lammps/lib/kokkos/cmake/KokkosConfig.cmake.in

67 lines
2.9 KiB
CMake

# No need for policy push/pop. CMake also manages a new entry for scripts
# loaded by include() and find_package() commands except when invoked with
# the NO_POLICY_SCOPE option
# CMP0057 + NEW -> IN_LIST operator in IF(...)
CMAKE_POLICY(SET CMP0057 NEW)
# Compute paths
@PACKAGE_INIT@
#Find dependencies
INCLUDE(CMakeFindDependencyMacro)
#This needs to go above the KokkosTargets in case
#the Kokkos targets depend in some way on the TPL imports
@KOKKOS_TPL_EXPORTS@
GET_FILENAME_COMPONENT(Kokkos_CMAKE_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
INCLUDE("${Kokkos_CMAKE_DIR}/KokkosTargets.cmake")
INCLUDE("${Kokkos_CMAKE_DIR}/KokkosConfigCommon.cmake")
UNSET(Kokkos_CMAKE_DIR)
# check for conflicts
IF("launch_compiler" IN_LIST Kokkos_FIND_COMPONENTS AND
"separable_compilation" IN_LIST Kokkos_FIND_COMPONENTS)
MESSAGE(STATUS "'launch_compiler' implies global redirection of targets depending on Kokkos to appropriate compiler.")
MESSAGE(STATUS "'separable_compilation' implies explicitly defining where redirection occurs via 'kokkos_compilation(PROJECT|TARGET|SOURCE|DIRECTORY ...)'")
MESSAGE(FATAL_ERROR "Conflicting COMPONENTS: 'launch_compiler' and 'separable_compilation'")
ENDIF()
IF("launch_compiler" IN_LIST Kokkos_FIND_COMPONENTS)
#
# if find_package(Kokkos COMPONENTS launch_compiler) then rely on the
# RULE_LAUNCH_COMPILE and RULE_LAUNCH_LINK to always redirect to the
# appropriate compiler for Kokkos
#
MESSAGE(STATUS "kokkos_launch_compiler is enabled globally. C++ compiler commands with -DKOKKOS_DEPENDENCE will be redirected to the appropriate compiler for Kokkos")
kokkos_compilation(
GLOBAL
CHECK_CUDA_COMPILES)
ELSEIF(@Kokkos_ENABLE_CUDA@
AND NOT @KOKKOS_COMPILE_LANGUAGE@ STREQUAL CUDA
AND NOT "separable_compilation" IN_LIST Kokkos_FIND_COMPONENTS)
#
# if CUDA was enabled, the compilation language was not set to CUDA, and separable compilation was not
# specified, then set the RULE_LAUNCH_COMPILE and RULE_LAUNCH_LINK globally and
# kokkos_launch_compiler will re-direct to the compiler used to compile CUDA code during installation.
# kokkos_launch_compiler will re-direct if ${CMAKE_CXX_COMPILER} and -DKOKKOS_DEPENDENCE is present,
# otherwise, the original command will be executed
#
# run test to see if CMAKE_CXX_COMPILER=nvcc_wrapper
kokkos_compiler_is_nvcc(IS_NVCC ${CMAKE_CXX_COMPILER})
# if not nvcc_wrapper and Kokkos_LAUNCH_COMPILER was not set to OFF
IF(NOT IS_NVCC AND (NOT DEFINED Kokkos_LAUNCH_COMPILER OR Kokkos_LAUNCH_COMPILER))
MESSAGE(STATUS "kokkos_launch_compiler is enabled globally. C++ compiler commands with -DKOKKOS_DEPENDENCE will be redirected to the appropriate compiler for Kokkos")
kokkos_compilation(GLOBAL)
ENDIF()
# be mindful of the environment, pollution is bad
UNSET(IS_NVCC)
ENDIF()
set(Kokkos_COMPILE_LANGUAGE @KOKKOS_COMPILE_LANGUAGE@)