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make FFT a selective option

This commit is contained in:
Christoph Junghans 2017-07-19 18:54:15 -06:00
parent 01bcb79bdc
commit 488609a5fd
1 changed files with 8 additions and 9 deletions
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9
cmake/CMakeLists.txt
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@ -123,15 +123,14 @@ if(ENABLE_USER-OMP OR ENABLE_KOKKOS OR ENABLE_USER-INTEL)
endif()
if(ENABLE_KSPACE)
foreach(FFT FFTW3 MKL FFTW2)
find_package(${FFT})
if(${FFT}_FOUND)
set(FFT "KISSFFT" CACHE STRING "FFT library for KSPACE package")
set_property(CACHE FFT PROPERTY STRINGS KISSFFT FFTW3 MKL FFTW2)
if(NOT FFT STREQUAL "KISSFFT")
find_package(${FFT} REQUIRED)
add_definitions(-DFFT_${FFT})
include_directories(${${FFT}_INCLUDE_DIRS})
list(APPEND LAMMPS_LINK_LIBS ${${FFT}_LIBRARIES})
break()
endif()
endforeach()
set(PACK_OPTIMIZATION "PACK_ARRAY" CACHE STRING "Optimization for FFT")
set_property(CACHE LAMMPS_SIZE_LIMIT PROPERTY STRINGS PACK_ARRAY PACK_POINTER PACK_MEMCPY)
if(NOT PACK_OPTIMIZATION STREQUAL "PACK_ARRAY")