How to indicate source directory in other than /usr/src?
gmx at ross.cx
Tue May 29 14:40:13 UTC 2012
Am 29.05.2012, 12:10 Uhr, schrieb Thomas Mueller <mueller23 at insightbb.com>:
> How does one indicate a system source directory location when in other
> than /usr/src?
> That could be necessary when in another directory, for instance running
> Or one could be building FreeBSD for a USB stick and want to do the
> heavy work on a hard drive; I could also want to build and install ports
> on the USB stick but do the heavy work on the hard drive.
> I couldn't find a variable named SRCDIR anywhere in the documentation,
> in contrast to PORTSDIR, which I did find.
> I may also want to build 10-CURRENT from 9-STABLE system without giving
> up the 9-STABLE source tree; I would need both source trees, but then
> after the first successful build of 10-CURRENT, I could use that to
> build updated versions.
I often use nullfs for this kind of thing:
mount -t nullfs /where/your/sources/are /usr/src
mount -t nullfs /some/dir/for/objects /usr/obj
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