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# FFTWF_INCLUDE_DIR = fftw3.h
# FFTWF_LIBRARIES = libfftw3.a
# FFTWF_FOUND = true if FFTW3 is found
IF(FFTWF_INCLUDE_DIRS)
FIND_PATH(FFTWF_INCLUDE_DIR fftw3.h ${FFTWF_INCLUDE_DIRS})
FIND_LIBRARY(FFTWF_LIBRARY fftw3f ${FFTWF_LIBRARY_DIRS})
FIND_LIBRARY(FFTWF_THREADS_LIBRARY fftw3f_threads ${FFTWF_LIBRARY_DIRS})
ELSE(FFTWF_INCLUDE_DIRS)
SET(TRIAL_PATHS
$ENV{FFTWF_HOME}/include
/usr/include
/usr/local/include
/opt/include
/usr/apps/include
/opt/local
)
SET(TRIAL_LIBRARY_PATHS
$ENV{FFTWF_HOME}/lib
/usr/lib
/usr/local/lib
/opt/lib
/sw/lib
/opt/local
)
FIND_PATH(FFTWF_INCLUDE_DIR fftw3.h ${TRIAL_PATHS})
FIND_LIBRARY(FFTWF_LIBRARIES fftw3f ${TRIAL_LIBRARY_PATHS})
FIND_LIBRARY(FFTWF_THREADS_LIBRARIES fftw3f_threads ${TRIAL_LIBRARY_PATHS})
ENDIF(FFTWF_INCLUDE_DIRS)
IF(FFTWF_INCLUDE_DIR AND FFTWF_LIBRARIES AND FFTWF_THREADS_LIBRARIES)
SET(FFTWF_FOUND TRUE)
ELSE()
SET(FFTWF_FOUND FALSE)
ENDIF()
IF(FFTWF_FOUND)
SET(FFTWF_LIBRARIES ${FFTWF_LIBRARIES} ${FFTWF_THREADS_LIBRARIES})
MESSAGE(STATUS "Found FFTW3F (FFTWF_INCLUDE_DIR = ${FFTWF_INCLUDE_DIR})")
MESSAGE(STATUS "Found FFTW3F (FFTWF_LIBRARIES = ${FFTWF_LIBRARIES})")
ELSE()
MESSAGE(FATAL_ERROR "Could not find FFTW3F")
ENDIF()
MARK_AS_ADVANCED(
FFTWF_INCLUDE_DIR
FFTWF_LIBRARIES
FFTWF_FOUND
)
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