On Sat, 22 Dec 2007, Dave Korn wrote: > On 21 December 2007 21:55, Robert P. J. Day wrote: > > > is there any problem with invoking $(call fred) if "fred" hasn't > > been defined? that is, is "call" defined to just quietly pass over > > that and keep going? thanks. > > No problem at all, and yes, if you call an undefined variable, it expands to > nothing - which of course is then unchanged by applying the arguments since it > doesn't contain any $(1) etc. You'll get a warning message if you've used > "--warn-undefined-variables" on the command line. > > cheers, > DaveK
i suspected as much, i was just curious if it was a standard make technique to do that sort of thing. thanks. rday -- ======================================================================== Robert P. J. Day Linux Consulting, Training and Annoying Kernel Pedantry Waterloo, Ontario, CANADA http://crashcourse.ca ======================================================================== _______________________________________________ Help-make mailing list [email protected] http://lists.gnu.org/mailman/listinfo/help-make
