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acinclude.m4 (GLIBCXX_ENABLE_HOSTED): #define _GLIBCXX_HOSTED appropriately.
2003-09-02 Phil Edwards <phil@codesourcery.com> * acinclude.m4 (GLIBCXX_ENABLE_HOSTED): #define _GLIBCXX_HOSTED appropriately. * config.h.in: Add _GLIBCXX_HOSTED. * libsupc++/eh_term_handler.cc: Test it here; initialize __terminate_handler to std::abort if freestanding. * aclocal.m4, configure: Regenerated. * docs/html/configopts.html: Document --disable-hosted-libstdcxx. From-SVN: r71001
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Phil Edwards
Phil Edwards
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@ -1,3 +1,13 @@
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2003-09-02 Phil Edwards <phil@codesourcery.com>
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* acinclude.m4 (GLIBCXX_ENABLE_HOSTED): #define _GLIBCXX_HOSTED
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appropriately.
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* config.h.in: Add _GLIBCXX_HOSTED.
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* libsupc++/eh_term_handler.cc: Test it here; initialize
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__terminate_handler to std::abort if freestanding.
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* aclocal.m4, configure: Regenerated.
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* docs/html/configopts.html: Document --disable-hosted-libstdcxx.
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2003-08-29 Nathan Myers <ncm@cantrip.org>
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PR libstdc++/11990
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@ -1276,6 +1276,9 @@ dnl
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dnl Sets:
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dnl is_hosted (yes/no)
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dnl
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dnl Defines:
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dnl _GLIBCXX_HOSTED (always defined, either to 1 or 0)
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dnl
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AC_DEFUN(GLIBCXX_ENABLE_HOSTED, [
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AC_ARG_ENABLE([hosted-libstdcxx],
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AC_HELP_STRING([--disable-hosted-libstdcxx],
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@ -1284,12 +1287,16 @@ AC_DEFUN(GLIBCXX_ENABLE_HOSTED, [
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if test "$enable_hosted_libstdcxx" = no; then
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AC_MSG_NOTICE([Only freestanding libraries will be built])
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is_hosted=no
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hosted_define=0
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enable_abi_check=no
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enable_libstdcxx_pch=no
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else
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is_hosted=yes
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hosted_define=1
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fi
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GLIBCXX_CONDITIONAL(GLIBCXX_HOSTED, test $is_hosted = yes)
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AC_DEFINE_UNQUOTED(_GLIBCXX_HOSTED, $hosted_define,
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[Define to 1 if a full hosted library is built, or 0 if freestanding.])
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])
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7
libstdc++-v3/aclocal.m4
vendored
7
libstdc++-v3/aclocal.m4
vendored
@ -1289,6 +1289,9 @@ dnl
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dnl Sets:
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dnl is_hosted (yes/no)
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dnl
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dnl Defines:
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dnl _GLIBCXX_HOSTED (always defined, either to 1 or 0)
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dnl
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AC_DEFUN(GLIBCXX_ENABLE_HOSTED, [
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AC_ARG_ENABLE([hosted-libstdcxx],
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AC_HELP_STRING([--disable-hosted-libstdcxx],
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@ -1297,12 +1300,16 @@ AC_DEFUN(GLIBCXX_ENABLE_HOSTED, [
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if test "$enable_hosted_libstdcxx" = no; then
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AC_MSG_NOTICE([Only freestanding libraries will be built])
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is_hosted=no
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hosted_define=0
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enable_abi_check=no
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enable_libstdcxx_pch=no
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else
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is_hosted=yes
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hosted_define=1
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fi
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GLIBCXX_CONDITIONAL(GLIBCXX_HOSTED, test $is_hosted = yes)
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AC_DEFINE_UNQUOTED(_GLIBCXX_HOSTED, $hosted_define,
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[Define to 1 if a full hosted library is built, or 0 if freestanding.])
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])
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@ -878,6 +878,9 @@
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/* Define to 1 if you have the ANSI C header files. */
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#undef STDC_HEADERS
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/* Define to 1 if a full hosted library is built, or 0 if freestanding. */
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#undef _GLIBCXX_HOSTED
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/* Define if the compiler is configured for setjmp/longjmp exceptions. */
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#undef _GLIBCXX_SJLJ_EXCEPTIONS
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//
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9
libstdc++-v3/configure
vendored
9
libstdc++-v3/configure
vendored
@ -4819,13 +4819,20 @@ fi;
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{ echo "$as_me:$LINENO: Only freestanding libraries will be built" >&5
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echo "$as_me: Only freestanding libraries will be built" >&6;}
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is_hosted=no
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hosted_define=0
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enable_abi_check=no
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enable_libstdcxx_pch=no
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else
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is_hosted=yes
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hosted_define=1
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fi
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cat >>confdefs.h <<_ACEOF
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#define _GLIBCXX_HOSTED $hosted_define
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_ACEOF
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# Check for support bits and g++ features that don't require linking.
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@ -4862,7 +4869,7 @@ fi;
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#
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# Fake what AC_TRY_COMPILE does. XXX Look at redoing this new-style.
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cat > conftest.$ac_ext << EOF
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#line 4865 "configure"
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#line 4872 "configure"
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struct S { ~S(); };
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void bar();
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void foo()
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@ -146,7 +146,7 @@ options</a></h1>
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<dt><code>--enable-libstdcxx-debug </code></dt>
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<dd><p>Build separate debug libraries in addition to what is normally built.
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By default, the debug libraries are compiled with
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By default, the debug libraries are compiled with
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<code> CXXFLAGS='-g3 -O0'</code>
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, are installed in <code>${libdir}/debug</code>, and have the
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same names and versioning information as the non-debug
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@ -273,6 +273,14 @@ options</a></h1>
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testsuite.
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</p>
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</dd>
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<dt><code>--disable-hosted-libstdcxx </code></dt>
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<dd><p>By default, a complete <em>hosted</em> C++ library is built. The
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C++ Standard also describes a <em>freestanding</em> environment,
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in which only a minimal set of headers are provided. This option
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builds such an environment.
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</p>
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</dd>
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</dl>
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<p>Return <a href="#top">to the top of the page</a> or
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<a href="http://gcc.gnu.org/libstdc++/">to the libstdc++ homepage</a>.
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@ -1,5 +1,5 @@
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// -*- C++ -*- std::terminate handler
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// Copyright (C) 2002 Free Software Foundation
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// Copyright (C) 2002, 2003 Free Software Foundation
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//
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// This file is part of GCC.
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//
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@ -28,14 +28,24 @@
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// the GNU General Public License.
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#include "unwind-cxx.h"
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#include <bits/c++config.h>
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/* We default to the talkative, informative handler. This pulls in the
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demangler, the dyn-string utilities, and elements of the I/O library.
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For a low-memory environment, you can return to the earlier "silent death"
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handler by including <cstdlib>, initializg to "std::abort", and rebuilding
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the library. */
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/* We default to the talkative, informative handler in a normal hosted
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library. This pulls in the demangler, the dyn-string utilities, and
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elements of the I/O library. For a low-memory environment, you can return
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to the earlier "silent death" handler by including <cstdlib>, initializing
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to "std::abort", and rebuilding the library. In a freestanding mode, we
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default to this latter approach. */
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#if ! _GLIBCXX_HOSTED
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# include <cstdlib>
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#endif
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/* The current installed user handler. */
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std::terminate_handler __cxxabiv1::__terminate_handler =
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__gnu_cxx::__verbose_terminate_handler;
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#if _GLIBCXX_HOSTED
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__gnu_cxx::__verbose_terminate_handler;
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#else
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std::abort;
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#endif
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