2006-10-04  Paul Eggert  <address@hidden>
 
	* lib/m4sugar/m4sh.m4 (AS_EXECUTABLE_P): Just invoke as_executable_p.
	(_AS_TEST_PREPARE): Default to test -f, rather than to nothing.

Index: lib/m4sugar/m4sh.m4
===================================================================
RCS file: /cvsroot/autoconf/autoconf/lib/m4sugar/m4sh.m4,v
retrieving revision 1.194
retrieving revision 1.195
diff -u -r1.194 -r1.195
--- lib/m4sugar/m4sh.m4	4 Oct 2006 18:53:19 -0000	1.194
+++ lib/m4sugar/m4sh.m4	4 Oct 2006 21:16:06 -0000	1.195
@@ -785,7 +785,7 @@
 # Check whether a file is executable.
 m4_defun([AS_EXECUTABLE_P],
 [AS_REQUIRE([_AS_TEST_PREPARE])dnl
-{ test -f $1 && $as_executable_p $1; }dnl
+$as_executable_p $1[]dnl
 ])# AS_EXECUTABLE_P
 
 
@@ -1021,7 +1021,7 @@
 [if test -x / >/dev/null 2>&1; then
   as_executable_p='test -x'
 else
-  as_executable_p=:
+  as_executable_p='test -f'
 fi
 ])# _AS_TEST_PREPARE