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Message #00779
[Bug 850099] Re: Current gcc 4.6-11.09 tip fails to build kernel
> I've set it to medium priority as it is a ftbfs and a performance
regression.
Kernel FTBFS and regression sounds like a high priority to me. We don't
have a work around proposed and can't build LInaro Android kernel with
this toolchain.
Add linaro-release to track the issue.
** Changed in: gcc-linaro
Status: Triaged => Confirmed
** Changed in: linaro-android
Importance: Undecided => High
** Changed in: linaro-android
Milestone: None => 11.09
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https://bugs.launchpad.net/bugs/850099
Title:
Current gcc 4.6-11.09 tip fails to build kernel
Status in Linaro GCC:
Confirmed
Status in Linaro Android:
Confirmed
Bug description:
Building the iMX53 kernel with current gcc 4.6-11.09 tip results in:
arch/arm/kernel/built-in.o: In function `armpmu_event_set_period':
io.c:(.text+0x7d3c): undefined reference to `__aeabi_lcmp'
io.c:(.text+0x7d74): undefined reference to `__aeabi_lcmp'
io.c:(.text+0x7dcc): undefined reference to `__aeabi_lcmp'
arch/arm/vfp/built-in.o: In function `vfp_compare.isra.1':
vfpdouble.c:(.text+0x30f0): undefined reference to `__aeabi_lcmp'
kernel/built-in.o: In function `update_min_vruntime':
crash_dump.c:(.text+0x1a4): undefined reference to `__aeabi_lcmp'
kernel/built-in.o:crash_dump.c:(.text+0x9d4): more undefined references to `__aeabi_lcmp' follow
make[1]: *** [.tmp_vmlinux1] Error 1
The same kernel compiles fine with the 4.6-11.08 toolchain, and
compiled with 4.6-11.09 tip from a couple of days ago (probably before
the last upstream merge).
Also affects other kernels (at least Snowball) - IMO this needs to be fixed before the release
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