Mostly adding suffixes.

Last hunks: patch to work with the older version of texinfo that we have
in base (we don't want automake to depend on too many other ports..);
the second is @geq which isn't supported in older texinfo, and others
are avoid cross-reference without empty first argument.

Index: doc/automake.texi
--- doc/automake.texi.orig
+++ doc/automake.texi
@@ -1,7 +1,8 @@
 \input texinfo   @c -*-texinfo-*-
 @c %**start of header
-@setfilename automake.info
-@settitle automake
+@setfilename automake-1.17.info
+@dircategory Programming & development tools
+@settitle automake-1.17
 @documentencoding UTF-8
 @documentlanguage en
 @setchapternewpage off
@@ -40,13 +41,13 @@ section entitled ``GNU Free Documentation License.''
 
 @dircategory Software development
 @direntry
-* Automake: (automake).         Making GNU standards-compliant Makefiles.
+* automake-1.17: (automake-1.17).         Making GNU standards-compliant Makefiles.
 @end direntry
 
 @dircategory Individual utilities
 @direntry
-* aclocal-invocation: (automake)aclocal Invocation.   Generating aclocal.m4.
-* automake-invocation: (automake)automake Invocation. Generating Makefile.in.
+* aclocal-1.17: (automake-1.17)aclocal Invocation.   Generating aclocal.m4.
+* automake-1.17: (automake-1.17)automake Invocation. Generating Makefile.in.
 @end direntry
 
 @titlepage
@@ -1599,15 +1600,15 @@ curious: the basic idea is to run:
 
 @enumerate
 @item @command{aclocal} (@pxref{aclocal Invocation}),
-@item @command{autoconf} (@pxref{,,,autoconf, The Autoconf Manual}),
+@item @command{autoconf} (@pxref{Top,,,autoconf, The Autoconf Manual}),
 @item (if needed) @command{autoheader} (part of the
 Autoconf distribution), and
 @item @command{automake} (@pxref{automake Invocation}).
 @end enumerate
 
 @noindent
-If needed, tools related to Gettext (@pxref{,,,gettext, GNU gettext
-utilities}) and Libtool (@pxref{,,,libtool, The Libtool Manual}) are also
+If needed, tools related to Gettext (@pxref{Top,,,gettext, GNU gettext
+utilities}) and Libtool (@pxref{Top,,,libtool, The Libtool Manual}) are also
 invoked at different points.  Thus, as you can see, using
 @command{autoreconf} is quite a bit more convenient.
 
@@ -8030,7 +8031,7 @@ AM_PATH_PYTHON([2.5])
 
 @noindent
 This is fine when Python is an absolute requirement for the package.
-If Python @geq{} 2.5 was only @emph{optional} for the package,
+If Python >= 2.5 was only @emph{optional} for the package,
 @code{AM_PATH_PYTHON} could be called as follows.
 
 @example
@@ -9237,7 +9238,7 @@ let's proceed with an example.  Suppose our package co
 for which we want to build a man page using @command{help2man}.  GNU
 @command{help2man} produces simple manual pages from the
 @option{--help} and @option{--version} output of other commands
-(@pxref{,,,help2man, The Help2man Manual}).  Because we don't want to
+(@pxref{Top,,,help2man, The Help2man Manual}).  Because we don't want to
 force our users to install @command{help2man}, we distribute the
 generated man page using the following setup.