Bug 920517

Summary:	sys-kernel/-kernel fails to build with -flto
Product:	Gentoo Linux	Reporter:	om3i <r9ku1q>
Component:	Current packages	Assignee:	Distribution Kernel Project <dist-kernel>
Status:	UNCONFIRMED ---
Severity:	normal	CC:	r9ku1q
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:
Package list:		Runtime testing required:	---
Attachments:	Build log work/modprep/.config build.log 6.6.9 emerge --info

Description om3i 2023-12-22 04:56:25 UTC

The error is as follows:
/usr/libexec/gcc/x86_64-pc-linux-gnu/ld: /dev/shm/portage/sys-kernel/vanilla-kernel-6.6.8/temp/ccXEQarz.ltrans0.ltrans.o: in function `main':
/dev/shm/portage/sys-kernel/vanilla-kernel-6.6.8/work/linux-6.6.8/tools/objtool/objtool.c:149:(.text.startup+0x2b): undefined reference to `objtool_run'

Reproducible: Always

Comment 1 om3i 2023-12-22 04:57:02 UTC

Created attachment 880201 [details]
Build log

Comment 2 Sam James archtester

2023-12-23 18:45:02 UTC

Could you upload /dev/shm/portage/sys-kernel/vanilla-kernel-6.6.8/work/modprep/.config?

Comment 3 om3i 2023-12-24 19:48:18 UTC

Created attachment 880287 [details]
work/modprep/.config

Sure

Comment 4 om3i 2023-12-26 09:12:44 UTC

That was fixed by --changed-deps (or one of the updates).

Comment 5 om3i 2024-01-02 07:24:13 UTC

Created attachment 881247 [details]
build.log 6.6.9

The problem reappeared with 6.6.9. It appears to be transient.

Comment 6 om3i 2024-01-02 07:24:48 UTC

Created attachment 881248 [details]
emerge --info

Comment 7 om3i 2024-01-15 20:30:01 UTC

The same issue exists with sys-kernel/gentoo-kernel-bin.