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# - Try to find FFTW3. |
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# Usage: find_package(FFTW3 [COMPONENTS [single double long-double threads]]) |
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# |
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# Variables used by this module: |
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# FFTW3_ROOT - FFTW3 root directory |
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# Variables defined by this module: |
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# FFTW3_FOUND - system has FFTW3 |
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# FFTW3_INCLUDE_DIR - the FFTW3 include directory (cached) |
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# FFTW3_INCLUDE_DIRS - the FFTW3 include directories |
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# (identical to FFTW3_INCLUDE_DIR) |
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# FFTW3[FL]?_LIBRARY - the FFTW3 library - double, single(F), |
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# long-double(L) precision (cached) |
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# FFTW3[FL]?_THREADS_LIBRARY - the threaded FFTW3 library - double, single(F), |
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# long-double(L) precision (cached) |
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# FFTW3_LIBRARIES - list of all FFTW3 libraries found |
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|
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# Copyright (C) 2009-2010 |
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# ASTRON (Netherlands Institute for Radio Astronomy) |
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# P.O.Box 2, 7990 AA Dwingeloo, The Netherlands |
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# |
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# This file is part of the LOFAR software suite. |
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# The LOFAR software suite is free software: you can redistribute it and/or |
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# modify it under the terms of the GNU General Public License as published |
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# by the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# The LOFAR software suite is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License along |
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# with the LOFAR software suite. If not, see <http://www.gnu.org/licenses/>. |
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# |
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# $Id: FindFFTW3.cmake 15918 2010-06-25 11:12:42Z loose $ |
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|
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# Use double precision by default. |
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if(FFTW3_FIND_COMPONENTS MATCHES "^$") |
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set(_components double) |
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else() |
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set(_components ${FFTW3_FIND_COMPONENTS}) |
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endif() |
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|
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# Loop over each component. |
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set(_libraries) |
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foreach(_comp ${_components}) |
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if(_comp STREQUAL "single") |
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list(APPEND _libraries fftw3f) |
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elseif(_comp STREQUAL "double") |
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list(APPEND _libraries fftw3) |
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elseif(_comp STREQUAL "long-double") |
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list(APPEND _libraries fftw3l) |
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elseif(_comp STREQUAL "threads") |
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set(_use_threads ON) |
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else(_comp STREQUAL "single") |
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message(FATAL_ERROR "FindFFTW3: unknown component `${_comp}' specified. " |
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"Valid components are `single', `double', `long-double', and `threads'.") |
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endif(_comp STREQUAL "single") |
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endforeach(_comp ${_components}) |
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|
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# If using threads, we need to link against threaded libraries as well. |
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if(_use_threads) |
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set(_thread_libs) |
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foreach(_lib ${_libraries}) |
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list(APPEND _thread_libs ${_lib}_threads) |
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endforeach(_lib ${_libraries}) |
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set(_libraries ${_thread_libs} ${_libraries}) |
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endif(_use_threads) |
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|
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# Keep a list of variable names that we need to pass on to |
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# find_package_handle_standard_args(). |
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set(_check_list) |
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|
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# Search for all requested libraries. |
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foreach(_lib ${_libraries}) |
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string(TOUPPER ${_lib} _LIB) |
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find_library(${_LIB}_LIBRARY ${_lib} |
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HINTS ${FFTW3_ROOT} PATH_SUFFIXES lib) |
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mark_as_advanced(${_LIB}_LIBRARY) |
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list(APPEND FFTW3_LIBRARIES ${${_LIB}_LIBRARY}) |
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list(APPEND _check_list ${_LIB}_LIBRARY) |
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endforeach(_lib ${_libraries}) |
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|
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# Search for the header file. |
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find_path(FFTW3_INCLUDE_DIR fftw3.h |
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HINTS ${FFTW3_ROOT} PATH_SUFFIXES include) |
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mark_as_advanced(FFTW3_INCLUDE_DIR) |
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list(APPEND _check_list FFTW3_INCLUDE_DIR) |
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|
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# Handle the QUIETLY and REQUIRED arguments and set FFTW_FOUND to TRUE if |
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# all listed variables are TRUE |
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include(FindPackageHandleStandardArgs) |
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find_package_handle_standard_args(FFTW3 DEFAULT_MSG ${_check_list}) |
