Re: [v3] PR 53270 fix hppa-linux bootstrap regression

[Jonathan Wakely <jwakely dot gcc at gmail dot com>]

Here's a simpler solution for the 4.6 branch, which is a bit hacky but
only affects hppa-linux with LinuxThreads in C++0x mode.

        PR libstdc++/53270
        * acinclude.m4 (GLIBCXX_GTHREADS_CXX11_COPY_ASSIGN): Define.
        * configure.ac (GLIBCXX_GTHREADS_CXX11_COPY_ASSIGN): Use it.
        * config.h.in: Regenerate.
        * configure: Likewise.
        * include/ext/concurrence.h (__copy_gthr_type): Define.
        (__mutex::__mutex, __recursive_mutex::__recursive_mutex,
        __cond::__cond): Use it.
        * include/ext/rope (__copy_gthr_mutex): Define.
        (_Refcount_Base::_Refcount_Base, _Rope_RopeRep::_Rope_RopeRep): Use
        it.
        * src/condition_variable.cc (condition_variable::condition_variable):
        Use memcpy instead of assignment.

Tested x86_64-linux, hppa-linux, powerpc64-linux, x86_64-netbsd,
committed to the 4.6 branch, and I can finally close the PR as fixed.

Attachment: patch.txt
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