add mention of libtool requirement

diff --git a/doc/build.html b/doc/build.html
index 155b0f3d12a9b8f4747e0ed03562a249eeb07963..811c52c14d799e5f8526c2ff159a71ba1a49144c 100644 (file)
--- a/doc/build.html
+++ b/doc/build.html
@@ -45,6 +45,10 @@ http://ftp.gnu.org/gnu/libiconv/libiconv-1.8.tar.gz</a>
 <li>TCL (a command interpreter for the tcldot GUI)
 <a href="http://prdownloads.sourceforge.net/tcl/tcl8.3.5-src.tar.gz">
 http://prdownloads.sourceforge.net/tcl/tcl8.3.5-src.tar.gz</a>
+<li>LIBTOOL (generic library support)
+<a href="ftp://ftp.gnu.org/pub/gnu/libtool/libtool-1.5.22.tar.gz">
+ftp://ftp.gnu.org/pub/gnu/libtool/libtool-1.5.22.tar.gz
+</a>
 </ul>
 <P>
 These libraries (either static or dynamic) and their