Nathan Straz <[EMAIL PROTECTED]> writes:
> I have a makefile like this:
> ------------------------------
> $(LIBBAR): ../lib/libbar.a
> $(MAKE) -C ../lib libbar.a
> $(LIBFAR): ../lib/libfar.a
> $(MAKE) -C ../lib libfar.a
>
> LIBS_foo := $(LIBBAR)
> LIBS_boo := $(LIBFAR)
>
> %: %.c $(LIBS_%)
> $(CC) -o $@ $< $(CFLAGS) $(LDFLAGS) $(LIBS_$@)
> ------------------------------
You cannot do (at least not in mainline GNU make):
%: %.c $(LIBS_%)
The $(LIBS_%) expansion happens when makefile is read and stem (%)
substitution happens later when the rule is tried.
> Can this be done with pattern rules?
Why don't you just tell make directly what you want:
foo: $(LIBBAR)
boo: $(LIBFAR)
%: %.c
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^
-boris
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