From d720cbe1897600cf38020182d352577c28d86139 Mon Sep 17 00:00:00 2001
From: Julian Oes <julian@oes.ch>
Date: Sun, 20 Nov 2016 17:52:22 +0100
Subject: [PATCH] cmake: Use Python3 if available

This brings support for Distros that use Python3 by default such as
Arch Linux.
---
 CMakeLists.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8ff6a5844e..549ea5581a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -246,7 +246,8 @@ else()
 	message(STATUS "catkin DISABLED")
 endif()
 
-find_package(PythonInterp 2.7 REQUIRED)
+set(Python_ADDITIONAL_VERSIONS "3"; "2.7")
+find_package(PythonInterp REQUIRED)
 
 #=============================================================================
 # cmake modules