# http://tim.klingt.org/code/projects/supernova/repository/revisions/d336dd6f400e381bcfd720e96139656de0c53b6a/entry/cmake_modules/FindFFTW3f.cmake
# Modified to use pkg config and use standard var names

# Find single-precision (float) version of FFTW3

INCLUDE(FindPkgConfig)
PKG_CHECK_MODULES(PC_FFTW3F "fftw3f >= 3.0")

FIND_PATH(
	FFTW3F_INCLUDE_DIRS
	NAMES fftw3.h
	HINTS $ENV{FFTW3_DIR}/include
		${PC_FFTW3F_INCLUDE_DIR}
	PATHS /usr/local/include
		  /usr/include
)

FIND_LIBRARY(
	FFTW3F_LIBRARIES
	NAMES fftw3f libfftw3f
	HINTS $ENV{FFTW3_DIR}/lib
		${PC_FFTW3F_LIBDIR}
	PATHS /usr/local/lib
		  /usr/lib
		  /usr/lib64
)

FIND_LIBRARY(
	FFTW3F_THREADS_LIBRARIES
	NAMES fftw3f_threads libfftw3f_threads
	HINTS $ENV{FFTW3_DIR}/lib
		${PC_FFTW3F_LIBDIR}
	PATHS /usr/local/lib
		  /usr/lib
		  /usr/lib64
)

INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(FFTW3F DEFAULT_MSG FFTW3F_LIBRARIES FFTW3F_INCLUDE_DIRS)
MARK_AS_ADVANCED(FFTW3F_LIBRARIES FFTW3F_INCLUDE_DIRS FFTW3F_THREADS_LIBRARIES)