Re: Question regarding alias expansion..

[Sam Ravnborg]

On Mon, Aug 04, 2008 at 09:39:18AM -0700, Rick Flower wrote:
> Hi all...
> 
> I'm trying to update a build environment that currently uses a perl script
> that expands certain keywords into specific command line args to GNU
> Make.. I'm trying to get rid of this script while keeping the same
> look-n-feel that people are used to.. So, below is what I'd like to be
> able to do but can't seem to find a way to make it work w/ Make.. Keep in
> mind that the sample below is simplified in nature and that we've got a
> handful of these sort of command aliases..
> 
> old perl script:
>  % pmake release target=sun
> --> expanded to the following Make command
>  % make debug=off asserts=off target=sun
> 
> what I'd like to see Make handle:
>  % make release target=sun
> 
> Unfortunately, I can't seem to find a way to get Make to convert 'release'
> into a set of predefined (canned) variables that then control the make
> operation.. I've tried using 'define' but everything enclosed in the
> 'define' seems to set my variables when I don't want them set.. I also
> toyed around with target specific variables too as that seemed close to
> what I was looking for -- unfortunately, it didn't seem to work for my
> sample test.. Any ideas on how to go about this?

Untested but you get the idea:

ifneq ($(filter release,$(MAKECMDGOALS)),)
    MY_VAR := 1
    MY_OTHER_VAR := 2
endif

        Sam