tiny code simplification

[simgrid.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index aa8cfed..0c9da4a 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -140,6 +140,15 @@ if(NOT PERL_FOUND)
   message(FATAL_ERROR "Please install Perl to compile SimGrid.")
 endif()
 
+# tesh.py needs python 3 (or the module python-subprocess32 on python2.8+)
+set(PythonInterp_FIND_VERSION 3)
+set(PythonInterp_FIND_VERSION_COUNT 1)
+set(PythonInterp_FIND_VERSION_MAJOR 3)
+include(FindPythonInterp)
+if(NOT PYTHONINTERP_FOUND)
+  message(FATAL_ERROR "Please install Python (version 3 or higher).")
+endif()
+
 if (APPLE)
   set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
   set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)