[OE-core] some simple questions about assignment and appending
Robert P. J. Day
rpjday at crashcourse.ca
Tue Jun 19 20:49:18 UTC 2012
On Tue, 19 Jun 2012, Paul Eggleton wrote:
> On Tuesday 19 June 2012 12:28:22 Robert P. J. Day wrote:
> > finally, what are the evaluation mechanics of the "?=" operator?
> ?= is the same as = except that it only sets the value if it is not
> already set at the time the line is parsed.
just so i don't come across as a total idiot, i did understand that
"?=" is a conditional assignment -- my question was whether it had
immediate evaluation semantics like ":=" or delayed evaluation
semantics like "=", and you appear to have answered that. thanks.
Robert P. J. Day Ottawa, Ontario, CANADA
More information about the Openembedded-core