Fix Autoconf PR/209.

Also reported by Frank Denis.
* lib/m4sugar/m4sh.m4 (_AS_PATH_WALK): Don't over quote.

ChangeLog

@@ -1,3 +1,10 @@
+2002-02-07  Akim Demaille  <akim@epita.fr>
+
+	Fix Autoconf PR/209.
+	Also reported by Frank Denis.
+
+	* lib/m4sugar/m4sh.m4 (_AS_PATH_WALK): Don't over quote.
+
 2002-02-07  Akim Demaille  <akim@epita.fr>
 
 	Fix Autoconf PR/207:

NEWS

@@ -64,6 +64,8 @@
 - Precious variables accumulation
   config.status could stack several copies of the precious variables
   assignments.
+- AC_PATH_PROG and family.
+  Works properly when given a literal path.
 
 ** C Macros
 

THANKS

@@ -52,6 +52,7 @@ Eric Mumpower               nocturne@mit.edu
 Ezra Peisach                epeisach@zif.mit.edu
 Felix Lee                   flee@cygnus.com
 Franc,ois Pinard            pinard@iro.umontreal.ca
+Frank Denis                 j@jedi.claranet.fr
 Gary V. Vaughan             gvaughan@oranda.demon.co.uk
 Geir Ove Myhr               myhr@stud.fim.ntnu.no
 Gerrit P. Haase             gp@familiehaase.de

doc/autoconf.texi

@@ -3152,8 +3152,8 @@ be in the user's @code{PATH}, you can pass a modified path to use
 instead, like this:
 
 @example
-AC_PATH_PROG(INETD, inetd, /usr/libexec/inetd,
-  $PATH:/usr/libexec:/usr/sbin:/usr/etc:etc)
+AC_PATH_PROG([INETD], [inetd], [/usr/libexec/inetd],
+             [$PATH:/usr/libexec:/usr/sbin:/usr/etc:etc])
 @end example
 
 You are strongly encouraged to declare the @var{variable} passed to

lib/m4sugar/m4sh.m4

@@ -604,7 +604,7 @@ fi
 m4_define([_AS_PATH_WALK],
 [AS_REQUIRE([_AS_PATH_SEPARATOR_PREPARE])dnl
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-AS_LITERAL_IF([m4_default([$1], [$PATH])],
+AS_LITERAL_IF(m4_default([$1], [$PATH]),
 [as_dummy="$1"
 for as_dir in $as_dummy],
 [for as_dir in m4_default([$1], [$PATH])])