Sync toplevel files with GCC tree

2012-09-28  Ian Lance Taylor  <iant@google.com>

	* Makefile.def: Make all-target-libgo depend on
	all-target-libbacktrace.
	* Makefile.in: Rebuild.

2012-09-26  Ian Lance Taylor  <iant@google.com>

	* Makefile.def: Make all-gcc depend on all-libbacktrace.
	* Makefile.in: Rebuild.

2012-09-06  Diego Novillo  <dnovillo@google.com>

	* configure.ac: Bump minimum GMP version to 4.2.3.
	* configure: Re-generate.

2012-09-05  Georg-Johann Lay  <avr@gjlay.de>

	PR target/54461
	* configure.ac (noconfigdirs,target=avr-*-*): Add target-newlib,
	target-libgloss if not configured --with-avrlibc=no.
	* configure: Regenerate.

2012-09-04  Jason Merrill  <jason@redhat.com>

	* configure.ac: Fix --enable-languages=all.

2012-09-03  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/54138
	* configure.ac: Re-organize ISL / CLOOG checks to allow
	disabling with either --without-isl or --without-cloog.
	* configure: Regenerated.

2012-09-03  Georg-Johann Lay  <avr@gjlay.de>

	* configure.ac (noconfigdirs,target=avr): Add target-libquadmath.
	* configure: Regenerate.

5 files changed, 178 insertions, 67 deletions

diff --git a/ChangeLog b/ChangeLog
index f0893d7c28e..469651a7878 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,42 @@
+2012-09-28  Ian Lance Taylor  <iant@google.com>
+
+	* Makefile.def: Make all-target-libgo depend on
+	all-target-libbacktrace.
+	* Makefile.in: Rebuild.
+
+2012-09-26  Ian Lance Taylor  <iant@google.com>
+
+	* Makefile.def: Make all-gcc depend on all-libbacktrace.
+	* Makefile.in: Rebuild.
+
+2012-09-06  Diego Novillo  <dnovillo@google.com>
+
+	* configure.ac: Bump minimum GMP version to 4.2.3.
+	* configure: Re-generate.
+
+2012-09-05  Georg-Johann Lay  <avr@gjlay.de>
+
+	PR target/54461
+	* configure.ac (noconfigdirs,target=avr-*-*): Add target-newlib,
+	target-libgloss if not configured --with-avrlibc=no.
+	* configure: Regenerate.
+
+2012-09-04  Jason Merrill  <jason@redhat.com>
+
+	* configure.ac: Fix --enable-languages=all.
+
+2012-09-03  Richard Guenther  <rguenther@suse.de>
+
+	PR bootstrap/54138
+	* configure.ac: Re-organize ISL / CLOOG checks to allow
+	disabling with either --without-isl or --without-cloog.
+	* configure: Regenerated.
+
+2012-09-03  Georg-Johann Lay  <avr@gjlay.de>
+
+	* configure.ac (noconfigdirs,target=avr): Add target-libquadmath.
+	* configure: Regenerate.
+
 2012-09-21  Steve Ellcey  <sellcey@mips.com>
 
 	* configure.ac: Add mips*-mti-elf* target.
diff --git a/Makefile.def b/Makefile.def
index f32ffb0f5ca..c22388a0702 100644
--- a/Makefile.def
+++ b/Makefile.def
@@ -305,6 +305,7 @@ dependencies = { module=all-gcc; on=all-build-flex; };
 dependencies = { module=all-gcc; on=all-build-libiberty; };
 dependencies = { module=all-gcc; on=all-build-fixincludes; };
 dependencies = { module=all-gcc; on=all-zlib; };
+dependencies = { module=all-gcc; on=all-libbacktrace; hard=true; };
 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; };
@@ -490,6 +491,7 @@ dependencies = { module=configure-target-fastjar; on=configure-target-zlib; };
 dependencies = { module=all-target-fastjar; on=all-target-zlib; };
 dependencies = { module=configure-target-libgo; on=configure-target-libffi; };
 dependencies = { module=configure-target-libgo; on=all-target-libstdc++-v3; };
+dependencies = { module=all-target-libgo; on=all-target-libbacktrace; };
 dependencies = { module=all-target-libgo; on=all-target-libffi; };
 dependencies = { module=configure-target-libjava; on=configure-target-zlib; };
 dependencies = { module=configure-target-libjava; on=configure-target-boehm-gc; };
diff --git a/Makefile.in b/Makefile.in
index 4200d5d5307..9536afffbca 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -44825,6 +44825,14 @@ all-stage3-gcc: maybe-all-stage3-zlib
 all-stage4-gcc: maybe-all-stage4-zlib
 all-stageprofile-gcc: maybe-all-stageprofile-zlib
 all-stagefeedback-gcc: maybe-all-stagefeedback-zlib
+all-gcc: all-libbacktrace
+
+all-stage1-gcc: all-stage1-libbacktrace
+all-stage2-gcc: all-stage2-libbacktrace
+all-stage3-gcc: all-stage3-libbacktrace
+all-stage4-gcc: all-stage4-libbacktrace
+all-stageprofile-gcc: all-stageprofile-libbacktrace
+all-stagefeedback-gcc: all-stagefeedback-libbacktrace
 all-gcc: all-libcpp
 
 all-stage1-gcc: all-stage1-libcpp
@@ -45340,6 +45348,7 @@ configure-target-fastjar: maybe-configure-target-zlib
 all-target-fastjar: maybe-all-target-zlib
 configure-target-libgo: maybe-configure-target-libffi
 configure-target-libgo: maybe-all-target-libstdc++-v3
+all-target-libgo: maybe-all-target-libbacktrace
 all-target-libgo: maybe-all-target-libffi
 configure-target-libjava: maybe-configure-target-zlib
 configure-target-libjava: maybe-configure-target-boehm-gc
diff --git a/configure b/configure
index 77397f386f3..8011d82dfa2 100755
--- a/configure
+++ b/configure
@@ -646,7 +646,6 @@ extra_host_libiberty_configure_flags
 clooginc
 clooglibs
 islinc
-isllibs
 poststage1_ldflags
 poststage1_libs
 stage1_libs
@@ -768,11 +767,11 @@ with_stage1_ldflags
 with_stage1_libs
 with_boot_libs
 with_boot_ldflags
+with_cloog
 with_isl
 with_isl_include
 with_isl_lib
 enable_isl_version_check
-with_cloog
 with_cloog_include
 with_cloog_lib
 enable_cloog_version_check
@@ -1521,16 +1520,16 @@ Optional Packages:
   --with-boot-libs=LIBS   libraries for stage2 and later
   --with-boot-ldflags=FLAGS
                           linker flags for stage2 and later
+  --with-cloog=PATH       Specify prefix directory for the installed CLooG-ISL
+                          package. Equivalent to
+                          --with-cloog-include=PATH/include plus
+                          --with-cloog-lib=PATH/lib
   --with-isl=PATH         Specify prefix directory for the installed ISL
                           package. Equivalent to
                           --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
-                          --with-cloog-lib=PATH/lib
   --with-cloog-include=PATH
                           Specify directory for installed CLooG include files
   --with-cloog-lib=PATH   Specify the directory for the installed CLooG
@@ -3163,6 +3162,13 @@ case "${target}" in
     ;;
 esac
 
+# Disable libquadmath for some systems.
+case "${target}" in
+  avr-*-*)
+    noconfigdirs="$noconfigdirs target-libquadmath"
+    ;;
+esac
+
 # Disable libstdc++-v3 for some systems.
 case "${target}" in
   *-*-vxworks*)
@@ -3503,6 +3509,13 @@ case "${target}" in
   arm-*-riscix*)
     noconfigdirs="$noconfigdirs ld target-libgloss"
     ;;
+  avr-*-rtems*)
+    ;;
+  avr-*-*)
+    if test x${with_avrlibc} != xno; then
+      noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    fi
+    ;;
   c4x-*-* | tic4x-*-*)
     noconfigdirs="$noconfigdirs target-libgloss"
     ;;
@@ -5315,7 +5328,7 @@ main ()
 
   #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
   #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
-  #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
+  #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
   choke me
   #endif
 
@@ -5612,7 +5625,15 @@ fi
 
 
 
-# Check for ISL
+# GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
+# Basic setup is inlined here, actual checks are in config/cloog.m4 and
+# config/isl.m4
+
+
+# Check whether --with-cloog was given.
+if test "${with_cloog+set}" = set; then :
+  withval=$with_cloog;
+fi
 
 
 # Check whether --with-isl was given.
@@ -5621,6 +5642,13 @@ if test "${with_isl+set}" = set; then :
 fi
 
 
+# Treat either --without-cloog or --without-isl as a request to disable
+# GRAPHITE support and skip all following checks.
+if test "x$with_isl" != "xno" &&
+   test "x$with_cloog" != "xno"; then
+  # Check for ISL
+
+
 # Check whether --with-isl-include was given.
 if test "${with_isl_include+set}" = set; then :
   withval=$with_isl_include;
@@ -5667,14 +5695,8 @@ fi
     ENABLE_ISL_CHECK=no
   fi
 
-  isllibs="${isllibs} -lisl"
-
 
 
-
-
-if test "x$with_isl" != "xno"; then
-
   if test "${ENABLE_ISL_CHECK}" = yes ; then
     _isl_saved_CFLAGS=$CFLAGS
     _isl_saved_LDFLAGS=$LDFLAGS
@@ -5730,7 +5752,6 @@ $as_echo "$gcc_cv_isl" >&6; }
 
 
 
-
   if test "x${with_isl}" = xno; then
     graphite_requested=no
   elif test "x${with_isl}" != x \
@@ -5756,15 +5777,9 @@ $as_echo "$gcc_cv_isl" >&6; }
   fi
 
 
-fi
-
-# Check for CLOOG
-
 
-# Check whether --with-cloog was given.
-if test "${with_cloog+set}" = set; then :
-  withval=$with_cloog;
-fi
+  if test "x$gcc_cv_isl" != "xno"; then
+    # Check for CLOOG
 
 
 # Check whether --with-cloog-include was given.
@@ -5813,16 +5828,9 @@ fi
   fi
 
   clooginc="-DCLOOG_INT_GMP ${clooginc}"
-  clooglibs="${clooglibs} -lcloog-isl ${isllibs}"
-
-
-
+  clooglibs="${clooglibs} -lcloog-isl ${isllibs} -lisl"
 
 
-if test "x$isllibs" = x && test "x$islinc" = x; then
-  clooglibs=
-  clooginc=
-elif test "x$with_cloog" != "xno"; then
 
 
 
@@ -5894,18 +5902,30 @@ $as_echo "$gcc_cv_cloog" >&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
 
 
+  fi
 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
+if test "x$with_isl" = xno ||
+   test "x$with_cloog" = xno ||
+   test "x$gcc_cv_cloog" = xno ||
+   test "x$gcc_cv_isl" = xno; then
   noconfigdirs="$noconfigdirs cloog isl"
+  islinc=
+  clooginc=
+  clooglibs=
 fi
 
+
+
+
+
+
 # Check for LTO support.
 # Check whether --enable-lto was given.
 if test "${enable_lto+set}" = set; then :
@@ -6109,6 +6129,7 @@ if test -d ${srcdir}/gcc; then
 	  boot_language=yes
 	fi
 
+        add_this_lang=no
         case ,${enable_languages}, in
           *,${language},*)
             # Language was explicitly selected; include it
@@ -6119,10 +6140,9 @@ if test -d ${srcdir}/gcc; then
             ;;
           *,all,*)
             # 'all' was selected, select it if it is a default language
-            add_this_lang=${build_by_default}
-            ;;
-          *)
-            add_this_lang=no
+	    if test "$language" != "c"; then
+	      add_this_lang=${build_by_default}
+	    fi
             ;;
         esac
 
diff --git a/configure.ac b/configure.ac
index aea8c176c81..f0d86d9069b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -554,6 +554,13 @@ case "${target}" in
     ;;
 esac
 
+# Disable libquadmath for some systems.
+case "${target}" in
+  avr-*-*)
+    noconfigdirs="$noconfigdirs target-libquadmath"
+    ;;
+esac
+
 # Disable libstdc++-v3 for some systems.
 case "${target}" in
   *-*-vxworks*)
@@ -894,6 +901,13 @@ case "${target}" in
   arm-*-riscix*)
     noconfigdirs="$noconfigdirs ld target-libgloss"
     ;;
+  avr-*-rtems*)
+    ;;
+  avr-*-*)
+    if test x${with_avrlibc} != xno; then
+      noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    fi
+    ;;
   c4x-*-* | tic4x-*-*)
     noconfigdirs="$noconfigdirs target-libgloss"
     ;;
@@ -1354,7 +1368,7 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
   AC_TRY_COMPILE([#include "gmp.h"],[
   #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
   #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
-  #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
+  #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
   choke me
   #endif
   ], [AC_TRY_COMPILE([#include <gmp.h>],[
@@ -1516,44 +1530,71 @@ AC_ARG_WITH(boot-ldflags,
  fi])
 AC_SUBST(poststage1_ldflags)
 
-# Check for ISL
-dnl Provide configure switches and initialize islinc & isllibs
-dnl with user input.
-ISL_INIT_FLAGS
-if test "x$with_isl" != "xno"; then
+# GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
+# Basic setup is inlined here, actual checks are in config/cloog.m4 and
+# config/isl.m4
+
+AC_ARG_WITH(cloog,
+  [AS_HELP_STRING(
+    [--with-cloog=PATH],
+    [Specify prefix directory for the installed CLooG-ISL package.
+     Equivalent to --with-cloog-include=PATH/include
+     plus --with-cloog-lib=PATH/lib])])
+AC_ARG_WITH(isl,
+  [AS_HELP_STRING(
+   [--with-isl=PATH],
+   [Specify prefix directory for the installed ISL package.
+    Equivalent to --with-isl-include=PATH/include
+    plus --with-isl-lib=PATH/lib])])
+
+# Treat either --without-cloog or --without-isl as a request to disable
+# GRAPHITE support and skip all following checks.
+if test "x$with_isl" != "xno" &&
+   test "x$with_cloog" != "xno"; then
+  # Check for ISL
+  dnl Provide configure switches and initialize islinc & isllibs
+  dnl with user input.
+  ISL_INIT_FLAGS
   dnl The minimal version of ISL required for Graphite.
   ISL_CHECK_VERSION(0,10)
-
   dnl Only execute fail-action, if ISL has been requested.
   ISL_IF_FAILED([
     AC_MSG_ERROR([Unable to find a usable ISL.  See config.log for details.])])
-fi
 
-# Check for CLOOG
-dnl Provide configure switches and initialize clooginc & clooglibs
-dnl with user input.
-CLOOG_INIT_FLAGS
-if test "x$isllibs" = x && test "x$islinc" = x; then
-  clooglibs=
-  clooginc=
-elif test "x$with_cloog" != "xno"; then
-  dnl The minimal version of CLooG required for Graphite.
-  dnl
-  dnl If we use CLooG-Legacy, the provided version information is
-  dnl ignored.
-  CLOOG_CHECK_VERSION(0,17,0)
-
-  dnl Only execute fail-action, if CLooG has been requested.
-  CLOOG_IF_FAILED([
-    AC_MSG_ERROR([Unable to find a usable CLooG.  See config.log for details.])])
+  if test "x$gcc_cv_isl" != "xno"; then
+    # Check for CLOOG
+    dnl Provide configure switches and initialize clooginc & clooglibs
+    dnl with user input.
+    CLOOG_INIT_FLAGS
+    dnl The minimal version of CLooG required for Graphite.
+    dnl
+    dnl If we use CLooG-Legacy, the provided version information is
+    dnl ignored.
+    CLOOG_CHECK_VERSION(0,17,0)
+
+    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.])])
+  fi
 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
+if test "x$with_isl" = xno ||
+   test "x$with_cloog" = xno ||
+   test "x$gcc_cv_cloog" = xno ||
+   test "x$gcc_cv_isl" = xno; then
   noconfigdirs="$noconfigdirs cloog isl"
+  islinc=
+  clooginc=
+  clooglibs=
 fi
 
+AC_SUBST(islinc)
+AC_SUBST(clooglibs)
+AC_SUBST(clooginc)
+
+
 # Check for LTO support.
 AC_ARG_ENABLE(lto,
 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
@@ -1734,6 +1775,7 @@ if test -d ${srcdir}/gcc; then
 	  boot_language=yes
 	fi
 
+        add_this_lang=no
         case ,${enable_languages}, in
           *,${language},*)
             # Language was explicitly selected; include it
@@ -1744,10 +1786,9 @@ if test -d ${srcdir}/gcc; then
             ;;
           *,all,*)
             # 'all' was selected, select it if it is a default language
-            add_this_lang=${build_by_default}
-            ;;
-          *)
-            add_this_lang=no
+	    if test "$language" != "c"; then
+	      add_this_lang=${build_by_default}
+	    fi
             ;;
         esac