CMakeLists.txt

cmake_minimum_required(VERSION 3.0)
project(KouseCPP)

# DOWNLOAD SUBMODULES #
find_package(Git QUIET)
if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
    # Update submodules as needed
    option(GIT_SUBMODULE "Check submodules during build" ON)
    if(GIT_SUBMODULE)
        message(STATUS "Submodule update")
        execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive
                        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
                        RESULT_VARIABLE GIT_SUBMOD_RESULT)
        if(NOT GIT_SUBMOD_RESULT EQUAL "0")
            message(FATAL_ERROR "git submodule update --init failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
        endif()
    endif()
endif()

set(CMAKE_CXX_STANDARD 23)

set(IMGUI_SRC externals/imgui/imgui.cpp
        externals/imgui/imgui_demo.cpp
        externals/imgui/imgui_draw.cpp
        externals/imgui/imgui_widgets.cpp
        externals/imgui/imgui_tables.cpp
        externals/imgui/backends/imgui_impl_glfw.cpp
        externals/imgui/backends/imgui_impl_opengl3.cpp)

add_executable(KouseCPP main.cpp ${IMGUI_SRC})


add_subdirectory(externals/glfw)

target_include_directories(KouseCPP
        PUBLIC externals/glfw/include
        PUBLIC externals/imgui
        PUBLIC externals/imgui/backends
        )

find_package(OpenGL REQUIRED)

if (OPENGL_FOUND)
    message("opengl found")
    message("include dir: ${OPENGL_INCLUDE_DIR}")
    message("link libraries: ${OPENGL_gl_LIBRARY}")
else (OPENGL_FOUND)
    message("opengl not found")
endif()

target_link_libraries(KouseCPP glfw ${OPENGL_gl_LIBRARY})