On Saturday 28 January 2006 15:50, Morten Gulbrandsen wrote:
>
> make -v
> GNU Make 3.80
> Copyright (C) 2002 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.
> There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
> PARTICULAR PURPOSE.
>
>
>
> make
> cc -c -o helloworld.o helloworld.c
> cc -o helloworld helloworld.o
>
>
>
> ####### Unexpected result #####$
>
> according to the manual
>
> http://www.gnu.org/software/make/manual/html_chapter/make_3.html#SEC13
>
> then you would expect to see this output:
>
>
>
> name1 = Makefile
> name2 = inc.mk
>
>
> cat inc.mk
> helloworld: helloworld.o
> cc -o $@ $<
>
> helloworld.o: helloworld.c
> cc -c -o $@ $<
>
> .PHONY: clean
> clean:
> -rm -f helloworld helloworld.o
>
>
> cat Makefile
> name1 := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
>
> include inc.mk
>
> name2 := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
>
> all:
> @echo name1 = $(name1)
> @echo name2 = $(name2)
>
>
>
> what can I do ?
>
> Am I doing something wrong or is the manual
> not up to date ?
>
>
Your include file, inc.mk contains targets. When you run make without
out explicit targets, the first target (implicit target) in your make
file is used. In this case, the first target due to the include
statement is helloworld. If you create an empty inc.mk or explicitly
call the "all" target, ("make all") then the code will work as you
might have expected.
--Eric
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