PPL Legacy")
-      clooginc="${clooginc}"
-      clooglibs="${clooglibs} -lcloog"
-      cloog_org=no
-      ;;
-    "ISL")
-      clooginc="${clooginc} ${_cloogorginc}"
-      clooglibs="${clooglibs} -lcloog-isl -lisl"
-      cloog_org=yes
-      ;;
-    "PPL")
-      clooginc="${clooginc} ${_cloogorginc}"
-      clooglibs="${clooglibs} -lcloog-ppl"
-      cloog_org=yes
-      ;;
-    *)
-      clooglibs=
-      clooginc=
-      cloog_org=
-      ;;
-  esac
 
-  LIBS=$_cloog_saved_LIBS
-  CFLAGS=$_cloog_saved_CFLAGS
-  CPPFLAGS=$_cloog_saved_CPPFLAGS
-  LDFLAGS=$_cloog_saved_LDFLAGS
 
 
+if test "x$isllibs" = x && test "x$islinc" = x; then
+  clooglibs=
+  clooginc=
+elif test "x$with_cloog" != "xno"; then
 
 
 
@@ -5962,24 +5820,23 @@ $as_echo "$gcc_cv_cloog_type" >&6; }
     _cloog_saved_CFLAGS=$CFLAGS
     _cloog_saved_LDFLAGS=$LDFLAGS
 
-    CFLAGS="${_cloog_saved_CFLAGS} ${clooginc} ${pplinc} ${gmpinc}"
-    LDFLAGS="${_cloog_saved_LDFLAGS} ${clooglibs} ${ppllibs}"
+    CFLAGS="${_cloog_saved_CFLAGS} ${clooginc} ${islinc} ${gmpinc}"
+    LDFLAGS="${_cloog_saved_LDFLAGS} ${clooglibs} ${isllibs} ${gmplib}"
 
-    if test "${cloog_org}" = yes ; then
-      { $as_echo "$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 :
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.17.0 of CLooG" >&5
+$as_echo_n "checking for version 0.17.0 of CLooG... " >&6; }
+if test "${gcc_cv_cloog+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include "cloog/cloog.h"
+#include "cloog/version.h"
 int
 main ()
 {
 #if CLOOG_VERSION_MAJOR != 0 \
-    || CLOOG_VERSION_MINOR != 16 \
-    || CLOOG_VERSION_REVISION < 1
+    || CLOOG_VERSION_MINOR != 17 \
+    || CLOOG_VERSION_REVISION < 0
     choke me
    #endif
   ;
@@ -5987,65 +5844,14 @@ main ()
 }
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"; then :
-  gcc_cv_cloog_ct_0_14_0=yes
+  gcc_cv_cloog=yes
 else
-  gcc_cv_cloog_ct_0_14_0=no
+  gcc_cv_cloog=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_cloog_ct_0_14_0" >&5
-$as_echo "$gcc_cv_cloog_ct_0_14_0" >&6; }
-    elif test "${cloog_org}" = no ; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.15.5 (or later revision) of CLooG" >&5
-$as_echo_n "checking for version 0.15.5 (or later revision) of CLooG... " >&6; }
-if test "${gcc_cv_cloog_ct_0_15_5+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include "cloog/cloog.h"
-int
-main ()
-{
-#if CLOOG_VERSION_MAJOR != 0 \
-    || CLOOG_VERSION_MINOR != 15 \
-    || CLOOG_VERSION_REVISION < 5
-    choke me
-   #endif
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include "cloog/cloog.h"
-int
-main ()
-{
-#if CLOOG_VERSION_MAJOR != 0 \
-    || CLOOG_VERSION_MINOR != 15 \
-    || CLOOG_VERSION_REVISION < 9
-    choke me
-   #endif
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  gcc_cv_cloog_ct_0_15_5=yes
-else
-  gcc_cv_cloog_ct_0_15_5="buggy but acceptable"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  gcc_cv_cloog_ct_0_15_5=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_cloog_ct_0_15_5" >&5
-$as_echo "$gcc_cv_cloog_ct_0_15_5" >&6; }
-    fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_cloog" >&5
+$as_echo "$gcc_cv_cloog" >&6; }
 
     CFLAGS=$_cloog_saved_CFLAGS
     LDFLAGS=$_cloog_saved_LDFLAGS
@@ -6069,9 +5875,7 @@ $as_echo "$gcc_cv_cloog_ct_0_15_5" >&6; }
 
 
 
-  if test "${gcc_cv_cloog_ct_0_14_0}" = no \
-    || test "${gcc_cv_cloog_rt_0_14_0}" = no \
-    || test "${gcc_cv_cloog_ct_0_15_5}" = no; then
+  if test "${gcc_cv_cloog}" = no ; then
     clooglibs=
     clooginc=
   fi
@@ -6086,6 +5890,12 @@ $as_echo "$gcc_cv_cloog_ct_0_15_5" >&6; }
 
 fi
 
+# If either the ISL or the CLooG check failed, disable builds of in-tree
+# variants of both
+if test "x$clooglibs" = x && test "x$clooginc" = x; then
+  noconfigdirs="$noconfigdirs cloog isl"
+fi
+
 # Check for LTO support.
 # Check whether --enable-lto was given.
 if test "${enable_lto+set}" = set; then :
@@ -6146,7 +5956,7 @@ fi
 
 
 
-# By default, C is the only stage 1 language.
+# By default, C and C++ are the only stage 1 languages.
 stage1_languages=,c,
 
 # Target libraries that we bootstrap.
@@ -6184,15 +5994,14 @@ if test -d ${srcdir}/gcc; then
       ;;
   esac
 
-  # If bootstrapping, then using --enable-build-with-cxx or
-  # --enable-build-poststage1-with-cxx requires enabling C++.
-  case ",$enable_languages,:,$ENABLE_BUILD_WITH_CXX,$ENABLE_BUILD_POSTSTAGE1_WITH_CXX,:$enable_bootstrap" in
-    *,c++,*:*:*) ;;
-    *:*,yes,*:yes)
+  # If bootstrapping, C++ must be enabled.
+  case ",$enable_languages,:$enable_bootstrap" in
+    *,c++,*:*) ;;
+    *:yes)
       if test -f ${srcdir}/gcc/cp/config-lang.in; then
         enable_languages="${enable_languages},c++"
       else
-        as_fn_error "bootstrapping with --enable-build-with-cxx or --enable-build-poststage1-with-cxx requires c++ sources" "$LINENO" 5
+        as_fn_error "bootstrapping requires c++ sources" "$LINENO" 5
       fi
       ;;
   esac
@@ -6287,16 +6096,16 @@ if test -d ${srcdir}/gcc; then
         fi
 
 	if test "$language" = "c++"; then
-	  if test "$ENABLE_BUILD_WITH_CXX" = "yes" \
-	     || test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
-	    boot_language=yes
-	  fi
+	  boot_language=yes
 	fi
 
         case ,${enable_languages}, in
           *,${language},*)
-            # Language was explicitly selected; include it.
-            add_this_lang=yes
+            # Language was explicitly selected; include it
+	    # unless it is C, which is enabled by default.
+	    if test "$language" != "c"; then
+	      add_this_lang=yes
+	    fi
             ;;
           *,all,*)
             # 'all' was selected, select it if it is a default language
@@ -6472,6 +6281,14 @@ case ,${enable_languages},:${enable_objc_gc} in
     ;;
 esac
 
+# Disable libitm if we're not building C++
+case ,${enable_languages}, in
+  *,c++,*) ;;
+  *)
+    noconfigdirs="$noconfigdirs target-libitm"
+    ;;
+esac
+
 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
 # $build_configdirs and $target_configdirs.
 # If we have the source for $noconfigdirs entries, add them to $notsupp.
@@ -6838,10 +6655,6 @@ case "${target}" in
     extra_arflags_for_target=" -X32_64"
     extra_nmflags_for_target=" -B -X32_64"
     ;;
-  *-*-darwin[3-9]*)
-    # ranlib before Darwin10 requires the -c flag to look at common symbols.
-    extra_ranlibflags_for_target=" -c"
-    ;;
 esac
 
 alphaieee_frag=/dev/null
@@ -7211,7 +7024,7 @@ do
 
 
     case $lib in
-    mpc | mpfr | gmp | ppl | cloog)
+    mpc | mpfr | gmp | cloog)
       # If we're processing --with-$lib, --with-$lib-include or
       # --with-$lib-lib, for one of the libs above, and target is
       # different from host, don't pass the current argument to any
@@ -14374,43 +14187,6 @@ case $build in
     esac ;;
 esac
 
-# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
-if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
-  saved_CFLAGS="$CFLAGS"
-
-  # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
-  CFLAGS="$CFLAGS -fkeep-inline-functions"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -fkeep-inline-functions is supported" >&5
-$as_echo_n "checking whether -fkeep-inline-functions is supported... " >&6; }
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-
-#if (__GNUC__ < 3) \
-    || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
-			  || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
-#error http://gcc.gnu.org/PR29382
-#endif
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }; stage1_cflags="$stage1_cflags -fkeep-inline-functions"
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-  CFLAGS="$saved_CFLAGS"
-fi
-
 
 
 # Enable --enable-checking in stage1 of the compiler.
@@ -14445,15 +14221,6 @@ case ${enable_werror} in
 esac
 
 
-# If using ENABLE_BUILD_POSTSTAGE1_WITH_CXX, pass
-# --enable-build-with-cxx after stage1.
-if test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then
-  POSTSTAGE1_CONFIGURE_FLAGS=--enable-build-with-cxx
-else
-  POSTSTAGE1_CONFIGURE_FLAGS=
-fi
-
-
 # Specify what files to not compare during bootstrap.
 
 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
@@ -14461,9 +14228,6 @@ case "$target" in
   hppa*64*-*-hpux*) ;;
   hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
 esac
-case " $configdirs " in
-*" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
-esac
 
 
 ac_config_files="$ac_config_files Makefile"