[compiler-rt] r203111 - tsan: add -ftls-model=initial-exec to deadlock detector flags

[Kostya Serebryany]

this will not cover other builds (configure+make or gcc's one), so an
attribute in the code is probably much better.
We use it in sanitizer_common/sanitizer_tls_get_addr.cc, need to pull this
into a macro in sanitizer_common/sanitizer_internal_defs.h


On Thu, Mar 6, 2014 at 4:03 PM, Dmitry Vyukov <dvyukov at google.com> wrote:

> Author: dvyukov
> Date: Thu Mar  6 06:03:39 2014
> New Revision: 203111
>
> URL: http://llvm.org/viewvc/llvm-project?rev=203111&view=rev
> Log:
> tsan: add -ftls-model=initial-exec to deadlock detector flags
> one way or another it must present in the process from the beginning
>
>
> Modified:
>     compiler-rt/trunk/lib/tsan/dd/CMakeLists.txt
>
> Modified: compiler-rt/trunk/lib/tsan/dd/CMakeLists.txt
> URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/dd/CMakeLists.txt?rev=203111&r1=203110&r2=203111&view=diff
>
> ==============================================================================
> --- compiler-rt/trunk/lib/tsan/dd/CMakeLists.txt (original)
> +++ compiler-rt/trunk/lib/tsan/dd/CMakeLists.txt Thu Mar  6 06:03:39 2014
> @@ -4,6 +4,7 @@ include_directories(../..)
>
>  set(DD_CFLAGS ${SANITIZER_COMMON_CFLAGS})
>  append_no_rtti_flag(DD_CFLAGS)
> +list(APPEND DD_CFLAGS -ftls-model=initial-exec)
>
>  if("${CMAKE_BUILD_TYPE}" EQUAL "Release")
>    set(DD_COMMON_DEFINITIONS DEBUG=0)
>
>
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