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set CUDA vars before calling enable_language(CUDA) + misc cleanup #283

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Merged
merged 1 commit into from
Jun 16, 2021
Merged

set CUDA vars before calling enable_language(CUDA) + misc cleanup #283

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20 changes: 9 additions & 11 deletions external/cuda.cmake
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Original file line number Diff line number Diff line change
@@ -1,21 +1,18 @@
include(SanitizeCUDAImplicitDirectories)

set(CUDA_FOUND TRUE)

set(TILEDARRAY_HAS_CUDA 1 CACHE BOOL "Whether TiledArray has CUDA support")

if(ENABLE_CUDA_ERROR_CHECK)
set (TILEDARRAY_CHECK_CUDA_ERROR 1)
endif(ENABLE_CUDA_ERROR_CHECK)

# cmake 3.17 decouples C++ and CUDA standards, see https://gitlab.kitware.com/cmake/cmake/issues/19123
# cmake 3.18 knows that CUDA 11 provides cuda_std_17
cmake_minimum_required(VERSION 3.18.0)
enable_language(CUDA)
set(CMAKE_CUDA_STANDARD 17)
set(CMAKE_CUDA_EXTENSIONS OFF)
set(CMAKE_CUDA_STANDARD_REQUIRED ON)
set(CMAKE_CUDA_SEPARABLE_COMPILATION ON)
enable_language(CUDA)

set(CUDA_FOUND TRUE)
set(TILEDARRAY_HAS_CUDA 1 CACHE BOOL "Whether TiledArray has CUDA support")

if(ENABLE_CUDA_ERROR_CHECK)
set (TILEDARRAY_CHECK_CUDA_ERROR 1)
endif(ENABLE_CUDA_ERROR_CHECK)

# find CUDA toolkit
# NB CUDAToolkit does NOT have COMPONENTS
Expand All @@ -34,6 +31,7 @@ endif(NOT DEFINED CUDAToolkit_ROOT)
# sanitize implicit dirs if CUDA host compiler != C++ compiler
message(STATUS "CMAKE Implicit Include Directories: ${CMAKE_CUDA_IMPLICIT_INCLUDE_DIRECTORIES}")
message(STATUS "CMAKE Implicit Link Directories: ${CMAKE_CUDA_IMPLICIT_LINK_DIRECTORIES}")
include(SanitizeCUDAImplicitDirectories)
sanitize_cuda_implicit_directories()
message(STATUS "CMAKE Implicit Include Directories: ${CMAKE_CUDA_IMPLICIT_INCLUDE_DIRECTORIES}")
message(STATUS "CMAKE Implicit Link Directories: ${CMAKE_CUDA_IMPLICIT_LINK_DIRECTORIES}")
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