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Subject: Re: [boost] clang on mingw
From: Edward Diener (eldiener_at_[hidden])
Date: 2014-03-04 18:38:21
On 3/4/2014 12:08 PM, Peter Dimov wrote:
> Edward Diener wrote:
> On 3/3/2014 5:05 PM, Peter Dimov wrote:
>>> http://llvm.org/bugs/show_bug.cgi?id=18997
> ...
>
>> Which of the many download options on the MingW-x64 site (
>> http://mingw-w64.sourceforge.net ) did you use.
>
> I downloaded the mingw-builds setup, mingw-builds-install.exe, then
> chose, somewhat arbitrarily, the default x32 option,
> x32-4.8.1-posix-dwarf-rev5. Using x64 with SEH could have been a better
> idea.
>
> If you don't have another MinGW in C:\mingw, I'd recommend actually
> unpacking the mingw-builds installation there instead of using the
> installer which installs into a x32-4.8.1-posix-dwarf-rev5 subdirectory
> of whatever you tell it (C:\Program Files (x86)\mingw-builds by
> default). Clang looks into C:\mingw for the header files and that's
> apparently hardcoded, so it's best for the MinGW installation to live
> there.
>
>> What instructions did you follow to build the latest clang with
>> MingW-x64 ? Was it also "cmake -G "MinGW Makefiles" ..\llvm" mentioned
>> in your bug report ?
>
> Yes, cmake -G "MinGW Makefiles" ..\llvm. I had to install cmake and
> Python first. Python isn't actually used during the build, but cmake
> complained when it couldn't find it.
C:\Programming\VersionControl\bmw64_clang>cmake
-DCMAKE_BUILD_TYPE=Release -G "MinGW Makefiles" ..\llvm
CMake Error: CMake was unable to find a build program corresponding to
"MinGW Makefiles". CMAKE_MAKE_PROGRAM is not set. You probably need to
select a different build tool.
CMake Error: CMake was unable to find a build program corresponding to
"MinGW Makefiles". CMAKE_MAKE_PROGRAM is not set. You probably need to
select a different build tool.
CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage
CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage
-- Configuring incomplete, errors occurred!
See also
"C:/Programming/VersionControl/bmw64_clang/CMakeFiles/CMakeOutput.log".
See also
"C:/Programming/VersionControl/bmw64_clang/CMakeFiles/CMakeError.log".
>
> I also used -DCMAKE_BUILD_TYPE=Release in addition to -G, to make a
> release build.
>
>> How did you substitute -mthreads with -pthread for clang-linux.jam ?
>
> I actually didn't, so the two smart_ptr tests that were marked as
> multithreaded failed. But I did compile them manually using clang++
> -pthread to verify that they worked, and they did. I don't know much of
> boost-build so I had no idea how to make it pass -pthread.
>
> Now if only one of the MinGW teams could decide to bundle Clang so that
> we could skip all this :-)
>
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