No subject

{{{
# use the qt4 group; set 'building_qt4' so that the portgroup
# does not include certain parts
set building_qt4    1
}}}
This variable is designed just for the purpose you need for qt4-mac; it
would not be difficult to add to qt5-mac if it is not already in place.
There's probably a better way to do this, but using a simple variable is
quick and simple. - MLD

On Sun, Jan 11, 2015, at 08:53 AM, Ren=E9 J.V. Bertin wrote:
> I see MacPorts provides a set of keywords to add or delete env. variables
> to or from specific phases. Is there a (Tcl) command one can use to set
> or unset variables at an appropriate point so it's defined (or missing)
> appropriately for all subsequent steps?
>=20
> If not, can one use *.env-delete to unset a variable without knowing its
> value?
>=20
> Case at hand: I want to make sure QTDIR is not defined when configuring
> and building (etc) port:qt*-mac .