If --with-python is specified, look for the Python interpreter not just in

* configure.in (PYTHON_SITE_PACKAGES): If --with-python is
  specified, look for the Python interpreter not just in the
  specified root but also in the specified location. Fixes #98825
Daniel
diff --git a/configure.in b/configure.in
index c1ef05d..ca64701 100644
--- a/configure.in
+++ b/configure.in
@@ -208,10 +208,10 @@
     else
 	if test -x "$with_python"
 	then
-	    echo Found python in $with_python/bin/python
-	    PYTHON="$with_python/bin/python"
+	    echo Found python in $with_python
+	    PYTHON="$with_python"
 	else
-	    AC_PATH_PROG(PYTHON, python python2.2 python2.1 python2.0 python1.6 python1.5)
+	    AC_PATH_PROG(PYTHON, python python2.3 python2.2 python2.1 python2.0 python1.6 python1.5)
 	fi
     fi
     if test "$PYTHON" != ""