cmake: create imported target for FFTW

This commit is contained in:
Christoph Junghans
2020-03-22 19:20:00 -06:00
parent 0e3f4f3de2
commit 3076e26707
3 changed files with 51 additions and 12 deletions

View File

@ -14,14 +14,34 @@ find_path(FFTW3_INCLUDE_DIR fftw3.h HINTS ${PC_FFTW3_INCLUDE_DIRS})
find_library(FFTW3_LIBRARY NAMES fftw3 HINTS ${PC_FFTW3_LIBRARY_DIRS})
find_library(FFTW3_OMP_LIBRARY NAMES fftw3_omp HINTS ${PC_FFTW3_LIBRARY_DIRS})
set(FFTW3_INCLUDE_DIRS ${FFTW3_INCLUDE_DIR})
set(FFTW3_LIBRARIES ${FFTW3_LIBRARY})
set(FFTW3_OMP_LIBRARIES ${FFTW3_OMP_LIBRARY})
include(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set FFTW3_FOUND to TRUE
# if all listed variables are TRUE
find_package_handle_standard_args(FFTW3 DEFAULT_MSG FFTW3_LIBRARY FFTW3_INCLUDE_DIR)
# Copy the results to the output variables and target.
if(FFTW3_FOUND)
set(FFTW3_LIBRARIES ${FFTW3_LIBRARY} )
set(FFTW3_INCLUDE_DIRS ${FFTW3_INCLUDE_DIR} )
if(NOT TARGET FFTW3::FFTW3)
add_library(FFTW3::FFTW3 UNKNOWN IMPORTED)
set_target_properties(FFTW3::FFTW3 PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${FFTW3_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${FFTW3_INCLUDE_DIRS}")
endif()
if(FFTW3_OMP_LIBRARY)
set(FFTW3_OMP_LIBRARIES ${FFTW3_OMP_LIBRARY})
if(NOT TARGET FFTW3::FFTW3_OMP)
add_library(FFTW3::FFTW3_OMP UNKNOWN IMPORTED)
set_target_properties(FFTW3::FFTW3_OMP PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${FFTW3_OMP_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${FFTW3_INCLUDE_DIRS}")
endif()
endif()
endif()
mark_as_advanced(FFTW3_INCLUDE_DIR FFTW3_LIBRARY FFTW3_OMP_LIBRARY)

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@ -13,14 +13,34 @@ find_path(FFTW3F_INCLUDE_DIR fftw3.h HINTS ${PC_FFTW3F_INCLUDE_DIRS})
find_library(FFTW3F_LIBRARY NAMES fftw3f HINTS ${PC_FFTW3F_LIBRARY_DIRS})
find_library(FFTW3F_OMP_LIBRARY NAMES fftw3f_omp HINTS ${PC_FFTW3F_LIBRARY_DIRS})
set(FFTW3F_INCLUDE_DIRS ${FFTW3F_INCLUDE_DIR})
set(FFTW3F_LIBRARIES ${FFTW3F_LIBRARY})
set(FFTW3F_OMP_LIBRARIES ${FFTW3F_OMP_LIBRARY})
include(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set FFTW3F_FOUND to TRUE
# if all listed variables are TRUE
find_package_handle_standard_args(FFTW3F DEFAULT_MSG FFTW3F_LIBRARY FFTW3F_INCLUDE_DIR)
mark_as_advanced(FFTW3F_INCLUDE_DIR FFTW3F_LIBRARY)
# Copy the results to the output variables and target.
if(FFTW3F_FOUND)
set(FFTW3F_LIBRARIES ${FFTW3F_LIBRARY} )
set(FFTW3F_INCLUDE_DIRS ${FFTW3F_INCLUDE_DIR} )
if(NOT TARGET FFTW3F::FFTW3F)
add_library(FFTW3F::FFTW3F UNKNOWN IMPORTED)
set_target_properties(FFTW3F::FFTW3F PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${FFTW3F_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${FFTW3F_INCLUDE_DIRS}")
endif()
if(FFTW3F_OMP_LIBRARY)
set(FFTW3F_OMP_LIBRARIES ${FFTW3F_OMP_LIBRARY})
if(NOT TARGET FFTW3F::FFTW3F_OMP)
add_library(FFTW3F::FFTW3F_OMP UNKNOWN IMPORTED)
set_target_properties(FFTW3F::FFTW3F_OMP PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${FFTW3F_OMP_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${FFTW3F_INCLUDE_DIRS}")
endif()
endif()
endif()
mark_as_advanced(FFTW3F_INCLUDE_DIR FFTW3F_LIBRARY FFTW3F_OMP_LIBRARY)

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@ -19,8 +19,7 @@ if(PKG_KSPACE)
if(FFT STREQUAL "FFTW3")
find_package(${FFTW} REQUIRED)
add_definitions(-DFFT_FFTW3)
include_directories(${${FFTW}_INCLUDE_DIRS})
target_link_libraries(lammps PRIVATE ${${FFTW}_LIBRARIES})
target_link_libraries(lammps PRIVATE ${FFTW}::${FFTW})
if(FFTW3_OMP_LIBRARY OR FFTW3F_OMP_LIBRARY)
option(FFT_FFTW_THREADS "Use threaded FFTW library" ON)
else()
@ -30,7 +29,7 @@ if(PKG_KSPACE)
if(FFT_FFTW_THREADS)
if(FFTW3_OMP_LIBRARY OR FFTW3F_OMP_LIBRARY)
add_definitions(-DFFT_FFTW_THREADS)
target_link_libraries(lammps PRIVATE ${${FFTW}_OMP_LIBRARIES})
target_link_libraries(lammps PRIVATE ${FFTW}::${FFTW}_OMP)
else()
message(FATAL_ERROR "Need OpenMP enabled FFTW3 library for FFT_THREADS")
endif()