+ * libxml2 (http://xmlsoft.org/).
+
+ * metainfo.its, provided by the appstream package. This is required
+ by xgettext version lower then 0.20 to extract the translation
+ strings from the org.fsf.pspp.metainfo.xml.in file. This is only
+ required for building. It is not a runtime requirement.
+
+The following packages are required to enable PSPP's graphing
+features. If you cannot arrange to install them, you must run
+`configure' with --without-cairo (in which case you will get no graphing
+capability).
+
+ * Cairo (http://cairographics.org/), version 1.12 or later.
+
+ * Pango (http://www.pango.org/), version 1.22 or later.
+
+The following packages are required to enable PSPPIRE, the graphical
+user interface for PSPP. If you cannot install them or do not wish to
+use the GUI, you must run `configure' with --without-gui.
+
+ * pkg-config (http://pkg-config.freedesktop.org/wiki/). Versions
+ 0.18 and 0.19 have a bug that will prevent library detection,
+ but other versions should be fine.
+
+ * GTK+ (http://www.gtk.org/), version 3.22.0 or later.
+
+ * GtkSourceView (http://projects.gnome.org/gtksourceview/)
+ version 3.4.0 or later.
+
+ * GNU Spread Sheet Widget (http://www.gnu.org/software/ssw)
+ version 0.7 or later.
+
+The following packages are optional:
+
+Other optional packages:
+
+ * libreadline and libhistory
+ (http://tiswww.case.edu/php/chet/readline/rltop.html). Without
+ them, interactive command editing and history features in the
+ text-based user interface will be disabled.
+
+ * Texinfo (http://www.gnu.org/software/texinfo/), version 4.7 or
+ later. Installing Texinfo will allow you to build PSPP
+ documentation in PostScript or PDF format.
+
+ * libpq, from Postgresql (http://postgresql.org). This enables PSPP
+ to read Postgresql databases. The tests for the Postgresql
+ interface, but not the Postgresql interface itself, requires the
+ Postgresql server to be installed.
+
+ * The Text::Diff module for Perl (http://cpan.org). This enables
+ PSPP to test the Perl module more thoroughly. It is not needed
+ to build or use the Perl module.
+
+ * librsvg enables 300 dpi copy and paste operation. Without librsvg
+ the copy action will only provide images with default resolution
+ which is often 96dpi. This only affects bitmap image formats.