[voxelizer][CUDA][SYCL] Add OpenMP dependency in CMakeLists

The project doesn't link correctly because OpenMP libraries
are not added to the link targets. Fix this by using the
CMake OpenMP module and adding the target.

Author: rafbiels

voxelizer/CUDA/CMakeLists.txt

@@ -43,6 +43,7 @@ message(STATUS "    libraries: ${GLM_LIBRARIES}")
 message(STATUS "    include path: ${GLM_INCLUDE_DIRS}")
 
 find_package(CUDA REQUIRED)
+find_package(OpenMP REQUIRED)
 
 if(NOT CUDA_FOUND)
   message(STATUS "CUDA not found. Project will not be built.")
@@ -119,4 +120,4 @@ CUDA_ADD_EXECUTABLE(
 
 TARGET_COMPILE_FEATURES(${CUDA_VOXELIZER_EXECUTABLE} PRIVATE cxx_std_17)
 TARGET_INCLUDE_DIRECTORIES(${CUDA_VOXELIZER_EXECUTABLE} PRIVATE ${Trimesh2_INCLUDE_DIR} ${GLM_INCLUDE_DIRS}) # TARGET_LINK_LIBRARIES(${CUDA_VOXELIZER_EXECUTABLE} PRIVATE ${Trimesh2_LIBRARY} PRIVATE CUDA::cudart PRIVATE glm::glm)
-TARGET_LINK_LIBRARIES(${CUDA_VOXELIZER_EXECUTABLE} ${Trimesh2_LIBRARY} ${CUDA_cudadevrt_LIBRARY} glm::glm)
+TARGET_LINK_LIBRARIES(${CUDA_VOXELIZER_EXECUTABLE} ${Trimesh2_LIBRARY} ${CUDA_cudadevrt_LIBRARY} glm::glm OpenMP::OpenMP_CXX)

voxelizer/SYCL/CMakeLists.txt

@@ -46,17 +46,8 @@ message(STATUS "    version: ${glm_VERSION}")
 message(STATUS "    libraries: ${GLM_LIBRARIES}")
 message(STATUS "    include path: ${GLM_INCLUDE_DIRS}")
 
-# FIND_PACKAGE(OpenMP REQUIRED)
-# if (OPENMP_FOUND)
-# message("openmp found")
-# else()
-# message("openmp not found")
-# endif()
-
-# message(STATUS "OpenMP library status:")
-# message(STATUS "    version: ${OpenMP_VERSION}")
-# message(STATUS "    libraries: ${OpenMP_LIBS}")
-# message(STATUS "    include path: ${OpenMP_INCLUDE_DIRS}")
+find_package(OpenMP REQUIRED)
+
 SET(VOXELIZER_EXECUTABLE voxelizer_sycl)
 
 IF(NOT Trimesh2_INCLUDE_DIR)
@@ -172,4 +163,4 @@ ADD_EXECUTABLE(${VOXELIZER_EXECUTABLE} ${SOURCES})
 
 TARGET_COMPILE_FEATURES(${VOXELIZER_EXECUTABLE} PRIVATE cxx_std_17)
 TARGET_INCLUDE_DIRECTORIES(${VOXELIZER_EXECUTABLE} PRIVATE ${Trimesh2_INCLUDE_DIR} ${GLM_INCLUDE_DIRS})
-TARGET_LINK_LIBRARIES(${VOXELIZER_EXECUTABLE} PRIVATE ${Trimesh2_LIBRARY} PRIVATE glm::glm stdc++ stdc++fs)
+TARGET_LINK_LIBRARIES(${VOXELIZER_EXECUTABLE} PRIVATE ${Trimesh2_LIBRARY} PRIVATE glm::glm OpenMP::OpenMP_CXX stdc++ stdc++fs)