diff --git a/poky/meta/conf/bitbake.conf b/poky/meta/conf/bitbake.conf
index 263d8ae..4b544a2 100644
--- a/poky/meta/conf/bitbake.conf
+++ b/poky/meta/conf/bitbake.conf
@@ -11,6 +11,7 @@
 baselib[vardepvalue] = "${baselib}"
 BASELIB = "lib"
 BASELIB_powerpc64 = "lib64"
+BASELIB_powerpc64le = "lib64"
 
 # Path prefixes
 export base_prefix = ""
@@ -129,7 +130,7 @@
 TARGET_ARCH = "${TUNE_ARCH}"
 TARGET_OS = "linux${LIBCEXTENSION}${ABIEXTENSION}"
 TARGET_VENDOR = "-oe"
-TARGET_SYS = "${TARGET_ARCH}${TARGET_VENDOR}${@['-' + d.getVar('TARGET_OS'), ''][d.getVar('TARGET_OS') == ('' or 'custom')]}"
+TARGET_SYS = "${TARGET_ARCH}${TARGET_VENDOR}-${TARGET_OS}"
 TARGET_PREFIX = "${TARGET_SYS}-"
 TARGET_CC_ARCH = "${TUNE_CCARGS}"
 TARGET_LD_ARCH = "${TUNE_LDARGS}"
@@ -138,7 +139,7 @@
 SDKMACHINE ??= "x86_64"
 SDK_OS = "${BUILD_OS}"
 SDK_VENDOR = "-oesdk"
-SDK_SYS = "${SDK_ARCH}${SDK_VENDOR}${@['-' + d.getVar('SDK_OS'), ''][d.getVar('SDK_OS') == ('' or 'custom')]}"
+SDK_SYS = "${SDK_ARCH}${SDK_VENDOR}-${SDK_OS}"
 SDK_PREFIX = "${SDK_SYS}-"
 SDK_CC_ARCH = "${BUILD_CC_ARCH}"
 SDKPKGSUFFIX = "nativesdk"
@@ -324,7 +325,7 @@
 SECTION_${PN}-staticdev = "devel"
 RDEPENDS_${PN}-staticdev = "${PN}-dev (= ${EXTENDPKGV})"
 
-FILES_${PN}-dbg = "/usr/lib/debug /usr/src/debug"
+FILES_${PN}-dbg = "/usr/lib/debug /usr/lib/debug-static /usr/src/debug"
 SECTION_${PN}-dbg = "devel"
 ALLOW_EMPTY_${PN}-dbg = "1"
 
@@ -429,7 +430,8 @@
 OLDEST_KERNEL = "3.2.0"
 OLDEST_KERNEL_aarch64 = "3.14"
 OLDEST_KERNEL_nios2 = "3.19"
-OLDEST_KERNEL_riscv32 = "4.15"
+OLDEST_KERNEL_powerpc64le = "3.10.0"
+OLDEST_KERNEL_riscv32 = "5.4"
 OLDEST_KERNEL_riscv64 = "4.15"
 
 # SDK_OLDEST_KERNEL can't be set using overrides since there are
@@ -481,14 +483,14 @@
 HOSTTOOLS_DIR = "${TMPDIR}/hosttools"
 
 # Tools needed to run builds with OE-Core
-# python is special cased to point at python2
 HOSTTOOLS += " \
     [ ar as awk basename bash bzip2 cat chgrp chmod chown chrpath cmp comm cp cpio \
     cpp cut date dd diff diffstat dirname du echo egrep env expand expr false \
     fgrep file find flock g++ gawk gcc getconf getopt git grep gunzip gzip \
-    head hostname iconv id install ld ldd ln ls make makeinfo md5sum mkdir mknod \
-    mktemp mv nm objcopy objdump od patch perl pod2man pr printf pwd python2 \
-    python2.7 python3 ranlib readelf readlink realpath rm rmdir rpcgen sed seq sh sha256sum \
+    head hostname iconv id install ld ldd ln ls make md5sum mkdir mknod \
+    mktemp mv nm objcopy objdump od patch perl pr printf pwd \
+    python3 ranlib readelf readlink realpath rm rmdir rpcgen sed seq sh \
+    sha1sum sha224sum sha256sum sha384sum sha512sum \
     sleep sort split stat strings strip tail tar tee test touch tr true uname \
     uniq wc wget which xargs \
 "
@@ -587,8 +589,6 @@
 BUILDSDK_LDFLAGS = "-Wl,-O1"
 
 LINKER_HASH_STYLE ??= "gnu"
-# mips does not support GNU hash style therefore we override
-LINKER_HASH_STYLE_mipsarch = "sysv"
 
 TARGET_LINK_HASH_STYLE ?= "${@['-Wl,--hash-style=gnu',''][d.getVar('LINKER_HASH_STYLE') != 'gnu']}"
 
@@ -596,6 +596,8 @@
 
 export LDFLAGS = "${TARGET_LDFLAGS}"
 TARGET_LDFLAGS = "-Wl,-O1 ${TARGET_LINK_HASH_STYLE} ${ASNEEDED}"
+# mips does not support GNU hash style therefore we override
+LINKER_HASH_STYLE_mipsarch_libc-musl = "sysv"
 
 # Pass parallel make options to the compile task
 EXTRA_OEMAKE_prepend_task-compile = "${PARALLEL_MAKE} "
@@ -793,7 +795,10 @@
 PARALLEL_MAKE ?= "-j ${@oe.utils.cpu_count()}"
 
 # Default parallelism and resource usage for xz
-XZ_DEFAULTS ?= "--memlimit=50% --threads=${@oe.utils.cpu_count()}"
+XZ_MEMLIMIT ?= "50%"
+XZ_THREADS ?= "${@oe.utils.cpu_count(at_least=2)}"
+XZ_DEFAULTS ?= "--memlimit=${XZ_MEMLIMIT} --threads=${XZ_THREADS}"
+XZ_DEFAULTS[vardepsexclude] += "XZ_MEMLIMIT XZ_THREADS"
 
 ##################################################################
 # Magic Cookie for SANITY CHECK
@@ -885,7 +890,7 @@
     file-checksums python func task export unexport noexec nostamp dirs cleandirs \
     sstate-lockfile-shared prefuncs postfuncs export_func deptask rdeptask \
     recrdeptask nodeprrecs stamp-extra-info sstate-outputdirs filename lineno \
-    progress mcdepends"
+    progress mcdepends number_threads"
 
 MLPREFIX ??= ""
 MULTILIB_VARIANTS ??= ""