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SubjectRe: [PATCH] Documentation/vDSO: don't build tests when cross compiling
On Sat, 20 Jun 2015 21:10:28 -0400
Paul Gortmaker <paul.gortmaker@windriver.com> wrote:

> The following was seen in linux-next build coverage, which is somewhat
> unique since it uses powerpc host to cross compile x86:
>
> Documentation/vDSO/vdso_standalone_test_x86.c:49:2: error: impossible
> register constraint in 'asm'
> make[4]: *** [Documentation/vDSO/vdso_standalone_test_x86.o] Error 1
>
> It probably makes sense to just skip building these tests when
> we are cross compiling.

So I guess I'm not totally averse to applying these; getting rid of build
errors is a good thing. But I do get the feeling like it's papering over
the real problem. As a general rule, cross-compiling works; what's
special about these programs that makes it fail?

Thanks,

jon
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