Defining Make Variables from the Command Line

[Emil A Eklund]

Use the -D switch, for instance
make -DWITHOUT_X11 install clean

or set it to a specific value (which in effect will also define it)
make WITHOUT_X11=1 install clean


/Emil A Eklund (emil at eae.net)


----- Original Message ----- 
From: "Martin McCormick" <martin at dc.cis.okstate.edu>
To: <freebsd-questions at freebsd.org>
Sent: Wednesday, August 18, 2004 17:18
Subject: Defining Make Variables from the Command Line


> What is the correct command line syntax for "defining" a
> variable to the Makefile?
>
> The expect port will make either with or without X11 support.
> I want it without X11 and there is an ifdefine WITHOUT_X11 test in the
> Makefile.  My only problem is I remember that it can be done, but I
> don't remember the exact syntax.  Sometimes, if you get those wrong,
> make still works but you get the build you didn't want.   Thank you.
>
> Martin McCormick WB5AGZ  Stillwater, OK
> OSU Information Technology Division Network Operations Group
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