[cfe-dev] Using build clang on Mac OS
Sean Silva via cfe-dev
cfe-dev at lists.llvm.org
Thu Jul 21 18:39:24 PDT 2016
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:
> 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:
> 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.
> cfe-dev mailing list
> cfe-dev at lists.llvm.org
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