diff --git a/meta/classes/populate_sdk_base.bbclass b/meta/classes/populate_sdk_base.bbclass
new file mode 100644
index 0000000..aa7a9a5
--- /dev/null
+++ b/meta/classes/populate_sdk_base.bbclass
@@ -0,0 +1,203 @@
+inherit meta
+
+# Wildcards specifying complementary packages to install for every package that has been explicitly
+# installed into the rootfs
+COMPLEMENTARY_GLOB[dev-pkgs] = '*-dev'
+COMPLEMENTARY_GLOB[staticdev-pkgs] = '*-staticdev'
+COMPLEMENTARY_GLOB[doc-pkgs] = '*-doc'
+COMPLEMENTARY_GLOB[dbg-pkgs] = '*-dbg'
+COMPLEMENTARY_GLOB[ptest-pkgs] = '*-ptest'
+
+def complementary_globs(featurevar, d):
+    all_globs = d.getVarFlags('COMPLEMENTARY_GLOB')
+    globs = []
+    features = set((d.getVar(featurevar, True) or '').split())
+    for name, glob in all_globs.items():
+        if name in features:
+            globs.append(glob)
+    return ' '.join(globs)
+
+SDKIMAGE_FEATURES ??= "dev-pkgs dbg-pkgs"
+SDKIMAGE_INSTALL_COMPLEMENTARY = '${@complementary_globs("SDKIMAGE_FEATURES", d)}'
+
+inherit rootfs_${IMAGE_PKGTYPE}
+
+SDK_DIR = "${WORKDIR}/sdk"
+SDK_OUTPUT = "${SDK_DIR}/image"
+SDK_DEPLOY = "${DEPLOY_DIR}/sdk"
+
+B_task-populate-sdk = "${SDK_DIR}"
+
+SDKTARGETSYSROOT = "${SDKPATH}/sysroots/${REAL_MULTIMACH_TARGET_SYS}"
+
+TOOLCHAIN_HOST_TASK ?= "nativesdk-packagegroup-sdk-host packagegroup-cross-canadian-${MACHINE}"
+TOOLCHAIN_HOST_TASK_ATTEMPTONLY ?= ""
+TOOLCHAIN_TARGET_TASK ?= " \
+    ${@multilib_pkg_extend(d, 'packagegroup-core-standalone-sdk-target')} \
+    ${@multilib_pkg_extend(d, 'packagegroup-core-standalone-sdk-target-dbg')} \
+    "
+TOOLCHAIN_TARGET_TASK_ATTEMPTONLY ?= ""
+TOOLCHAIN_OUTPUTNAME ?= "${SDK_NAME}-toolchain-${SDK_VERSION}"
+
+SDK_RDEPENDS = "${TOOLCHAIN_TARGET_TASK} ${TOOLCHAIN_HOST_TASK}"
+SDK_DEPENDS = "virtual/fakeroot-native pbzip2-native"
+
+# We want the MULTIARCH_TARGET_SYS to point to the TUNE_PKGARCH, not PACKAGE_ARCH as it
+# could be set to the MACHINE_ARCH
+REAL_MULTIMACH_TARGET_SYS = "${TUNE_PKGARCH}${TARGET_VENDOR}-${TARGET_OS}"
+
+PID = "${@os.getpid()}"
+
+EXCLUDE_FROM_WORLD = "1"
+
+SDK_PACKAGING_FUNC ?= "create_shar"
+SDK_PRE_INSTALL_COMMAND ?= ""
+SDK_POST_INSTALL_COMMAND ?= ""
+SDK_RELOCATE_AFTER_INSTALL ?= "1"
+
+SDKEXTPATH ?= "~/${@d.getVar('DISTRO', True)}_sdk"
+SDK_TITLE ?= "${@d.getVar('DISTRO_NAME', True) or d.getVar('DISTRO', True)} SDK"
+
+SDK_TARGET_MANIFEST = "${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.target.manifest"
+SDK_HOST_MANIFEST = "${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.host.manifest"
+python write_target_sdk_manifest () {
+    from oe.sdk import sdk_list_installed_packages
+    sdkmanifestdir = os.path.dirname(d.getVar("SDK_TARGET_MANIFEST", True))
+    if not os.path.exists(sdkmanifestdir):
+        bb.utils.mkdirhier(sdkmanifestdir)
+    with open(d.getVar('SDK_TARGET_MANIFEST', True), 'w') as output:
+        output.write(sdk_list_installed_packages(d, True, 'ver'))
+}
+
+python write_host_sdk_manifest () {
+    from oe.sdk import sdk_list_installed_packages
+    sdkmanifestdir = os.path.dirname(d.getVar("SDK_HOST_MANIFEST", True))
+    if not os.path.exists(sdkmanifestdir):
+        bb.utils.mkdirhier(sdkmanifestdir)
+    with open(d.getVar('SDK_HOST_MANIFEST', True), 'w') as output:
+        output.write(sdk_list_installed_packages(d, False, 'ver'))
+}
+
+POPULATE_SDK_POST_TARGET_COMMAND_append = " write_target_sdk_manifest ; "
+POPULATE_SDK_POST_HOST_COMMAND_append = " write_host_sdk_manifest; "
+
+# Some archs override this, we need the nativesdk version
+# turns out this is hard to get from the datastore due to TRANSLATED_TARGET_ARCH
+# manipulation.
+SDK_OLDEST_KERNEL = "2.6.32"
+
+fakeroot python do_populate_sdk() {
+    from oe.sdk import populate_sdk
+    from oe.manifest import create_manifest, Manifest
+
+    pn = d.getVar('PN', True)
+    runtime_mapping_rename("TOOLCHAIN_TARGET_TASK", pn, d)
+    runtime_mapping_rename("TOOLCHAIN_TARGET_TASK_ATTEMPTONLY", pn, d)
+
+    ld = bb.data.createCopy(d)
+    ld.setVar("PKGDATA_DIR", "${STAGING_DIR}/${SDK_ARCH}-${SDKPKGSUFFIX}${SDK_VENDOR}-${SDK_OS}/pkgdata")
+    runtime_mapping_rename("TOOLCHAIN_HOST_TASK", pn, ld)
+    runtime_mapping_rename("TOOLCHAIN_HOST_TASK_ATTEMPTONLY", pn, ld)
+    d.setVar("TOOLCHAIN_HOST_TASK", ld.getVar("TOOLCHAIN_HOST_TASK", True))
+    d.setVar("TOOLCHAIN_HOST_TASK_ATTEMPTONLY", ld.getVar("TOOLCHAIN_HOST_TASK_ATTEMPTONLY", True))
+    
+    # create target/host SDK manifests
+    create_manifest(d, manifest_dir=d.getVar('SDK_DIR', True),
+                    manifest_type=Manifest.MANIFEST_TYPE_SDK_HOST)
+    create_manifest(d, manifest_dir=d.getVar('SDK_DIR', True),
+                    manifest_type=Manifest.MANIFEST_TYPE_SDK_TARGET)
+
+    populate_sdk(d)
+
+    # Process DEFAULTTUNE
+    bb.build.exec_func("create_sdk_files", d)
+
+    bb.build.exec_func("tar_sdk", d)
+
+    sdk_packaging_func = d.getVar("SDK_PACKAGING_FUNC", True) or ""
+    if sdk_packaging_func.strip():
+        bb.build.exec_func(d.getVar("SDK_PACKAGING_FUNC", True), d)
+}
+
+fakeroot create_sdk_files() {
+	cp ${COREBASE}/scripts/relocate_sdk.py ${SDK_OUTPUT}/${SDKPATH}/
+
+	# Replace the ##DEFAULT_INSTALL_DIR## with the correct pattern.
+	# Escape special characters like '+' and '.' in the SDKPATH
+	escaped_sdkpath=$(echo ${SDKPATH} |sed -e "s:[\+\.]:\\\\\\\\\0:g")
+	sed -i -e "s:##DEFAULT_INSTALL_DIR##:$escaped_sdkpath:" ${SDK_OUTPUT}/${SDKPATH}/relocate_sdk.py
+}
+
+SDKTAROPTS = "--owner=root --group=root"
+
+fakeroot tar_sdk() {
+	# Package it up
+	mkdir -p ${SDK_DEPLOY}
+	cd ${SDK_OUTPUT}/${SDKPATH}
+	tar ${SDKTAROPTS} -cf - . | pbzip2 > ${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.tar.bz2
+}
+
+fakeroot create_shar() {
+	# copy in the template shar extractor script
+	cp ${COREBASE}/meta/files/toolchain-shar-extract.sh ${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.sh
+
+	rm -f ${T}/pre_install_command ${T}/post_install_command
+
+	if [ ${SDK_RELOCATE_AFTER_INSTALL} -eq 1 ] ; then
+		cp ${COREBASE}/meta/files/toolchain-shar-relocate.sh ${T}/post_install_command
+	fi
+	cat << "EOF" >> ${T}/pre_install_command
+${SDK_PRE_INSTALL_COMMAND}
+EOF
+
+	cat << "EOF" >> ${T}/post_install_command
+${SDK_POST_INSTALL_COMMAND}
+EOF
+	sed -i -e '/@SDK_PRE_INSTALL_COMMAND@/r ${T}/pre_install_command' \
+		-e '/@SDK_POST_INSTALL_COMMAND@/r ${T}/post_install_command' \
+		${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.sh
+
+	# substitute variables
+	sed -i -e 's#@SDK_ARCH@#${SDK_ARCH}#g' \
+		-e 's#@SDKPATH@#${SDKPATH}#g' \
+		-e 's#@SDKEXTPATH@#${SDKEXTPATH}#g' \
+		-e 's#@OLDEST_KERNEL@#${SDK_OLDEST_KERNEL}#g' \
+		-e 's#@REAL_MULTIMACH_TARGET_SYS@#${REAL_MULTIMACH_TARGET_SYS}#g' \
+		-e 's#@SDK_TITLE@#${SDK_TITLE}#g' \
+		-e 's#@SDK_VERSION@#${SDK_VERSION}#g' \
+		-e '/@SDK_PRE_INSTALL_COMMAND@/d' \
+		-e '/@SDK_POST_INSTALL_COMMAND@/d' \
+		${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.sh
+
+	# add execution permission
+	chmod +x ${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.sh
+
+	# append the SDK tarball
+	cat ${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.tar.bz2 >> ${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.sh
+
+	# delete the old tarball, we don't need it anymore
+	rm ${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.tar.bz2
+}
+
+populate_sdk_log_check() {
+	for target in $*
+	do
+		lf_path="`dirname ${BB_LOGFILE}`/log.do_$target.${PID}"
+
+		echo "log_check: Using $lf_path as logfile"
+
+		if test -e "$lf_path"
+		then
+			${IMAGE_PKGTYPE}_log_check $target $lf_path
+		else
+			echo "Cannot find logfile [$lf_path]"
+		fi
+		echo "Logfile is clean"
+	done
+}
+
+do_populate_sdk[dirs] = "${TOPDIR}"
+do_populate_sdk[depends] += "${@' '.join([x + ':do_populate_sysroot' for x in d.getVar('SDK_DEPENDS', True).split()])}  ${@d.getVarFlag('do_rootfs', 'depends', False)}"
+do_populate_sdk[rdepends] = "${@' '.join([x + ':do_populate_sysroot' for x in d.getVar('SDK_RDEPENDS', True).split()])}"
+do_populate_sdk[recrdeptask] += "do_packagedata do_package_write_rpm do_package_write_ipk do_package_write_deb"
+addtask populate_sdk