i686 build on x86_64 fails

[Dave Jones]

On Wed, Nov 28, 2007 at 12:29:28AM -0800, Pete Zaitcev wrote:
 > Just FYI, I found that it's not possible to build an i686 kernel on x86_64
 > (in 2.6.23.1-42.fc8), because this happens:
 > 
 > + gcc -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=generic -fasynchronous-unwind-tables -o scripts/modsign/mod-extract scripts/modsign/mod-extract.c
 > In file included from /usr/include/features.h:359,
 >                  from /usr/include/stdio.h:28,
 >                  from scripts/modsign/mod-extract.c:12:
 > /usr/include/gnu/stubs.h:7:27: error: gnu/stubs-32.h: No such file or directory
 > 
 > It's not important why stubs-32.h does not exist in glibc-headers.
 > The problem is using -m32 for a host executable, because the kernel.spec
 > has this:
 > 
 > gcc $RPM_OPT_FLAGS -o scripts/modsign/mod-extract scripts/modsign/mod-extract.c
 > 
 > I suspect that hardcoding gcc -O would work just dandily, but on the other
 > hand it's unclear if we want to bother fixing it. Thoughts?

Just nuke the line completely, and turn off module signing.
(It's already gone in devel/)

	Dave

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