work.
@item @uref{http://www.gnu.org/software/guile/guile.html,GUILE}
-(version 1.6.7 or newer). If you are installing binary packages, you
+(version 1.8.2 or newer). If you are installing binary packages, you
may need to install guile-devel or guile-dev or libguile-dev too.
@item @uref{ftp://ftp.gnu.org/gnu/texinfo/,Texinfo} (version 4.8 or newer).
@item @uref{http://www.freetype.org/,FontConfig} (version 2.2).
@item @uref{http://www.pango.org/,Pango} (version 1.12 or newer).
@item @uref{http://www.gnu.org/software/guile/guile.html,GUILE}
-(version 1.8.0 or newer).
+(version 1.8.2 or newer), or patch 1.8.x with
+@uref{http://lilypond.org/vc/gub.darcs/patches/guile-1.8-rational.patch}.
@item @uref{http://www.python.org,Python} (version 2.4 or newer).
@item @uref{http://www.ghostscript.com,Ghostscript} (version 8.15 or
newer. 8.50 recommended)