Date: Fri, 2 Dec 2005 06:41:03 -0800 (PST) From: Doug Ambrisko <ambrisko@ambrisko.com> To: Ruslan Ermilov <ru@FreeBSD.org> Cc: Doug Ambrisko <ambrisko@FreeBSD.org>, src-committers@FreeBSD.org, cvs-all@FreeBSD.org, cvs-src@FreeBSD.org Subject: Re: cvs commit: src Makefile.inc1 src/lib/libc/gen __xuname.c getosreldate.c Message-ID: <200512021441.jB2Ef3gj075082@ambrisko.com> In-Reply-To: <20051202075945.GQ20961@ip.net.ua>
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Ruslan Ermilov writes: | 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@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. Yep, I'll steal the section from uname. One thing that bothers me a little is that uname(1) should just use uname(3) to get stuff instead of sysctl. There might be a reason for it to not use uname(3) but I can't see it. Doug A.
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