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SubjectRe: linux-next: Tree for November 18
On 11/19/2010 01:33 AM, Stephen Rothwell wrote:
> Hi Boaz,
> On Thu, 18 Nov 2010 17:25:22 +0200 Boaz Harrosh <> wrote:
>> The uml build from:
>> is failing compilation like:
>> LD .tmp_vmlinux1
>> /opt/crosstool/gcc-4.2.3-glibc-2.3.6/i386-unknown-linux-gnu/lib/gcc/i386-unknown-linux-gnu/4.2.3/../../../../i386-unknown-linux-gnu/bin/ld:arch/um/kernel/ parse error
>> collect2: ld returned 1 exit status
>> KSYM .tmp_kallsyms1.S
>> /opt/crosstool/gcc-4.2.3-glibc-2.3.6/i386-unknown-linux-gnu/bin/i386-unknown-linux-gnu-nm: '.tmp_vmlinux1': No such file
>> No valid symbol.
>> make[1]: *** [.tmp_kallsyms1.S] Error 1
>> make: *** [sub-make] Error 2
>> make failed, trying to bisect ..
>> It looks like a build environment setup problem because it's fine here
>> (for x86_64 at least.) Who is the person responsible for the above URL
>> compilation please?
> I am (at least partially) responsible for that build environment.
> We only started getting that build failure with next-20101115 (it may
> have been present before then but masked by other build failures), and
> our build system hasn't changed in quite some time ... In fact, before
> next-20100915, the um i386 build used to succeed.
> The build we are doing is 32 bit (not 64 bit). We are in the process of
> getting a newer tool chain, but I am not sure when that will happen.

Hi Stephen, thank you for your reply

So... Every x86_64 box is also a potential of an x86_32 cross compilation
environment, right?. Almost because for instance in Fedora 12 I had to:
yum install glibc-devel.i686
for it to work (On top of the regular Kernel development packages)

So I tried:
[]$ make ARCH=um SUBARCH=i386 KBUILD_OUTPUT=.build_i386_um defconfig
[]$ make ARCH=um SUBARCH=i386 KBUILD_OUTPUT=.build_i386_um

And it all worked very nice just as with x86_64.
What is you box environment? Distro, Arch, version of gcc-for-i386 ...?
I would like to help resolve it. Since I decided that I should be watching
out for ARCH=um, before breakage is put into Linus tree, like the last 4

Meanwhile I have setup a cron job for every-night to checkout linux-next
and "make". As a backup for above, until it is fixed.

Anything else I can contribute to this cause?


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