GTY doc fix

[Geoffrey Keating]

I don't remember what this was for, but I'm sure I thought it was a
good idea at the time.

Tested by doing 'make info' and 'make dvi'.

-- 
Geoff Keating <geoffk@redhat.com>

===File ~/patches/pch-ggtdoc2.patch=========================
2002-06-11  Geoffrey Keating  <geoffk@redhat.com>

	* doc/gty.texi: Small updates.

Index: doc/gty.texi
===================================================================
RCS file: /cvs/gcc/gcc/gcc/doc/gty.texi,v
retrieving revision 1.2
diff -p -u -p -r1.2 gty.texi
--- doc/gty.texi	4 Jun 2002 07:10:26 -0000	1.2
+++ doc/gty.texi	11 Jun 2002 23:05:49 -0000
@@ -229,11 +229,12 @@ things you need to do:
 @enumerate
 @item
 You need to add the file to the list of source files the type machinery
-scans.  For a back-end file, this is done automatically.  For a
-front-end file, this is done by adding the filename to the
-@code{gtfiles} variable defined in @file{config-lang.in}.  For other
-files, this is done by adding the filename to the @code{GTFILES} variable
-in @file{Makefile.in}.
+scans.  For a back-end file, this is usually done automatically; if not,
+you should add it to @code{config_gtfiles} in the appropriate port's
+entries in @file{config.gcc}.  For a front-end file, this is done by
+adding the filename to the @code{gtfiles} variable defined in
+@file{config-lang.in}.  For other files, this is done by adding the
+filename to the @code{GTFILES} variable in @file{Makefile.in}.
 
 @item
 You need to include the file that the type machinery will generate in
@@ -243,9 +244,9 @@ the source file you just changed.  The f
 to mention this file as a dependency in the @file{Makefile}!
 
 @item
-Finally, you need to add a @file{Makefile} rule that will ensure this file
-can be built.  This is done by making it a dependency of @code{s-gtype},
-like this:
+Finally, you need to arrange to add a @file{Makefile} rule that will
+ensure this file can be built.  This is done by making it a dependency
+of @code{s-gtype}, like this:
 @verbatim
 gt-path.h : s-gtype ; @true
 @end verbatim
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