[cfe-dev] Using build clang on Mac OS

[Piotr Padlewski via cfe-dev]

Thanks for the thread. Having precise step-by-step description in FAQ would
be helpful.

On Thu, Jul 21, 2016 at 6:39 PM, Sean Silva via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

> You may want to check out the recent thread "[cfe-dev] clang++ build from
> source is not able to find C++ headers". Ideally we could filter the result
> of all these discussions into an FAQ.
>
> -- Sean Silva
>
> On Thu, Jul 21, 2016 at 5:42 PM, Piotr Padlewski via cfe-dev <
> cfe-dev at lists.llvm.org> wrote:
>
>> Hi,
>> the question os mostly addressed to Apple folks.
>>
>> I am having some issues with clang compiled on Mac OS. First thing is the
>> search path for libc++ - running llvm+clang from build bin on basic c++ file
>> results in preprocessor errors because clang can't find libc++. It seems
>> that the main problem is that the default installed clang with libc++ with
>> XCode is somewhere
>> in Application, and build clang is trying to find it somewhere in
>> /usr/bin.
>>
>> Building clang with libcxx and libcxxabi solves the problem, but then all
>> the libc++ fails with error like
>> clang-3.9: error: no such file or directory:
>> '/Users/prazek/llvm/projects/libcxx/test/support/filesystem_dynamic_test_helper.py"'.
>>
>> I would like to not compile libc++ every time when I clear the build.
>> So I feel that there should be either good documentation for how to set
>> it up on mac, or the default behaviour should not be so crappy. This makes
>> me a little bit sad
>> because I would not expect to have problems like this on mac.
>>
>>
>> Piotr
>>
>>
>>
>> _______________________________________________
>> cfe-dev mailing list
>> cfe-dev at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-dev
>>
>>
>
> _______________________________________________
> cfe-dev mailing list
> cfe-dev at lists.llvm.org
> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-dev
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/cfe-dev/attachments/20160722/7012969b/attachment.html>