/sys/amd64/conf/GENERIC COMPAT_FREEBSD7 a prerequisite for COMPAT_IA32

[Gary Jennejohn]

On Wed, 21 Apr 2010 20:57:59 +0200
"Julian H. Stacey" <jhs at berklix.com> wrote:

> Hi hackers at freebsd.org
> with amd64, but not with i386,
> /sys/amd64/conf/GENERIC COMPAT_FREEBSD7 is an undocemneted
> pre-requisite for COMPAT_IA32
> (so those who enable COMPAT_IA32 for ports/emulators, but disable
> COMPAT_FREEBSD7 as they compile all binaries on upgrade, will trip
> up on it as I did).  Currently I see:
> 
> cc -c -O2 -frename-registers -pipe -fno-strict-aliasing  -std=c99 -g -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -Wundef -Wno-pointer-sign -fformat-extensions -nostdinc  -I. -I../../.. -I../../../contrib/altq -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-common -finline-limit=8000 --param inline-unit-growth=100 --param large-function-growth=1000  -fno-omit-frame-pointer -mcmodel=kernel -mno-red-zone  -mfpmath=387 -mno-sse -mno-sse2 -mno-sse3 -mno-mmx -mno-3dnow  -msoft-float -fno-asynchronous-unwind-tables -ffreestanding -fstack-protector -Werror  ../../../compat/freebsd32/freebsd32_misc.c
> cc1: warnings being treated as errors
> ../../../compat/freebsd32/freebsd32_misc.c: In function 'freebsd32_semsys':
> ../../../compat/freebsd32/freebsd32_misc.c:1420: warning: implicit declaration of function 'freebsd7_freebsd32_semctl'
> ../../../compat/freebsd32/freebsd32_misc.c:1420: warning: nested extern declaration of 'freebsd7_freebsd32_semctl'
> ...
> ../../../compat/freebsd32/freebsd32_misc.c:1845: error: dereferencing pointer to incomplete type
> *** Error code 1
> 
> It could be documented in GENERIC, but better to fix it.  I could
> dig through sources, but I think there's people closer to config
> who would prefer to commit their own fix, rather than me write a patch ?
> (Does that translate as "I'm lazy" ? ;-)
> 

The switch is documented in /usr/src/UPDATING on my box.  This is the
usual place for this kind of heads-up.

--
Gary Jennejohn