[LLVMdev] Build Clang and LLVM on Win 8

[Giorgio Franceschetti]

I also tried to build LLVM with 3.3 sources.

Same problems.

Even worse, Visual Studio hangs and I had to kill the process.

What could it be? Is Visual Studio 2012 working with LLVM/clang?

Or LLVM/Clang is not supposed to work on windows (I saw also that there 
are no binaries ready for the windows platform).

Thanks in advance,
   Giorgio

Il 22/07/2013 22.51, Giorgio Franceschetti ha scritto:
> Hi all,
>   yes, I do not know python and I installed it only for being able to 
> build LLVM.
> Now I have installed version 2.7.
>
> I tried with codeblock project generation, but I'm still getting errors.
>
> So I moved to visual studio as per "getting started" guide.
>
> I run the command: cmake -G "Visual Studio 11" ..\llvm from my build 
> folder.
>
> It lists a lot of file not found during the execution, but at the end 
> it does create th visual studio projects.
> Based on the web guide, it should be successful.
> First question, is it really?
>
> Then, I open visual studio and run the solution compilation.
>
> But, after a long time, I got a lot of errors stating that it is not 
> possible to find the stdbool.h file + a few others.
> Example:
> error C1083: Impossibile aprire il file inclusione 'stdbool.h': No 
> such file or directory (<my 
> path>\llvm\projects\compiler-rt\lib\floatuntisf.c)    <my 
> path>\llvm\projects\compiler-rt\lib\int_lib.h    37    1 clang_rt.x86_64
> error C2061: errore di sintassi: identificatore '__attribute__' (<my 
> path>\llvm\projects\compiler-rt\lib\int_util.c) <my 
> path>\llvm\projects\compiler-rt\lib\int_util.h    27 1    clang_rt.x86_64
> error C2059: errore di sintassi: ';' (<my 
> path>\llvm\projects\compiler-rt\lib\int_util.c)    <my 
> path>\llvm\projects\compiler-rt\lib\int_util.h    27    1 clang_rt.x86_64
> error C2182: 'noreturn': utilizzo non valido del tipo 'void' (<my 
> path>\llvm\projects\compiler-rt\lib\int_util.c) <my 
> path>\llvm\projects\compiler-rt\lib\int_util.h    27 1    clang_rt.x86_64
> error C1083: Impossibile aprire il file inclusione 'stdbool.h': No 
> such file or directory (<my 
> path>\llvm\projects\compiler-rt\lib\int_util.c)    <my 
> path>\llvm\projects\compiler-rt\lib\int_lib.h    37    1 clang_rt.x86_64
>
>
> What could it be?
>
> Any help is appreciated,
>
>    Giorgio
>
> Il 22/07/2013 03.38, Óscar Fuentes ha scritto:
>> Reid Kleckner <rnk at google.com> writes:
>>
>>> My initial impression was that still probably nobody uses python 3, 
>>> so it's
>>> not worth adding support that will break.  But if users actually have
>>> python 3, maybe it's worth it.
>> I think that on this case the problem was not people who actually have
>> python 3, but people who see Python as a requirement for building LLVM
>> and go to python.org and download the "most recent" version, i.e. python
>> 3, because they are unaware of the incompatibilities. Believe it or not,
>> there are developers who don't know about the Python mess :-)
>>
>> If adding support for version 3 is problematic, a check that gives a
>> helpful message would be a good start. If it can't be implemented on the
>> python scripts, it could be implemented on the cmake/configure scripts.
>>
>> BTW, http://llvm.org/docs/GettingStarted.html mentions Python as a
>> requirement for the automated test suite (not for the build.) Says
>> version >=2.4. A user reading that would assume that version 3.X is ok,
>> or no Python at all if he only wishes to play with LLVM.
>>
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>>
>>
>
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