--- aclocal.m4	2010-08-13 04:46:51.000000000 -0700
+++ aclocal.m4	2010-10-12 11:20:55.270006000 -0700
@@ -8911,7 +8911,7 @@
     am_display_PYTHON=python
   ], [
     dnl A version check is needed.
-    if test -n "$PYTHON"; then
+    if [ "x$PYTHON" = "x" ] ; then
       # If the user set $PYTHON, use it and don't search something else.
       AC_MSG_CHECKING([whether $PYTHON version >= $1])
       AM_PYTHON_CHECK_VERSION([$PYTHON], [$1],
@@ -8929,7 +8929,7 @@
 	done])
       # Set $PYTHON to the absolute path of $am_cv_pathless_PYTHON.
       if test "$am_cv_pathless_PYTHON" = none; then
-	PYTHON=:
+	PYTHON=/usr/bin/python2.6
       else
         AC_PATH_PROG([PYTHON], [$am_cv_pathless_PYTHON])
       fi