CMakeLists.txt

if (EMSCRIPTEN)
    cmake_minimum_required(VERSION 3.13) # emscripten uses target_link_options (cmake 3.13+)
else()
    cmake_minimum_required(VERSION 3.10)
endif()

project(HelloImGui LANGUAGES C CXX)
set(CMAKE_CXX_STANDARD 17)

#
# Available backends: you need to select at least one of them!
#
option(HELLOIMGUI_USE_SDL_OPENGL3 "Build HelloImGui for SDL+OpenGL3" OFF)
option(HELLOIMGUI_USE_GLFW_OPENGL3 "Build HelloImGui for GLFW+OpenGL3" OFF)
option(HELLOIMGUI_USE_QT "Build HelloImGui for Qt" OFF)
option(HELLOIMGUI_USE_SDL_DIRECTX11 "Build HelloImGui for SDL+DirectX11" OFF)
option(HELLOIMGUI_CREATE_ANDROID_STUDIO_PROJECT "Create Android studio projects in build dir" OFF)

if (IOS OR EMSCRIPTEN)
    set(need_opengl_loader OFF)
else()
    set(need_opengl_loader ON)
endif()
option(HELLOIMGUI_USE_GLAD "Use Glad OpenGl loader" ${need_opengl_loader})

#
# Build options
#
option(HELLOIMGUI_BUILD_DOCS "Build docs" OFF)
option(HELLOIMGUI_BUILD_IMGUI "Use imgui sources provided in external/imgui" ON)
if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
    option(HELLOIMGUI_BUILD_DEMOS "Build demos" ON)
else()
    option(HELLOIMGUI_BUILD_DEMOS "Build demos" OFF)
endif()

set(HELLOIMGUI_BASEPATH ${CMAKE_CURRENT_LIST_DIR} CACHE STRING "Hello imgui base path" FORCE)

set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH};${CMAKE_CURRENT_LIST_DIR}/cmake/")
set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH};${HELLOIMGUI_BASEPATH}/hello_imgui_cmake/")


include(StandardProjectSettings)
include(StaticAnalyzers)


if (EMSCRIPTEN)
    include(${HELLOIMGUI_BASEPATH}/hello_imgui_cmake/emscripten/hello_imgui_emscripten_global_options.cmake)
endif()

add_subdirectory(external)
add_subdirectory(src)

if (HELLOIMGUI_BUILD_DOCS)
    add_custom_target(hello_imgui_build_doc ALL
        ${CMAKE_SOURCE_DIR}/tools/doc/process_md_docs.py
        COMMENT "Generating md doc files"
    )
endif()