CMakeLists.txt

# Project definition
cmake_minimum_required(VERSION 3.1)
project(raytracer)

# Export compile_commands.json
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

# Source files
set(SRC_DIR "${CMAKE_CURRENT_SOURCE_DIR}/src")
set(LIB_DIR "${CMAKE_CURRENT_SOURCE_DIR}/lib")
set(SOURCES "${SRC_DIR}/main.cpp")

# Executable definition and properties
add_executable(${PROJECT_NAME} ${SOURCES})
target_include_directories(${PROJECT_NAME} PRIVATE "${SRC_DIR}")
set_property(TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 11)

# GLFW
set(GLFW_DIR "${LIB_DIR}/glfw")
set(GLFW_BUILD_EXAMPLES OFF CACHE INTERNAL "Build the GLFW example programs")
set(GLFW_BUILD_TESTS OFF CACHE INTERNAL "Build the GLFW test programs")
set(GLFW_BUILD_DOCS OFF CACHE INTERNAL "Build the GLFW documentation")
set(GLFW_INSTALL OFF CACHE INTERNAL "Generate installation target")
add_subdirectory("${GLFW_DIR}")
target_link_libraries(${PROJECT_NAME} "glfw" "${GLFW_LIBRARIES}")
target_include_directories(${PROJECT_NAME} PRIVATE "${GLFW_DIR}/include")
target_compile_definitions(${PROJECT_NAME} PRIVATE "GLFW_INCLUDE_NONE")

# GLAD
set(GLAD_DIR "${LIB_DIR}/glad")
add_library("glad" "${GLAD_DIR}/src/glad.c")
target_include_directories("glad" PRIVATE "${GLAD_DIR}/include")
target_include_directories(${PROJECT_NAME} PRIVATE "${GLAD_DIR}/include")
target_link_libraries(${PROJECT_NAME} "glad" "${CMAKE_DL_LIBS}")

#STB
set(STB_DIR "${LIB_DIR}/stb")
include_directories(${STB_DIR})
link_directories(${STB_DIR})

# ImGui
# file(GLOB IMGUI_SOURCES ${LIB_DIR}/imgui/*.cpp)
# add_library("imgui" STATIC "${IMGUI_SOURCES}" ${LIB_DIR}/imgui/imgui_impl_glfw.cpp)
# target_include_directories("ImGui" PUBLIC "${LIB_DIR}/imgui")
# target_link_libraries(${PROJECT_NAME} "ImGui")