list(APPEND SOURCES drivers/display/lws-display.c drivers/display/ssd1306-i2c.c drivers/i2c/lws-i2c.c drivers/i2c/bitbang/lws-bb-i2c.c ) if (LWS_ESP_PLATFORM) list(APPEND SOURCES plat/freertos/esp32/drivers/gpio-esp32.c) endif() exports_to_parent_scope()