Support moments

[pspp-builds.git] / README

diff --git a/README b/README
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@@ -6,6 +6,42 @@ PSPP development is ongoing. It already supports a large subset of
 SPSS's transformation language.  Its statistical procedure support is
 currently limited, but growing.
 
+Instructions for installation are in INSTALL.  Before you install
+PSPP, you will need to install certain prerequisites:
+
+    * An ANSI C compiler and tool chain.
+
+    * The GNU Scientific Library (libgsl), version 1.6 or later,
+      including libgslcblas included with GSL.
+
+    * Perl, version 5.005_03 or later.  (Perl is required during build
+      but not after installation.)
+
+    * pkg-config (only if you need to regenerate configure after
+      modifying configure.ac).
+
+    * iconv, which should be installed as part of a Unix-like system.
+      If you don't have a version already, you can install GNU
+      libiconv (http://www.gnu.org/software/libiconv/).
+
+    * Optional: libncurses.  Without it, PSPP will assume it is
+      running in an 80x25 terminal.
+
+    * Optional: libreadline and libhistory.  Without them, interactive
+      command editing and history features will be disabled.
+
+    * Optional: libplot (from GNU plotutils).  Without it,
+      graphing features will not work.  If you do not have it
+      installed, you must run `configure' with --without-libplot.
+
+    * Optional: GTK+ version 2.6.0 or later, plus libglade 2.0 or
+      later.  Without them, the GUI will not be built.  If you do not
+      have these installed, you must run `configure' with
+      --without-gui.
+
+    * Optional: Texinfo 4.7 or later, if you want to build the
+      documentation in PostScript or PDF format.
+
 For information on differences from previous versions, please see file
 NEWS.  Full documentation on PSPP's language can be found in the doc/
 directory.