* pkg-config 0.21 (or later).
+ * gperf 3.0.1 (or later).
+
* Gnulib, from CVS (see http://savannah.gnu.org/cvs/?group=gnulib).
Note that Gnulib does not require any form of installation:
- simply checking it out into a directory is sufficient.
+ simply checking it out into a directory is sufficient. We
+ recommend checking out gnulib into a directory named `gnulib'
+ at the same level as PSPP.
* libtool 1.5.22 (or later).