295 lines
7.2 KiB
CMake
295 lines
7.2 KiB
CMake
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# - Find the FFTW library
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#
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# Original version of this file:
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# Copyright (c) 2015, Wenzel Jakob
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# https://github.com/wjakob/layerlab/blob/master/cmake/FindFFTW.cmake, commit 4d58bfdc28891b4f9373dfe46239dda5a0b561c6
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# Modifications:
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# Copyright (c) 2017, Patrick Bos
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#
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# Usage:
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# find_package(FFTW [REQUIRED] [QUIET] [COMPONENTS component1 ... componentX] )
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#
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# It sets the following variables:
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# FFTW_FOUND ... true if fftw is found on the system
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# FFTW_[component]_LIB_FOUND ... true if the component is found on the system (see components below)
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# FFTW_LIBRARIES ... full paths to all found fftw libraries
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# FFTW_[component]_LIB ... full path to one of the components (see below)
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# FFTW_INCLUDE_DIRS ... fftw include directory paths
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#
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# The following variables will be checked by the function
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# FFTW_USE_STATIC_LIBS ... if true, only static libraries are found, otherwise both static and shared.
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# FFTW_ROOT ... if set, the libraries are exclusively searched
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# under this path
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#
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# This package supports the following components:
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# FLOAT_LIB
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# DOUBLE_LIB
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# LONGDOUBLE_LIB
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# FLOAT_THREADS_LIB
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# DOUBLE_THREADS_LIB
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# LONGDOUBLE_THREADS_LIB
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# FLOAT_OPENMP_LIB
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# DOUBLE_OPENMP_LIB
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# LONGDOUBLE_OPENMP_LIB
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#
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# TODO (maybe): extend with ExternalProject download + build option
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# TODO: put on conda-forge
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#If environment variable FFTWDIR is specified, it has same effect as FFTW_ROOT
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if( NOT FFTW_ROOT AND ENV{FFTWDIR} )
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set( FFTW_ROOT $ENV{FFTWDIR} )
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endif()
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# Check if we can use PkgConfig
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find_package(PkgConfig)
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#Determine from PKG
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if( PKG_CONFIG_FOUND AND NOT FFTW_ROOT )
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pkg_check_modules( PKG_FFTW QUIET "fftw3" )
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endif()
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#Check whether to search static or dynamic libs
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set( CMAKE_FIND_LIBRARY_SUFFIXES_SAV ${CMAKE_FIND_LIBRARY_SUFFIXES} )
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if( ${FFTW_USE_STATIC_LIBS} )
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set( CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_STATIC_LIBRARY_SUFFIX} )
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else()
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set( CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES_SAV} )
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endif()
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if( FFTW_ROOT )
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# find libs
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find_library(
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FFTW_DOUBLE_LIB
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NAMES "fftw3" libfftw3-3
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PATHS ${FFTW_ROOT}
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PATH_SUFFIXES "lib" "lib64"
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NO_DEFAULT_PATH
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)
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find_library(
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FFTW_DOUBLE_THREADS_LIB
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NAMES "fftw3_threads"
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PATHS ${FFTW_ROOT}
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PATH_SUFFIXES "lib" "lib64"
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NO_DEFAULT_PATH
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)
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find_library(
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FFTW_DOUBLE_OPENMP_LIB
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NAMES "fftw3_omp"
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PATHS ${FFTW_ROOT}
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PATH_SUFFIXES "lib" "lib64"
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NO_DEFAULT_PATH
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)
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find_library(
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FFTW_FLOAT_LIB
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NAMES "fftw3f" libfftw3f-3
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PATHS ${FFTW_ROOT}
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PATH_SUFFIXES "lib" "lib64"
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NO_DEFAULT_PATH
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)
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find_library(
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FFTW_FLOAT_THREADS_LIB
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NAMES "fftw3f_threads"
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PATHS ${FFTW_ROOT}
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PATH_SUFFIXES "lib" "lib64"
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NO_DEFAULT_PATH
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)
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find_library(
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FFTW_FLOAT_OPENMP_LIB
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NAMES "fftw3f_omp"
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PATHS ${FFTW_ROOT}
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PATH_SUFFIXES "lib" "lib64"
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NO_DEFAULT_PATH
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)
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find_library(
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FFTW_LONGDOUBLE_LIB
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NAMES "fftw3l" libfftw3l-3
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PATHS ${FFTW_ROOT}
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PATH_SUFFIXES "lib" "lib64"
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NO_DEFAULT_PATH
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)
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find_library(
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FFTW_LONGDOUBLE_THREADS_LIB
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NAMES "fftw3l_threads"
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PATHS ${FFTW_ROOT}
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PATH_SUFFIXES "lib" "lib64"
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NO_DEFAULT_PATH
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)
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find_library(
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FFTW_LONGDOUBLE_OPENMP_LIB
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NAMES "fftw3l_omp"
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PATHS ${FFTW_ROOT}
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PATH_SUFFIXES "lib" "lib64"
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NO_DEFAULT_PATH
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)
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#find includes
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find_path(FFTW_INCLUDE_DIRS
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NAMES "fftw3.h"
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PATHS ${FFTW_ROOT}
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PATH_SUFFIXES "include"
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NO_DEFAULT_PATH
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)
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else()
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find_library(
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FFTW_DOUBLE_LIB
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NAMES "fftw3"
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PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
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)
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find_library(
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FFTW_DOUBLE_THREADS_LIB
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NAMES "fftw3_threads"
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PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
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)
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find_library(
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FFTW_DOUBLE_OPENMP_LIB
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NAMES "fftw3_omp"
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PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
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)
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find_library(
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FFTW_FLOAT_LIB
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NAMES "fftw3f"
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PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
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)
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find_library(
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FFTW_FLOAT_THREADS_LIB
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NAMES "fftw3f_threads"
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PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
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)
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find_library(
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FFTW_FLOAT_OPENMP_LIB
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NAMES "fftw3f_omp"
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PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
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)
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find_library(
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FFTW_LONGDOUBLE_LIB
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NAMES "fftw3l"
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PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
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)
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find_library(
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FFTW_LONGDOUBLE_THREADS_LIB
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NAMES "fftw3l_threads"
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PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
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)
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find_library(FFTW_LONGDOUBLE_OPENMP_LIB
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NAMES "fftw3l_omp"
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PATHS ${PKG_FFTW_LIBRARY_DIRS} ${LIB_INSTALL_DIR}
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)
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find_path(FFTW_INCLUDE_DIRS
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NAMES "fftw3.h"
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PATHS ${PKG_FFTW_INCLUDE_DIRS} ${INCLUDE_INSTALL_DIR}
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)
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endif( FFTW_ROOT )
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#--------------------------------------- components
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if (FFTW_DOUBLE_LIB)
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set(FFTW_DOUBLE_LIB_FOUND TRUE)
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set(FFTW_LIBRARIES ${FFTW_LIBRARIES} ${FFTW_DOUBLE_LIB})
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else()
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set(FFTW_DOUBLE_LIB_FOUND FALSE)
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endif()
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if (FFTW_FLOAT_LIB)
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set(FFTW_FLOAT_LIB_FOUND TRUE)
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set(FFTW_LIBRARIES ${FFTW_LIBRARIES} ${FFTW_FLOAT_LIB})
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else()
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set(FFTW_FLOAT_LIB_FOUND FALSE)
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endif()
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if (FFTW_LONGDOUBLE_LIB)
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set(FFTW_LONGDOUBLE_LIB_FOUND TRUE)
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set(FFTW_LIBRARIES ${FFTW_LIBRARIES} ${FFTW_LONGDOUBLE_LIB})
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else()
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set(FFTW_LONGDOUBLE_LIB_FOUND FALSE)
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endif()
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if (FFTW_DOUBLE_THREADS_LIB)
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set(FFTW_DOUBLE_THREADS_LIB_FOUND TRUE)
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set(FFTW_LIBRARIES ${FFTW_LIBRARIES} ${FFTW_DOUBLE_THREADS_LIB})
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else()
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set(FFTW_DOUBLE_THREADS_LIB_FOUND FALSE)
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endif()
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if (FFTW_FLOAT_THREADS_LIB)
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set(FFTW_FLOAT_THREADS_LIB_FOUND TRUE)
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set(FFTW_LIBRARIES ${FFTW_LIBRARIES} ${FFTW_FLOAT_THREADS_LIB})
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else()
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set(FFTW_FLOAT_THREADS_LIB_FOUND FALSE)
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endif()
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if (FFTW_LONGDOUBLE_THREADS_LIB)
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set(FFTW_LONGDOUBLE_THREADS_LIB_FOUND TRUE)
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set(FFTW_LIBRARIES ${FFTW_LIBRARIES} ${FFTW_LONGDOUBLE_THREADS_LIB})
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else()
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set(FFTW_LONGDOUBLE_THREADS_LIB_FOUND FALSE)
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endif()
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if (FFTW_DOUBLE_OPENMP_LIB)
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set(FFTW_DOUBLE_OPENMP_LIB_FOUND TRUE)
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set(FFTW_LIBRARIES ${FFTW_LIBRARIES} ${FFTW_DOUBLE_OPENMP_LIB})
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else()
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set(FFTW_DOUBLE_OPENMP_LIB_FOUND FALSE)
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endif()
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if (FFTW_FLOAT_OPENMP_LIB)
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set(FFTW_FLOAT_OPENMP_LIB_FOUND TRUE)
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set(FFTW_LIBRARIES ${FFTW_LIBRARIES} ${FFTW_FLOAT_OPENMP_LIB})
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else()
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set(FFTW_FLOAT_OPENMP_LIB_FOUND FALSE)
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endif()
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if (FFTW_LONGDOUBLE_OPENMP_LIB)
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set(FFTW_LONGDOUBLE_OPENMP_LIB_FOUND TRUE)
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set(FFTW_LIBRARIES ${FFTW_LIBRARIES} ${FFTW_LONGDOUBLE_OPENMP_LIB})
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else()
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set(FFTW_LONGDOUBLE_OPENMP_LIB_FOUND FALSE)
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endif()
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#--------------------------------------- end components
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set( CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES_SAV} )
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(FFTW
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REQUIRED_VARS FFTW_INCLUDE_DIRS
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HANDLE_COMPONENTS
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)
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mark_as_advanced(
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FFTW_INCLUDE_DIRS
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FFTW_LIBRARIES
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FFTW_FLOAT_LIB
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FFTW_DOUBLE_LIB
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FFTW_LONGDOUBLE_LIB
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FFTW_FLOAT_THREADS_LIB
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FFTW_DOUBLE_THREADS_LIB
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FFTW_LONGDOUBLE_THREADS_LIB
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FFTW_FLOAT_OPENMP_LIB
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FFTW_DOUBLE_OPENMP_LIB
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FFTW_LONGDOUBLE_OPENMP_LIB
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)
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