On 07/27/2015 05:44 PM, Larry Evans wrote:
[snip]
>
> The attached Makefile summarizes methods tried and the reason
> they failed or succeeded. The last method, the one with
> target=compiles.def, uses define..endef and succeeds.
>
> -regards,
> Larry
Further simplification is gotten by avoiding phony targets,
compile.$(1), in define..endef:
--{--cut here--
COMPILE.gcc=g++ -c
COMPILE.clang=clang -c
MAIN=test
COMPILERS=gcc clang
#The following does work by duplicating code
#for each compiler using define...endef:
define COMPILE.MAIN
$(MAIN).$(1).o: $(MAIN).cpp
$$(COMPILE.$(1)) -c $(MAIN).cpp -o $$@
endef
$(foreach compiler, $(COMPILERS),$(eval $(call COMPILE.MAIN,$(compiler))))
compiles.def: $(COMPILERS:%=$(MAIN).%.o)
--}--cut here--
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