Remove --with-host-libstdcxx

2015-08-12  Tom de Vries  <tom@codesourcery.com>

	PR other/67092
	PR other/67098
	* configure.ac: Remove --with_host_libstdcxx support.
	* configure: Regenerate.

	* doc/install.texi: Remove --with_host_libstdcxx item.  Update
	--with-stage1-libs, --with-boot-ldflags and --with-boot-libs items
	accordingly.  Mention default for --with-stage1-ldflags.

From-SVN: r226819

ChangeLog

@@ -1,3 +1,9 @@
+2015-08-12  Tom de Vries  <tom@codesourcery.com>
+
+	PR other/67092
+	* configure.ac: Remove --with_host_libstdcxx support.
+	* configure: Regenerate.
+
 2015-08-10  Thomas Schwinge  <thomas@codesourcery.com>
 	    Jakub Jelinek  <jakub@redhat.com>
 

configure

@@ -772,7 +772,6 @@ with_gmp_dir
 with_gmp
 with_gmp_include
 with_gmp_lib
-with_host_libstdcxx
 with_stage1_libs
 with_stage1_ldflags
 with_boot_libs
@@ -1540,8 +1539,6 @@ 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
@@ -5849,20 +5846,6 @@ 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 +5856,7 @@ if test "${with_stage1_libs+set}" = set; then :
    stage1_libs=$withval
  fi
 else
-  stage1_libs=$with_host_libstdcxx
+  stage1_libs=
 fi
 
 
@@ -5899,8 +5882,7 @@ fi
 
 
 
-# Libraries to use for stage2 and later builds.  This defaults to the
+# Libraries to use for stage2 and later builds.
-# argument passed to --with-host-libstdcxx.
 
 # Check whether --with-boot-libs was given.
 if test "${with_boot_libs+set}" = set; then :
@@ -5910,7 +5892,7 @@ if test "${with_boot_libs+set}" = set; then :
    poststage1_libs=$withval
  fi
 else
-  poststage1_libs=$with_host_libstdcxx
+  poststage1_libs=
 fi
 
 

configure.ac

@@ -1697,18 +1697,6 @@ AC_SUBST(extra_mpc_gmp_configure_flags)
 AC_SUBST(extra_mpc_mpfr_configure_flags)
 AC_SUBST(extra_isl_gmp_configure_flags)
 
-# Allow host libstdc++ to be specified for static linking with PPL.
-AC_ARG_WITH(host-libstdcxx,
-[AS_HELP_STRING([--with-host-libstdcxx=L],
-		[use linker arguments L to link with libstdc++
-		 when linking with PPL])])
-
-case $with_host_libstdcxx in
-  no|yes)
-    AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
-    ;;
-esac
-
 # Libraries to use for stage1 or when not bootstrapping.
 AC_ARG_WITH(stage1-libs,
 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
@@ -1717,7 +1705,7 @@ AC_ARG_WITH(stage1-libs,
  else
    stage1_libs=$withval
  fi],
-[stage1_libs=$with_host_libstdcxx])
+[stage1_libs=])
 AC_SUBST(stage1_libs)
 
 # Linker flags to use for stage1 or when not bootstrapping.
@@ -1737,8 +1725,7 @@ AC_ARG_WITH(stage1-ldflags,
  fi])
 AC_SUBST(stage1_ldflags)
 
-# Libraries to use for stage2 and later builds.  This defaults to the
+# Libraries to use for stage2 and later builds.
-# argument passed to --with-host-libstdcxx.
 AC_ARG_WITH(boot-libs,
 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
 [if test "$withval" = "no" -o "$withval" = "yes"; then
@@ -1746,7 +1733,7 @@ AC_ARG_WITH(boot-libs,
  else
    poststage1_libs=$withval
  fi],
-[poststage1_libs=$with_host_libstdcxx])
+[poststage1_libs=])
 AC_SUBST(poststage1_libs)
 
 # Linker flags to use for stage2 and later builds.

gcc/ChangeLog

@@ -1,3 +1,11 @@
+2015-08-12  Tom de Vries  <tom@codesourcery.com>
+
+	PR other/67092
+	PR other/67098
+	* doc/install.texi: Remove --with_host_libstdcxx item.  Update
+	--with-stage1-libs, --with-boot-ldflags and --with-boot-libs items
+	accordingly.  Mention default for --with-stage1-ldflags.
+
 2015-08-12  Matthew Wahab  <matthew.wahab@arm.com>
 
 	* config/arm/arm.h (arm_fpu_feature_set): New.

gcc/doc/install.texi

@@ -1853,36 +1853,27 @@ include and lib options directly.
 These flags are applicable to the host platform only.  When building
 a cross compiler, they will not be used to configure target libraries.
 
-@item --with-host-libstdcxx=@var{linker-args}
-If you are linking with a static copy of PPL, you can use this option
-to specify how the linker should find the standard C++ library used
-internally by PPL.  Typical values of @var{linker-args} might be
-@samp{-lstdc++} or @samp{-Wl,-Bstatic,-lstdc++,-Bdynamic -lm}.  If you are
-linking with a shared copy of PPL, you probably do not need this
-option; shared library dependencies will cause the linker to search
-for the standard C++ library automatically.
-
 @item --with-stage1-ldflags=@var{flags}
 This option may be used to set linker flags to be used when linking
 stage 1 of GCC.  These are also used when linking GCC if configured with
-@option{--disable-bootstrap}.  By default no special flags are used.
+@option{--disable-bootstrap}.  If @option{–with-stage1-libs} is not set to a
+value, then the default is @samp{-static-libstdc++ -static-libgcc}, if
+supported.
 
 @item --with-stage1-libs=@var{libs}
 This option may be used to set libraries to be used when linking stage 1
 of GCC.  These are also used when linking GCC if configured with
-@option{--disable-bootstrap}.  The default is the argument to
+@option{--disable-bootstrap}.
-@option{--with-host-libstdcxx}, if specified.
 
 @item --with-boot-ldflags=@var{flags}
 This option may be used to set linker flags to be used when linking
-stage 2 and later when bootstrapping GCC.  If neither --with-boot-libs
+stage 2 and later when bootstrapping GCC.  If --with-boot-libs
-nor --with-host-libstdcxx is set to a value, then the default is
+is not is set to a value, then the default is
 @samp{-static-libstdc++ -static-libgcc}.
 
 @item --with-boot-libs=@var{libs}
 This option may be used to set libraries to be used when linking stage 2
-and later when bootstrapping GCC.  The default is the argument to
+and later when bootstrapping GCC.
-@option{--with-host-libstdcxx}, if specified.
 
 @item --with-debug-prefix-map=@var{map}
 Convert source directory names using @option{-fdebug-prefix-map} when