kern/121292: FreeBSD-7.0 kernel build fails on FreeBSD-6.3

[Jukka A. Ukkonen]

>Number:         121292
>Category:       kern
>Synopsis:       FreeBSD-7.0 kernel build fails on FreeBSD-6.3
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Mar 02 16:10:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     Jukka A. Ukkonen
>Release:        6.3-STABLE6.3-STABLE
>Organization:
private person
>Environment:
FreeBSD mimir 6.3-STABLE FreeBSD 6.3-STABLE #0: Sat Mar  1 03:55:45 EET 2008     root at mimir:/usr/obj/usr/src/sys/Mimir  i386
>Description:
Source code update from FreeBSD 6.3 to 7.0 fails.
Kernel build fails consistently while compiling the same file.
See details below.

===> zyd (all)
cc -O2 -pipe -march=athlon-xp -fno-strict-aliasing  -D_KERNEL -DKLD_MODULE -std=c99 -nostdinc   -DHAVE_KERNEL_OPTION_HEADERS -include /usr/obj/usr/src/sys/Mimir/opt_global.h -I. -I@ -I@/contrib/altq -finline-limit=8000 --param inline-unit-growth=100 --param large-function-growth=1000 -fno-common  -I/usr/obj/usr/src/sys/Mimir -mno-align-long-strings -mpreferred-stack-boundary=2  -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -ffreestanding -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -Wundef -Wno-pointer-sign -fformat-extensions -c /usr/src/sys/modules/zyd/../../dev/usb/if_zyd.c
ld  -d -warn-common -r -d -o if_zyd.kld if_zyd.o
:> export_syms
awk -f /usr/src/sys/modules/zyd/../../conf/kmod_syms.awk if_zyd.kld  export_syms | xargs -J% objcopy % if_zyd.kld
ld -Bshareable  -d -warn-common -o if_zyd.ko if_zyd.kld
objcopy --strip-debug if_zyd.ko
1 error
*** Error code 2
1 error
*** Error code 2
1 error

>How-To-Repeat:
Try building 7.0 system on a 6.3 platform.
Use e.g. "make -j5 buildkernel" to build kernel using parallel processes.

>Fix:
None known yet.


>Release-Note:
>Audit-Trail:
>Unformatted: