-current 'make release' status?

Ruslan Ermilov ru at FreeBSD.org
Tue Jul 29 05:01:53 PDT 2003


On Tue, Jul 29, 2003 at 06:30:54AM -0400, John wrote:
> Hi,
> 
>    I'm currently down to this patch to allow a make release to complete
> for -current:
> 
[...]

Try setting the KERNEL_FLAGS=-DNO_WERROR instead.

>    without it, the following causes BOOTMFS to abort:
> 
> cc -c -Os -pipe -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith 
> -Winline -Wcast-qual  -fformat-extensions -std=c99  -nostdinc -I-  -I. -I/usr/src/sys -I/usr/src/sys/dev -I/usr/src
> /sys/contrib/dev/acpica -I/usr/src/sys/contrib/ipfilter -I/usr/src/sys/contrib/dev/ath -I/usr/src/sys/contrib/dev/a
> th/freebsd -D_KERNEL -include opt_global.h -fno-common -finline-limit=15000  -mno-align-long-strings -mpreferred-st
> ack-boundary=2 -ffreestanding -Werror  /usr/src/sys/cam/cam_periph.c
> In file included from /usr/src/sys/cam/cam_periph.c:41:
> /usr/src/sys/sys/buf.h: In function `BUF_LOCK':
> /usr/src/sys/sys/buf.h:289: warning: dereferencing type-punned pointer will break strict-aliasing rules
> /usr/src/sys/sys/buf.h:289: warning: dereferencing type-punned pointer will break strict-aliasing rules
> /usr/src/sys/sys/buf.h: In function `BUF_TIMELOCK':
> /usr/src/sys/sys/buf.h:310: warning: dereferencing type-punned pointer will break strict-aliasing rules
> /usr/src/sys/sys/buf.h:310: warning: dereferencing type-punned pointer will break strict-aliasing rules
> /usr/src/sys/sys/buf.h: In function `BUF_UNLOCK':
> /usr/src/sys/sys/buf.h:325: warning: dereferencing type-punned pointer will break strict-aliasing rules
> /usr/src/sys/sys/buf.h:325: warning: dereferencing type-punned pointer will break strict-aliasing rules
> /usr/src/sys/sys/buf.h: In function `BUF_KERNPROC':
> /usr/src/sys/sys/buf.h:350: warning: dereferencing type-punned pointer will break strict-aliasing rules
> /usr/src/sys/sys/buf.h:350: warning: dereferencing type-punned pointer will break strict-aliasing rules
> /usr/src/sys/sys/buf.h:352: warning: dereferencing type-punned pointer will break strict-aliasing rules
> /usr/src/sys/sys/buf.h:352: warning: dereferencing type-punned pointer will break strict-aliasing rules
> /usr/src/sys/cam/cam_periph.c: In function `cam_periph_mapmem':
> /usr/src/sys/cam/cam_periph.c:624: warning: dereferencing type-punned pointer will break strict-aliasing rules
> .
> .
> .
> 
>    Thoughts? Plans?
> 
>    It's also worth noting that the BOOTMFS kernel build is inconsistant. The
> initial build via 'make release' fails with no patch. After the failure,
> a followup:
> 
> chroot $RDIR /bin/sh
> /mk doMFSKERN
> 
>     works correctly. The 'make release' environment is setup differently
> from that of /mk. Depending on what folks think, maybe some form of:
> 
> make mk TARGET=doMFSKERN
> 
>     would be appropriate to guarentee consistancy. Just a thought.
> 
If this is the case, then it's a bug and should be fixed.  I am
looking to see now if I can reproduce the problem, but a wild
guess is that: release/Makefile calls chroot(8) a bit differently,
with a clean environment, like this:

	env -i /usr/sbin/chroot ${CHROOTDIR} /mk

Could it be that you have something in your environment similar
to NO_WERROR?


Cheers,
-- 
Ruslan Ermilov		Sysadmin and DBA,
ru at sunbay.com		Sunbay Software Ltd,
ru at FreeBSD.org		FreeBSD committer
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