-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.
+
+(0) GNU make
+
+It used to be required to have a "reasonable make", meaning GNU make,
+BSD make, or perhaps Solaris make. It is now required to use GNU
+make. Version 3.81 should certainly work; the intent is not to
+require the bleeding edge.