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PR 43852: new configure option --disable-libstdcxx-verbose

From: Jonathan Wakely <jwakely dot gcc at gmail dot com>
To: "libstdc++" <libstdc++ at gcc dot gnu dot org>, gcc-patches <gcc-patches at gcc dot gnu dot org>
Date: Mon, 27 Aug 2012 18:15:46 +0100
Subject: PR 43852: new configure option --disable-libstdcxx-verbose

Unless anyone has objections I'm going to commit this to trunk,
implementing Sebastian's idea to disable the verbose terminate handler
and the "pure virtual function called" message, which write to stderr
when a process terminates. This allows embedded systems to avoid
pulling in the demangler and I/O code, reducing the footprint of
libstdc++.

2012-08-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
            Jonathan Wakely  <jwakely.gcc@gmail.com>

        * acinclude.m4 (GLIBCXX_ENABLE_VERBOSE): Define.
        * configure.ac (GLIBCXX_ENABLE_VERBOSE): Use it.
        * config.h.in: Regenerate.
        * configure: Likewise.
        * libsupc++/eh_term_handler.cc (_GLIBCXX_VERBOSE): Check new macro.
        * libsupc++/pure.cc (_GLIBCXX_VERBOSE): Likewise.
        * doc/xml/manual/configure.xml (--disable-libstdcxx-verbose): Document.
        * doc/html/manual/configure.html: Regenerate.

Tested on x86_64-linux.

Attachment: patch.txt
Description: Text document

Follow-Ups:
- Re: PR 43852: new configure option --disable-libstdcxx-verbose
  - From: Mike Stump

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