cmake_minimum_required(VERSION 3.25)

set(CMAKE_CXX_STANDARD 17)

project(sycl_example)

option(USE_INTELSYCL "Use Intel oneAPI compiler" OFF)
option(USE_ACPP "Use AdaptiveCpp compiler" OFF)

if(USE_INTELSYCL AND USE_ACPP)
  message(FATAL_ERROR "Only one SYCL compiler can be selected.")
endif()

if(USE_INTELSYCL)
  find_package(IntelSYCL REQUIRED)
elseif(USE_ACPP)
  find_package(AdaptiveCpp REQUIRED)
else()
  message(FATAL_ERROR "Set either -DUSE_INTELSYCL or -DUSE_ACPP.")
endif()



find_library(LIB_XXHASH xxhash)

message(STATUS "${IntelSYCL_FOUND}")

if ((NOT(AdaptiveCpp_FOUND)) AND (NOT(IntelSYCL_FOUND)))
  message(FATAL_ERROR
    "Could not find either AdaptiveCpp or IntelDPCPP.
    Install one of them and provide -D<Compiler>_DIR=/path/to/cmake/config.
    Configuration not possible.")
endif()


add_subdirectory(src)