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#
# Try to find FFTW3 library
# (see www.fftw.org)
# Once run this will define:
#
# FFTW3_FOUND
# FFTW3_INCLUDE_DIR
# FFTW3_LIBRARIES
# FFTW3_LINK_DIRECTORIES
#
# You may set one of these options before including this file:
# FFTW3_USE_SSE2
#
# TODO: _F_ versions.
#
# Jan Woetzel 05/2004
# www.mip.informatik.uni-kiel.de
# --------------------------------
FIND_PATH(FFTW3_INCLUDE_DIR fftw3.h
${FFTW3_DIR}/include
${FFTW3_HOME}/include
${FFTW3_DIR}
${FFTW3_HOME}
$ENV{FFTW3_DIR}/include
$ENV{FFTW3_HOME}/include
$ENV{FFTW3_DIR}
$ENV{FFTW3_HOME}
/usr/include
/usr/local/include
$ENV{SOURCE_DIR}/fftw3
$ENV{SOURCE_DIR}/fftw3/include
$ENV{SOURCE_DIR}/fftw
$ENV{SOURCE_DIR}/fftw/include
)
#MESSAGE("DBG FFTW3_INCLUDE_DIR=${FFTW3_INCLUDE_DIR}")
SET(FFTW3_POSSIBLE_LIBRARY_PATH
${FFTW3_DIR}/lib
${FFTW3_HOME}/lib
${FFTW3_DIR}
${FFTW3_HOME}
$ENV{FFTW3_DIR}/lib
$ENV{FFTW3_HOME}/lib
$ENV{FFTW3_DIR}
$ENV{FFTW3_HOME}
/usr/lib
/usr/local/lib
$ENV{SOURCE_DIR}/fftw3
$ENV{SOURCE_DIR}/fftw3/lib
$ENV{SOURCE_DIR}/fftw
$ENV{SOURCE_DIR}/fftw/lib
)
# the lib prefix is containe din filename onf W32, unfortuantely. JW
# teh "general" lib:
FIND_LIBRARY(FFTW3_FFTW_LIBRARY
NAMES fftw3 libfftw libfftw3 libfftw3-3
PATHS
${FFTW3_POSSIBLE_LIBRARY_PATH}
)
#MESSAGE("DBG FFTW3_FFTW_LIBRARY=${FFTW3_FFTW_LIBRARY}")
FIND_LIBRARY(FFTW3_FFTWF_LIBRARY
NAMES fftwf3 fftwf libfftwf libfftwf3 libfftw3f-3
PATHS
${FFTW3_POSSIBLE_LIBRARY_PATH}
)
#MESSAGE("DBG FFTW3_FFTWF_LIBRARY=${FFTW3_FFTWF_LIBRARY}")
FIND_LIBRARY(FFTW3_FFTWL_LIBRARY
NAMES fftwl3 fftwl libfftwl libfftwl3 libfftw3l-3
PATHS
${FFTW3_POSSIBLE_LIBRARY_PATH}
)
#MESSAGE("DBG FFTW3_FFTWF_LIBRARY=${FFTW3_FFTWL_LIBRARY}")
FIND_LIBRARY(FFTW3_FFTW_SSE2_LIBRARY
NAMES fftw_sse2 fftw3_sse2 libfftw_sse2 libfftw3_sse2
PATHS
${FFTW3_POSSIBLE_LIBRARY_PATH}
)
#MESSAGE("DBG FFTW3_FFTW_SSE2_LIBRARY=${FFTW3_FFTW_SSE2_LIBRARY}")
FIND_LIBRARY(FFTW3_FFTWF_SSE_LIBRARY
NAMES fftwf_sse fftwf3_sse libfftwf_sse libfftwf3_sse
PATHS
${FFTW3_POSSIBLE_LIBRARY_PATH}
)
#MESSAGE("DBG FFTW3_FFTWF_SSE_LIBRARY=${FFTW3_FFTWF_SSE_LIBRARY}")
# --------------------------------
# select one of the above
# default:
IF (FFTW3_FFTW_LIBRARY)
SET(FFTW3_LIBRARIES ${FFTW3_FFTW_LIBRARY})
ENDIF (FFTW3_FFTW_LIBRARY)
# specialized:
IF (FFTW3_USE_SSE2 AND FFTW3_FFTW_SSE2_LIBRARY)
SET(FFTW3_LIBRARIES ${FFTW3_FFTW_SSE2_LIBRARY})
ENDIF (FFTW3_USE_SSE2 AND FFTW3_FFTW_SSE2_LIBRARY)
# --------------------------------
IF(FFTW3_LIBRARIES)
IF (FFTW3_INCLUDE_DIR)
# OK, found all we need
SET(FFTW3_FOUND TRUE)
GET_FILENAME_COMPONENT(FFTW3_LINK_DIRECTORIES ${FFTW3_LIBRARIES} PATH)
ELSE (FFTW3_INCLUDE_DIR)
MESSAGE("FFTW3 include dir not found. Set FFTW3_DIR to find it.")
ENDIF(FFTW3_INCLUDE_DIR)
ELSE(FFTW3_LIBRARIES)
MESSAGE("FFTW3 lib not found. Set FFTW3_DIR to find it.")
ENDIF(FFTW3_LIBRARIES)
MARK_AS_ADVANCED(
FFTW3_INCLUDE_DIR
FFTW3_LIBRARIES
FFTW3_FFTW_LIBRARY
FFTW3_FFTW_SSE2_LIBRARY
FFTW3_FFTWF_LIBRARY
FFTW3_FFTWF_SSE_LIBRARY
FFTW3_FFTWL_LIBRARY
FFTW3_LINK_DIRECTORIES
)
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