Dne 27.5.2014 09:54, Geert Uytterhoeven napsal(a):
> On architectures that setup CROSS_COMPILE in their arch/*/Makefile
> (arc, blackfin, m68k, mips, parisc, score, sh, tile, unicore32, xtensa),
> cc-option and cc-disable-warning may check against the wrong compiler,
> causing errors like
>
> cc1: error: unrecognized command line option "-Wno-maybe-uninitialized"
>
> if the host gcc supports a compiler option, while the cross compiler
> doesn't support that option.
>
> Move all logic using cc-option or cc-disable-warning below the inclusion
> of the arch's Makefile to fix this.
>
> Introduced by
> - commit e74fc973b6e531fef1fce8b101ffff05ecfb774c ("Turn off
> -Wmaybe-uninitialized when building with -Os"),
> - commit 61163efae02040f66a95c8ed17f4407951ba58fa ("kbuild: LLVMLinux:
> Add Kbuild support for building kernel with Clang").
>
> As -Wno-maybe-uninitialized requires a quite recent gcc (gcc 4.6.3 on
> Ubuntu 12.04 LTS doesn't support it), this only showed up recently (gcc
> 4.8.2 on Ubuntu 14.04 LTS does support it).
>
> Signed-off-by: Geert Uytterhoeven <ge...@linux-m68k.org>
Applied to kbuild.git#kbuild, thanks.
Michal
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