diff --git a/ci/build-all-defconfigs.sh b/ci/build-all-defconfigs.sh
index f21b847..c9bb98b 100755
--- a/ci/build-all-defconfigs.sh
+++ b/ci/build-all-defconfigs.sh
@@ -67,6 +67,11 @@
 	echo -n "${major}"
 }
 
+function sha1sum_dir
+{
+	echo -n "$(find $1 -type f -print0 | sort -z | xargs -0 sha1sum | sed -e 's/ .*//' | tr -d '[:space:]' | sha1sum | sed -e 's/ .*//')"
+}
+
 function build_sdk
 {
 # $1 is the defconfig
@@ -100,6 +105,12 @@
 		--disable ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV \
 		--enable INSTALL_LIBSTDCPP
 
+	# Enable toolchains we'll need to be built as part of the SDK, and make sure we
+	# consider them to make the sdk unique
+	buildroot/utils/config --file $SDK_BUILD_DIR/.config --package \
+		--enable P8_PORE_TOOLCHAIN  --enable HOST_P8_PORE_BINUTILS
+	HASH_PROPERTIES="$HASH_PROPERTIES $(sha1sum_dir openpower/package/p8-pore-binutils/)"
+
 	# As we are disabling BR2_LINUX_KERNEL, capture Kernel version if any
 	# to prevent it from defaulting to the last on olddefconfig
 	KERNEL_VER=$(buildroot/utils/config --file $SDK_BUILD_DIR/.config --state LINUX_KERNEL_CUSTOM_VERSION_VALUE)
@@ -250,6 +261,16 @@
 		buildroot/utils/config --file $O/.config --enable TOOLCHAIN_EXTERNAL_CXX
 	fi
 
+	# Our SDK will always have p8-pore-toolchain enabled, but
+	# only use it if we require it
+	P8_PORE_REQUIRED=$(buildroot/utils/config --file $O/.config --package --state P8_PORE_TOOLCHAIN)
+	if [ "$P8_PORE_REQUIRED" = "y" ]; then
+		buildroot/utils/config --file $O/.config --enable PACKAGE_P8_PORE_TOOLCHAIN_EXTERNAL \
+			--set-str P8_PORE_TOOLCHAIN_EXTERNAL_PATH $SDK_DIR/host
+	fi
+
+
+
 	# The Kernel Headers requested MUST be the same as the one
 	# provided by the SDK (i.e., it's part of the hash)
 	HEADERS_VER=$(buildroot/utils/config --file $O/.config --state TOOLCHAIN_HEADERS_AT_LEAST)
diff --git a/openpower/configs/firenze_defconfig b/openpower/configs/firenze_defconfig
index 18d5d4e..7223ce2 100644
--- a/openpower/configs/firenze_defconfig
+++ b/openpower/configs/firenze_defconfig
@@ -45,6 +45,7 @@
 BR2_TARGET_ROOTFS_CPIO_XZ=y
 BR2_OPENPOWER_PLATFORM=y
 BR2_OPENPOWER_POWER8=y
+# BR2_PACKAGE_P8_PORE_TOOLCHAIN is not set
 # BR2_PACKAGE_HOSTBOOT_P8 is not set
 # BR2_PACKAGE_HOSTBOOT_BINARIES is not set
 # BR2_PACKAGE_MACHINE_XML is not set
@@ -52,7 +53,6 @@
 BR2_OPENPOWER_CONFIG_NAME="openpower-firenze"
 BR2_PACKAGE_PETITBOOT=y
 BR2_PACKAGE_PETITBOOT_MTD=y
-# BR2_PACKAGE_HOST_P8_PORE_BINUTILS is not set
 # BR2_PACKAGE_CAPP_UCODE is not set
 BR2_PACKAGE_LOADKEYS=y
 # BR2_PACKAGE_IMA_CATALOG is not set
diff --git a/openpower/configs/opal_defconfig b/openpower/configs/opal_defconfig
index 791214d..804e47c 100644
--- a/openpower/configs/opal_defconfig
+++ b/openpower/configs/opal_defconfig
@@ -43,6 +43,7 @@
 BR2_TARGET_ROOTFS_INITRAMFS=y
 BR2_OPENPOWER_PLATFORM=y
 BR2_OPENPOWER_POWER8=y
+# BR2_PACKAGE_P8_PORE_TOOLCHAIN is not set
 # BR2_PACKAGE_HOST_OPENPOWER_FFS is not set
 # BR2_PACKAGE_HOSTBOOT_P8 is not set
 # BR2_PACKAGE_HOSTBOOT_BINARIES is not set
@@ -51,7 +52,6 @@
 BR2_OPENPOWER_CONFIG_NAME="opal"
 BR2_PACKAGE_PETITBOOT=y
 BR2_PACKAGE_PETITBOOT_MTD=y
-# BR2_PACKAGE_HOST_P8_PORE_BINUTILS is not set
 # BR2_PACKAGE_CAPP_UCODE is not set
 BR2_SKIBOOT_DEVICETREE=y
 # BR2_PACKAGE_IMA_CATALOG is not set
diff --git a/openpower/configs/pseries_defconfig b/openpower/configs/pseries_defconfig
index 8f8c167..5a3b39f 100644
--- a/openpower/configs/pseries_defconfig
+++ b/openpower/configs/pseries_defconfig
@@ -47,6 +47,7 @@
 BR2_TARGET_ROOTFS_CPIO_XZ=y
 BR2_OPENPOWER_PLATFORM=y
 BR2_OPENPOWER_POWER8=y
+# BR2_PACKAGE_P8_PORE_TOOLCHAIN is not set
 # BR2_PACKAGE_HOSTBOOT_P8 is not set
 # BR2_PACKAGE_HOSTBOOT_BINARIES is not set
 # BR2_PACKAGE_MACHINE_XML is not set
@@ -54,7 +55,6 @@
 BR2_OPENPOWER_CONFIG_NAME="openpower-firenze"
 BR2_PACKAGE_PETITBOOT=y
 BR2_PACKAGE_PETITBOOT_MTD=y
-# BR2_PACKAGE_HOST_P8_PORE_BINUTILS is not set
 # BR2_PACKAGE_CAPP_UCODE is not set
 BR2_PACKAGE_LOADKEYS=y
 # BR2_PACKAGE_IMA_CATALOG is not set
diff --git a/openpower/package/Config.in b/openpower/package/Config.in
index 903e6cb..52662e6 100755
--- a/openpower/package/Config.in
+++ b/openpower/package/Config.in
@@ -7,7 +7,6 @@
 source "$BR2_EXTERNAL_OP_BUILD_PATH/package/machine-xml/Config.in"
 source "$BR2_EXTERNAL_OP_BUILD_PATH/package/openpower-pnor/Config.in"
 source "$BR2_EXTERNAL_OP_BUILD_PATH/package/petitboot/Config.in"
-source "$BR2_EXTERNAL_OP_BUILD_PATH/package/p8-pore-binutils/Config.in"
 source "$BR2_EXTERNAL_OP_BUILD_PATH/package/hcode/Config.in"
 source "$BR2_EXTERNAL_OP_BUILD_PATH/package/occ/Config.in"
 source "$BR2_EXTERNAL_OP_BUILD_PATH/package/occ-p8/Config.in"
diff --git a/openpower/package/p8-pore-binutils/Config.in b/openpower/package/p8-pore-binutils/Config.in
index 3d69782..db06064 100644
--- a/openpower/package/p8-pore-binutils/Config.in
+++ b/openpower/package/p8-pore-binutils/Config.in
@@ -1,6 +1,5 @@
 config BR2_PACKAGE_HOST_P8_PORE_BINUTILS
         bool "p8-pore-binutils"
-        default y if (BR2_OPENPOWER_POWER8)
         select BR2_PACKAGE_HAS_P8_PORE_TOOLCHAIN
         select BR2_CPP
         help
diff --git a/openpower/package/p8-pore-binutils/p8-pore-binutils.mk b/openpower/package/p8-pore-binutils/p8-pore-binutils.mk
index 7cd9807..00477a6 100644
--- a/openpower/package/p8-pore-binutils/p8-pore-binutils.mk
+++ b/openpower/package/p8-pore-binutils/p8-pore-binutils.mk
@@ -11,8 +11,8 @@
 P8_PORE_BINUTILS_PROVIDES = p8-pore-toolchain
 HOST_P8_PORE_BINUTILS_DEPENDENCIES = host-binutils
 
-P8_PORE_BINUTILS_DIR = $(STAGING_DIR)/p8-pore-binutils
-P8_PORE_BINUTILS_BIN = $(STAGING_DIR)/p8-pore-binutils/linux
+P8_PORE_BINUTILS_DIR = $(HOST_DIR)/$(P8_PORE_TOOLCHAIN_DIR)
+P8_PORE_BINUTILS_BIN = $(HOST_DIR)/$(P8_PORE_TOOLCHAIN_BIN)
 
 define HOST_P8_PORE_BINUTILS_BUILD_CMDS
         cd $(@D) && \
diff --git a/openpower/package/p8-pore-toolchain-external/Config.in b/openpower/package/p8-pore-toolchain-external/Config.in
new file mode 100644
index 0000000..cad96c0
--- /dev/null
+++ b/openpower/package/p8-pore-toolchain-external/Config.in
@@ -0,0 +1,19 @@
+config BR2_PACKAGE_P8_PORE_TOOLCHAIN_EXTERNAL
+	bool "p8-pore-toolchain-external"
+	select BR2_PACKAGE_HAS_P8_PORE_TOOLCHAIN
+	help
+	  Use an external P8 PORE toolchain
+
+if BR2_PACKAGE_P8_PORE_TOOLCHAIN_EXTERNAL
+config BR2_PACKAGE_PROVIDES_P8_PORE_TOOLCHAIN
+	default "p8-pore-toolchain-external"
+
+config BR2_P8_PORE_TOOLCHAIN_EXTERNAL_PATH
+	string "External P8 PORE toolchain path"
+	help
+	  Pathname to where the external P8 PORE toolchain
+	  is installed. The binutils are expected to be
+	  fully contained within the
+	  "sysroot/p8-pore-toolchain" directory
+endif
+
diff --git a/openpower/package/p8-pore-toolchain-external/p8-pore-toolchain-external.mk b/openpower/package/p8-pore-toolchain-external/p8-pore-toolchain-external.mk
new file mode 100644
index 0000000..c88864a
--- /dev/null
+++ b/openpower/package/p8-pore-toolchain-external/p8-pore-toolchain-external.mk
@@ -0,0 +1,22 @@
+################################################################################
+#
+# p8-pore-toolchain-external
+#
+################################################################################
+P8_PORE_TOOLCHAIN_EXTERNAL_REDISTRIBUTE = NO
+P8_PORE_TOOLCHAIN_EXTERNAL_SITE =
+P8_PORE_TOOLCHAIN_EXTERNAL_SOURCE =
+P8_PORE_TOOLCHAIN_EXTERNAL_PROVIDES = p8-pore-toolchain
+P8_PORE_TOOLCHAIN_EXTERNAL_PATH = \
+	$(call qstrip,$(BR2_P8_PORE_TOOLCHAIN_EXTERNAL_PATH))/$(P8_PORE_TOOLCHAIN_DIR)
+
+define HOST_P8_PORE_TOOLCHAIN_EXTERNAL_CONFIGURE_CMDS
+	test -e $(P8_PORE_TOOLCHAIN_EXTERNAL_PATH)
+endef
+
+define HOST_P8_PORE_TOOLCHAIN_EXTERNAL_INSTALL_CMDS
+	ln -snf $(P8_PORE_TOOLCHAIN_EXTERNAL_PATH) $(HOST_DIR)/$(P8_PORE_TOOLCHAIN_DIR)
+
+endef
+
+$(eval $(host-generic-package))
diff --git a/openpower/toolchain/p8-pore-toolchain/Config.in b/openpower/toolchain/p8-pore-toolchain/Config.in
index 40dd48d..c03422b 100644
--- a/openpower/toolchain/p8-pore-toolchain/Config.in
+++ b/openpower/toolchain/p8-pore-toolchain/Config.in
@@ -1,6 +1,27 @@
+menuconfig BR2_PACKAGE_P8_PORE_TOOLCHAIN
+	bool "p8-pore-toolchain"
+	default y if (BR2_OPENPOWER_POWER8)
+	help
+	  Build the PORE toolchain required to build the
+	  POWER8 OCC firmware
+
+if BR2_PACKAGE_P8_PORE_TOOLCHAIN
+choice
+	prompt "P8 PORE Toolchain Type"
+	help
+	  Select whether to build the P8 PORE toolchain or
+	  provide an external one
+
+source "$BR2_EXTERNAL_OP_BUILD_PATH/package/p8-pore-binutils/Config.in"
+source "$BR2_EXTERNAL_OP_BUILD_PATH/package/p8-pore-toolchain-external/Config.in"
+
+endchoice
+
 config BR2_PACKAGE_HAS_P8_PORE_TOOLCHAIN
 	bool
 
 config BR2_PACKAGE_PROVIDES_P8_PORE_TOOLCHAIN
 	depends on BR2_PACKAGE_HAS_P8_PORE_TOOLCHAIN
 	string
+
+endif
diff --git a/openpower/toolchain/p8-pore-toolchain/p8-pore-toolchain.mk b/openpower/toolchain/p8-pore-toolchain/p8-pore-toolchain.mk
index b618004..7936be5 100644
--- a/openpower/toolchain/p8-pore-toolchain/p8-pore-toolchain.mk
+++ b/openpower/toolchain/p8-pore-toolchain/p8-pore-toolchain.mk
@@ -3,5 +3,7 @@
 # p8-pore-toolchain
 #
 ################################################################################
+P8_PORE_TOOLCHAIN_DIR = $(STAGING_SUBDIR)/p8-pore-toolchain
+P8_PORE_TOOLCHAIN_BIN = $(STAGING_SUBDIR)/p8-pore-toolchain/linux
 
 $(eval $(host-virtual-package))