make install-missing-packages
Example 2: Installing Dependencies with pkg(8)
The following example shows how to build and install a port without
having to build its dependencies. Instead, the dependencies are
downloaded via pkg(8).
# make install-missing-packages
# make install
It is especially useful, when the dependencies are costly in time and
resources to build (like lang/rust). The drawback is that pkg(8)
offers only packages built with the default set of OPTIONS.
I agree, but the example is more illustrative than a (sole) succinct mention in the target section would have been (it probably deserves to be mentioned there as well). My guess it that a good samaritan has taken the effort to insert this fine example to alleviate user build problems when a lot of dependencies are at play.edit: strangely, it's not listed in the targets sections of the man page.
install-missing-packages
) is to be found at bsd.port.mk or at your local /usr/ports/Mk/bsd.port.mk