From c1c633dbfae22a739dac55dc5bfec72019e05df5 Mon Sep 17 00:00:00 2001
From: Massimiliano Galli <massimiliano.galli@cern.ch>
Date: Mon, 23 Mar 2020 14:11:46 +0100
Subject: [PATCH] [CMake][Exp PyROOT] Add useful config-time message regarding
versions of Python used to build
---
cmake/modules/SearchRootCoreDeps.cmake | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/cmake/modules/SearchRootCoreDeps.cmake b/cmake/modules/SearchRootCoreDeps.cmake
index 57787cc948e..c110e4789ed 100644
--- a/cmake/modules/SearchRootCoreDeps.cmake
+++ b/cmake/modules/SearchRootCoreDeps.cmake
@@ -73,6 +73,15 @@ if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.14)
message(FATAL_ERROR "No Python 2 or 3 were found")
endif()
+ # Print message saying with which versions of Python are used to build
+ if(pyroot_experimental)
+ if(NOT Python3_Development_FOUND OR NOT Python2_Development_FOUND)
+ message(STATUS "Main Python used to build: ${PYTHON_VERSION_MAJOR}; PyROOT built for version ${PYTHON_VERSION_MAJOR} ")
+ elseif(Python3_Development_FOUND AND Python2_Development_FOUND)
+ message(STATUS "Main Python used to build: ${PYTHON_VERSION_MAJOR}; PyROOT built for versions ${PYTHON_VERSION_MAJOR} and ${OTHER_PYTHON_VERSION_MAJOR}")
+ endif()
+ endif()
+
else()
find_package(PythonInterp ${python_version} REQUIRED)
--
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