Teach makeinfo about --no-version-header to support the line

This is <info> producted by <version> from <source>
which leaks the full build prefix.

gnu/dist/texinfo/doc/makeinfo.1

@@ -1,4 +1,4 @@
-.\"	$NetBSD: makeinfo.1,v 1.1.1.6 2008/09/02 07:51:56 christos Exp $
+.\"	$NetBSD: makeinfo.1,v 1.2 2009/02/28 19:14:15 joerg Exp $
 .\"
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.34.
 .TH MAKEINFO "1" "December 2004" "makeinfo 4.8" "User Commands"
@@ -64,6 +64,9 @@ also, write to standard output by default.
 suppress splitting of Info or HTML output,
 generate only one output file.
 .TP
+\fB\-\-no\-version\-header\fR
+suppress header with makeinfo version and source path.
+.TP
 \fB\-\-number\-sections\fR
 output chapter and sectioning numbers.
 .TP

gnu/dist/texinfo/makeinfo/makeinfo.c

@@ -1,4 +1,4 @@
-/*	$NetBSD: makeinfo.c,v 1.14 2008/09/02 08:00:24 christos Exp $	*/
+/*	$NetBSD: makeinfo.c,v 1.15 2009/02/28 19:14:15 joerg Exp $	*/
 
 /* makeinfo -- convert Texinfo source into other formats.
    Id: makeinfo.c,v 1.74 2004/12/19 17:15:42 karl Exp
@@ -381,6 +381,8 @@ General output options:\n\
                               also, write to standard output by default.\n\
       --no-split            suppress splitting of Info or HTML output,\n\
                             generate only one output file.\n\
+      --no-version-headers  suppress header with makeinfo version and\n
+                            source path.\n
       --number-sections     output chapter and sectioning numbers.\n\
   -o, --output=FILE         output to FILE (directory if split HTML),\n\
 "));
@@ -505,6 +507,7 @@ struct option long_options[] =
   { "no-pointer-validate", 0, &validating, 0 },
   { "no-split", 0, &splitting, 0 },
   { "no-validate", 0, &validating, 0 },
+  { "no-version-header", 0, &no_version_header, 1 },
   { "no-warn", 0, &print_warnings, 0 },
   { "number-footnotes", 0, &number_footnotes, 1 },
   { "number-sections", 0, &number_sections, 1 },
@@ -1671,7 +1674,7 @@ convert_from_loaded_file (char *name)
   }
 
   /* html fixxme: should output this as trailer on first page.  */
-  if (!no_headers && !html && !xml)
+  if (!no_headers && !html && !xml && !no_version_header)
     add_word_args (_("This is %s, produced by makeinfo version %s from %s.\n"),
                    output_filename, VERSION, input_filename);
 

gnu/dist/texinfo/makeinfo/makeinfo.h

@@ -1,4 +1,4 @@
-/*	$NetBSD: makeinfo.h,v 1.1.1.7 2008/09/02 07:50:44 christos Exp $	*/
+/*	$NetBSD: makeinfo.h,v 1.2 2009/02/28 19:14:15 joerg Exp $	*/
 
 /* makeinfo.h -- declarations for Makeinfo.
    Id: makeinfo.h,v 1.17 2004/11/30 02:03:23 karl Exp
@@ -192,6 +192,10 @@ DECLARE (char *, css_include, NULL);
    is, generate plain text.  (--no-headers) */
 DECLARE (int, no_headers, 0);
 
+/* Nonzero means do not output makeinfo version and source file.
+   (--no-version-header) */
+DECLARE (int, no_version_header, 0);
+
 /* Nonzero means that we process @docbook and @ifdocbook.  (--ifdocbook) */
 DECLARE (int, process_docbook, 0);