From 906531ae7029ff7bbde44bcb7e499aedba21f4f5 Mon Sep 17 00:00:00 2001
From: Russ Webber <russ.webber@greenroomrobotics.com>
Date: Tue, 12 Jul 2022 17:03:21 +1000
Subject: [PATCH] fix: PYTHON_EXECUTABLE was not being set, so use find_package
 to do it

Signed-off-by: Russ Webber <russ.webber@greenroomrobotics.com>
---
 utils/ros2-mix-generator/cmake/is_ros2_rosidl_mix.cmake | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/utils/ros2-mix-generator/cmake/is_ros2_rosidl_mix.cmake b/utils/ros2-mix-generator/cmake/is_ros2_rosidl_mix.cmake
index 1f52281..042b9c8 100644
--- a/utils/ros2-mix-generator/cmake/is_ros2_rosidl_mix.cmake
+++ b/utils/ros2-mix-generator/cmake/is_ros2_rosidl_mix.cmake
@@ -66,12 +66,16 @@ function(is_ros2_rosidl_mix)
         endif()
     endforeach()
 
+    if(NOT Python_EXECUTABLE)
+        find_package(Python COMPONENTS Interpreter)
+    endif()
+
     is_mix_generator(
         IDL_TYPE
             rosidl
         SCRIPT
             INTERPRETER
-                ${PYTHON_EXECUTABLE}
+                ${Python_EXECUTABLE}
             FIND
                 ${CMAKE_CURRENT_LIST_DIR}/scripts/is_ros2_rosidl_find_package_info.py
             GENERATE