CMakeLists.txt

#[[
  SYCL Academy (c)

  SYCL Academy is licensed under a Creative Commons Attribution-ShareAlike 4.0
  International License.

  You should have received a copy of the license along with this work.  If not,
  see <http://creativecommons.org/licenses/by-sa/4.0/>.
]]

cmake_minimum_required (VERSION 3.14)
project (SYCLAcademy)

# Options

option(SYCL_ACADEMY_USE_COMPUTECPP "Configure to compile with ComputeCpp" OFF)
# option(SYCL_ACADEMY_USE_DPCPP "Configure to compile with DPC++" OFF)
option(SYCL_ACADEMY_USE_HIPSYCL "Configure to compile with hipSYCL" OFF)
option(SYCL_ACADEMY_ENABLE_SOLUTIONS "Include solution files in project" OFF)

# Variables

set(SYCL_ACADEMY_INSTALL_ROOT CACHE STRING "NOT-FOUND")

set(SYCL_IMPLEMENTATIONS_USED 0)
if(SYCL_ACADEMY_USE_COMPUTECPP)
  math(EXPR SYCL_IMPLEMENTATIONS_USED ${SYCL_IMPLEMENTATIONS_USED}+1)
endif()
# if(SYCL_ACADEMY_USE_DPCPP)
#   math(EXPR SYCL_IMPLEMENTATIONS_USED ${SYCL_IMPLEMENTATIONS_USED}+1)
# endif()
if(SYCL_ACADEMY_USE_HIPSYCL)
  math(EXPR SYCL_IMPLEMENTATIONS_USED ${SYCL_IMPLEMENTATIONS_USED}+1)
endif()
if (${SYCL_IMPLEMENTATIONS_USED} EQUAL 0)
  message(FATAL_ERROR "No SYCL implementation specified, please set either "
  "SYCL_ACADEMY_USE_COMPUTECPP or SYCL_ACADEMY_USE_HIPSYCL to ON.")
endif()
if (${SYCL_IMPLEMENTATIONS_USED} GREATER 1)
  message(FATAL_ERROR "Multiple SYCL implementations specified, please only "
  "set one of SYCL_ACADEMY_USE_COMPUTECPP or  SYCL_ACADEMY_USE_HIPSYCL to ON.")
endif()

# Common setup

list(APPEND CMAKE_MODULE_PATH
  "${CMAKE_SOURCE_DIR}/External/computecpp-sdk/cmake/Modules/")

find_package(Threads REQUIRED)

add_subdirectory(Utilities)

# ComputeCpp setup

if (SYCL_ACADEMY_USE_COMPUTECPP)
if (NOT SYCL_ACADEMY_INSTALL_ROOT)
message(FATAL_ERROR "SYCL implementation root not provided, please specify "
  "the path to the root of the chosen SYCL implementation using "
  "SYCL_ACADEMY_INSTALL_ROOT=<path/to/install/root>.")
endif()

  set(ComputeCpp_DIR ${SYCL_ACADEMY_INSTALL_ROOT})
  include(External/computecpp-sdk/cmake/Modules/ComputeCppCompilerChecks.cmake)
  find_package(ComputeCpp REQUIRED)
endif()

# DPC++ setup

if (SYCL_ACADEMY_USE_DPCPP)
  # Not implemented
endif()

# hipSYCL setup

if (SYCL_ACADEMY_USE_HIPSYCL)
  set(hipSYCL_DIR ${SYCL_ACADEMY_INSTALL_ROOT}/lib/cmake/hipSYCL)
  find_package(hipSYCL CONFIG REQUIRED PATHS)
endif()

# Exercises

enable_testing()
add_subdirectory(External/Catch2)

add_subdirectory(Code_Exercises)