From 81ada3d99a3fb84fb36f34e29f598387c58c88a6 Mon Sep 17 00:00:00 2001
From: Guilhem Lavaux <lavaux@iap.fr>
Date: Thu, 19 Jul 2018 15:11:49 +0300
Subject: [PATCH] Skip setuptools installation if sufficienty recent

---
 external/external_python_build.cmake | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/external/external_python_build.cmake b/external/external_python_build.cmake
index 6f9f780..0c4a953 100644
--- a/external/external_python_build.cmake
+++ b/external/external_python_build.cmake
@@ -7,6 +7,18 @@ SET(INTERNAL_SETUPTOOLS ON)
 SET(INTERNAL_SCIPY ON)
 SET(INTERNAL_KDTREE_SCIPY ON)
 
+IF (INTERNAL_SETUPTOOLS)
+  execute_process(
+     COMMAND ${PYTHON_EXECUTABLE} -c "import setuptools; print(setuptools.__version__);" 
+   RESULT_VARIABLE RET_VALUE
+   OUTPUT_VARIABLE SETUPTOOLS_VERSION
+  )
+  IF (SETUPTOOLS_VERSION VERSION_GREATER 0.7)
+	  message(STATUS "Setuptools recent. Not building it.")
+    SET(INTERNAL_SETUPTOOLS OFF)
+  ENDIF() 
+ENDIF()
+
 IF (PYTHON_VERSION_STRING VERSION_LESS 2.7)
   MESSAGE(STATUS "Python version is less than 2.7, argparse is needed.")
   SET(INTERNAL_ARGPARSE ON)