Use PYTHON_EXECUTABLE to generate config headers. (ros#146)

* Use PYTHON_EXECUTABLE on posix as well.

* Fix package.xml description.

Author: mjcarroll

cfg/Test.cfg

@@ -1,4 +1,3 @@
-#! /usr/bin/env python
 # Software License Agreement (BSD License)
 #
 # Copyright (c) 2009, Willow Garage, Inc.

cmake/dynamic_reconfigure-macros.cmake

@@ -46,11 +46,9 @@ macro(generate_dynamic_reconfigure_options)
         )
         set("_CUSTOM_PYTHONPATH_ENV" "${CMAKE_CURRENT_BINARY_DIR}/setup_custom_pythonpath.sh")
       endif()
-    elseif(WIN32)
+    else()
       # Package could have no ${CATKIN_GLOBAL_PYTHON_DESTINATION} if it doesn't call
-      # catkin_python_setup().
-      # However, since Windows doesn't support shebang, we still need python to be added
-      # into the _cmd later.
+      # catkin_python_setup(), however we still need to use the correct Python.
       set("_CUSTOM_PYTHONPATH_ENV" "${PYTHON_EXECUTABLE}")
     endif()
 

cmake/setup_custom_pythonpath.bat.in

@@ -1,4 +1,4 @@
 REM generated from dynamic_reconfigure/cmake/setup_custom_pythonpath.bat.in
 
 set PYTHONPATH=@CATKIN_DEVEL_PREFIX@/@CATKIN_GLOBAL_PYTHON_DESTINATION@;%PYTHONPATH%
-call python %*
+call @PYTHON_EXECUTABLE@ %*

cmake/setup_custom_pythonpath.sh.in

@@ -2,4 +2,4 @@
 # generated from dynamic_reconfigure/cmake/setup_custom_pythonpath.sh.in
 
 PYTHONPATH=@CATKIN_DEVEL_PREFIX@/@CATKIN_GLOBAL_PYTHON_DESTINATION@:$PYTHONPATH
-exec "$@"
+exec @PYTHON_EXECUTABLE@ "$@"

package.xml

@@ -4,8 +4,8 @@
   <name>dynamic_reconfigure</name>
   <version>1.6.0</version>
   <description>
-    This unary stack contains the dynamic_reconfigure package which provides a means to change
-    node parameters at any time without having to restart the node.
+    The dynamic_reconfigure package provides a means to update parameters
+    at runtime without having to restart the node.
   </description>
   <maintainer email="[email protected]">Michael Carroll</maintainer>
   <license>BSD</license>

setup.py

@@ -1,5 +1,3 @@
-#!/usr/bin/env python
-
 from distutils.core import setup
 from catkin_pkg.python_setup import generate_distutils_setup