> On Thu, 2020-05-21 at 16:36 +0900, Masahiro Yamada wrote:
> > Is there an elegant way to cancel
> > a command line argument?
> > https://www.gnu.org/software/make/manual/make.html#Override-Directive > >
> > explains how to override command arguments,
> > but it works only in the current Makefile.
> The handling of passing content down to recursive make is discussed in
> this section of the manual:
> https://www.gnu.org/software/make/manual/html_node/Options_002fRecursion.html >
> Here you will discover that overridden variables are contained in the
> make variable MAKEOVERRIDES.
> Since later settings of variables take precedence over earlier
> settings, if you want to change them you simply need to add the new
> setting like so:
> # This cancels FOO only in this Makefile
> override FOO=
> # This resets FOO for recursive invocations
> MAKEOVERRIDES += FOO=$(FOO)