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#
# Try to find CUDA compiler, runtime libraries, and include path.
# Once done this will define
#
# CUDA_FOUND
# CUDA_INCLUDE_PATH
# CUDA_RUNTIME_LIBRARY
# CUDA_COMPILER
#
# It will also define the following macro:
#
# WRAP_CUDA
#
IF (WIN32)
FIND_PROGRAM (CUDA_COMPILER nvcc.exe
$ENV{CUDA_BIN_PATH}
DOC "The CUDA Compiler")
ELSE(WIN32)
FIND_PROGRAM (CUDA_COMPILER nvcc
$ENV{CUDA_BIN_PATH}
/usr/local/cuda/bin
DOC "The CUDA Compiler")
ENDIF(WIN32)
IF (CUDA_COMPILER)
GET_FILENAME_COMPONENT (CUDA_COMPILER_DIR ${CUDA_COMPILER} PATH)
GET_FILENAME_COMPONENT (CUDA_COMPILER_SUPER_DIR ${CUDA_COMPILER_DIR} PATH)
ELSE (CUDA_COMPILER)
SET (CUDA_COMPILER_DIR .)
SET (CUDA_COMPILER_SUPER_DIR ..)
ENDIF (CUDA_COMPILER)
FIND_PATH (CUDA_INCLUDE_PATH cuda_runtime.h
$ENV{CUDA_INC_PATH}
${CUDA_COMPILER_SUPER_DIR}/include
${CUDA_COMPILER_DIR}
DOC "The directory where CUDA headers reside")
FIND_LIBRARY (CUDA_RUNTIME_LIBRARY
NAMES cudart
PATHS
$ENV{CUDA_LIB_PATH}
${CUDA_COMPILER_SUPER_DIR}/lib
${CUDA_COMPILER_DIR}
DOC "The CUDA runtime library")
IF(WIN32)
FIND_PATH (VC_SDK_INCLUDE_PATH Windows.h
"C:/Program Files/Microsoft SDKs/Windows/v6.0A/Include"
DOC "The directory where the Visual Studio SDK include files reside")
FIND_PATH (VC_SDK_LIB_PATH Uuid.lib
"C:/Program Files/Microsoft SDKs/Windows/v6.0A/Lib"
DOC "The directory where the Visual Studio SDK library files reside")
ENDIF(WIN32)
IF (CUDA_INCLUDE_PATH AND CUDA_RUNTIME_LIBRARY)
SET (CUDA_FOUND TRUE)
ELSE (CUDA_INCLUDE_PATH AND CUDA_RUNTIME_LIBRARY)
SET (CUDA_FOUND FALSE)
ENDIF (CUDA_INCLUDE_PATH AND CUDA_RUNTIME_LIBRARY)
SET (CUDA_LIBRARIES ${CUDA_RUNTIME_LIBRARY})
MARK_AS_ADVANCED (CUDA_FOUND CUDA_COMPILER CUDA_RUNTIME_LIBRARY)
#SET(CUDA_OPTIONS "-ncfe")
IF(UNIX AND K3D_UINT_T_64_BITS)
SET(CUDA_LINUX_64_FLAGS -Xcompiler -fPIC)
ELSE(UNIX AND K3D_UINT_T_64_BITS)
SET(CUDA_LINUX_64_FLAGS "")
ENDIF(UNIX AND K3D_UINT_T_64_BITS)
SET(CUDA_OPTIONS "")
OPTION(CUDA_EMULATION "Enable Device Emulation" ON)
IF (CUDA_EMULATION)
SET (CUDA_OPTIONS "${CUDA_OPTIONS}-deviceemu;-D_DEVICEEMU;-g")
ENDIF (CUDA_EMULATION)
# Get include directories.
MACRO(GET_CUDA_INC_DIRS _cuda_INC_DIRS)
SET(${_cuda_INC_DIRS})
GET_DIRECTORY_PROPERTY(_inc_DIRS INCLUDE_DIRECTORIES)
FOREACH(_current ${_inc_DIRS})
SET(${_cuda_INC_DIRS} ${${_cuda_INC_DIRS}} "-I" ${_current})
ENDFOREACH(_current ${_inc_DIRS})
SET(${_cuda_INC_DIRS} ${${_cuda_INC_DIRS}} "-I" ${CUDA_INCLUDE_PATH})
IF(WIN32)
SET(${_cuda_INC_DIRS} ${${_cuda_INC_DIRS}} "-I" ${VC_SDK_INCLUDE_PATH})
SET(${_cuda_INC_DIRS} ${${_cuda_INC_DIRS}} "-L" ${VC_SDK_LIB_PATH})
ENDIF(WIN32)
#MESSAGE("_cuda_INC_DIRS = ${${_cuda_INC_DIRS}}")
# IF (CMAKE_SYTEM_INCLUDE_PATH)
# SET(${_cuda_INC_DIRS} ${${_cuda_INC_DIRS}} "-I" ${CMAKE_SYSTEM_INCLUDE_PATH})
# ENDIF (CMAKE_SYTEM_INCLUDE_PATH)
# IF (CMAKE_INCLUDE_PATH)
# SET(${_cuda_INC_DIRS} ${${_cuda_INC_DIRS}} "-I" ${CMAKE_INCLUDE_PATH})
# ENDIF (CMAKE_INCLUDE_PATH)
ENDMACRO(GET_CUDA_INC_DIRS)
# Get file dependencies.
MACRO (GET_CUFILE_DEPENDENCIES dependencies file)
GET_FILENAME_COMPONENT(filepath ${file} PATH)
# parse file for dependencies
FILE(READ "${file}" CONTENTS)
#STRING(REGEX MATCHALL "#[ \t]*include[ \t]+[<\"][^>\"]*" DEPS "${CONTENTS}")
STRING(REGEX MATCHALL "#[ \t]*include[ \t]+\"[^\"]*" DEPS "${CONTENTS}")
SET(${dependencies})
FOREACH(DEP ${DEPS})
STRING(REGEX REPLACE "#[ \t]*include[ \t]+\"" "" DEP "${DEP}")
# clear the dependency path so that the correct version of the file can be found
SET (PATH_OF_${DEP} "${PATH_OF_${DEP}}-NOTFOUND")
FIND_PATH(PATH_OF_${DEP} ${DEP} ${filepath})
IF(NOT ${PATH_OF_${DEP}} STREQUAL PATH_OF_${DEP}-NOTFOUND)
#MESSAGE("${file} : ${PATH_OF_${DEP}}/${DEP}")
SET(${dependencies} ${${dependencies}} ${PATH_OF_${DEP}}/${DEP})
ENDIF(NOT ${PATH_OF_${DEP}} STREQUAL PATH_OF_${DEP}-NOTFOUND)
ENDFOREACH(DEP)
ENDMACRO (GET_CUFILE_DEPENDENCIES)
# Get the dependencies (simplified)
MACRO (GET_CUFILE_DEPS depend file)
GET_FILENAME_COMPONENT(filepath ${file} PATH)
# parse file for dependencies
FILE(READ "${file}" CONTENTS)
STRING(REGEX MATCHALL "#[ \t]*include[ \t]+\"[^\"]*" DEPS "${CONTENTS}")
SET(${depend})
FOREACH(DEP ${DEPS})
STRING(REGEX REPLACE "#[ \t]*include[ \t]+\"" "" DEP "${DEP}")
SET(${depend} ${${depend}} "${DEP}")
ENDFOREACH(DEP)
ENDMACRO (GET_CUFILE_DEPS)
# WRAP_CUDA(outfile ...)
IF(WIN32)
SET(CUTIL_LIB "cutil32")
SET(OFILE ${k3d_BINARY_DIR}/bin/libk3d-cuda-shared.dll)
SET(CUDA_LIB_OUTPUT_PATH "bin")
ELSE(WIN32)
SET(CUTIL_LIB "cutil")
SET(OFILE ${k3d_BINARY_DIR}/lib/libk3d-cuda-shared.so)
SET(CUDA_LIB_OUTPUT_PATH "lib")
ENDIF(WIN32)
MACRO (WRAP_CUDA outfiles)
GET_CUDA_INC_DIRS(cuda_includes)
#MESSAGE(${cuda_includes})
FOREACH (INFILE ${ARGN})
GET_FILENAME_COMPONENT (ABSFILE ${INFILE} ABSOLUTE)
SET(INFILES ${INFILES} ${ABSFILE})
ENDFOREACH (INFILE)
GET_CUFILE_DEPS(CUDEPS ${INFILES})
ADD_CUSTOM_COMMAND (
OUTPUT ${OFILE}
COMMAND ${CUDA_COMPILER}
ARGS -shared ${CUDA_LINUX_64_FLAGS}
${CUDA_OPTIONS}
${cuda_includes} -o ${OFILE} ${INFILES}
-lcudart
DEPENDS ${INFILES} ${CUDEPS})
#MACRO_ADD_FILE_DEPENDENCIES(${CUFILE} ${OFILE})
SET (${outfiles} ${${outfiles}} ${OFILE})
SET_SOURCE_FILES_PROPERTIES(${outfiles} PROPERTIES GENERATED 1)
INSTALL(FILES ${OFILE} DESTINATION ${CUDA_LIB_OUTPUT_PATH})
ENDMACRO (WRAP_CUDA)
# define a makro to build a CUDA module
MACRO(K3D_BUILD_CUDA_MODULE PLUGIN_NAME)
PROJECT(${PLUGIN_NAME})
FILE(GLOB SOURCES *.cpp)
IF(CMAKE_HAS_SORT)
LIST(SORT SOURCES)
ENDIF(CMAKE_HAS_SORT)
ADD_LIBRARY(${PROJECT_NAME} SHARED ${CUDA_SOURCES} ${SOURCES} )
SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES PREFIX "" SUFFIX ".module" LINK_FLAG -L.)
INSTALL(TARGETS ${PROJECT_NAME}
RUNTIME DESTINATION lib/k3d/plugins
LIBRARY DESTINATION lib/k3d/plugins)
ENDMACRO(K3D_BUILD_CUDA_MODULE)
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