%% William Ahern <[EMAIL PROTECTED]> writes: wa> Using 3.81beta3, it seems that one of our pattern rules wa> CFLAGS_$(d) := -DFOO
wa> $(d)/%.o: $(d)/%.c -lfoo -lbar wa> $(CC) $(CFLAGS_$(@D)) ... wa> is dropped without notice when -lbar is not found. Note that wa> LIBPATTERNS is nullified, and -lfoo and -lbar are explicit wa> .INTERMEDIATE targets (or are supposed to be when they're wa> present). wa> Then, the default %.o: %.c rule matches, but cannot properly wa> compile the source because of missing CFLAGS. wa> This seems like a bug, because there is absolsutely no notice that wa> the rule was dropped or the dependency could not be found. Maybe wa> this issue rises from LIBPATTERNS code, and thus slips thru the wa> cracks. wa> I've moved a HUGE source tree over to a non-recursive make model. wa> Fortunately this is the only bug we've hit so far, IIRC. wa> I've debugged and debugged. Rest assured that $(d) is defined wa> correctly, etc, etc. The only way to trigger it is to remove the wa> rule definition for -lbar. I'm not exactly sure what you want make to do here. As far as I can understand from your explanation, the pattern rule wasn't dropped. Rather, a pattern rule matches only if all the prerequisites either exist or can be created. If one or more don't, then the pattern rule doesn't match and make looks for another pattern rule that does work. If one of the prerequisites is an explicit file (not a pattern) then that file still has to either exist or be creatable by make. Make doesn't report every pattern rule that does not match; that would generate a LOT of useless output. If you use -d you should see it try and discard that pattern because -lbar doesn't exist and make doesn't know how to create it. -- ------------------------------------------------------------------------------- Paul D. Smith <[EMAIL PROTECTED]> Find some GNU make tips at: http://www.gnu.org http://make.paulandlesley.org "Please remain calm...I may be mad, but I am a professional." --Mad Scientist _______________________________________________ Bug-make mailing list Bug-make@gnu.org http://lists.gnu.org/mailman/listinfo/bug-make
