[cfe-dev] anyone knows the current state of libc++ on windows?

[Michael Spencer]

On Thu, May 8, 2014 at 5:07 AM, Yaron Keren <yaron.keren at gmail.com> wrote:
> clang (lld) can't link .o files (COFF) on Windows.

lld can link Chrome on Windows.

 - Michael Spencer

> MinGW is needed mainly for ld linker and for the C library headers but also
> for other libraries, such as the unwinder.
>
>
>
>
> 2014-05-08 13:29 GMT+03:00 Dennis Luehring <dl.soluz at gmx.net>:
>>>
>>> MinGW does not have its own C library, it uses MSVCRT for C library.
>>> So practically any program compiled with MInGW depends on MSVCRT.
>>
>>
>> but why is then MinGW needed at all - is the MinGW c library in use as an
>> wrapper
>> or can't clang directly compile(link) agains MSVCRT?
>>
>>
>> Am 08.05.2014 12:15, schrieb Yaron Keren:
>>>
>>> MinGW does not have its own C library, it uses MSVCRT for C library.
>>> So practically any program compiled with MInGW depends on MSVCRT.
>>>
>>> Yaron
>>>
>>>
>>>
>>> 2014-05-08 13:05 GMT+03:00 Dennis Luehring <dl.soluz at gmx.net>:
>>>
>>> > I routinely compile libc++ & libcxxabi with clang as
>>> >> compiler and link with MinGW 4.8.2 (gcc calling ld)
>>> >> as an replacement for libstdc++.
>>> >>
>>> >
>>> > did you ever checked linking with "Microsoft Visual C Run-Time Library"
>>> > (MSVCRTxyz)
>>> > so that the dependencies are only libc++ & libcxxabi & MSVCRT - is that
>>> > possible
>>> > or are there still compile/link problems with microsoft stuff
>>> >
>>> >
>>> > Am 08.05.2014 11:30, schrieb Yaron Keren:
>>> >
>>> >  Hi Dennis,
>>> >>
>>> >> I routinely compile libc++ & libcxxabi with clang as compiler and link
>>> >> with
>>> >> MinGW 4.8.2 (gcc calling ld) as an replacement for libstdc++. It
>>> >> builds
>>> >> and
>>> >> overall works. I have run the tests some while ago, most passed but
>>> >> there
>>> >> were failures, have not looked in depth.
>>> >>
>>> >> libc++ compiled with gcc - gcc 4.7 could not handle some of the
>>> >> "advanced"
>>> >> C++ code in libcxx. Have not tested with 4.8 or the just released 4.9.
>>> >>
>>> >> libc++ with Visual C++ - there were multiple C++ compatibility
>>> >> problems
>>> >> even with VC 2013.
>>> >> Someone named "G M" had tried this for a while and some of his patches
>>> >> were
>>> >> comitted, search on the list for "G M".
>>> >> The latest Visual C++ is 2013 Update 2, MS are imporving VC C++
>>> >> support
>>> >> every version, you can try building libcxx with it and see what fails
>>> >> now.
>>> >> The free express version is available here
>>> >>
>>> >>   http://www.microsoft.com/en-us/download/details.aspx?id=40787
>>> >>
>>> >> Yaron
>>> >>
>>> >>
>>> >>
>>> >> 2014-05-08 10:04 GMT+03:00 Dennis Luehring <dl.soluz at gmx.net>:
>>> >>
>>> >> > but not using Visual C++.
>>> >> >>
>>> >> >
>>> >> > sorry for my unprecise question
>>> >> >
>>> >> > libc++ & MingW
>>> >> >   compiles (as you wrote) - and all tests run fine?
>>> >> >
>>> >> > libc++ & MSVC
>>> >> >   does not compile - what parts, any building/test stats available?
>>> >> >
>>> >> > libc++ & Clang under Windows
>>> >> >   ???
>>> >> >
>>> >> > Am 08.05.2014 07:29, schrieb Yaron Keren:
>>> >> >
>>> >> >  Hi Dennis,
>>> >> >>
>>> >> >> You can build libcxx using MingW-w64
>>> >> >>
>>> >> >>
>>> >> >> http://sourceforge.net/projects/mingw-w64/files/
>>> >> Toolchains%20targetting%
>>> >> >> 20Win32/Personal%20Builds/mingw-builds/
>>> >> >>
>>> >> >> but not using Visual C++.
>>> >> >>
>>> >> >> Yaron
>>> >> >>
>>> >> >>
>>> >> >>
>>> >> >> 2014-05-08 7:20 GMT+03:00 Dennis Luehring <dl.soluz at gmx.net>:
>>> >> >>
>>> >> >> > the information on
>>> >> >> > http://libcxx.llvm.org/results.Windows.htmlseems to
>>>
>>> >> >> > be a little bit out-dated
>>> >> >> >
>>> >> >> > anyone still working on the port?
>>> >> >> >
>>> >> >> > _______________________________________________
>>> >> >> > cfe-dev mailing list
>>> >> >> > cfe-dev at cs.uiuc.edu
>>> >> >> > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev
>>> >> >> >
>>> >> >>
>>> >> >>
>>> >> > _______________________________________________
>>> >> > cfe-dev mailing list
>>> >> > cfe-dev at cs.uiuc.edu
>>> >> > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev
>>> >> >
>>> >>
>>> >>
>>> > _______________________________________________
>>> > cfe-dev mailing list
>>> > cfe-dev at cs.uiuc.edu
>>> > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev
>>> >
>>>
>>
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