CXXSTD=c++11

[Bryan Drewery]

On 3/24/2016 3:44 PM, Dimitry Andric wrote:
> On 24 Mar 2016, at 23:36, Bryan Drewery <bdrewery at FreeBSD.org> wrote:
>>
>> Is there any problem with forcing -std=c++11 for all CXX/LIB_CXX builds
>> now?  We do this when using an external GCC since it doesn't default to
>> the c++11 standard quite yet.  As far as I understand, we require c++11
>> to build clang/libc++.
> 
> Yes, but it already passes -std=c++11 in the correct places, as far as I
> know.  E.g. during the clang and libc++ builds.
> 
> 
>> It seems to be the problem at
>> https://lists.freebsd.org/pipermail/freebsd-toolchain/2015-October/001757.html
>> which I've fixed in an upcoming commit to properly pass -std=c++11 to
>> the lib32 build in CXXFLAGS.
> 
> Hm, is this occuring during the build of libcxxrt, or of libc++?  If it
> is the former, then it seems that the system headers don't properly
> declare _Static_assert() in that case.  I have no clue as to why, though
> maybe it's picking something up from gcc's famously "fixed" standard
> headers?
> 

libcxxrt.

My fix also includes passing the proper -isystem =/usr/include/c++/v1 path.

I'll try without the -std change.


-- 
Regards,
Bryan Drewery

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