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Commit 924dd50b authored by Michael Neuling's avatar Michael Neuling Committed by Benjamin Herrenschmidt
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powerpc: Fix error when cross building TAGS & cscope



Currently if I cross build TAGS or cscope from x86 I get this:
  % make ARCH=powerpc TAGS
  gcc-4.8.real: error: unrecognized command line option ‘-mbig-endian’
  GEN     TAGS
  %

I'm not setting CROSS_COMPILE= as logically I shouldn't need to and I
haven't needed to in the past when building TAGS or cscope.  Also, the
above completess correct as the error is not fatal to the build.

This was caused by:
    commit d72b0801
    Author: Ian Munsie <imunsie@au1.ibm.com>
    powerpc: Add ability to build little endian kernels

The below fixes this by testing for the -mbig-endian option before
adding it.

I've not done the same thing in the little endian case as if
-mlittle-endian doesn't exist, we probably want to fail quickly as you
probably have an old big endian compiler.

Signed-off-by: default avatarMichael Neuling <mikey@neuling.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 02ce6e87
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