Let `missing' also work with versioned and prefixed programs.

* lib/missing: Ignore prefixes of `gnu-', `gnu', and `g' when
testing for known programs; also, ignore suffixes.
* tests/missing.test: Amend test.
* NEWS, THANKS: Update.
Report by Tim Rice.

Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

1 files changed, 22 insertions, 15 deletions

diff --git a/lib/missing b/lib/missing
index 68e3a41a1..4758c826c 100755
--- a/lib/missing
+++ b/lib/missing
@@ -1,10 +1,10 @@
 #! /bin/sh
 # Common stub for a few missing GNU programs while installing.
 
-scriptversion=2006-05-10.23
+scriptversion=2008-11-24.07
 
-# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006
-#   Free Software Foundation, Inc.
+# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
+# 2008  Free Software Foundation, Inc.
 # Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
 
 # This program is free software; you can redistribute it and/or modify
@@ -87,6 +87,9 @@ Supported PROGRAM values:
   tar          try tar, gnutar, gtar, then tar without non-portable flags
   yacc         create \`y.tab.[ch]', if possible, from existing .[ch]
 
+Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and
+\`g' are ignored when checking the name.
+
 Send bug reports to <bug-automake@gnu.org>."
     exit $?
     ;;
@@ -104,15 +107,19 @@ Send bug reports to <bug-automake@gnu.org>."
 
 esac
 
+# normalize program name to check for.
+program=`echo "$1" | sed 's/^gnu-//; t; s/^gnu//; t; s/^g//; t'`
+
 # Now exit if we have it, but it failed.  Also exit now if we
 # don't have it and --version was passed (most likely to detect
-# the program).
+# the program).  This is about non-GNU programs, so use $1 not
+# $program.
 case $1 in
-  lex|yacc)
+  lex*|yacc*)
     # Not GNU programs, they don't have --version.
     ;;
 
-  tar)
+  tar*)
     if test -n "$run"; then
        echo 1>&2 "ERROR: \`tar' requires --run"
        exit 1
@@ -136,7 +143,7 @@ esac
 
 # If it does not exist, or fails to run (possibly an outdated version),
 # try to emulate it.
-case $1 in
+case $program in
   aclocal*)
     echo 1>&2 "\
 WARNING: \`$1' is $msg.  You should only need it if
@@ -146,7 +153,7 @@ WARNING: \`$1' is $msg.  You should only need it if
     touch aclocal.m4
     ;;
 
-  autoconf)
+  autoconf*)
     echo 1>&2 "\
 WARNING: \`$1' is $msg.  You should only need it if
          you modified \`${configure_ac}'.  You might want to install the
@@ -155,7 +162,7 @@ WARNING: \`$1' is $msg.  You should only need it if
     touch configure
     ;;
 
-  autoheader)
+  autoheader*)
     echo 1>&2 "\
 WARNING: \`$1' is $msg.  You should only need it if
          you modified \`acconfig.h' or \`${configure_ac}'.  You might want
@@ -185,7 +192,7 @@ WARNING: \`$1' is $msg.  You should only need it if
 	   while read f; do touch "$f"; done
     ;;
 
-  autom4te)
+  autom4te*)
     echo 1>&2 "\
 WARNING: \`$1' is needed, but is $msg.
          You might have modified some files without having the
@@ -208,7 +215,7 @@ WARNING: \`$1' is needed, but is $msg.
     fi
     ;;
 
-  bison|yacc)
+  bison*|yacc*)
     echo 1>&2 "\
 WARNING: \`$1' $msg.  You should only need it if
          you modified a \`.y' file.  You may need the \`Bison' package
@@ -238,7 +245,7 @@ WARNING: \`$1' $msg.  You should only need it if
     fi
     ;;
 
-  lex|flex)
+  lex*|flex*)
     echo 1>&2 "\
 WARNING: \`$1' is $msg.  You should only need it if
          you modified a \`.l' file.  You may need the \`Flex' package
@@ -261,7 +268,7 @@ WARNING: \`$1' is $msg.  You should only need it if
     fi
     ;;
 
-  help2man)
+  help2man*)
     echo 1>&2 "\
 WARNING: \`$1' is $msg.  You should only need it if
 	 you modified a dependency of a manual page.  You may need the
@@ -279,7 +286,7 @@ WARNING: \`$1' is $msg.  You should only need it if
     fi
     ;;
 
-  makeinfo)
+  makeinfo*)
     echo 1>&2 "\
 WARNING: \`$1' is $msg.  You should only need it if
          you modified a \`.texi' or \`.texinfo' file, or any other file
@@ -308,7 +315,7 @@ WARNING: \`$1' is $msg.  You should only need it if
     touch $file
     ;;
 
-  tar)
+  tar*)
     shift
 
     # We have already tried tar in the generic part.