On Tue, Nov 06, 2007 at 09:57:03PM +0100, Petar Bogdanovic wrote:
> On Sun, Nov 04, 2007 at 11:01:57PM +0100, Petar Bogdanovic wrote:
> > Hi,
> > 
> > the GNU-make syntax of exporting make-variables to a submake or a
> > subshell looks like:
> > 
> > 	export variable = value
> > 
> > or
> > 
> > 	variable = value
> > 	export variable
> > 
> > 
> > Is something similar possible with NetBSD make?
> 
> Somebody just pointed this out (man make):
> 
>      variable=value
>              Set the value of the variable variable to value.  Normally, all
>              values passed on the command line are also exported to sub-makes
>              in the environment.  The -X flag disables this behavior.  Vari-
>              able assignments should follow options for POSIX compatibility
>              but no ordering is enforced.
> 
> 
> That doesn't seem to be valid for the environment of subshells, but
> one apparently could do something like this:
> 
> 	$ cat makefile
> 	show:
> 		@./s.sh
> 	$ cat s.sh
> 	#!/bin/sh
> 	echo MYVAR: ${MYVAR-unset}
> 	$ make -f makefile
> 	MYVAR: unset
> 	$ make -f makefile MYVAR=test
> 	MYVAR: test


Eh, this was pretty inconsistent.

If you want to export a variable to a sub-(make|shell) in bmake you can
pass it on the command line or `.export' it with a newer bmake.

End of my lame monologue. ;)