On Sun, May 3, 2009 at 6:03 PM, Peng Yu <pengyu...@gmail.com> wrote:
> Thank you for your reply. But what you pointed to me is not exactly
> what I am looking for.
>
> I want the path of the directory where the Makefile is in.
>
> make -f some_makefile_in_another_directory
>
> If I use the above command, $CURDIR will not be the directory where
> `some_makefile_in_another_directory' is in.
Ah, I see.
First of all, section 3.5 we see a description of the MAKEFILE_LIST
variable and how, at the start of a makefile, $(lastword
$(MAKEFILE_LIST)) is the name of the makefile.
Next, as search for 'absolute' turns up section 8.3, where we find this:
`$(realpath NAMES...)'
For each file name in NAMES return the canonical absolute name. A
canonical name does not contain any `.' or `..' components, nor
any repeated path separators (`/') or symlinks. In case of a
failure the empty string is returned. Consult the `realpath(3)'
documentation for a list of possible failure causes.
So: $(realpath $(lastword $(MAKEFILE_LIST)))
Make sense?
Philip Guenther
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