Merge branch 'rosidl_adapt_interfaces-cmake-make-ament-free' of githu…

…b.com:yashi/rosidl into yashi-rosidl_adapt_interfaces-cmake-make-ament-free

Signed-off-by: Shane Loretz <sloretz@openrobotics.org>

rosidl_adapter/cmake/rosidl_adapt_interfaces.cmake

@@ -37,13 +37,11 @@ function(rosidl_adapt_interfaces idl_var arguments_file)
       "arguments: ${ARG_UNPARSED_ARGUMENTS}")
   endif()
 
-  find_package(ament_cmake_core REQUIRED)  # for get_executable_path
   find_package(Python3 REQUIRED COMPONENTS Interpreter)
-  get_executable_path(python_interpreter Python3::Interpreter CONFIGURE)
 
   set(idl_output "${CMAKE_CURRENT_BINARY_DIR}/rosidl_adapter/${ARG_TARGET}.idls")
   set(cmd
-    "${python_interpreter}" -m rosidl_adapter
+    "${Python3_EXECUTABLE}" -m rosidl_adapter
     --package-name ${PROJECT_NAME}
     --arguments-file "${arguments_file}"
     --output-dir "${CMAKE_CURRENT_BINARY_DIR}/rosidl_adapter/${PROJECT_NAME}"