diff --git a/ChangeLog b/ChangeLog
index 7279197ee..d67e7efa4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-06-03  Colin Watson  <cjwatson@ubuntu.com>
+
+	* INSTALL: Document several build requirements for optional features
+	(libdevmapper, ncurses, libusb, SDL, FreeType, GNU Unifont).
+
 2010-06-02  Grégoire Sutre  <gregoire.sutre@gmail.com>
 
 	* kern/emu/hostdisk.c (convert_system_partition_to_system_disk)
diff --git a/INSTALL b/INSTALL
index 7186d20db..44a442253 100644
--- a/INSTALL
+++ b/INSTALL
@@ -19,6 +19,21 @@ configuring the GRUB.
 * Flex 2.5.35 or later
 * Other standard GNU/Unix tools
 
+On GNU/Linux, you also need:
+
+* libdevmapper (recommended)
+
+To build grub-emu, you need:
+
+* ncurses
+* libusb (recommended)
+* SDL (recommended)
+
+To build GRUB's graphical terminal (gfxterm), you need:
+
+* FreeType 2 or later
+* GNU Unifont
+
 If you use a development snapshot or want to hack on GRUB you may
 need the following.