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CMAKE_MINIMUM_REQUIRED(VERSION 2.8 FATAL_ERROR)
CMAKE_POLICY(VERSION 2.8)
OPTION(NDEBUG "disable asserts (WARNING: this may result in silent UB e.g. with out-of-bound indices)")
IF(NOT NDEBUG)
MESSAGE(STATUS "Removing -DNDEBUG from compile flags")
STRING(REPLACE "-DNDEBUG" "" CMAKE_C_FLAGS "" ${CMAKE_C_FLAGS})
STRING(REPLACE "-DNDEBUG" "" CMAKE_C_FLAGS_DEBUG "" ${CMAKE_C_FLAGS_DEBUG})
STRING(REPLACE "-DNDEBUG" "" CMAKE_C_FLAGS_RELEASE "" ${CMAKE_C_FLAGS_RELEASE})
STRING(REPLACE "-DNDEBUG" "" CMAKE_CXX_FLAGS "" ${CMAKE_CXX_FLAGS})
STRING(REPLACE "-DNDEBUG" "" CMAKE_CXX_FLAGS_DEBUG "" ${CMAKE_CXX_FLAGS_DEBUG})
STRING(REPLACE "-DNDEBUG" "" CMAKE_CXX_FLAGS_RELEASE "" ${CMAKE_CXX_FLAGS_RELEASE})
ENDIF()
IF(NOT Torch_FOUND)
FIND_PACKAGE(Torch REQUIRED)
ENDIF()
IF(NOT TH_LIBRARIES)
SET(TH_LIBRARIES "TH")
ENDIF(NOT TH_LIBRARIES)
MESSAGE(STATUS "TH_LIBRARIES: ${TH_LIBRARIES}")
IF(NOT THC_LIBRARIES)
SET(THC_LIBRARIES "THC")
ENDIF(NOT THC_LIBRARIES)
MESSAGE(STATUS "THC_LIBRARIES: ${THC_LIBRARIES}")
IF(NOT CUDA_FOUND)
FIND_PACKAGE(CUDA 6.5 REQUIRED)
ENDIF()
# Detect CUDA architecture and get best NVCC flags
IF(NOT COMMAND CUDA_SELECT_NVCC_ARCH_FLAGS OR MSVC)
INCLUDE(${CMAKE_CURRENT_SOURCE_DIR}/cmake/select_compute_arch.cmake)
ENDIF()
CUDA_SELECT_NVCC_ARCH_FLAGS(NVCC_FLAGS_EXTRA $ENV{TORCH_CUDA_ARCH_LIST})
LIST(APPEND CUDA_NVCC_FLAGS ${NVCC_FLAGS_EXTRA})
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "4.9.3")
if(CUDA_VERSION VERSION_LESS "8.0")
MESSAGE(STATUS "Found gcc >=5 and CUDA <= 7.5, adding workaround C++ flags")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_FORCE_INLINES -D_MWAITXINTRIN_H_INCLUDED -D__STRICT_ANSI__")
endif(CUDA_VERSION VERSION_LESS "8.0")
endif(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "4.9.3")
endif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
IF(MSVC)
LIST(APPEND CUDA_NVCC_FLAGS "-Xcompiler /wd4819")
ADD_DEFINITIONS(-DTH_EXPORTS)
ENDIF()
IF(NOT THCUNN_INSTALL_LIB_SUBDIR)
SET(THCUNN_INSTALL_LIB_SUBDIR "lib" CACHE PATH "THCUNN install library directory")
SET(THCUNN_INSTALL_INCLUDE_SUBDIR "include" CACHE PATH "THCUNN install include subdirectory")
ENDIF()
FILE(GLOB src-cuda *.cu)
CUDA_INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
CUDA_ADD_LIBRARY(THCUNN MODULE ${src-cuda})
IF(MSVC)
SET_TARGET_PROPERTIES(THCUNN PROPERTIES PREFIX "lib" IMPORT_PREFIX "lib")
ENDIF()
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
TARGET_LINK_LIBRARIES(THCUNN ${THC_LIBRARIES} ${TH_LIBRARIES} ${CUDA_cusparse_LIBRARY})
# Luarocks bug pre-14.04 prevents us from setting it for Lua-Torch
IF(THCUNN_SO_VERSION)
MESSAGE(STATUS "THCUNN_SO_VERSION: ${THCUNN_SO_VERSION}")
SET_TARGET_PROPERTIES(THCUNN PROPERTIES
VERSION ${THCUNN_SO_VERSION}
SOVERSION ${THCUNN_SO_VERSION})
ENDIF(THCUNN_SO_VERSION)
INSTALL(TARGETS THCUNN LIBRARY DESTINATION ${THCUNN_INSTALL_LIB_SUBDIR})
INSTALL(FILES THCUNN.h DESTINATION "${THCUNN_INSTALL_INCLUDE_SUBDIR}/THCUNN")
INSTALL(FILES generic/THCUNN.h DESTINATION "${THCUNN_INSTALL_INCLUDE_SUBDIR}/THCUNN/generic")
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