Phil,

On Wed, Nov 22, 2006 at 12:56:28PM +0100, Philip J. Mucci wrote:
> In long:
> 
> http://www.gnu.org/prep/standards/html_node/DESTDIR.html
> 
> In short:
> 
> This is for support of Gentoo, Debian and RPM packaging suites, which
> often build for a specific prefix, but stage the installation in a
> secondary location. That location in DESTDIR.
> 
> DESTDIR is never referenced in a rule...it is purely an install time
> metric.
> 
> This is very useful (and most important) for building root filesystems
> for cross compilation environments. (where you want to install
> in /newroot but you want prefix to be /usr)
> 
> Does this help?
> 
Yes. Now I can see the usage for most of these except maybe for DATADIR
which is in the Makefile but not used anywhere inside pfmon.

--
-Stephane
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