> > If I had to guess, this borks anything but gmake. Test for that.
I had asked on #asf about this and somebody (I forget who) said that the make manpage on minortaur (some bsd variant) supports ?= as well. from looking at that it seems to be the manpage for pmake, which I guess is some other make variant. so limiting it to gmake at least would seem to wipe out bsd folks. a little digging on my own at the time made it seem like solaris make is really gmake, so between linux, solaris, and bsd a decent case was being made that most unix make variants to support the syntax. of course, that list of 3 was hardly exhaustive :) anyway, this just isn't my area, so I'm happy to defer to others that grok all this SA-type stuff. but if most unix-variants support ?=, or if there is another more universal way to work around the issue, I would hate to see the correct behavior only for unix people using gmake. --Geoff
