svn commit: r211695 - head/sys/kern
Rui Paulo
rpaulo at lavabit.com
Mon Aug 23 11:29:54 UTC 2010
On 23 Aug 2010, at 07:32, pluknet wrote:
> On 23 August 2010 10:22, Warner Losh <imp at freebsd.org> wrote:
>> Author: imp
>> Date: Mon Aug 23 06:22:35 2010
>> New Revision: 211695
>> URL: http://svn.freebsd.org/changeset/base/211695
>>
>> Log:
>> This should really be MACHINE not MACHINE_ARCH, and is this Makefile even used?
>>
>
> Hi.
>
> I wrote this letter almost 2.5y ago with no response.
> Hope this helps.
>
> %%%
> I looked at sys/kern/ Makefile Make.tags.inc. AFAICS they were partially
> abandoned years ago and has broken tags support and even contain 4.4BSD-Lite
> paths, that never ever being in FreeBSD CVS or was dropped years ago. So make
> links exits with error. It looks very odd:
>
> pl$ make links
> rm -f /var/db/sys_tags
> ln -s /sys/i386/tags /var/db/sys_tags
> for i in conf dev dev/scsi fs fs/deadfs fs/fdescfs fs/fifofs
> fs/lofs fs/nullfs fs/portalfs fs/procfs fs/specfs fs/unionfs hp
> hp/dev hp/hpux kern libkern net netinet nfs scripts sys ufs ufs/ffs
> ufs/lfs ufs/ufs vm; do (cd ../$i && { rm -f tags; ln -s
> /var/db/sys_tags tags; }) done
> cd: can't cd to ../dev/scsi
> cd: can't cd to ../fs/lofs
> cd: can't cd to ../fs/specfs
> cd: can't cd to ../hp
> cd: can't cd to ../hp/dev
> cd: can't cd to ../hp/hpux
> cd: can't cd to ../scripts
> cd: can't cd to ../ufs/lfs
> for i in i386; do (cd ../$i && make SYSTAGS=/var/db/sys_tags links); done
> for i in /sys/conf /sys/kern /sys/net /sys/netatalk /sys/netatm
> /sys/netinet /sys/netinet6 /sys/netipsec /sys/netipx /sys/netnatm
> /sys/nfs /sys/pci /sys/vm /sys/sys; do (cd $i && { rm -f tags; ln
> -s ../i386/tags tags; }) done
> for i in /sys/dev/advansys /sys/dev/aha /sys/dev/aic7xxx
> /sys/dev/buslogic /sys/dev/ccd /sys/dev/dec /sys/dev/dpt
> /sys/dev/en /sys/dev/hea /sys/dev/hfa /sys/dev/iicbus /sys/dev/isp
> /sys/dev/pdq /sys/dev/ppbus /sys/dev/smbus /sys/dev/vn
> /sys/dev/vx /sys/fs/deadfs /sys/fs/devfs /sys/fs/fdescfs
> /sys/fs/fifofs /sys/fs/msdosfs /sys/fs/nullfs /sys/fs/portalfs
> /sys/fs/procfs /sys
> /fs/specfs /sys/fs/unionfs /sys/fs/cd9660 /sys/ufs/ffs
> /sys/ufs/ufs; do (cd $i && { rm -f tags; ln -s ../../i386/tags tags;
> }) done
> cd: can't cd to /sys/dev/ccd
> cd: can't cd to /sys/dev/dec
> cd: can't cd to /sys/dev/hea
> cd: can't cd to /sys/dev/vn
> cd: can't cd to /sys/fs/specfs
> for i in apm i386 ibcs2 include isa linux; do (cd $i && { rm -f tags;
> ln -s ../tags tags; }) done
> cd: can't cd to apm
>
> I moved that two files from src and could complete build kernel
> without errors, so it
> seems they are not referenced by any kernel building tools.
>
> Yes, there is tags target in src/Makefile, I didn't looked too much
> how it interacts with Makefile Make.tags.inc, but by their erroneous
> paths I doubt there is any interaction.
>
> I found this in NetBSD's kern/Makefile:
> +# XXX
> +# [Note by Perry Metzger, Sept. 1998]
> +# As it stands, the tags support below is hopelessly
> +# broken. Just look at the names of the architectures it is dealing
> +# with and where it expects to find the support for them to see why.
> +# I've left the stuff in this Makefile alone in the hope that someone
> +# will fix it someday -- I am assuming that it might help that
> +# person if they have the old Makefile goo left in place as a starting
> +# point.
> +# XXX
>
> ps. BTW I tried to make tags from src/ (with clean obj, if that
> matters) and the target
> began to build my gcc (cc/cc_tools) after going through various world paths.
> Is that intended?
> %%%
Oh, this is great thing to axe then...
Regards,
--
Rui Paulo
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