From: "Dmitry V. Levin" <ldv@altlinux.org>
To: ALT Devel discussion list <devel@altlinux.ru>
Subject: Re: [devel] Re: Fresh automake, GCC?
Date: Tue, 28 Dec 2004 16:09:54 +0300
Message-ID: <20041228130954.GA9665@basalt.office.altlinux.org> (raw)
In-Reply-To: <20041224203258.GA3373@solemn.turbinal.org>
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On Fri, Dec 24, 2004 at 11:32:59PM +0300, Alexey Tourbin wrote:
> On Fri, Dec 24, 2004 at 05:43:38PM +0300, Dmitry V. Levin wrote:
> > > К щастью, мы не первопроходцы. Патчи можно стянуть у мандраки или
> > > где-нибудь ещё.
> >
> > Как всегда, за основу сборки gcc лучше брать JJ'шный пакет.
> > В случае с automake традиционных авторитетов нет, надо смотреть всё, что
> > уже есть.
> >
> > > Так что если влом, лучше так и писать: влом.
> >
> > Если бы всё было так просто. :)
>
> По поводу gcc -- давай upper bound, сколько пакетов сломается.
Вот некоторые изменения, которые которые могут вызвать проблемы:
GCC 3.4 automatically places zero-initialized variables in the .bss
section on some operating systems. Versions of GNU Emacs up to (and
including) 21.3 will not work correctly when using this optimization;
you can use -fno-zero-initialized-in-bss to disable it.
If GCC 3.4 is configured with --enable-threads=posix (the default on
most targets that support pthreads) then _REENTRANT will be defined
unconditionally by some libstdc++ headers. C++ code which relies on that
macro to detect whether multi-threaded code is being compiled might change
in meaning, possibly resulting in linker errors for single-threaded
programs. Affected users of Boost should compile single-threaded
code with -DBOOST_DISABLE_THREADS. See Bugzilla for more information:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11953
The C++ ABI Section 3.3.3 specifications for the array construction
routines __cxa_vec_new2 and __cxa_vec_new3 were changed to return NULL
when the allocator argument returns NULL. These changes are incorporated
into the libstdc++ runtime library.
--
ldv
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next prev parent reply other threads:[~2004-12-28 13:09 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-15 23:29 [devel] " Mikhail Zabaluev
2004-12-16 1:12 ` Dmitry V. Levin
2004-12-16 5:50 ` Alexey I. Froloff
2004-12-16 11:36 ` Mikhail Zabaluev
2004-12-16 12:01 ` Dmitry V. Levin
2004-12-24 12:55 ` Dmitry V. Levin
2004-12-24 14:30 ` [devel] " Alexey Tourbin
2004-12-24 14:43 ` Dmitry V. Levin
2004-12-24 20:32 ` Alexey Tourbin
2004-12-25 22:47 ` Dmitry V. Levin
2004-12-26 7:00 ` [devel][JT] " Andrey Rahmatullin
2004-12-28 13:09 ` Dmitry V. Levin [this message]
2004-12-24 22:40 ` [devel] " Mikhail Zabaluev
2004-12-25 21:42 ` Dmitry V. Levin
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