more work towards a modern cmake. As a first example reworked FFTW3 binding.
This commit is contained in:
@ -1,7 +1,7 @@
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# - Find fftw3 library
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# Find the native FFTW3 includes and library
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# This module defines
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# FFTW3_INCLUDE_DIR, where to find fftw3.h, etc.
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# FFTW3_INCLUDE, where to find fftw3.h, etc.
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# ---
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# FFTW3_LIBRARY, library to link against to use FFTW3
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# FFTW3_OMP_LIBRARY, library to link against to use FFTW3_omp
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@ -31,17 +31,53 @@
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# FFTW3Q_OMP_FOUND, if false, do not try to use OpenMP FFTW3q.
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# FFTW3Q_THREADS_FOUND, if false, do not try to use threaded FFTW3q.
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find_path(FFTW3_INCLUDE_DIR fftw3.h
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function(add_imported_library lib_name library headers)
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add_library(FFTW3::${lib_name} UNKNOWN IMPORTED)
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set_target_properties(FFTW3::${lib_name} PROPERTIES
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IMPORTED_LOCATION ${library}
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INTERFACE_INCLUDE_DIRECTORIES ${headers}
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)
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set(${lib_name}_FOUND 1 CACHE INTERNAL "FFTW3 ${lib_name} found" FORCE)
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set(${lib_name}_LIBRARY ${library}
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CACHE STRING "Path to FFTW3::${lib_name} library" FORCE)
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set(FFTW3_INCLUDE ${headers}
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CACHE STRING "Path to FFTW3 headers" FORCE)
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mark_as_advanced(FORCE ${lib_name}_LIBRARY)
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mark_as_advanced(FORCE FFTW3_INCLUDE)
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endfunction()
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#as35 if (FFTW3_LIBRARY AND FFTW3_INCLUDE)
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#as35 add_imported_library(${FFTW3_LIBRARY} ${FFTW3_INCLUDE})
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#as35 if (FFTW3_OMP_LIBRARY AND FFTW3_INCLUDE)
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#as35 add_imported_library(${FFTW3_OMP_LIBRARY} ${FFTW3_INCLUDE})
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#as35 elseif (FFTW3_THREAD_LIBRARY AND FFTW3_INCLUDE)
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#as35 add_imported_library(${FFTW3_THRED_LIBRARY} ${FFTW3_INCLUDE})
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#as35 elseif (FFTW3L_LIBRARY AND FFTW3_INCLUDE)
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#as35 add_imported_library(${FFTW3L_LIBRARY} ${FFTW3_INCLUDE})
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#as35 elseif (FFTW3L_OMP_LIBRARY AND FFTW3_INCLUDE)
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#as35 add_imported_library(${FFTW3L_OMP_LIBRARY} ${FFTW3_INCLUDE})
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#as35 elseif (FFTW3L_THREAD_LIBRARY AND FFTW3_INCLUDE)
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#as35 add_imported_library(${FFTW3L_THRED_LIBRARY} ${FFTW3_INCLUDE})
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#as35 elseif (FFTW3F_LIBRARY AND FFTW3_INCLUDE)
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#as35 add_imported_library(${FFTW3F_LIBRARY} ${FFTW3_INCLUDE})
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#as35 elseif (FFTW3F_OMP_LIBRARY AND FFTW3_INCLUDE)
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#as35 add_imported_library(${FFTW3F_OMP_LIBRARY} ${FFTW3_INCLUDE})
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#as35 elseif (FFTW3F_THREAD_LIBRARY AND FFTW3_INCLUDE)
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#as35 add_imported_library(${FFTW3F_THRED_LIBRARY} ${FFTW3_INCLUDE})
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#as35 elseif (FFTW3Q_LIBRARY AND FFTW3_INCLUDE)
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#as35 add_imported_library(${FFTW3Q_LIBRARY} ${FFTW3_INCLUDE})
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#as35 elseif (FFTW3Q_OMP_LIBRARY AND FFTW3_INCLUDE)
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#as35 add_imported_library(${FFTW3Q_OMP_LIBRARY} ${FFTW3_INCLUDE})
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#as35 elseif (FFTW3Q_THREAD_LIBRARY AND FFTW3_INCLUDE)
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#as35 add_imported_library(${FFTW3Q_THRED_LIBRARY} ${FFTW3_INCLUDE})
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#as35 endif()
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#as35 return()
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#as35 endif()
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find_path(FFTW3_INCLUDE NAMES fftw3.h
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HINTS "/usr/include" "/opt/local/include"
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)
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# find position of fftw3.h from the end
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string(FIND "${FFTW3_INCLUDE_DIR}" "/fftw3.h" pos REVERSE)
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# truncate the string
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string(SUBSTRING "${FFTW3_INCLUDE_DIR}" 0 ${pos} substr)
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set(FFTW3_INCLUDE_DIR ${substr})
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unset(substr)
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find_library(FFTW3_LIBRARY fftw3)
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find_library(FFTW3_OMP_LIBRARY fftw3_omp)
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find_library(FFTW3_THREAD_LIBRARY fftw3_threads)
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@ -58,94 +94,126 @@ find_library(FFTW3Q_THREAD_LIBRARY fftw3q_threads)
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# handle the QUIETLY and REQUIRED arguments and set FFTW3_FOUND to TRUE if
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# all listed variables are TRUE
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include(${CMAKE_ROOT}/Modules/FindPackageHandleStandardArgs.cmake)
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# FFTW3
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find_package_handle_standard_args(FFTW3
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REQUIRED_VARS FFTW3_LIBRARY FFTW3_INCLUDE_DIR
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VERSION_VAR "3")
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DEFAULT_MSG FFTW3_LIBRARY FFTW3_INCLUDE
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)
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if (FFTW3_FOUND)
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add_imported_library("FFTW3" "${FFTW3_LIBRARY}" "${FFTW3_INCLUDE}")
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endif()
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# FFTW3_OMP
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find_package_handle_standard_args(FFTW3_OMP
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REQUIRED_VARS FFTW3_OMP_LIBRARY FFTW3_INCLUDE_DIR
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VERSION_VAR "3")
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REQUIRED_VARS FFTW3_OMP_LIBRARY FFTW3_INCLUDE
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HANDLE_COMPONENTS
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NAME_MISMATCHED
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)
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if (FFTW3_OMP_FOUND)
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add_imported_library("FFTW3_OMP" "${FFTW3_OMP_LIBRARY}" "${FFTW3_INCLUDE}")
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endif()
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# FFTW3_THREAD
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find_package_handle_standard_args(FFTW3_THREAD
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REQUIRED_VARS FFTW3_THREAD_LIBRARY FFTW3_INCLUDE_DIR
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VERSION_VAR "3")
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REQUIRED_VARS FFTW3_THREAD_LIBRARY FFTW3_INCLUDE
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HANDLE_COMPONENTS
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NAME_MISMATCHED
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)
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if (FFTW3_THREAD_FOUND)
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add_imported_library("FFTW3_THREAD" "${FFTW3_THREAD_LIBRARY}" "${FFTW3_INCLUDE}")
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endif()
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# FFTW3L
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find_package_handle_standard_args(FFTW3L
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REQUIRED_VARS FFTW3L_LIBRARY FFTW3_INCLUDE_DIR
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VERSION_VAR "3")
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REQUIRED_VARS FFTW3L_LIBRARY FFTW3_INCLUDE
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HANDLE_COMPONENTS
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NAME_MISMATCHED
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)
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if (FFTW3L_FOUND)
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add_imported_library("FFTW3L" "${FFTW3L_LIBRARY}" "${FFTW3_INCLUDE}")
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endif()
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# FFTW3L_OMP
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find_package_handle_standard_args(FFTW3L_OMP
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REQUIRED_VARS FFTW3L_OMP_LIBRARY FFTW3_INCLUDE_DIR
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VERSION_VAR "3")
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REQUIRED_VARS FFTW3L_OMP_LIBRARY FFTW3_INCLUDE
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HANDLE_COMPONENTS
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NAME_MISMATCHED
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)
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if (FFTW3L_OMP_FOUND)
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add_imported_library("FFTW3L_OMP" "${FFTW3L_OMP_LIBRARY}" "${FFTW3_INCLUDE}")
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endif()
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# FFTW3L_THREAD
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find_package_handle_standard_args(FFTW3L_THREAD
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REQUIRED_VARS FFTW3L_THREAD_LIBRARY FFTW3_INCLUDE_DIR
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VERSION_VAR "3")
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REQUIRED_VARS FFTW3L_THREAD_LIBRARY FFTW3_INCLUDE
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HANDLE_COMPONENTS
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NAME_MISMATCHED
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)
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if (FFTW3L_THREAD_FOUND)
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add_imported_library("FFTW3L_THREAD" "${FFTW3L_THREAD_LIBRARY}" "${FFTW3_INCLUDE}")
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endif()
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# FFTW3F
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find_package_handle_standard_args(FFTW3F
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REQUIRED_VARS FFTW3F_LIBRARY FFTW3_INCLUDE_DIR
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VERSION_VAR "3")
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REQUIRED_VARS FFTW3F_LIBRARY FFTW3_INCLUDE
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HANDLE_COMPONENTS
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NAME_MISMATCHED
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)
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if (FFTW3F_FOUND)
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add_imported_library("FFTW3F" "${FFTW3F_LIBRARY}" "${FFTW3_INCLUDE}")
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endif()
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# FFTW3F_OMP
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find_package_handle_standard_args(FFTW3F_OMP
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REQUIRED_VARS FFTW3F_OMP_LIBRARY FFTW3_INCLUDE_DIR
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VERSION_VAR "3")
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REQUIRED_VARS FFTW3F_OMP_LIBRARY FFTW3_INCLUDE
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HANDLE_COMPONENTS
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NAME_MISMATCHED
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)
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if (FFTW3F_OMP_FOUND)
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add_imported_library("FFTW3F_OMP" "${FFTW3F_OMP_LIBRARY}" "${FFTW3_INCLUDE}")
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endif()
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# FFTW3F_THREAD
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find_package_handle_standard_args(FFTW3F_THREAD
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REQUIRED_VARS FFTW3F_THREAD_LIBRARY FFTW3_INCLUDE_DIR
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VERSION_VAR "3")
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REQUIRED_VARS FFTW3F_THREAD_LIBRARY FFTW3_INCLUDE
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HANDLE_COMPONENTS
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NAME_MISMATCHED
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)
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if (FFTW3F_THREAD_FOUND)
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add_imported_library("FFTW3F_THREAD" "${FFTW3F_THREAD_LIBRARY}" "${FFTW3_INCLUDE}")
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endif()
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# FFTW3Q
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find_package_handle_standard_args(FFTW3Q
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REQUIRED_VARS FFTW3Q_LIBRARY FFTW3_INCLUDE_DIR
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VERSION_VAR "3")
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REQUIRED_VARS FFTW3Q_LIBRARY FFTW3_INCLUDE
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HANDLE_COMPONENTS
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NAME_MISMATCHED
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)
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if (FFTW3Q_FOUND)
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add_imported_library("FFTW3Q" "${FFTW3Q_LIBRARY}" "${FFTW3_INCLUDE}")
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endif()
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# FFTW3Q_OMP
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find_package_handle_standard_args(FFTW3Q_OMP
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REQUIRED_VARS FFTW3Q_OMP_LIBRARY FFTW3_INCLUDE_DIR
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VERSION_VAR "3")
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REQUIRED_VARS FFTW3Q_OMP_LIBRARY FFTW3_INCLUDE
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HANDLE_COMPONENTS
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NAME_MISMATCHED
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)
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if (FFTW3Q_OMP_FOUND)
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add_imported_library("FFTW3Q_OMP" "${FFTW3Q_OMP_LIBRARY}" "${FFTW3_INCLUDE}")
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endif()
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# FFTW3Q_THREAD
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find_package_handle_standard_args(FFTW3Q_THREAD
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REQUIRED_VARS FFTW3Q_THREAD_LIBRARY FFTW3_INCLUDE_DIR
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VERSION_VAR "3")
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if (NOT FFTW3_FOUND)
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unset(FFTW3_LIBRARY)
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endif()
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if (NOT FFTW3_OMP_FOUND)
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unset(FFTW3_OMP_LIBRARY)
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endif()
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if (NOT FFTW3_THREAD_FOUND)
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unset(FFTW3_THREAD_LIBRARY)
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REQUIRED_VARS FFTW3Q_THREAD_LIBRARY FFTW3_INCLUDE
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HANDLE_COMPONENTS
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NAME_MISMATCHED
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)
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if (FFTW3Q_THREAD_FOUND)
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add_imported_library("FFTW3Q_THREAD" "${FFTW3Q_THREAD_LIBRARY}" "${FFTW3_INCLUDE}")
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endif()
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if (NOT FFTW3L_FOUND)
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unset(FFTW3L_LIBRARY)
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endif()
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if (NOT FFTW3L_OMP_FOUND)
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unset(FFTW3L_OMP_LIBRARY)
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endif()
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if (NOT FFTW3L_THREAD_FOUND)
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unset(FFTW3L_THREAD_LIBRARY)
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endif()
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if (NOT FFTW3F_FOUND)
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unset(FFTW3F_LIBRARY)
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endif()
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if (NOT FFTW3F_OMP_FOUND)
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unset(FFTW3F_OMP_LIBRARY)
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endif()
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if (NOT FFTW3F_THREAD_FOUND)
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unset(FFTW3F_THREAD_LIBRARY)
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endif()
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if (NOT FFTW3Q_FOUND)
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unset(FFTW3Q_LIBRARY)
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endif()
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if (NOT FFTW3Q_OMP_FOUND)
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unset(FFTW3Q_OMP_LIBRARY)
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endif()
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if (NOT FFTW3Q_THREAD_FOUND)
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unset(FFTW3Q_THREAD_LIBRARY)
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endif()
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mark_as_advanced(
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FFTW3_INCLUDE_DIR
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FFTW3_LIBRARY FFTW3_OMP_LIBRARY FFTW3_THREAD_LIBRARY
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FFTW3L_LIBRARY FFTW3L_OMP_LIBRARY FFTW3L_THREAD_LIBRARY
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FFTW3F_LIBRARY FFTW3F_OMP_LIBRARY FFTW3F_THREAD_LIBRARY
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FFTW3Q_LIBRARY FFTW3Q_OMP_LIBRARY FFTW3Q_THREAD_LIBRARY
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)
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if (FFTW3_FOUND)
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message("-- Found FFTW3: ${FFTW3_INCLUDE_DIR}")
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message("-- Found FFTW3: ${FFTW3_INCLUDE}")
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endif (FFTW3_FOUND)
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