[PATCH libgpg-error] syscfg: Add ppc64le cross build support

[NIIBE Yutaka]

Daniel Kahn Gillmor <dkg at fifthhorseman.net> wrote:
> i guess i'm asking why some 64-bit little-endian powerpc machines would
> get reported as powerpc64le and others would be ppc64le, if they're the
> same underlying hardware.
>
> perhaps someone with more of an understanding of the nuances of
> different platforms can weigh in here.  i don't know enough to be able
> to make this call.

The triplet for "ppc64el" is powerpc64le-unknown-linux-gnu.  We already
have supported it in libgpg-error.

For cross building, please specify correct triplet for the host.  It
should be powerpc64le-unknown-linux-gnu when you build for ppc64le.
(Well, you should have cross compiler which supports
powerpc64le-unknown-linux-gnu beforehand, so, you should know the
triplet.)

Name of machine type (I mean the output of uname -m), CPU in the
triplet, architecture name for distribution may be different.
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