Re: ifeq and friends directives

[Oleksandr Gavenko]

11.08.2011 7:44, Paul Smith пишет:
> On Wed, 2011-08-10 at 23:17 -0400, Jeffrey Walton wrote:
> > Hi All,
> >
> > Is it possible? Or do I need to keep the test limited to one expression?
> >
> > // Extraneous text after `ifeq' directive
> > ifeq ($(MAKECMDGOALS),codec) || ($(MAKECMDGOALS),codecs)
> >    WANT_DEBUG := 1
> > endif
> >
> > // Extraneous text after `ifeq' directive
> > ifeq ($(MAKECMDGOALS),codec) || ifeq ($(MAKECMDGOALS),codecs)
> >    WANT_DEBUG := 1
> > endif
>
> If you have a sufficiently modern GNU make (3.81 or better) you can use
> the $(and ...) and $(or ...) functions.  See the manual.
>
> However, for the particular situation you show above, you can use
> $(filter ...) just as easily.
For another techniques refer to "GNU Make Standard Library"

http://gmsl.sourceforge.net/

--
С уважением, Александр Гавенко.