From 2560b6e06271ba512bf5abd18e77d472b1bd66c7 Mon Sep 17 00:00:00 2001
From: Marko Petric <marko.petric@cern.ch>
Date: Tue, 18 Feb 2020 13:39:04 +0100
Subject: [PATCH] Add python version check
---
cmake/DD4hepBuild.cmake | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/cmake/DD4hepBuild.cmake b/cmake/DD4hepBuild.cmake
index 04a105ae1..f4fd80830 100644
--- a/cmake/DD4hepBuild.cmake
+++ b/cmake/DD4hepBuild.cmake
@@ -643,6 +643,17 @@ endfunction(dd4hep_add_plugin)
#
macro(DD4HEP_SETUP_ROOT_TARGETS)
+ #Check if Python version detected matches the version used to build ROOT
+ IF(${ROOT_VERSION} VERSION_GREATER_EQUAL 6.19)
+ IF(${ROOT_PYTHON_VERSION} EQUAL ${Python_VERSION})
+ dd4hep_debug( "D++> Python version used for building ROOT ${ROOT_PYTHON_VERSION}" )
+ ELSE()
+ dd4hep_print( "Python version used to build ROOT = ${ROOT_PYTHON_VERSION}" )
+ dd4hep_print( "Python version detected by CMake to build DD4hep = ${Python_VERSION}" )
+ dd4hep_fatal( "Mismatch between Python version used for building ROOT and Python version detected by CMake" )
+ ENDIF()
+ ENDIF()
+
#ROOT CXX Flags are a string with quotes, not a list, so we need to convert to a list...
string(REPLACE " " ";" DD4HEP_ROOT_CXX_FLAGS ${ROOT_CXX_FLAGS})
--
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