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Re: RFA: libtool.m4

From: JonY
Subject: Re: RFA: libtool.m4
Date: Tue, 28 Jul 2009 20:55:57 +0800
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: Gecko/20080213 Thunderbird/ Mnenhy/

On 6/19/2009 17:01, Kai Tietz wrote:
2009/5/15 Ralf Wildenhues<address@hidden>:
Hello Kai,

* Kai Tietz wrote on Fri, May 15, 2009 at 09:46:49AM CEST:
2009/5/1 Charles Wilson:
Cross-compilation environments involving windows variants (mingw32,
64bit mingw, cygwin, etc) and libtool are a little flaky at the moment.
I've had a number of patches to address (some of) this but they've been
unreviewed for almost six months.  If we can get the ball rolling on
that, they *should* be easy to extend to 64bit mingw by someone with
access to a w64 system.

as JonY said, we have x64 windows machines and we are willing to test
your patches. Could you provide to us a link to your patches, so we
could verify for you. We can back post then the result of the test to
this ML or to you directly.

Ralf, is this a way for you?

Surely feedback is helpful.

I'm not sure whether it's clear to y'all here, but quite a big part of
the concerns over the code in the pr-msvc-support branch is not just
about regressions for other w32-related systems, but also for completely
w32 unrelated systems.  Admittedly I don't remember whether that was the
case for the patches Charles mentioned.


Hi Ralf,

it would be good to see those patches and possible a mark to those
concerns. I would be real happy if we finally could make those patches
for libtool, so that for gcc the w64 can build shared libstdc++
version. There are bugs within none-shared libstdc++ in string class
(reasoned by lazy initialization IIUC), which can be solved by the
shared version.


I've just tested with git master and it works correctly for both win32 and win64, thanks a bunch guys.

By the way, any idea when will this fix make it into GCC trunk?

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