Fix CMP0167 CMake warning

Author: PeterTh

CMakeLists.txt

@@ -28,7 +28,12 @@ if(CMAKE_GENERATOR STREQUAL "Ninja")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdiagnostics-color=always")
 endif()
 
-find_package(Boost 1.70 COMPONENTS context REQUIRED)
+if(POLICY CMP0144)
+  # Allow upper-case package ROOT variables
+  cmake_policy(SET CMP0144 NEW)
+endif()
+
+find_package(Boost 1.70 CONFIG COMPONENTS context REQUIRED)
 
 include(FetchContent)
 

cmake/simsycl-config.cmake.in

@@ -14,7 +14,12 @@ set(SIMSYCL_LIBRARY SimSYCL::simsycl)
 set(SIMSYCL_ORIGINAL_CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH}")
 set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH}" "${SIMSYCL_CMAKE_DIR}")
 
-find_dependency(Boost 1.70 COMPONENTS context REQUIRED)
+if(POLICY CMP0144)
+  # Allow upper-case package ROOT variables
+  cmake_policy(SET CMP0144 NEW)
+endif()
+
+find_dependency(Boost 1.70 CONFIG COMPONENTS context REQUIRED)
 find_dependency(nlohmann_json)
 find_dependency(libenvpp)