diff --git a/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-preferred-providers.inc b/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-preferred-providers.inc
new file mode 100644
index 0000000..e783cd9
--- /dev/null
+++ b/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-preferred-providers.inc
@@ -0,0 +1,5 @@
+# ubuntu-bionic/ros-distro-platform-preferred-providers.inc
+#
+# Copyright (c) 2019 LG Electronics, Inc.
+
+# Set PREFERRED_PROVIDER_<PN> here for platform packages.
diff --git a/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-preferred-versions.inc b/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-preferred-versions.inc
new file mode 100644
index 0000000..2dbae50
--- /dev/null
+++ b/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-preferred-versions.inc
@@ -0,0 +1,5 @@
+# ubuntu-bionic/ros-distro-platform-preferred-versions.inc
+#
+# Copyright (c) 2019 LG Electronics, Inc.
+
+# Set PREFERRED_VERSION_<PN> here for platform packages for which the layers provide multiple versions.
diff --git a/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-recipe-blacklist.inc b/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-recipe-blacklist.inc
new file mode 100644
index 0000000..d561962
--- /dev/null
+++ b/conf/ros-distro/include/ubuntu-bionic/ros-distro-platform-recipe-blacklist.inc
@@ -0,0 +1,21 @@
+# ubuntu-bionic/ros-distro-platform-recipe-blacklist.inc
+#
+# Copyright (c) 2019 LG Electronics, Inc.
+
+# Initially, blacklist any platform duplicates found by "bitbake-layers show-overlayed". Remove from the blacklist once a
+# PREFERRED_VERSION_<PN> setting is made in ros-distro-platform-preferred-versions.inc .
+PNBLACKLIST[cppunit] ?= "Must specify PREFERRED_VERSION"
+PNBLACKLIST[python-matplotlib] ?= "Must specify PREFERRED_VERSION"
+
+# Initially, blacklist any platform recipes with multiple versions found by "bitbake-layers show-recipes --multiple" (except for
+# the compilers and runtimes). Remove from the blacklist once a PREFERRED_VERSION_<PN> setting is made in
+# ros-distro-platform-preferred-versions.inc .
+PNBLACKLIST[libgpiod] ?= "Must specify PREFERRED_VERSION"
+PNBLACKLIST[libmodbus] ?= "Must specify PREFERRED_VERSION"
+PNBLACKLIST[linux-raspberrypi] ?= "Must specify PREFERRED_VERSION"
+PNBLACKLIST[linux-yocto] ?= "Must specify PREFERRED_VERSION"
+PNBLACKLIST[linux-yocto-rt] ?= "Must specify PREFERRED_VERSION"
+PNBLACKLIST[linux-yocto-tiny] ?= "Must specify PREFERRED_VERSION"
+PNBLACKLIST[php] ?= "Must specify PREFERRED_VERSION"
+PNBLACKLIST[php-native] ?= "Must specify PREFERRED_VERSION"
+PNBLACKLIST[yajl] ?= "Must specify PREFERRED_VERSION"