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Date: Thu, 6 Nov 2014 16:05:12 +0100 (CET)
From: Gerald Pfeifer <gerald@pfeifer.com>
To: Bryan Drewery <bdrewery@FreeBSD.org>
Subject: Re: svn commit: r372094 - head/lang/gcc5
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On Wednesday 2014-11-05 17:04, Bryan Drewery wrote:
>> Log:
>>    Update to the 20141102 snapshot of GCC 5.0.
> Fails to build for me on 10.0 amd64:

I actually am using 10.1 as my primary test environment with nightly 
builds and did not see the problem there.

Until a day ago (a day or two after that machine was updated to 
10.1-PRERELEASE, not sure that is related).

>> In file included from .././../gcc-5-20141102/libcc1/plugin.cc:58:
>> In file included from /usr/include/c++/v1/string:433:
>> In file included from /usr/include/c++/v1/cwchar:107:
>> In file included from /usr/include/c++/v1/cwctype:54:
>> /usr/include/c++/v1/cctype:51:72: error: use of undeclared identifier
>> 'do_not_use_isalnum_with_safe_ctype'
>> inline _LIBCPP_INLINE_VISIBILITY int __libcpp_isalnum(int __c) {return
>> isalnum(__c);}

Does anyone know where this comes from and what do to about it?

What I am seeing may well be a regression upstream, though that
does not explain why my testing succeeded when I updated lang/gcc.

Gerald