Merge branch 'cmake3.15' into 'develop'

Require CMake 3.15 to ensure policy 0094 See merge request !554

Merge branch 'cmake3.15' into 'develop'
f4915a40 · Wuttke, Joachim · 80f403c0 · cd6e418f · f4915a40
Commit f4915a40 authored 3 years ago by Wuttke, Joachim
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@
 # top-level CMakeLists.txt for building BornAgain
 ############################################################################

-cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.15 FATAL_ERROR)

 set(CMAKE_MODULE_PATH
    ${CMAKE_SOURCE_DIR}/cmake