Re: variable value lost with "include" directive

[Philip Guenther]

On 10/6/06, Aditya Kher <address@hidden> wrote:
> I am having something like below:
>
> $pwd/Makefile:
>
> VPATH:= ./foo:./boo
> include ../../bin/Makefile
>
>
> and in ../../bin/Makefile:
>
> VPATH+=../include
>
> target1:include_file1 file_from_directory_foo file_from_directory_boo
> <TAB>gcc $^
>
>
> When I attempt running in $pwd
>
> %gmake target_1
>
> It complains about include_file not found.
> I suspect this is beacuse the value of VPATH is not carried through
> when I include another Makefile

No, they're carried through.  You can verify this by adding this line
to ../../bin/Makefile right after the VPATH appending:

$(warning VPATH=${VPATH})


> Am I missing something?

Is the '../include' directory relative to the directory in which you
invoked gmake?  If not, that's your problem.  'include' does not
change the base directory from which make interprets relative paths.


Philip Guenther