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CMakeLists.txt
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cmake_minimum_required(VERSION 3.16)
project(tracerr)
set(CMAKE_CXX_STANDARD 20)
# uncomment to enable coverage analysis
#set(CMAKE_CXX_FLAGS "-fprofile-arcs -ftest-coverage")
# set a build type if non is given
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
endif()
set(CMAKE_CXX_FLAGS "-fpic")
## enable optimization in release version and compiler warnings
#set(CMAKE_CXX_FLAGS "-Wall -Wextra")
set(CMAKE_CXX_FLAGS_DEBUG "-g")
set(CMAKE_CXX_FLAGS_RELEASE "-O3")
# add multithreading library
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
# add protobuf library
INCLUDE(FindProtobuf)
FIND_PACKAGE(Protobuf 3.6.1 REQUIRED)
# add the proto directory and its respective CMakeList.txt file
ADD_SUBDIRECTORY(proto)
# include build directory since we are generating the protobuf C++ header and source on it
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINARY_DIR})
if( PYBIND )
# python module
add_subdirectory(pybind11)
pybind11_add_module(tracerr
src/main_py.cpp
src/Shape.h
src/Image.cpp
src/Image.h
src/Sphere.cpp
src/Sphere.h
src/ImageFile.h
src/Material.h
src/Light.h
src/Render.h
src/Render.cpp
src/Triangle.cpp
src/Triangle.h
src/Rectangle.cpp
src/Rectangle.h
src/ObjLoader.cpp
src/ObjLoader.h
src/ThreadPool.h
src/SceneManager.cpp
src/SceneManager.h)
target_link_libraries(tracerr PRIVATE pybind11::module)
target_link_libraries(tracerr PRIVATE Threads::Threads)
target_link_libraries(tracerr PRIVATE proto ${PROTOBUF_LIBRARIES})
else()
# main executable
ADD_EXECUTABLE(tracerr src/main.cpp src/Shape.h src/Image.cpp src/Image.h src/Sphere.cpp src/Sphere.h src/ImageFile.h src/Material.h src/Light.h src/Render.h src/Render.cpp src/Triangle.cpp src/Triangle.h src/Rectangle.cpp src/Rectangle.h src/ObjLoader.cpp src/ObjLoader.h src/ThreadPool.h src/SceneManager.cpp src/SceneManager.h)
# Tracerr libraries
TARGET_LINK_LIBRARIES(tracerr Threads::Threads)
TARGET_LINK_LIBRARIES(tracerr proto ${PROTOBUF_LIBRARIES})
# test executable
ADD_EXECUTABLE(Tests tests/tests.cpp src/Shape.h src/Image.cpp src/Image.h src/Sphere.cpp src/Sphere.h src/ImageFile.h src/Material.h src/Light.h src/Render.h src/Render.cpp src/Triangle.cpp src/Triangle.h src/Rectangle.cpp src/Rectangle.h src/ObjLoader.cpp src/ObjLoader.h src/ThreadPool.h src/SceneManager.cpp src/SceneManager.h)
# Tests executable libraries
TARGET_LINK_LIBRARIES(Tests gtest_main)
TARGET_LINK_LIBRARIES(Tests Threads::Threads)
TARGET_LINK_LIBRARIES(Tests proto ${PROTOBUF_LIBRARY})
# Everything below this line is related to download and install gtest
# Download and unpack googletest at configure time
configure_file(CMakeLists.txt.in googletest-download/CMakeLists.txt)
execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/googletest-download )
if(result)
message(FATAL_ERROR "CMake step for googletest failed: ${result}")
endif()
execute_process(COMMAND ${CMAKE_COMMAND} --build .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/googletest-download )
if(result)
message(FATAL_ERROR "Build step for googletest failed: ${result}")
endif()
# Prevent overriding the parent project's compiler/linker
# settings on Windows
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
# Add googletest directly to our build. This defines
# the gtest and gtest_main targets.
add_subdirectory(${CMAKE_CURRENT_BINARY_DIR}/googletest-src
${CMAKE_CURRENT_BINARY_DIR}/googletest-build
EXCLUDE_FROM_ALL)
# The gtest/gtest_main targets carry header search path
# dependencies automatically when using CMake 2.8.11 or
# later. Otherwise we have to add them here ourselves.
if (CMAKE_VERSION VERSION_LESS 2.8.11)
include_directories("${gtest_SOURCE_DIR}/include")
endif()
endif()