lkml.org 
[lkml]   [2014]   [Jun]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] Makefile: Fix unrecognized cross-compiler command line options
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 <geert@linux-m68k.org>

Applied to kbuild.git#kbuild, thanks.

Michal



\
 
 \ /
  Last update: 2014-06-10 00:41    [W:0.042 / U:0.336 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site