Hi,
this patch removes configure option --with-host-libstdcxx.
[ As suggested here (
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67092#c13 ):
...
I think we can no longer reliably support host libstdc++ as includes are
not picked up from its location and GCC is C++ now.
I suggest to remove that entirely.
...
]
The option was originally introduced to support linking with a static
version of ppl, but we no longer support using ppl.
The behaviour of --with-host-libstdcxx is implemented in terms of other
configure options, so we're not losing any functionality.
Furthermore, the patch adds the missing documentation of the default
behaviour of --with-stage1-ldflags.
Bootstrapped and reg-tested on x86_64.
OK for trunk?
Thanks,
- Tom
Remove --with-host-libstdcxx
2015-08-12 Tom de Vries <t...@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.
* configure.ac: Remove --with_host_libstdcxx support.
* configure: Regenerate.
---
configure | 24 +++---------------------
configure.ac | 19 +++----------------
gcc/doc/install.texi | 23 +++++++----------------
3 files changed, 13 insertions(+), 53 deletions(-)
diff --git a/configure b/configure
index 79257fd..eca5e6f 100755
--- a/configure
+++ b/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=$with_host_libstdcxx
+ stage1_libs=
fi
@@ -5899,8 +5882,7 @@ fi
-# Libraries to use for stage2 and later builds. This defaults to the
-# argument passed to --with-host-libstdcxx.
+# Libraries to use for stage2 and later builds.
# Check whether --with-boot-libs was given.
if test "${with_boot_libs+set}" = set; then :
@@ -5910,7 +5892,7 @@ if test "${with_boot_libs+set}" = set; then :
poststage1_libs=$withval
fi
else
- poststage1_libs=$with_host_libstdcxx
+ poststage1_libs=
fi
diff --git a/configure.ac b/configure.ac
index 452fc05..9241261 100644
--- a/configure.ac
+++ b/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=$with_host_libstdcxx])
+[stage1_libs=])
AC_SUBST(stage1_libs)
# Linker flags to use for stage1 or when not bootstrapping.
@@ -1737,8 +1725,7 @@ AC_ARG_WITH(stage1-ldflags,
fi])
AC_SUBST(stage1_ldflags)
-# Libraries to use for stage2 and later builds. This defaults to the
-# argument passed to --with-host-libstdcxx.
+# Libraries to use for stage2 and later builds.
AC_ARG_WITH(boot-libs,
[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
[if test "$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.
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index 0e3093f..360b066 100644
--- a/gcc/doc/install.texi
+++ b/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{âwith-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{--with-host-libstdcxx}, if specified.
+@option{--disable-bootstrap}.
@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
-nor --with-host-libstdcxx is set to a value, then the default is
+stage 2 and later when bootstrapping GCC. If --with-boot-libs
+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
-@option{--with-host-libstdcxx}, if specified.
+and later when bootstrapping GCC.
@item --with-debug-prefix-map=@var{map}
Convert source directory names using @option{-fdebug-prefix-map} when
--
1.9.1
