esp-idf/components/esp_timer/CMakeLists.txt

idf_build_get_property(target IDF_TARGET)

if(${target} STREQUAL "linux")
    idf_component_register(INCLUDE_DIRS include)
else()
    set(srcs "src/esp_timer.c"
             "src/ets_timer_legacy.c"
             "src/system_time.c"
             "src/esp_timer_impl_common.c")

    if(CONFIG_ESP_TIMER_IMPL_TG0_LAC)
        list(APPEND srcs "src/esp_timer_impl_lac.c")
    elseif(CONFIG_ESP_TIMER_IMPL_SYSTIMER)
        list(APPEND srcs "src/esp_timer_impl_systimer.c")
    endif()

    if(CONFIG_SOC_SYSTIMER_SUPPORT_ETM)
        list(APPEND srcs "src/esp_timer_etm.c")
    endif()

    idf_component_register(SRCS "${srcs}"
                           INCLUDE_DIRS include
                           PRIV_INCLUDE_DIRS private_include)
endif()