Hi Nathan,
> On 12/18/15 09:36, Rainer Orth wrote:
>> Hi Nathan,
>>
>>> c-c++-common/attr-simd-3.c's use of -fcilkplus means it requires pthreads.
>>
>> why would this matter for a compile test? What happens without?
>
> Executing on host: nvptx-none-gcc
> /scratch/nsidwell/openacc/trunk-ptx-shared/src/gcc-mainline/gcc/testsuite/c-c++-common/attr-simd-3.c
> -fno-diagnostics-show-caret -fdiagnostics-color=never -Wc++-compat
> -fcilkplus -DSTACK_SIZE=8192 -DNO_TRAMPOLINES -DNO_LABEL_VALUES
> -DSIGNAL_SUPPRESS -S -o attr-simd-3.s (timeout = 600)
> nvptx-none-gcc: error: unrecognized command line option '-pthread'
>
> compiler exited with status 1
> output is:
> nvptx-none-gcc: error: unrecognized command line option '-pthread'
>
>
> FAIL: c-c++-common/attr-simd-3.c -Wc++-compat PR68158 (test for errors,
> line 5)
> FAIL: c-c++-common/attr-simd-3.c -Wc++-compat (test for excess errors)
> Excess errors:
> nvptx-none-gcc: error: unrecognized command line option '-pthread'
ok, I see. I'm uncomfortable declaring the requirement this
indirectly/unobviously. I'd rather add a requirement on cilkplus (we
have that effective-target keyword already) and update
check_effective_target_cilkplus in target-supports.exp for nvptx.
Rainer
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Rainer Orth, Center for Biotechnology, Bielefeld University
