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# | ||
# In order to have Orochi compiled with CUDA, you need to define OROCHI_ENABLE_CUEW, and add the CUDA include path to your Orochi project. | ||
# | ||
# If your project is using cmake, this script can be included: | ||
# it helps to configure your Orochi project | ||
# for example, with a line looking like that: | ||
# include(${CMAKE_SOURCE_DIR}/contrib/Orochi/Orochi/enable_cuew.cmake) | ||
# | ||
# | ||
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cmake_minimum_required(VERSION 3.10) | ||
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# Function to join paths | ||
function(join_paths result basePath additionalPath) | ||
if(WIN32) | ||
set(pathSeparator "\\") | ||
else() | ||
set(pathSeparator "/") | ||
endif() | ||
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string(REGEX REPLACE "[/\\]+$" "" basePath "${basePath}") | ||
set(joinedPath "${basePath}${pathSeparator}${additionalPath}") | ||
set(${result} "${joinedPath}" PARENT_SCOPE) | ||
endfunction() | ||
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# Function to check if a path is valid | ||
function(path_ok result inPath) | ||
if(EXISTS "${inPath}" AND IS_DIRECTORY "${inPath}") | ||
set(${result} TRUE) | ||
else() | ||
set(${result} FALSE) | ||
endif() | ||
endfunction() | ||
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# Region generated by Orochi Summoner | ||
#REGION_PREMAKE_START CudaPath | ||
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set(BEST_CUDA_VERSION_NAME "12.2") | ||
set(BEST_CUDA_ENVVAR "CUDA_PATH_V12_2") | ||
set(BEST_CUDA_PATH_LINUX "/usr/local/cuda-12.2") | ||
set(BEST_CUDA_PATH_WINDOWS "C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v12.2") | ||
set(BACKUP_CUDA_ENVVAR "CUDA_PATH") | ||
set(BACKUP_CUDA_PATH_LINUX "/usr/local/cuda") | ||
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# REGION_PREMAKE_END | ||
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# First, try the best CUDA paths | ||
if(DEFINED ENV{${BEST_CUDA_ENVVAR}}) | ||
set(cuda_path $ENV{${BEST_CUDA_ENVVAR}}) | ||
endif() | ||
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if(NOT cuda_path) | ||
path_ok(cuda_path_ok ${BEST_CUDA_PATH_LINUX}) | ||
if(cuda_path_ok) | ||
set(cuda_path ${BEST_CUDA_PATH_LINUX}) | ||
endif() | ||
endif() | ||
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if(NOT cuda_path) | ||
path_ok(cuda_path_ok ${BEST_CUDA_PATH_WINDOWS}) | ||
if(cuda_path_ok) | ||
set(cuda_path ${BEST_CUDA_PATH_WINDOWS}) | ||
endif() | ||
endif() | ||
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if(NOT cuda_path) | ||
message(WARNING "The required version of CUDA for this Orochi is not found: ${BEST_CUDA_VERSION_NAME}. It's advised that you install this version.") | ||
endif() | ||
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# If CUDA still not found, search the "backup" paths | ||
if(NOT cuda_path) | ||
if(DEFINED ENV{${BACKUP_CUDA_ENVVAR}}) | ||
set(cuda_path $ENV{${BACKUP_CUDA_ENVVAR}}) | ||
endif() | ||
endif() | ||
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if(NOT cuda_path) | ||
path_ok(cuda_path_ok ${BACKUP_CUDA_PATH_LINUX}) | ||
if(cuda_path_ok) | ||
set(cuda_path ${BACKUP_CUDA_PATH_LINUX}) | ||
endif() | ||
endif() | ||
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# Enable CUEW if CUDA is forced or if we find the CUDA SDK folder | ||
option(FORCE_CUDA "Force enable CUDA" OFF) | ||
if(FORCE_CUDA OR cuda_path) | ||
message(STATUS "CUEW is enabled.") | ||
add_definitions(-DOROCHI_ENABLE_CUEW) | ||
endif() | ||
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# If we find the CUDA SDK folder, add it to the include dir | ||
if(cuda_path) | ||
message(STATUS "CUDA SDK install folder found: ${cuda_path}") | ||
join_paths(cuda_include_path ${cuda_path} "include") | ||
include_directories(${cuda_include_path}) | ||
else() | ||
if(FORCE_CUDA) | ||
message(WARNING "WARNING: CUEW is enabled but it may not compile because CUDA SDK folder (CUDA_PATH) not found. You should install the CUDA SDK, or set CUDA_PATH.") | ||
else() | ||
message(WARNING "WARNING: CUEW is automatically disabled because CUDA SDK folder (CUDA_PATH) not found. You can force CUEW with the --forceCuda argument.") | ||
endif() | ||
endif() |