[cfe-dev] State of Clang in MSYS2

[Anton Korobeynikov via cfe-dev]

I committed the two obvious ones. D29952 contains some discussion, so
I left it as-is.

On Sun, Mar 5, 2017 at 10:25 PM, Mateusz Mikuła <mati865 at gmail.com> wrote:
> I don't have rights to commit, should I ask someone to do it with:
> https://reviews.llvm.org/D29464, https://reviews.llvm.org/D29772,
> https://reviews.llvm.org/D29952?
>
> Also while browsing bugzilla I came into
> https://bugs.llvm.org//show_bug.cgi?id=30685.
> I have developed workaround for MinGW
> https://github.com/mati865/MINGW-packages/blob/clang-svn/mingw-w64-clang-svn/0107-enable-__float128-for-X86-MinGW.patch
> It tricks libstc++ to think Clang supports _float128 but __FLOAT128__ isn't
> defined so you can compile code with <type_traits> included but not with
> _float128 actually being used. I think it's better that way since using
> _float128 with mingw will seg fault Clang.
>
>
> W dniu 01.02.2017 o 23:25, Reid Kleckner pisze:
>
> I would volunteer to try to get these patches in, but I don't have the
> bandwidth for it. I was hoping someone else would speak up, but I guess not.
> =/
>
> On Sat, Jan 21, 2017 at 5:50 AM, Mateusz via cfe-dev
> <cfe-dev at lists.llvm.org> wrote:
>>
>> Hello,
>>
>> I'm involved with maintenance of Clang and related LLVM packages for
>> MSYS2.
>> It was based on Martell's patches (with his permission for MSYS2) from his
>> git repository and MSYS2 own fixes so number of patches might be
>> overwhelming:
>> https://github.com/Alexpux/MINGW-packages/tree/master/mingw-w64-clang
>> Maybe some of these patches could make it's way to the upstream.
>>
>> Tools state at version 3.9.1 :
>> Clang:        mostly works (there are issues found)
>> LLMV:        mostly works (not tested well enough)
>> LLD:           creates broken executable
>> LLDB:         runs but not further tested since lldb-server is not
>> build-able for mingw-w64
>> libc++:        need further testing
>> libc++abi:    need further testing
>> compiler-rt:  need further testing
>>
>> Open clang issues (at MSYS2):
>> https://github.com/Alexpux/MINGW-packages/issues/1677
>> https://github.com/Alexpux/MINGW-packages/issues/1678 (not that much Clang
>> issue but rather mingw-64 with GCC)
>> https://github.com/Alexpux/MINGW-packages/issues/1834
>>
>> Any help will be welcome.
>>
>>
>> make check seems to hang during LLVM tests but here is make check-clang:
>> Failing Tests (18):
>>     Clang :: Driver/mingw.cpp
>>     Clang :: Modules/dependency-dump.m
>>     Clang :: Modules/dependency-gen.modulemap
>>     Clang :: PCH/chain-categories.m
>>     Clang :: PCH/chain-categories2.m
>>     Clang :: PCH/chain-class-extension.m
>>     Clang :: PCH/chain-conversion-lookup.cpp
>>     Clang :: PCH/chain-cxx.cpp
>>     Clang :: PCH/chain-default-argument-instantiation.cpp
>>     Clang :: PCH/chain-empty-initial-namespace.cpp
>>     Clang :: PCH/chain-friend-instantiation.cpp
>>     Clang :: PCH/chain-implicit-definition.cpp
>>     Clang :: PCH/chain-late-anonymous-namespace.cpp
>>     Clang :: PCH/chain-openmp-threadprivate.cpp
>>     Clang :: PCH/chain-pending-instantiations.cpp
>>     Clang :: PCH/chain-staticvar-instantiation.cpp
>>     Clang :: PCH/cxx-chain-function-template.cpp
>>     Clang :: PCH/replaced-decl.m
>>
>>   Expected Passes    : 9349
>>   Expected Failures  : 16
>>   Unsupported Tests  : 227
>>   Unexpected Failures: 18
>>
>> Full output is available here:
>> https://gist.github.com/mati865/b4a2c96f82b22ac41eca32714092db1d
>>
>> Is there any interest from You in providing at lest minimal support to it?
>>
>> Cheers,
>> Mateusz Mikuła
>>
>>
>> _______________________________________________
>> cfe-dev mailing list
>> cfe-dev at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-dev
>>
>
>



-- 
With best regards, Anton Korobeynikov
Department of Statistical Modelling, Saint Petersburg State University