keepupnpup/CMakeLists.txt

cmake_minimum_required(VERSION 3.2 FATAL_ERROR)
project(keepupnpup CXX)
list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules)

option (USE_SYSTEM_MINIUPNP "Try to locate miniupnpc on the system and build against that" ON)

if (USE_SYSTEM_MINIUPNP)
    find_package(Miniupnpc 2.0 REQUIRED)
else()
    if (BUILD_SHARED_LIBS)
        set(upnp_lib_type "shared")
        set(UPNPC_BUILD_STATIC OFF CACHE BOOL "" FORCE)
        set(UPNPC_BUILD_SHARED ON CACHE BOOL "" FORCE)
    else()
        set(upnp_lib_type "static")
        set(UPNPC_BUILD_STATIC ON CACHE BOOL "" FORCE)
        set(UPNPC_BUILD_SHARED OFF CACHE BOOL "" FORCE)
    endif()
    set(UPNPC_BUILD_TESTS OFF CACHE BOOL "" FORCE)
    set(CXX_STANDARD_REQUIRED ON)

    add_subdirectory(lib/miniupnp/miniupnpc)
endif()

add_executable(${PROJECT_NAME}
	src/main.cpp
	src/upnp.cpp
	src/upnpexceptions.cpp
)

target_include_directories(${PROJECT_NAME}
	PRIVATE lib/better-enums
)

if (USE_SYSTEM_MINIUPNP)
    target_include_directories(${PROJECT_NAME} SYSTEM
        PRIVATE ${MINIUPNP_INCLUDE_DIR}
    )
    target_link_libraries(${PROJECT_NAME}
        PRIVATE ${MINIUPNP_LIBRARY}
    )
else()
    target_include_directories(${PROJECT_NAME}
        PRIVATE lib/miniupnp/miniupnpc
    )
    target_link_libraries(${PROJECT_NAME}
        libminiupnpc-${upnp_lib_type}
    )
endif()

set_property(TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 14)