X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=configure;h=be9dd89d9bf5355d42f6d40fa74415a2d866f429;hb=f7c514a3784384215692c43d66f013d7640db277;hp=6d7152eac67baa8482bb4ef5621fc950acd20715;hpb=136bb21fda016fcfc97dfeff692ee899951148de;p=binutils-gdb.git

diff --git a/configure b/configure
index 6d7152eac67..be9dd89d9bf 100755
--- a/configure
+++ b/configure
@@ -583,7 +583,6 @@ AS_FOR_TARGET
 AR_FOR_TARGET
 GOC_FOR_TARGET
 GFORTRAN_FOR_TARGET
-GCJ_FOR_TARGET
 GCC_FOR_TARGET
 CXX_FOR_TARGET
 CC_FOR_TARGET
@@ -616,7 +615,6 @@ LD_FOR_BUILD
 LDFLAGS_FOR_BUILD
 GOC_FOR_BUILD
 GFORTRAN_FOR_BUILD
-GCJ_FOR_BUILD
 DLLTOOL_FOR_BUILD
 CXX_FOR_BUILD
 CXXFLAGS_FOR_BUILD
@@ -650,6 +648,7 @@ extra_linker_plugin_flags
 extra_linker_plugin_configure_flags
 islinc
 isllibs
+islver
 poststage1_ldflags
 poststage1_libs
 stage1_ldflags
@@ -673,7 +672,6 @@ CPPFLAGS
 LDFLAGS
 CFLAGS
 CC
-EXTRA_CONFIGARGS_LIBJAVA
 extra_liboffloadmic_configure_flags
 target_subdir
 host_subdir
@@ -753,13 +751,13 @@ enable_as_accelerator_for
 enable_offload_targets
 enable_gold
 enable_ld
+enable_compressed_debug_sections
 enable_libquadmath
 enable_libquadmath_support
 enable_libada
 enable_libssp
 enable_libstdcxx
 enable_liboffloadmic
-enable_static_libjava
 enable_bootstrap
 with_mpc
 with_mpc_include
@@ -772,7 +770,6 @@ with_gmp_dir
 with_gmp
 with_gmp_include
 with_gmp_lib
-with_host_libstdcxx
 with_stage1_libs
 with_stage1_ldflags
 with_boot_libs
@@ -786,6 +783,9 @@ enable_linker_plugin_configure_flags
 enable_linker_plugin_flags
 enable_stage1_languages
 enable_objc_gc
+with_target_bdw_gc
+with_target_bdw_gc_include
+with_target_bdw_gc_lib
 with_build_sysroot
 with_debug_prefix_map
 with_build_config
@@ -827,7 +827,6 @@ READELF
 CC_FOR_TARGET
 CXX_FOR_TARGET
 GCC_FOR_TARGET
-GCJ_FOR_TARGET
 GFORTRAN_FOR_TARGET
 GOC_FOR_TARGET
 AR_FOR_TARGET
@@ -1477,6 +1476,9 @@ Optional Features:
                           offload target compiler during the build
   --enable-gold[=ARG]     build gold [ARG={default,yes,no}]
   --enable-ld[=ARG]       build ld [ARG={default,yes,no}]
+  --enable-compressed-debug-sections={all,gas,gold,ld,none}
+                          Enable compressed debug sections for gas, gold or ld
+                          by default
   --disable-libquadmath   do not build libquadmath directory
   --disable-libquadmath-support
                           disable libquadmath support for Fortran
@@ -1485,11 +1487,9 @@ Optional Features:
   --disable-libstdcxx     do not build libstdc++-v3 directory
   --enable-liboffloadmic=ARG
                           build liboffloadmic [ARG={no,host,target}]
-  --enable-static-libjava[=ARG]
-                          build static libjava [default=no]
   --enable-bootstrap      enable bootstrapping [yes if native build]
   --disable-isl-version-check
-                          disable check for ISL version
+                          disable check for isl version
   --enable-lto            enable link time optimization support
   --enable-linker-plugin-configure-flags=FLAGS
                           additional flags for configuring linker plugins
@@ -1540,20 +1540,28 @@ Optional Packages:
                           --with-gmp-lib=PATH/lib
   --with-gmp-include=PATH specify directory for installed GMP include files
   --with-gmp-lib=PATH     specify directory for the installed GMP library
-  --with-host-libstdcxx=L use linker arguments L to link with libstdc++ when
-                          linking with PPL
   --with-stage1-libs=LIBS libraries for stage1
   --with-stage1-ldflags=FLAGS
                           linker flags for stage1
   --with-boot-libs=LIBS   libraries for stage2 and later
   --with-boot-ldflags=FLAGS
                           linker flags for stage2 and later
-  --with-isl=PATH         Specify prefix directory for the installed ISL
+  --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-isl-include=PATH Specify directory for installed isl include files
+  --with-isl-lib=PATH     Specify the directory for the installed isl library
+  --with-target-bdw-gc=PATHLIST
+                          specify prefix directory for installed bdw-gc
+                          package. Equivalent to
+                          --with-target-bdw-gc-include=PATH/include plus
+                          --with-target-bdw-gc-lib=PATH/lib
+  --with-target-bdw-gc-include=PATHLIST
+                          specify directories for installed bdw-gc include
+                          files
+  --with-target-bdw-gc-lib=PATHLIST
+                          specify directories for installed bdw-gc library
   --with-build-sysroot=SYSROOT
                           use sysroot as the system root during the build
   --with-debug-prefix-map='A=B C=D ...'
@@ -1598,8 +1606,6 @@ Some influential environment variables:
               CXX for the target
   GCC_FOR_TARGET
               GCC for the target
-  GCJ_FOR_TARGET
-              GCJ for the target
   GFORTRAN_FOR_TARGET
               GFORTRAN for the target
   GOC_FOR_TARGET
@@ -2734,11 +2740,6 @@ host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktr
 # If --enable-gold is used, "gold" may replace "ld".
 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
 
-# libgcj represents the runtime libraries only used by gcj.
-libgcj="target-libffi \
-	target-zlib \
-	target-libjava"
-
 # these libraries are built for the target environment, and are built after
 # the host libraries and the host tools (which may be a cross compiler)
 # Note that libiberty is not a target library.
@@ -2758,8 +2759,7 @@ target_libraries="target-libgcc \
 		target-libssp \
 		target-libquadmath \
 		target-libgfortran \
-		target-boehm-gc \
-		${libgcj} \
+		target-libffi \
 		target-libobjc \
 		target-libada \
 		target-libgo"
@@ -2957,7 +2957,7 @@ case "${ENABLE_GOLD}" in
       *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
       | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
       | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
-      | *-*-solaris2* | *-*-nto* | *-*-nacl*)
+      | *-*-solaris2* | *-*-nto* | *-*-nacl* | *-*-fuchsia*)
         case "${target}" in
           *-*-linux*aout* | *-*-linux*oldld*)
             ;;
@@ -2971,7 +2971,7 @@ case "${ENABLE_GOLD}" in
       # Check for target supported by gold.
       case "${target}" in
         i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
-        | aarch64*-*-* | tilegx*-*-*)
+        | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
 	  configdirs="$configdirs gold"
 	  if test x${ENABLE_GOLD} = xdefault; then
 	    default_ld=gold
@@ -3016,6 +3016,21 @@ $as_echo "$as_me: WARNING: neither ld nor gold are enabled" >&2;}
     ;;
 esac
 
+# PR gas/19109
+# Decide the default method for compressing debug sections.
+# Provide a configure time option to override our default.
+# Check whether --enable-compressed_debug_sections was given.
+if test "${enable_compressed_debug_sections+set}" = set; then :
+  enableval=$enable_compressed_debug_sections;
+  if test x"$enable_compressed_debug_sections" = xyes; then
+    as_fn_error "no program with compressed debug sections specified" "$LINENO" 5
+  fi
+
+else
+  enable_compressed_debug_sections=
+fi
+
+
 # Configure extra directories which are host specific
 
 case "${host}" in
@@ -3131,46 +3146,8 @@ fi
 
 
 
-# Save it here so that, even in case of --enable-libgcj, if the Java
-# front-end isn't enabled, we still get libgcj disabled.
-libgcj_saved=$libgcj
-case $enable_libgcj in
-yes)
-  # If we reset it here, it won't get added to noconfigdirs in the
-  # target-specific build rules, so it will be forcibly enabled
-  # (unless the Java language itself isn't enabled).
-  libgcj=
-  ;;
-no)
-  # Make sure we get it printed in the list of not supported target libs.
-  # Don't disable libffi, though, other languages use it.
-  noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
-  # Clear libgcj_saved so that even if java is enabled libffi won't be
-  # built.
-  libgcj_saved=
-  ;;
-esac
-
-# Check whether --enable-static-libjava was given.
-if test "${enable_static_libjava+set}" = set; then :
-  enableval=$enable_static_libjava; ENABLE_STATIC_LIBJAVA=$enableval
-else
-  ENABLE_STATIC_LIBJAVA=no
-fi
-
-enable_static_libjava=
-if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
-  enable_static_libjava=yes
-fi
-
-if test x$enable_static_libjava != xyes ; then
-  EXTRA_CONFIGARGS_LIBJAVA=--disable-static
-fi
-
-
-# Disable libgomp on non POSIX hosted systems.
+# Enable libgomp by default on hosted POSIX systems, and a few others.
 if test x$enable_libgomp = x ; then
-    # Enable libgomp by default on hosted POSIX systems.
     case "${target}" in
     *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
 	;;
@@ -3180,6 +3157,8 @@ if test x$enable_libgomp = x ; then
 	;;
     *-*-darwin* | *-*-aix*)
 	;;
+    nvptx*-*-*)
+	;;
     *)
 	noconfigdirs="$noconfigdirs target-libgomp"
 	;;
@@ -3303,7 +3282,7 @@ fi
 
 # Enable libmpx on supported systems by request.
 if test -d ${srcdir}/libmpx; then
-    if test x$enable_libmpx = xyes; then
+    if test x$enable_libmpx = x; then
        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libmpx support" >&5
 $as_echo_n "checking for libmpx support... " >&6; }
        if (srcdir=${srcdir}/libmpx; \
@@ -3317,8 +3296,6 @@ $as_echo "no" >&6; }
            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
        fi
-    else
-       noconfigdirs="$noconfigdirs target-libmpx"
     fi
 fi
 
@@ -3386,62 +3363,7 @@ case "${target}" in
     ;;
 esac
 
-# Disable Java if libffi is not supported.
-case "${target}" in
-  aarch64-*-*)
-    ;;
-  alpha*-*-*)
-    ;;
-  arm*-*-*)
-    ;;
-  cris-*-*)
-    ;;
-  frv-*-*)
-    ;;
-  hppa*-*-linux*)
-    ;;
-  hppa*-*-hpux*)
-    ;;
-  i?86-*-*)
-    ;;
-  ia64*-*-*)
-    ;;
-  m32r*-*-*)
-    ;;
-  m68k-*-*)
-    ;;
-  mips*-*-rtems*)
-    ;;
-  mips*-*-linux*)
-    ;;
-  powerpc*-*-linux*)
-    ;;
-  powerpc-*-darwin*)
-    ;;
-  powerpc-*-aix* | rs6000-*-aix*)
-    ;;
-  powerpc-*-freebsd*)
-    ;;
-  powerpc64-*-freebsd*)
-    ;;
-  powerpc*-*-rtems*)
-    ;;
-  s390-*-* | s390x-*-*)
-    ;;
-  sh-*-* | sh[34]*-*-*)
-    ;;
-  sh64-*-* | sh5*-*-*)
-    ;;
-  sparc*-*-*)
-    ;;
-  x86_64-*-*)
-    ;;
-  *-*-*)
-    unsupported_languages="$unsupported_languages java"
-    ;;
-esac
-
-# Disable Java, libgcj or related libraries for some systems.
+# Disable libffi for some systems.
 case "${target}" in
   powerpc-*-darwin*)
     ;;
@@ -3450,90 +3372,84 @@ case "${target}" in
   x86_64-*-darwin[912]*)
     ;;
   *-*-darwin*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   *-*-netware*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
+    ;;
+  *-*-phoenix*)
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   *-*-rtems*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   *-*-tpf*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   *-*-uclinux*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   *-*-vxworks*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
+    ;;
+  aarch64*-*-freebsd*)
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   alpha*-*-*vms*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   arm*-*-freebsd*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   arm-wince-pe)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   arm*-*-symbianelf*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
-    ;;
-  bfin-*-*)
-    noconfigdirs="$noconfigdirs target-boehm-gc"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   cris-*-* | crisv32-*-*)
-    unsupported_languages="$unsupported_languages java"
     case "${target}" in
       *-*-linux*)
 	;;
       *) # See PR46792 regarding target-libffi.
-	noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
+	noconfigdirs="$noconfigdirs target-libffi";;
     esac
     ;;
-  hppa*64*-*-linux*)
-    # In this case, it's because the hppa64-linux target is for
-    # the kernel only at this point and has no libc, and thus no
-    # headers, crt*.o, etc., all of which are needed by these.
-    unsupported_languages="$unsupported_languages java"
-    ;;
   hppa*64*-*-hpux*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   hppa*-hp-hpux11*)
     ;;
   hppa*-*-hpux*)
-    # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
-    # build on HP-UX 10.20.
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   ia64*-*-*vms*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   i[3456789]86-w64-mingw*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   i[3456789]86-*-mingw*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   x86_64-*-mingw*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   mmix-*-*)
-    noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   powerpc-*-aix*)
     # copied from rs6000-*-* entry
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   rs6000-*-aix*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   ft32-*-*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   *-*-lynxos*)
-    noconfigdirs="$noconfigdirs ${libgcj}"
+    noconfigdirs="$noconfigdirs target-libffi"
     ;;
 esac
 
@@ -3671,6 +3587,14 @@ esac
 case "${target}" in
   *-*-chorusos)
     ;;
+  aarch64-*-darwin*)
+    noconfigdirs="$noconfigdirs ld gas gdb gprof"
+    noconfigdirs="$noconfigdirs sim target-rda"
+    ;;
+  arm-*-darwin*)
+    noconfigdirs="$noconfigdirs ld gas gdb gprof"
+    noconfigdirs="$noconfigdirs sim target-rda"
+    ;;
   powerpc-*-darwin*)
     noconfigdirs="$noconfigdirs ld gas gdb gprof"
     noconfigdirs="$noconfigdirs sim target-rda"
@@ -3703,6 +3627,9 @@ case "${target}" in
     ;;
   *-*-netware*)
     ;;
+  *-*-phoenix*)
+    noconfigdirs="$noconfigdirs target-libgloss"
+    ;;
   *-*-rtems*)
     noconfigdirs="$noconfigdirs target-libgloss"
     # this is not caught below because this stanza matches earlier
@@ -3734,8 +3661,8 @@ case "${target}" in
   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
     noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
     ;;
-  arc-*-*|arceb-*-*)
-    noconfigdirs="$noconfigdirs target-libgloss"
+  arc*-*-*)
+    noconfigdirs="$noconfigdirs sim"
     ;;
   arm-*-pe*)
     noconfigdirs="$noconfigdirs target-libgloss"
@@ -3743,8 +3670,6 @@ case "${target}" in
   arm-*-riscix*)
     noconfigdirs="$noconfigdirs ld target-libgloss"
     ;;
-  avr-*-rtems*)
-    ;;
   avr-*-*)
     if test x${with_avrlibc} != xno; then
       noconfigdirs="$noconfigdirs target-newlib target-libgloss"
@@ -3913,17 +3838,13 @@ case "${target}" in
   mips*-*-*)
     noconfigdirs="$noconfigdirs gprof"
     ;;
-  nds32*-*-*)
-    noconfigdirs="$noconfigdirs gdb"
-    ;;
   nvptx*-*-*)
-    # nvptx is just a compiler
     noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
     ;;
   or1k*-*-*)
     noconfigdirs="$noconfigdirs gdb"
     ;;
-  sh-*-* | sh64-*-*)
+  sh-*-*)
     case "${target}" in
       sh*-*-elf)
          ;;
@@ -4019,7 +3940,6 @@ if test "${build}" != "${host}" ; then
   AS_FOR_BUILD=${AS_FOR_BUILD-as}
   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
   CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
-  GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
   GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
   GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
   DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
@@ -4033,7 +3953,6 @@ else
   AS_FOR_BUILD="\$(AS)"
   CC_FOR_BUILD="\$(CC)"
   CXX_FOR_BUILD="\$(CXX)"
-  GCJ_FOR_BUILD="\$(GCJ)"
   GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
   GOC_FOR_BUILD="\$(GOC)"
   DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
@@ -5354,7 +5273,7 @@ if test "${gcc_cv_prog_cmp_skip+set}" = set; then :
 else
    echo abfoo >t1
   echo cdfoo >t2
-  gcc_cv_prog_cmp_skip='tail +16c $$f1 > tmp-foo1; tail +16c $$f2 > tmp-foo2; cmp tmp-foo1 tmp-foo2'
+  gcc_cv_prog_cmp_skip='tail -c +17 $$f1 > tmp-foo1; tail -c +17 $$f2 > tmp-foo2; cmp tmp-foo1 tmp-foo2'
   if cmp t1 t2 2 2 > /dev/null 2>&1; then
     if cmp t1 t2 1 1 > /dev/null 2>&1; then
       :
@@ -5548,15 +5467,12 @@ if test "x$with_mpfr_lib" != x; then
 fi
 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
   # MPFR v3.1.0 moved the sources into a src sub-directory.
-  if test -d ${srcdir}/mpfr/src; then
-    gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
-    gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
-    extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
-  else
-    gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
-    gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
-    extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
+  if ! test -d ${srcdir}/mpfr/src; then
+    as_fn_error "Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+." "$LINENO" 5
   fi
+  gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
+  gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
+  extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
   # Do not test the mpfr 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
@@ -5849,20 +5765,6 @@ fi
 
 
 
-# Allow host libstdc++ to be specified for static linking with PPL.
-
-# Check whether --with-host-libstdcxx was given.
-if test "${with_host_libstdcxx+set}" = set; then :
-  withval=$with_host_libstdcxx;
-fi
-
-
-case $with_host_libstdcxx in
-  no|yes)
-    as_fn_error "-with-host-libstdcxx needs an argument" "$LINENO" 5
-    ;;
-esac
-
 # Libraries to use for stage1 or when not bootstrapping.
 
 # Check whether --with-stage1-libs was given.
@@ -5873,7 +5775,7 @@ if test "${with_stage1_libs+set}" = set; then :
    stage1_libs=$withval
  fi
 else
-  stage1_libs=$with_host_libstdcxx
+  stage1_libs=
 fi
 
 
@@ -5899,8 +5801,7 @@ fi
 
 
 
-# Libraries to use for stage2 and later builds.  This defaults to the
-# argument passed to --with-host-libstdcxx.
+# Libraries to use for stage2 and later builds.
 
 # Check whether --with-boot-libs was given.
 if test "${with_boot_libs+set}" = set; then :
@@ -5910,7 +5811,7 @@ if test "${with_boot_libs+set}" = set; then :
    poststage1_libs=$withval
  fi
 else
-  poststage1_libs=$with_host_libstdcxx
+  poststage1_libs=
 fi
 
 
@@ -5936,7 +5837,7 @@ fi
 
 
 
-# GCC GRAPHITE dependency ISL.
+# GCC GRAPHITE dependency isl.
 # Basic setup is inlined here, actual checks are in config/isl.m4
 
 
@@ -5949,7 +5850,7 @@ fi
 # Treat --without-isl as a request to disable
 # GRAPHITE support and skip all following checks.
 if test "x$with_isl" != "xno"; then
-  # Check for ISL
+  # Check for isl
 
 
 # Check whether --with-isl-include was given.
@@ -5996,8 +5897,8 @@ fi
     isllibs='-L$$r/$(HOST_SUBDIR)/isl/'"$lt_cv_objdir"' '
     islinc='-I$$r/$(HOST_SUBDIR)/isl/include -I$$s/isl/include'
     ENABLE_ISL_CHECK=no
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using in-tree ISL, disabling version check" >&5
-$as_echo "$as_me: WARNING: using in-tree ISL, disabling version check" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using in-tree isl, disabling version check" >&5
+$as_echo "$as_me: WARNING: using in-tree isl, disabling version check" >&2;}
   fi
 
   isllibs="${isllibs} -lisl"
@@ -6010,18 +5911,18 @@ $as_echo "$as_me: WARNING: using in-tree ISL, disabling version check" >&2;}
     _isl_saved_LIBS=$LIBS
 
     CFLAGS="${_isl_saved_CFLAGS} ${islinc} ${gmpinc}"
-    LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs}"
-    LIBS="${_isl_saved_LIBS} -lisl"
+    LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs} ${gmplibs}"
+    LIBS="${_isl_saved_LIBS} -lisl -lgmp"
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for compatible ISL" >&5
-$as_echo_n "checking for compatible ISL... " >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for isl 0.16, 0.15, or deprecated 0.14" >&5
+$as_echo_n "checking for isl 0.16, 0.15, or deprecated 0.14... " >&6; }
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <isl/val.h>
+#include <isl/ctx.h>
 int
 main ()
 {
-;
+isl_ctx_get_max_operations (isl_ctx_alloc ());
   ;
   return 0;
 }
@@ -6036,6 +5937,39 @@ rm -f core conftest.err conftest.$ac_objext \
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_isl" >&5
 $as_echo "$gcc_cv_isl" >&6; }
 
+    if test "${gcc_cv_isl}" = no ; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: recommended isl version is 0.16 or 0.15, the minimum required isl version 0.14 is deprecated" >&5
+$as_echo "recommended isl version is 0.16 or 0.15, the minimum required isl version 0.14 is deprecated" >&6; }
+    fi
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for isl 0.16 or 0.15" >&5
+$as_echo_n "checking for isl 0.16 or 0.15... " >&6; }
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <isl/schedule.h>
+int
+main ()
+{
+isl_options_set_schedule_serialize_sccs (NULL, 0);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_has_isl_options_set_schedule_serialize_sccs=yes
+else
+  ac_has_isl_options_set_schedule_serialize_sccs=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_has_isl_options_set_schedule_serialize_sccs" >&5
+$as_echo "$ac_has_isl_options_set_schedule_serialize_sccs" >&6; }
+
+    if test x"$ac_has_isl_options_set_schedule_serialize_sccs" = x"yes"; then
+      islver="0.15"
+
+    fi
+
     CFLAGS=$_isl_saved_CFLAGS
     LDFLAGS=$_isl_saved_LDFLAGS
     LIBS=$_isl_saved_LIBS
@@ -6067,13 +6001,13 @@ $as_echo "$gcc_cv_isl" >&6; }
     && test "x${isllibs}" = x \
     && test "x${islinc}" = x ; then
 
-    as_fn_error "Unable to find a usable ISL.  See config.log for details." "$LINENO" 5
+    as_fn_error "Unable to find a usable isl.  See config.log for details." "$LINENO" 5
   fi
 
 
 fi
 
-# If the ISL check failed, disable builds of in-tree variant of ISL
+# If the isl check failed, disable builds of in-tree variant of isl
 if test "x$with_isl" = xno ||
    test "x$gcc_cv_isl" = xno; then
   noconfigdirs="$noconfigdirs isl"
@@ -6115,7 +6049,7 @@ if test $target_elf = yes; then :
 else
   if test x"$default_enable_lto" = x"yes" ; then
     case $target in
-      *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
+      *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;;
       # On other non-ELF platforms, LTO has yet to be validated.
       *) enable_lto=no ;;
     esac
@@ -6126,7 +6060,7 @@ else
   # warn during gcc/ subconfigure; unless you're bootstrapping with
   # -flto it won't be needed until after installation anyway.
     case $target in
-      *-cygwin* | *-mingw* | *-apple-darwin*) ;;
+      *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
       *) if test x"$enable_lto" = x"yes"; then
 	as_fn_error "LTO support is not enabled for this target." "$LINENO" 5
         fi
@@ -6470,25 +6404,44 @@ done
 # Check for Boehm's garbage collector
 # Check whether --enable-objc-gc was given.
 if test "${enable_objc_gc+set}" = set; then :
-  enableval=$enable_objc_gc; case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
-  *,objc,*:*:yes:*target-boehm-gc*)
-    as_fn_error "Boehm's garbage collector was requested yet not supported in this configuration" "$LINENO" 5
-    ;;
-esac
+  enableval=$enable_objc_gc;
 fi
 
 
-# Make sure we only build Boehm's garbage collector if required.
-case ,${enable_languages},:${enable_objc_gc} in
-  *,objc,*:yes)
-    # Keep target-boehm-gc if requested for Objective-C.
-    ;;
-  *)
-    # Otherwise remove target-boehm-gc depending on target-libjava.
-    if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
-      noconfigdirs="$noconfigdirs target-boehm-gc"
+# Check whether --with-target-bdw-gc was given.
+if test "${with_target_bdw_gc+set}" = set; then :
+  withval=$with_target_bdw_gc;
+fi
+
+
+# Check whether --with-target-bdw-gc-include was given.
+if test "${with_target_bdw_gc_include+set}" = set; then :
+  withval=$with_target_bdw_gc_include;
+fi
+
+
+# Check whether --with-target-bdw-gc-lib was given.
+if test "${with_target_bdw_gc_lib+set}" = set; then :
+  withval=$with_target_bdw_gc_lib;
+fi
+
+
+case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for bdw garbage collector" >&5
+$as_echo_n "checking for bdw garbage collector... " >&6; }
+  if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: using bdw-gc in default locations" >&5
+$as_echo "using bdw-gc in default locations" >&6; }
+  else
+        if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
+      as_fn_error "found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing" "$LINENO" 5
+    elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
+      as_fn_error "found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing" "$LINENO" 5
+    else
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: using paths configured with --with-target-bdw-gc options" >&5
+$as_echo "using paths configured with --with-target-bdw-gc options" >&6; }
     fi
-    ;;
+  fi
 esac
 
 # Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
@@ -6575,15 +6528,6 @@ for i in ${target_configdirs_all} ; do
   fi
 done
 
-# Exclude target-zlib if target-libjava isn't built.
-case ${target_configdirs} in
-*target-libjava*)
-  ;;
-*)
-  target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`"
-  ;;
-esac
-
 # libiberty-linker-plugin is special: it doesn't have its own source directory,
 # so we have to add it after the preceding checks.
 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
@@ -7113,9 +7057,14 @@ if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
   bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
 fi
 
-# If we are building libmpx, bootstrap it.
+# If we are building libmpx and $BUILD_CONFIG contains bootstrap-mpx,
+# bootstrap it.
 if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
-  bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
+  case "$BUILD_CONFIG" in
+    *bootstrap-mpx* )
+      bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
+      ;;
+  esac
 fi
 
 # Determine whether gdb needs tk/tcl or not.
@@ -7668,7 +7617,6 @@ done
 
 
 
-
 # Generate default definitions for YACC, M4, LEX and other programs that run
 # on the build machine.  These are used if the Makefile can't locate these
 # programs in objdir.
@@ -10401,167 +10349,6 @@ fi
 
 
 
-if test -n "$GCJ_FOR_TARGET"; then
-  ac_cv_prog_GCJ_FOR_TARGET=$GCJ_FOR_TARGET
-elif test -n "$ac_cv_prog_GCJ_FOR_TARGET"; then
-  GCJ_FOR_TARGET=$ac_cv_prog_GCJ_FOR_TARGET
-fi
-
-if test -n "$ac_cv_prog_GCJ_FOR_TARGET"; then
-  for ncn_progname in gcj; do
-    # Extract the first word of "${ncn_progname}", so it can be a program name with args.
-set dummy ${ncn_progname}; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_GCJ_FOR_TARGET+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$GCJ_FOR_TARGET"; then
-  ac_cv_prog_GCJ_FOR_TARGET="$GCJ_FOR_TARGET" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_prog_GCJ_FOR_TARGET="${ncn_progname}"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-GCJ_FOR_TARGET=$ac_cv_prog_GCJ_FOR_TARGET
-if test -n "$GCJ_FOR_TARGET"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GCJ_FOR_TARGET" >&5
-$as_echo "$GCJ_FOR_TARGET" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-  done
-fi
-
-if test -z "$ac_cv_prog_GCJ_FOR_TARGET" && test -n "$with_build_time_tools"; then
-  for ncn_progname in gcj; do
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ncn_progname} in $with_build_time_tools" >&5
-$as_echo_n "checking for ${ncn_progname} in $with_build_time_tools... " >&6; }
-    if test -x $with_build_time_tools/${ncn_progname}; then
-      ac_cv_prog_GCJ_FOR_TARGET=$with_build_time_tools/${ncn_progname}
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-      break
-    else
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-    fi
-  done
-fi
-
-if test -z "$ac_cv_prog_GCJ_FOR_TARGET"; then
-  for ncn_progname in gcj; do
-    if test -n "$ncn_target_tool_prefix"; then
-      # Extract the first word of "${ncn_target_tool_prefix}${ncn_progname}", so it can be a program name with args.
-set dummy ${ncn_target_tool_prefix}${ncn_progname}; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_GCJ_FOR_TARGET+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$GCJ_FOR_TARGET"; then
-  ac_cv_prog_GCJ_FOR_TARGET="$GCJ_FOR_TARGET" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_prog_GCJ_FOR_TARGET="${ncn_target_tool_prefix}${ncn_progname}"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-GCJ_FOR_TARGET=$ac_cv_prog_GCJ_FOR_TARGET
-if test -n "$GCJ_FOR_TARGET"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GCJ_FOR_TARGET" >&5
-$as_echo "$GCJ_FOR_TARGET" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-    fi
-    if test -z "$ac_cv_prog_GCJ_FOR_TARGET" && test $build = $target ; then
-      # Extract the first word of "${ncn_progname}", so it can be a program name with args.
-set dummy ${ncn_progname}; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_GCJ_FOR_TARGET+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$GCJ_FOR_TARGET"; then
-  ac_cv_prog_GCJ_FOR_TARGET="$GCJ_FOR_TARGET" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_prog_GCJ_FOR_TARGET="${ncn_progname}"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-GCJ_FOR_TARGET=$ac_cv_prog_GCJ_FOR_TARGET
-if test -n "$GCJ_FOR_TARGET"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GCJ_FOR_TARGET" >&5
-$as_echo "$GCJ_FOR_TARGET" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-    fi
-    test -n "$ac_cv_prog_GCJ_FOR_TARGET" && break
-  done
-fi
-
-if test -z "$ac_cv_prog_GCJ_FOR_TARGET" ; then
-  set dummy gcj
-  if test $build = $target ; then
-    GCJ_FOR_TARGET="$2"
-  else
-    GCJ_FOR_TARGET="${ncn_target_tool_prefix}$2"
-  fi
-else
-  GCJ_FOR_TARGET="$ac_cv_prog_GCJ_FOR_TARGET"
-fi
-
-
-
 if test -n "$GFORTRAN_FOR_TARGET"; then
   ac_cv_prog_GFORTRAN_FOR_TARGET=$GFORTRAN_FOR_TARGET
 elif test -n "$ac_cv_prog_GFORTRAN_FOR_TARGET"; then
@@ -14190,51 +13977,6 @@ $as_echo "pre-installed" >&6; }
   fi
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking where to find the target gcj" >&5
-$as_echo_n "checking where to find the target gcj... " >&6; }
-if test "x${build}" != "x${host}" ; then
-  if expr "x$GCJ_FOR_TARGET" : "x/" > /dev/null; then
-    # We already found the complete path
-    ac_dir=`dirname $GCJ_FOR_TARGET`
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: pre-installed in $ac_dir" >&5
-$as_echo "pre-installed in $ac_dir" >&6; }
-  else
-    # Canadian cross, just use what we found
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: pre-installed" >&5
-$as_echo "pre-installed" >&6; }
-  fi
-else
-  ok=yes
-  case " ${configdirs} " in
-    *" gcc "*) ;;
-    *) ok=no ;;
-  esac
-  case ,${enable_languages}, in
-    *,java,*) ;;
-    *) ok=no ;;
-  esac
-  if test $ok = yes; then
-    # An in-tree tool is available and we can use it
-    GCJ_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/'
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: just compiled" >&5
-$as_echo "just compiled" >&6; }
-  elif expr "x$GCJ_FOR_TARGET" : "x/" > /dev/null; then
-    # We already found the complete path
-    ac_dir=`dirname $GCJ_FOR_TARGET`
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: pre-installed in $ac_dir" >&5
-$as_echo "pre-installed in $ac_dir" >&6; }
-  elif test "x$target" = "x$host"; then
-    # We can use an host tool
-    GCJ_FOR_TARGET='$(GCJ)'
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: host tool" >&5
-$as_echo "host tool" >&6; }
-  else
-    # We need a cross tool
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: pre-installed" >&5
-$as_echo "pre-installed" >&6; }
-  fi
-fi
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking where to find the target gfortran" >&5
 $as_echo_n "checking where to find the target gfortran... " >&6; }
 if test "x${build}" != "x${host}" ; then
@@ -14809,16 +14551,17 @@ else
   # For --disable-checking or implicit --enable-checking=release, avoid
   # setting --enable-checking=gc in the default stage1 checking for LTO
   # bootstraps.  See PR62077.
-  stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types
   case $BUILD_CONFIG in
     *lto*)
-      if test "x$enable_checking" = x && \
-	 test -d ${srcdir}/gcc && \
-	 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
-	stage1_checking=--enable-checking=yes,types
-      fi;;
-    *) stage1_checking=--enable-checking=yes,types;;
+      stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
+    *)
+      stage1_checking=--enable-checking=yes,types;;
   esac
+  if test "x$enable_checking" = x && \
+     test -d ${srcdir}/gcc && \
+     test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
+    stage1_checking=--enable-checking=yes,types,extra
+  fi
 else
   stage1_checking=--enable-checking=$enable_checking,types
 fi