cvs commit: src Makefile.inc1 src/lib/libc/gen __xuname.c getosreldate.c

[Ruslan Ermilov]

Hi Doug,

On Fri, Dec 02, 2005 at 12:50:30AM +0000, Doug Ambrisko wrote:
> ambrisko    2005-12-02 00:50:30 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:
>     .                    Makefile.inc1 
>     lib/libc/gen         __xuname.c getosreldate.c 
>   Log:
>   Add support to easily build FreeBSD unpacked in a chroot of another
>   FreeBSD machine.  To do this add the man 1 uname changes to __xuname.c
>   so we can override the settings it reports.  Add OSVERSION override
>   to getosreldate.  Finally which Makefile.inc1 to use uname -m instead
>   of  sysctl -n hw.machine_arch to get the arch. type.
>   
>   With these change you can put a complete FreeBSD OS image into a
>   chroot set:
>           UNAME_s=FreeBSD
>           UNAME_r=4.7-RELEASE
>           UNAME_v="FreeBSD $UNAME_r #1: Fri Jul 22 20:32:52 PDT 2005 fake at fake:/usr/obj/usr/src/sys/FAKE"
>           UNAME_m=i386
>           UNAME_p=i386
>           OSVERSION=470000
>   on an amd64 or i386 and it just work including building ports and using
>   pkg_add -r etc.  The caveat for this example is that these patches
>   have to be applied to FreeBSD 4.7 and the uname(1) changes need to
>   be merged.  This also addresses issue with libtool.
>   
>   This is usefull for when a build machine has been trashed for an
>   old release and we want to do a build on a new machine that FreeBSD
>   4.7 won't run on ...
>   
>   Revision  Changes    Path
>   1.525     +1 -1      src/Makefile.inc1
>   1.10      +8 -0      src/lib/libc/gen/__xuname.c
>   1.8       +5 -0      src/lib/libc/gen/getosreldate.c
> 
Please document these changes in ENVIRONMENT sections of uname(3) and
getosreldate(3) manpages, similarly to how this is documented in the
uname(1) manpage.


Cheers,
-- 
Ruslan Ermilov
ru at FreeBSD.org
FreeBSD committer
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