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CMakeLists.txt
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# To use
# cmake -DPARALLEL={OFF or On} -S ../ -B . (in build ofc)
cmake_minimum_required(VERSION 3.0.2)
option(PARALLEL "Enable cuda parallelism" OFF)
project(GPGPU)
SET(VERBOSE OFF)
# options de compilation
set(CMAKE_CXX_STANDARD 17)
if(VERBOSE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
endif()
# chemin vers les header files
include_directories(include)
# Ajouter les fichiers sources seqentiels
SET( NBODY_SRC
src/Body.cpp src/Vec3.cpp src/random_init.cpp src/NBody.cpp src/Viewer.cpp src/Physics.cpp src/main.cpp
OpenGL_libs/src/GLBatch.cpp OpenGL_libs/src/glew.c OpenGL_libs/src/GLShaderManager.cpp OpenGL_libs/src/GLTools.cpp OpenGL_libs/src/GLTriangleBatch.cpp OpenGL_libs/src/math3d.cpp
)
# Ajouter les fichiers sources CUDA
SET( NBODY_SRC_CUDA
#.cu & .cpp
src/Body.cpp src/Vec3.cpp src/random_init.cpp src/NBody.cpp src/Viewer.cpp src/Physics.cpp cuda_kernels/NBody_cuda.cu
OpenGL_libs/src/GLBatch.cpp OpenGL_libs/src/glew.c OpenGL_libs/src/GLShaderManager.cpp OpenGL_libs/src/GLTools.cpp OpenGL_libs/src/GLTriangleBatch.cpp OpenGL_libs/src/math3d.cpp
)
# Here the building scheme diverges
if(PARALLEL)
message("================================")
message("Using the CUDA parallelism build")
message("================================")
# CUDA Libraries
find_package(CUDA)
if(CUDA_FOUND)
enable_language(CUDA)
include_directories(cuda_kernels include)
add_executable(nbody_cuda ${NBODY_SRC_CUDA})
endif()
# the GL libs family
find_package(OpenGL REQUIRED)
find_package(GLUT REQUIRED)
# Detect and add libs et al.
set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake_modules" ${CMAKE_MODULE_PATH})
target_sources(nbody_cuda PRIVATE ${NBODY_SRC_CUDA})
target_include_directories(nbody_cuda PRIVATE
include
cuda_kernels
OpenGL_libs/include
${OPENGL_INCLUDE_DIRS} ${GLUT_INCLUDE_DIRS} )
target_link_libraries(nbody_cuda PRIVATE
${OPENGL_LIBRARIES} ${GLUT_LIBRARY}
)
else()
message("========================")
message("Using the serial version")
message("========================")
add_executable(nbody ${NBODY_SRC})
# the GL libs family
find_package(OpenGL REQUIRED)
find_package(GLUT REQUIRED)
# Detect and add libs et al.
set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake_modules" ${CMAKE_MODULE_PATH})
target_sources(nbody PRIVATE ${NBODY_SRC})
target_include_directories(nbody PRIVATE
include
cuda_kernels
OpenGL_libs/include
${OPENGL_INCLUDE_DIRS} ${GLUT_INCLUDE_DIRS} )
target_link_directories(nbody PRIVATE)
target_link_libraries(nbody PRIVATE
${OPENGL_LIBRARIES} ${GLUT_LIBRARY}
)
endif()