Files
lammps/lib/kokkos/cmake/KokkosConfig.cmake.in
2025-03-28 15:29:14 -06:00

73 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@)