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+BB_CONF_FRAGMENT_SUMMARY = "Use Yocto project's reference and testing distribution 'poky', with alternative configuration."
+BB_CONF_FRAGMENT_DESCRIPTION = "Poky is a distribution defined by Yocto project for reference and testing purposes. It can be used as a starting point for product development work \
+but it is recommended to create a separate distribution for shipping products. \
+\
+This selects 'poky-altcfg', an alternative configuration that is mostly same as poky, but makes a number of changes: \
+such as systemd as init manager, and an older LTS kernel (when available). Check meta-poky/conf/distro/poky-altcfg.conf for details. \
+"
+
+DISTRO ?= "poky-altcfg"
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+BB_CONF_FRAGMENT_SUMMARY = "Use Yocto project's reference and testing distribution 'poky', with tiny systems configuration."
+BB_CONF_FRAGMENT_DESCRIPTION = "Poky is a distribution defined by Yocto project for reference and testing purposes. It can be used as a starting point for product development work \
+but it is recommended to create a separate distribution for shipping products. \
+\
+This selects 'poky-tiny', an alternative configuration that is intended to define a tiny Linux system comprised the kernel and busybox. \
+Poky-tiny sets basic distribution policy to ensure a usable system while still \
+keeping the rootfs and kernel image as small as possible. \
+"
+
+DISTRO ?= "poky-tiny"
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+BB_CONF_FRAGMENT_SUMMARY = "Use Yocto project's reference and testing distribution 'poky'."
+BB_CONF_FRAGMENT_DESCRIPTION = "Poky is a distribution defined by Yocto project for reference and testing purposes. It can be used as a starting point for product development work \
+but it is recommended to create a separate distribution for shipping products."
+
+DISTRO ?= "poky"