llvm dev - Nov 2015 - [cfe-dev] [3.7.1 Release] -rc2 has been tagged

Should I expect the "-openmp" to work for this RC?  I got a link error
(only in phase 3?).  Maybe the fact that it happened in phase 3 suggests
some hardware malfunction of mine? Or are there tests executed on phase 3
that aren't attempted on earlier phases?

$ CC=clang CXX=clang++ ./test-release.sh -release 3.7.1 -rc 2 -j1 -openmp
-triple armv7l-ubuntu15.10-linux-gnueabihf
...
cd /home/brian/src/fuzzpy/llvm_src/llvm/utils/release/rc2/Phase3/openmp/src
&&
/home/brian/src/fuzzpy/llvm_src/llvm/utils/release/rc2/Phase3/Release/llvmCore-3.7.1-rc2.install/usr/local/bin/clang
-o test-touch-rt/test-touch
/home/brian/src/fuzzpy/llvm_src/llvm/utils/release/rc2/openmp.src/runtime/src/test-touch.c
-lpthread
/home/brian/src/fuzzpy/llvm_src/llvm/utils/release/rc2/Phase3/openmp/src/libomp.so
/home/brian/src/fuzzpy/llvm_src/llvm/utils/release/rc2/Phase3/openmp/src/libomp.so:
undefined reference to `__kmp_invoke_microtask'
clang-3.7: error: linker command failed with exit code 1 (use -v to see
invocation)
src/CMakeFiles/libomp-test-touch.dir/build.make:52: recipe for target
'src/test-touch-rt/.success' failed
make[3]: *** [src/test-touch-rt/.success] Error 1
make[3]: Leaving directory
'/home/brian/src/fuzzpy/llvm_src/llvm/utils/release/rc2/Phase3/openmp'
CMakeFiles/Makefile2:271: recipe for target
'src/CMakeFiles/libomp-test-touch.dir/all' failed
make[2]: *** [src/CMakeFiles/libomp-test-touch.dir/all] Error 2
make[2]: Leaving directory
'/home/brian/src/fuzzpy/llvm_src/llvm/utils/release/rc2/Phase3/openmp'
CMakeFiles/Makefile2:93: recipe for target
'src/CMakeFiles/libomp-micro-tests.dir/rule' failed
make[1]: *** [src/CMakeFiles/libomp-micro-tests.dir/rule] Error 2
make[1]: Leaving directory
'/home/brian/src/fuzzpy/llvm_src/llvm/utils/release/rc2/Phase3/openmp'
Makefile:151: recipe for target 'libomp-micro-tests' failed
make: *** [libomp-micro-tests] Error 2


On Sat, Nov 21, 2015 at 1:14 PM, Renato Golin via llvm-dev <
llvm-dev at lists.llvm.org> wrote:
> On 21 November 2015 at 01:39, Tom Stellard via cfe-dev
> <cfe-dev at lists.llvm.org> wrote:
> > There was one problem in -rc1, so we had to do another release
> > candidate. -rc2 has now been tagged and is ready for testing.
>
> Hi Tom,
>
> ARM and AArch64 uploaded. All green.
>
> cheers,
> --renato
> _______________________________________________
> LLVM Developers mailing list
> llvm-dev at lists.llvm.org
> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>


-- 
-Brian
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On 22 November 2015 at 03:59, Brian Cain <brian.cain at gmail.com>
wrote:
> Should I expect the "-openmp" to work for this RC?
Only if it worked before on the target you're building to in 3.7.0.

OpenMP support is experimental, so you shouldn't need to have it anyway.

>  I got a link error (only
> in phase 3?).  Maybe the fact that it happened in phase 3 suggests some
> hardware malfunction of mine? Or are there tests executed on phase 3 that
> aren't attempted on earlier phases?
Is this related to the OpenMP? Or a link error in Clang?

--renato

On Sun, Nov 22, 2015 at 8:09 AM, Renato Golin <renato.golin at linaro.org>
wrote:
> On 22 November 2015 at 03:59, Brian Cain <brian.cain at gmail.com>
wrote:
> > Should I expect the "-openmp" to work for this RC?
>
> Only if it worked before on the target you're building to in 3.7.0.
>
Ok, I'll check if I can get it to work on 3.7.0.


>
> >  I got a link error (only
> > in phase 3?).  Maybe the fact that it happened in phase 3 suggests
some
> > hardware malfunction of mine? Or are there tests executed on phase 3
that
> > aren't attempted on earlier phases?
>
> Is this related to the OpenMP? Or a link error in Clang?
>
>
AFAICT it's an OpenMP link error (that I got when running
"test-release.sh"
with -openmp).



-- 
-Brian
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