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Date: Mon, 08 Aug 2016 20:41:56 +0800
From: JonY <10walls AT gmail DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: [ANNOUNCEMENT] Updated: mingw64-*-gcc-5.4.0-1 (x86/x86_64) (Testing)
References: <announce DOT 57A51E0B DOT 4080204 AT gmail DOT com> <ab53c484-71e5-404d-2b78-3cce330753e8 AT cygwin DOT com>
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On 8/8/2016 07:48, Yaakov Selkowitz wrote:
> On 2016-08-05 18:15, JonY wrote:
>> I have just updated the mingw-w64 cross compilers Cygwin 32bit and 64bit.
>>
>> This version is considered testing and has --enable-vtable-verify set.
>> I'd consider moving it to stable if it can build non-trivial C++
>> applications.
>=20
> I had no issues compiling a few different projects with this release,
> however enabling this configure flag means that linking C++ with -static
> does not work because libstdc++.a then requires VTV symbols.  Also, note
> that neither Fedora's nor (AFAICS) Debian's native gcc enable this
> feature, so I don't know how much exposure it has received yet.
>=20
> I would recommend rebuilding a 5.4.0-2 without this configure flag, and
> releasing it as stable.
>=20
>> =3D=3D=3D=3D PLEASE RECOMPILE ALL YOUR C++ CODE FOR ABI COMPATIBILITY =
=3D=3D=3D=3D
>=20
> Until this is stable and mingw-based C++ packages have been recompiled,
> -D_GLIBCXX_USE_CXX11_ABI=3D0 can be used as a workaround.
>=20

OK then, I'll redo the build without the vtable-verify flag.


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