-packaging system calls these. If your system has both a foo and a
-foo-devel package, install them both.
+packaging system calls these. If your system uses the convention of
+splitting files needed to run programs compiled with foo and files
+needed to do the compilation into packages named foo and foo-devel,
+install both packages. (Most GNU/Linux systems are like this, but
+pkgsrc is not and instead uses -devel to indicate a package of a
+not-yet-released or unstable version.)
+
+For those using pkgsrc, see gnuradio-pkg_chk.conf. Those not using
+pkgsrc may also find the list useful.