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792cf7a262
Remove the REQUIRED flag from pkg_check_modules for when pkg-config is available but cannot locate FFTW.
48 lines
1.3 KiB
CMake
48 lines
1.3 KiB
CMake
# FindFFTW.cmake - Try to find FFTW3
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# Copyright (c) 2018 Lukas W <lukaswhl/at/gmail.com>
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# This file is MIT licensed.
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# See http://opensource.org/licenses/MIT
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# Try pkgconfig for hints
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find_package(PkgConfig QUIET)
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if(NOT FFTW_FIND_COMPONENTS)
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set(FFTW_FIND_COMPONENTS fftw3f fftw3 fftwl)
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endif()
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if(PKG_CONFIG_FOUND)
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pkg_check_modules(FFTW_PKG QUIET fftw>=3.0.0)
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pkg_check_modules(FFTW3_PKG QUIET fftw3>=3.0.0)
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endif()
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find_path(FFTW_INCLUDE_DIR
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NAMES fftw3.h
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PATHS ${FFTW_PKG_INCLUDE_DIRS} ${FFTW3_PKG_INCLUDE_DIRS}
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)
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set(check_list)
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foreach(comp ${FFTW_FIND_COMPONENTS})
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string(TOUPPER ${comp} COMP)
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if(PKG_CONFIG_FOUND)
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pkg_check_modules(${COMP}_PKG QUIET ${comp}>=3.0.0)
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endif()
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find_library(${COMP}_LIBRARY
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NAMES ${comp}
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PATHS ${comp}_PKG_LIBRARY_DIRS
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)
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list(APPEND check_list ${COMP}_LIBRARY)
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set(${COMP}_LIBRARIES ${${COMP}_LIBRARY} CACHE FILEPATH "${COMP} library path")
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set(${COMP}_INCLUDE_DIRS ${FFTW_INCLUDE_DIR} CACHE PATH "${COMP} include path")
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mark_as_advanced(${COMP}_LIBRARIES ${COMP}_INCLUDE_DIRS)
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endforeach()
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find_package(PackageHandleStandardArgs)
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find_package_handle_standard_args(FFTW DEFAULT_MSG FFTW_INCLUDE_DIR ${check_list})
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set(FFTW_INCLUDE_DIRS ${FFTW_INCLUDE_DIR})
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mark_as_advanced(FFTW_LIBRARY FFTW_LIBRARIES FFTW_INCLUDE_DIR FFTW_INCLUDE_DIRS ${check_list})
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