Re: Build failure: bisected: v3.1-rc1 with config ARCH_OMAP &&!ARCH_OMAP4 fails with linker error

From: Tony Lindgren
Date: Wed Aug 10 2011 - 04:37:39 EST


* Paul Walmsley <paul@xxxxxxxxx> [110809 20:01]:
> On Tue, 9 Aug 2011, Tony Lindgren wrote:
>
> > Hmm, there are also these when CONFIG_ARCH_OMAP4 is not selected:
> >
> > arch/arm/mach-omap2/built-in.o: In function `_enable_module':
> > arch/arm/mach-omap2/omap_hwmod.c:701: undefined reference to `omap4_cminst_module_enable'
> > arch/arm/mach-omap2/built-in.o: In function `_disable_module':
> > arch/arm/mach-omap2/omap_hwmod.c:726: undefined reference to `omap4_cminst_module_disable'
> > arch/arm/mach-omap2/built-in.o: In function `_wait_target_disable':
> > arch/arm/mach-omap2/omap_hwmod.c:1179: undefined reference to `omap4_cminst_wait_module_idle'
> > distcc[27594] ERROR: compile (null) on localhost failed
> > make: *** [.tmp_vmlinux1] Error 1
> >
> > Care to take a look?
>
> Weird, those don't show up on my n800 config (below) with CodeSourcery
> 2010.09-50. Looks like something isn't removing the dead code. will post
> a patch for this.
>
> If you post which compiler you're using, I'll add it to my build tests
> too...

Happens at least with this one:

gcc version 4.3.3 (Sourcery G++ Lite 2009q1-203)

Tony
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