Messages in this thread | | | Date | Mon, 09 Jun 2014 23:36:16 +0200 | From | Michal Marek <> | Subject | Re: [PATCH] Makefile: Fix unrecognized cross-compiler command line options |
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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
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