Please consider this short makefile:
#--------------------------------------------------
obj = $(wildcard *.o)
define fubar
$(1).out : $$(obj)
@echo Linking $$@
endef
$(foreach case,a b c d,$(eval $(call fubar,$(case))))
#--------------------------------------------------
When there are only a few .o files everything runs fine. However if the
number of .o files is above certain limit then weird things happen. For
instance try
$ touch {0,1,2,3}{0,1,2,3,4,5,6,7,8,9}.o
$ make a.out
(you may need to generate more .o files depending on your system).
I tried this with GNU Make 3.80, on Cywgin (cygwin.dll 1.5.18-1) and
the error was:
make: *** virtual memory exhausted. Stop.
Also on another Linux system (2.4.21-sgi230rp03111013_10029) the error was:
make:7: *** multiple target patterns. Stop.
For some other make file with similar constructs I got (on the Linux system)
Makefile:82: *** target pattern contains no `%'. Stop.
Why is this happening?
thanks
- sly
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