lammps/cmake/Modules/FindFFTW3.cmake

28 lines
1014 B
CMake

# - Find fftw3
# Find the native double precision FFTW3 headers and libraries.
#
# FFTW3_INCLUDE_DIRS - where to find fftw3.h, etc.
# FFTW3_LIBRARIES - List of libraries when using fftw3.
# FFTW3_OMP_LIBRARIES - List of libraries when using fftw3.
# FFTW3_FOUND - True if fftw3 found.
#
find_package(PkgConfig)
pkg_check_modules(PC_FFTW3 fftw3)
find_path(FFTW3_INCLUDE_DIR fftw3.h HINTS ${PC_FFTW3_INCLUDE_DIRS})
find_library(FFTW3_LIBRARY NAMES fftw3 HINTS ${PC_FFTW3_LIBRARY_DIRS})
find_library(FFTW3_OMP_LIBRARY NAMES fftw3_omp HINTS ${PC_FFTW3_LIBRARY_DIRS})
set(FFTW3_INCLUDE_DIRS ${FFTW3_INCLUDE_DIR})
set(FFTW3_LIBRARIES ${FFTW3_LIBRARY})
set(FFTW3_OMP_LIBRARIES ${FFTW3_OMP_LIBRARY})
include(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set FFTW3_FOUND to TRUE
# if all listed variables are TRUE
find_package_handle_standard_args(FFTW3 DEFAULT_MSG FFTW3_LIBRARY FFTW3_INCLUDE_DIR)
mark_as_advanced(FFTW3_INCLUDE_DIR FFTW3_LIBRARY FFTW3_OMP_LIBRARY)