Which gmake will be used on your Solaris? % make show-var VARNAME=3DGMAKE (and its version with --version)
It's from devel/gmake: $ gmake --version GNU Make 3.82 -- Jörn Clausen joern.clausen%uni-bielefeld.de@localhost Hochschulrechenzentrum http://www.uni-bielefeld.de/hrz/ Universität Bielefeld