Date: Tue, 28 Aug 2001 11:30:57 -0700 (PDT) From: Matt Dillon <dillon@earth.backplane.com> To: freebsd-current@FreeBSD.ORG Subject: Addendum to recommended dev/test env for -current Message-ID: <200108281830.f7SIUvS34660@earth.backplane.com>
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Oh, two addendums.
/FreeBSD in my example is a big parition on my -stable box, not sitting
on the root partition obviously. I recommend at least 3 GB. In my
case I actually have the CVS tree itself, a broken-out -current
source tree, a broken-out -stable source tree, NetBSD tree, etc... on it.
It's a great place to put source trees that I want to NFS export. If
you intend to use it in that manner I'd make the parition even larger -
at least 6G.
Also, for NFS-based development to work the *absolute path* to the
-current source must be the same on the -stable machine as it is on
the -current machine. Hence in my case, /FreeBSD is a real partition
on my -stable machine (not a softlink) and I mount it was /FreeBSD on
the current machine. Using softlinks to glue things together probably
will not work, because the buildworld/buildkernel system uses the
absolute path 'pwd' of the actual source directory to determine how to
build/access the object directory structure.
On my -stable box, this is what my development topology looks like:
apollo:/FreeBSD> l
FreeBSD-3.x/ NetBSD/ initmach.sh
FreeBSD-4.x/ bench/
FreeBSD-CVS/ diff.mfs
FreeBSD-current/ diff.mkfs
apollo:/FreeBSD> ls -la /usr/src
lrwxr-xr-x 1 root wheel 24 May 28 04:03 /usr/src -> /FreeBSD/FreeBSD-4.4
(to compile -current I manually cd into /FreeBSD/FreeBSD-current/src)
I usually break ports out via CVS too, so I in fact do not export
/usr/ports but instead make it a softlink into /FreeBSD/... But most
people just cvsup /usr/ports directly.
/FreeBSD/FreeBSD-4.x/... is, of course, a cvs checkout of the RELENG_4
tag. FreeBSD-3.x/ is of course the RELENG_3 tag, and -current is of
course the HEAD branch.
I also keep handy-dandy scripts in /FreeBSD, like 'initmach.sh', which
initializes a machine from scratch, and benchmarks and stuff.
apollo:/usr> ls -la ports
lrwxr-xr-x 1 root wheel 30 May 28 04:03 ports -> /FreeBSD/FreeBSD-current/ports
On my -current box the softlink look like this (with /FreeBSD mounted via
a read-only NFS mount):
test3:/home/dillon> cd /usr
test3:/usr> ls -la src
lrwxr-xr-x 1 root wheel 28 Aug 5 18:15 src -> /FreeBSD/FreeBSD-current/src
-Matt
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