On Wednesday 15 July 2009, dann frazier wrote: > On Mon, Jul 13, 2009 at 11:22:12AM +0200, Frans Pop wrote: > > Linus has committed a different solution: replacing -fwrapv by > > -fno-strict-overflow. > > See upstream commit a137802ee839ace40079bebde24cfb416f73208a. > > I tried applying that fix, but it causes a build failure because the > compiler we use for lenny (gcc-4.1) doesn't support it. It seems > strange that upstream would drop '-fwrapv' due to problems w/ > gcc-4.1.x, but then require an option that's not supported by gcc-4.1 > at all. Maybe that option got added in the 4.1.x stream after Debian > released it? Maybe I'm missing a kernel change that would prevent this > option from being used in 4.1?
That's weird. IIUC the 'call cc-option' function is supposed to check whether an option is supported by the gcc version being used and only actually add it if it is. See Documentation/kbuild/makefiles.txt and scripts/Kbuild.include. -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
