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-rw-r--r--doc/manual/installation.xml7
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/manual/installation.xml b/doc/manual/installation.xml
index bc5e21f0d39a..87a6c446a2d5 100644
--- a/doc/manual/installation.xml
+++ b/doc/manual/installation.xml
@@ -105,6 +105,13 @@ this packages.  Alternatively, if you already have it installed, you
 can use <command>configure</command>'s <option>--with-bzip2</option>
 options to point to their respective locations.</para>
 
+<para>Nix can optionally use the <link
+xlink:href="http://www.hpl.hp.com/personal/Hans_Boehm/gc/">Boehm
+garbage collector</link> to reduce the evaluator’s memory consumption.
+To enable it, install <literal>pkgconfig</literal> and the Boehm
+garbage collector, and pass the flag <option>--enable-gc</option> to
+<command>configure</command>.</para>
+
 </section>