[cfe-dev] Build Clang with CMake and Intel Compiler

[Hal Finkel]

----- Original Message -----
> From: "Marvin Damschen" <marvin.damschen at gullz.de>
> To: "Kostya Serebryany" <kcc at google.com>
> Cc: "Clang Developer's Mailing List" <cfe-dev at cs.uiuc.edu>
> Sent: Wednesday, March 19, 2014 9:47:14 AM
> Subject: Re: [cfe-dev] Build Clang with CMake and Intel Compiler
> 
> 
> > This error reports comes from building tsan (ThreadSanitizer)
> > run-time.
> > First: do you need it?
> 
> I do not need it, but I am not too familiar with the clang build
> process. How do I disable it? Would commenting out the
> 'add_compiler_rt_static_runtime' and 'add_compiler_rt_static_runtime'
> in
> the CMakeLists be sufficient?
> 
> > Second: try to hack
> > compiler-rt/lib/sanitizer_common/sanitizer_asm.h
> > to disable CFI directives.
> 
> Apparently, sanitizer_asm.h was added in trunk after 3.4 to solve
> exactly the problem I am having right now. However, I am bound to 3.4
> because I want to use Intel's OpenMP extensions eventually.

This is not true. With Intel's assistance, I maintain a trunk-rebased version of the patchset: https://github.com/clang-omp/clang_trunk -- it sometimes lags the "release" branch in terms of features, but if you need something specific, please let me know and I'll get it done. This branch is what I use to make our internal release candidates.

 -Hal

> I think
> disabling the problematic sanitizers is the way to go for me now.
> 
> Thank you
> Marvin
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-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory