# enable configuring message 1 via kconfig
CONFIG_KCONFIG_APP_MSG_1=y
# change message 1 text
CONFIG_APP_MSG_1_TEXT="Message 1 defined in app.config file"

# enable printing message 2
CONFIG_APP_MSG_2=y

# enable configuration of external packages via kconfig
CONFIG_KCONFIG_EXTERNAL_PKG_1=y
CONFIG_KCONFIG_EXTERNAL_PKG_2=y