Re: [boost] Fwd: [clang] clang-cl expansion of macros

Subject: Re: [boost] Fwd: [clang] clang-cl expansion of macros
From: Peter Dimov (lists_at_[hidden])
Date: 2017-04-30 13:59:26

degski wrote:

> I'm also just using (a.o.) the clang that ships with 2017. I don't get 
> it...

I checked the master branch, works.

Then checked a downloaded 1_64_0, fails:

1>------ Build started: Project: testbed2017, Configuration: Debug 
Win32 ------
1>testbed2017.cpp
1>In file included from testbed2017.cpp:1:
1>In file included from D:/boost_1_64_0\boost/filesystem.hpp:16:
1>In file included from D:/boost_1_64_0\boost/filesystem/path.hpp:28:
1>In file included from 
D:/boost_1_64_0\boost/iterator/iterator_facade.hpp:12:
1>In file included from D:/boost_1_64_0\boost/iterator/interoperable.hpp:11:
1>In file included from D:/boost_1_64_0\boost/mpl/or.hpp:43:
1>In file included from 
D:/boost_1_64_0\boost/mpl/aux_/include_preprocessed.hpp:37:
1>D:/boost_1_64_0\boost/mpl/aux_/preprocessed/gcc/or.hpp(63,1): error : 
pasting formed 'BOOST_PP_TUPLE_ELEM_O_3(', an invalid preprocessing token 
[-Winvalid-token-paste]
1>BOOST_MPL_AUX_NA_SPEC2(
1>^

This is exactly how clang used to fail before the changes, if I recall.

I'm now checking out the boost-1.64.0 tag to see how it would fare.