diff mbox series

[meta-lts-mixins,kirkstone/rust-1.68,RFC,1/4] Initial check-in

Message ID 881a3e11f59bb467b2d011847fdb29f9d6954c2c.1683220726.git.scott.murray@konsulko.com
State New
Headers show
Series *** SUBJECT HERE *** | expand

Commit Message

Scott Murray May 4, 2023, 5:31 p.m. UTC
Backport Rust 1.68.1 toolchain from oe-core mickledore branch as of
commit 7692dce8, including the updated rust and cargo bbclasses with
the rust-target-config changes added in Langdale.  The newer librsvg
recipe has been backported as well to reduce maintenance effort.
See the README file for more details.

Signed-off-by: Scott Murray <scott.murray@konsulko.com>
---
 LICENSE.MIT                                   |  25 +
 README                                        |  32 ++
 classes/cargo.bbclass                         |  96 ++++
 classes/cargo_common.bbclass                  | 172 +++++++
 classes/python_pyo3.bbclass                   |  36 ++
 classes/rust-common.bbclass                   | 190 ++++++++
 classes/rust-target-config.bbclass            | 433 ++++++++++++++++++
 classes/rust.bbclass                          |  51 +++
 conf/layer.conf                               |  25 +
 .../packagegroup-rust-cross-canadian.bb       |  21 +
 recipes-devtools/rust/README-rust.md          |  38 ++
 recipes-devtools/rust/cargo_1.68.1.bb         |  73 +++
 ...-Do-not-use-LFS64-on-linux-with-musl.patch | 168 +++++++
 .../rust/files/crossbeam_atomic.patch         |  50 ++
 .../rust/files/getrandom-open64.patch         |  46 ++
 .../rust/files/hardcodepaths.patch            |  58 +++
 .../rust/files/target-rust-ccld.c             |  19 +
 .../rust/files/zlib-off64_t.patch             |  31 ++
 recipes-devtools/rust/libstd-rs_1.68.1.bb     |  47 ++
 recipes-devtools/rust/rust-cross-canadian.inc |  85 ++++
 .../rust/rust-cross-canadian_1.68.1.bb        |   2 +
 ...r-sort-ClassInfo-lists-by-name-as-we.patch |  31 ++
 ...-llvm-allow-env-override-of-exe-path.patch |  33 ++
 .../0003-llvm-fix-include-benchmarks.patch    |  25 +
 ...e-64bit-off_t-on-32bit-glibc-systems.patch |  79 ++++
 recipes-devtools/rust/rust-llvm_1.68.1.bb     |  84 ++++
 recipes-devtools/rust/rust-snapshot.inc       |  63 +++
 recipes-devtools/rust/rust-source.inc         |  23 +
 recipes-devtools/rust/rust_1.68.1.bb          | 352 ++++++++++++++
 ...-rust-target-to-cargo-also-when-not-.patch |  47 ++
 ...lib.rs-do-not-probe-into-harcoded-li.patch |  51 +++
 recipes-gnome/librsvg/librsvg_2.54.5.bb       |  77 ++++
 32 files changed, 2563 insertions(+)
 create mode 100644 LICENSE.MIT
 create mode 100644 README
 create mode 100644 classes/cargo.bbclass
 create mode 100644 classes/cargo_common.bbclass
 create mode 100644 classes/python_pyo3.bbclass
 create mode 100644 classes/rust-common.bbclass
 create mode 100644 classes/rust-target-config.bbclass
 create mode 100644 classes/rust.bbclass
 create mode 100644 conf/layer.conf
 create mode 100644 recipes-core/packagegroups/packagegroup-rust-cross-canadian.bb
 create mode 100644 recipes-devtools/rust/README-rust.md
 create mode 100644 recipes-devtools/rust/cargo_1.68.1.bb
 create mode 100644 recipes-devtools/rust/files/0001-Do-not-use-LFS64-on-linux-with-musl.patch
 create mode 100644 recipes-devtools/rust/files/crossbeam_atomic.patch
 create mode 100644 recipes-devtools/rust/files/getrandom-open64.patch
 create mode 100644 recipes-devtools/rust/files/hardcodepaths.patch
 create mode 100644 recipes-devtools/rust/files/target-rust-ccld.c
 create mode 100644 recipes-devtools/rust/files/zlib-off64_t.patch
 create mode 100644 recipes-devtools/rust/libstd-rs_1.68.1.bb
 create mode 100644 recipes-devtools/rust/rust-cross-canadian.inc
 create mode 100644 recipes-devtools/rust/rust-cross-canadian_1.68.1.bb
 create mode 100644 recipes-devtools/rust/rust-llvm/0001-AsmMatcherEmitter-sort-ClassInfo-lists-by-name-as-we.patch
 create mode 100644 recipes-devtools/rust/rust-llvm/0002-llvm-allow-env-override-of-exe-path.patch
 create mode 100644 recipes-devtools/rust/rust-llvm/0003-llvm-fix-include-benchmarks.patch
 create mode 100644 recipes-devtools/rust/rust-llvm/0035-cmake-Enable-64bit-off_t-on-32bit-glibc-systems.patch
 create mode 100644 recipes-devtools/rust/rust-llvm_1.68.1.bb
 create mode 100644 recipes-devtools/rust/rust-snapshot.inc
 create mode 100644 recipes-devtools/rust/rust-source.inc
 create mode 100644 recipes-devtools/rust/rust_1.68.1.bb
 create mode 100644 recipes-gnome/librsvg/librsvg/0001-Makefile.am-pass-rust-target-to-cargo-also-when-not-.patch
 create mode 100644 recipes-gnome/librsvg/librsvg/0001-system-deps-src-lib.rs-do-not-probe-into-harcoded-li.patch
 create mode 100644 recipes-gnome/librsvg/librsvg_2.54.5.bb
diff mbox series

Patch

diff --git a/LICENSE.MIT b/LICENSE.MIT
new file mode 100644
index 0000000..a6919eb
--- /dev/null
+++ b/LICENSE.MIT
@@ -0,0 +1,25 @@ 
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+Note:
+Individual files contain the following tag instead of the full license text.
+
+    SPDX-License-Identifier: MIT
+
+This enables machine processing of license information based on the SPDX
+License Identifiers that are here available: http://spdx.org/licenses/
diff --git a/README b/README
new file mode 100644
index 0000000..8213b18
--- /dev/null
+++ b/README
@@ -0,0 +1,32 @@ 
+"Mixin" layer for adding Rust 1.68.x toolchain into the Yocto Project LTS.
+
+At the time Kirkstone was released in May 2022 it included Rust 1.59.0,
+and officially Kirkstone supports only that. This thin special-purpose
+mixin layer is meant to provide a working Rust 1.68.x toolchain for
+Kirkstone by backporting the appropriate recipes from the mickledore
+branch (and potentially later branches) of openembedded-core.
+
+Notes:
+- cargo-update-recipe-crates.bbclass has been left out of the backport
+  since it would bump the Python requirement to 3.10, and that is a
+  bigger can of worms than this mixin attempts to address.  It is
+  recommended that recipe crates .inc files are updated using a newer
+  YP release and backported.
+- The newer version of librsvg from mickledore has been backported since
+  there is not a straightforward way to update the existing one via
+  bbappend.  Backporting a working recipe should be easier to maintain
+  than developing an update of the older recipe in kirkstone.  There are
+  no breaking API changes mentioned in the librsvg release notes between
+  the two versions.
+- python3-cryptography has been left alone since the recipe in kirkstone
+  still works with the newer toolchain, and updating it seems to have
+  more potential impact due to upstream API changes and its known to be
+  finicky build.  This may change if sufficient rationale for doing the
+  backport becomes apparent.
+- The intent is to just track any further 1.68.x upgrades that occur in
+  mickledore and master branches of oe-core.  Supporting newer versions
+  of Rust or trying to support more than one version of Rust should
+  use a different mixin layer.
+
+Maintainers:
+Scott Murray <scott.murray@konsulko.com>
diff --git a/classes/cargo.bbclass b/classes/cargo.bbclass
new file mode 100644
index 0000000..7a8cc1e
--- /dev/null
+++ b/classes/cargo.bbclass
@@ -0,0 +1,96 @@ 
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+##
+## Purpose:
+## This class is used by any recipes that are built using
+## Cargo.
+
+inherit cargo_common
+inherit rust-target-config
+
+# the binary we will use
+CARGO = "cargo"
+
+# We need cargo to compile for the target
+BASEDEPENDS:append = " cargo-native"
+
+# Ensure we get the right rust variant
+DEPENDS:append:class-target = " rust-native ${RUSTLIB_DEP}"
+DEPENDS:append:class-nativesdk = " rust-native ${RUSTLIB_DEP}"
+DEPENDS:append:class-native = " rust-native"
+
+# Enable build separation
+B = "${WORKDIR}/build"
+
+# In case something fails in the build process, give a bit more feedback on
+# where the issue occured
+export RUST_BACKTRACE = "1"
+
+# The directory of the Cargo.toml relative to the root directory, per default
+# assume there's a Cargo.toml directly in the root directory
+CARGO_SRC_DIR ??= ""
+
+# The actual path to the Cargo.toml
+MANIFEST_PATH ??= "${S}/${CARGO_SRC_DIR}/Cargo.toml"
+
+RUSTFLAGS ??= ""
+BUILD_MODE = "${@['--release', ''][d.getVar('DEBUG_BUILD') == '1']}"
+CARGO_BUILD_FLAGS = "-v --offline --target ${RUST_HOST_SYS} ${BUILD_MODE} --manifest-path=${MANIFEST_PATH}"
+
+# This is based on the content of CARGO_BUILD_FLAGS and generally will need to
+# change if CARGO_BUILD_FLAGS changes.
+BUILD_DIR = "${@['release', 'debug'][d.getVar('DEBUG_BUILD') == '1']}"
+CARGO_TARGET_SUBDIR="${RUST_HOST_SYS}/${BUILD_DIR}"
+oe_cargo_build () {
+	export RUSTFLAGS="${RUSTFLAGS}"
+	bbnote "Using rust targets from ${RUST_TARGET_PATH}"
+	bbnote "cargo = $(which ${CARGO})"
+	bbnote "${CARGO} build ${CARGO_BUILD_FLAGS} $@"
+	"${CARGO}" build ${CARGO_BUILD_FLAGS} "$@"
+}
+
+do_compile[progress] = "outof:\s+(\d+)/(\d+)"
+cargo_do_compile () {
+	oe_cargo_fix_env
+	oe_cargo_build
+}
+
+cargo_do_install () {
+	local have_installed=false
+	for tgt in "${B}/target/${CARGO_TARGET_SUBDIR}/"*; do
+		case $tgt in
+		*.so|*.rlib)
+			install -d "${D}${rustlibdir}"
+			install -m755 "$tgt" "${D}${rustlibdir}"
+			have_installed=true
+			;;
+		*examples)
+			if [ -d "$tgt" ]; then
+				for example in "$tgt/"*; do
+					if [ -f "$example" ] && [ -x "$example" ]; then
+						install -d "${D}${bindir}"
+						install -m755 "$example" "${D}${bindir}"
+						have_installed=true
+					fi
+				done
+			fi
+			;;
+		*)
+			if [ -f "$tgt" ] && [ -x "$tgt" ]; then
+				install -d "${D}${bindir}"
+				install -m755 "$tgt" "${D}${bindir}"
+				have_installed=true
+			fi
+			;;
+		esac
+	done
+	if ! $have_installed; then
+		die "Did not find anything to install"
+	fi
+}
+
+EXPORT_FUNCTIONS do_compile do_install
diff --git a/classes/cargo_common.bbclass b/classes/cargo_common.bbclass
new file mode 100644
index 0000000..82ab25b
--- /dev/null
+++ b/classes/cargo_common.bbclass
@@ -0,0 +1,172 @@ 
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+##
+## Purpose:
+## This class is to support building with cargo. It
+## must be different than cargo.bbclass because Rust
+## now builds with Cargo but cannot use cargo.bbclass
+## due to dependencies and assumptions in cargo.bbclass
+## that Rust & Cargo are already installed. So this
+## is used by cargo.bbclass and Rust
+##
+
+# add crate fetch support
+inherit rust-common
+
+# Where we download our registry and dependencies to
+export CARGO_HOME = "${WORKDIR}/cargo_home"
+
+# The pkg-config-rs library used by cargo build scripts disables itself when
+# cross compiling unless this is defined. We set up pkg-config appropriately
+# for cross compilation, so tell it we know better than it.
+export PKG_CONFIG_ALLOW_CROSS = "1"
+
+# Don't instruct cargo to use crates downloaded by bitbake. Some rust packages,
+# for example the rust compiler itself, come with their own vendored sources.
+# Specifying two [source.crates-io] will not work.
+CARGO_DISABLE_BITBAKE_VENDORING ?= "0"
+
+# Used by libstd-rs to point to the vendor dir included in rustc src
+CARGO_VENDORING_DIRECTORY ?= "${CARGO_HOME}/bitbake"
+
+CARGO_RUST_TARGET_CCLD ?= "${RUST_TARGET_CCLD}"
+cargo_common_do_configure () {
+	mkdir -p ${CARGO_HOME}/bitbake
+
+	cat <<- EOF > ${CARGO_HOME}/config
+	# EXTRA_OECARGO_PATHS
+	paths = [
+	$(for p in ${EXTRA_OECARGO_PATHS}; do echo \"$p\",; done)
+	]
+	EOF
+
+	cat <<- EOF >> ${CARGO_HOME}/config
+
+	# Local mirror vendored by bitbake
+	[source.bitbake]
+	directory = "${CARGO_VENDORING_DIRECTORY}"
+	EOF
+
+	if [ ${CARGO_DISABLE_BITBAKE_VENDORING} = "0" ]; then
+		cat <<- EOF >> ${CARGO_HOME}/config
+
+		[source.crates-io]
+		replace-with = "bitbake"
+		local-registry = "/nonexistent"
+		EOF
+	fi
+
+	cat <<- EOF >> ${CARGO_HOME}/config
+
+	[http]
+	# Multiplexing can't be enabled because http2 can't be enabled
+	# in curl-native without dependency loops
+	multiplexing = false
+
+	# Ignore the hard coded and incorrect path to certificates
+	cainfo = "${STAGING_ETCDIR_NATIVE}/ssl/certs/ca-certificates.crt"
+
+	EOF
+
+	cat <<- EOF >> ${CARGO_HOME}/config
+
+	# HOST_SYS
+	[target.${RUST_HOST_SYS}]
+	linker = "${CARGO_RUST_TARGET_CCLD}"
+	EOF
+
+	if [ "${RUST_HOST_SYS}" != "${RUST_BUILD_SYS}" ]; then
+		cat <<- EOF >> ${CARGO_HOME}/config
+
+		# BUILD_SYS
+		[target.${RUST_BUILD_SYS}]
+		linker = "${RUST_BUILD_CCLD}"
+		EOF
+	fi
+
+	if [ "${RUST_TARGET_SYS}" != "${RUST_BUILD_SYS}" -a "${RUST_TARGET_SYS}" != "${RUST_HOST_SYS}" ]; then
+		cat <<- EOF >> ${CARGO_HOME}/config
+
+		# TARGET_SYS
+		[target.${RUST_TARGET_SYS}]
+		linker = "${RUST_TARGET_CCLD}"
+		EOF
+	fi
+
+	# Put build output in build directory preferred by bitbake instead of
+	# inside source directory unless they are the same
+	if [ "${B}" != "${S}" ]; then
+		cat <<- EOF >> ${CARGO_HOME}/config
+
+		[build]
+		# Use out of tree build destination to avoid polluting the source tree
+		target-dir = "${B}/target"
+		EOF
+	fi
+
+	cat <<- EOF >> ${CARGO_HOME}/config
+
+	[term]
+	progress.when = 'always'
+	progress.width = 80
+	EOF
+}
+
+python cargo_common_do_patch_paths() {
+    cargo_config = os.path.join(d.getVar("CARGO_HOME"), "config")
+    if not os.path.exists(cargo_config):
+        return
+
+    src_uri = (d.getVar('SRC_URI') or "").split()
+    if len(src_uri) == 0:
+        return
+
+    patches = dict()
+    workdir = d.getVar('WORKDIR')
+    fetcher = bb.fetch2.Fetch(src_uri, d)
+    for url in fetcher.urls:
+        ud = fetcher.ud[url]
+        if ud.type == 'git':
+            name = ud.parm.get('name')
+            destsuffix = ud.parm.get('destsuffix')
+            if name is not None and destsuffix is not None:
+                if ud.user:
+                    repo = '%s://%s@%s%s' % (ud.proto, ud.user, ud.host, ud.path)
+                else:
+                    repo = '%s://%s%s' % (ud.proto, ud.host, ud.path)
+                path = '%s = { path = "%s" }' % (name, os.path.join(workdir, destsuffix))
+                patches.setdefault(repo, []).append(path)
+
+    with open(cargo_config, "a+") as config:
+        for k, v in patches.items():
+            print('\n[patch."%s"]' % k, file=config)
+            for name in v:
+                print(name, file=config)
+}
+do_configure[postfuncs] += "cargo_common_do_patch_paths"
+
+oe_cargo_fix_env () {
+	export CC="${RUST_TARGET_CC}"
+	export CXX="${RUST_TARGET_CXX}"
+	export CFLAGS="${CFLAGS}"
+	export CXXFLAGS="${CXXFLAGS}"
+	export AR="${AR}"
+	export TARGET_CC="${RUST_TARGET_CC}"
+	export TARGET_CXX="${RUST_TARGET_CXX}"
+	export TARGET_CFLAGS="${CFLAGS}"
+	export TARGET_CXXFLAGS="${CXXFLAGS}"
+	export TARGET_AR="${AR}"
+	export HOST_CC="${RUST_BUILD_CC}"
+	export HOST_CXX="${RUST_BUILD_CXX}"
+	export HOST_CFLAGS="${BUILD_CFLAGS}"
+	export HOST_CXXFLAGS="${BUILD_CXXFLAGS}"
+	export HOST_AR="${BUILD_AR}"
+}
+
+EXTRA_OECARGO_PATHS ??= ""
+
+EXPORT_FUNCTIONS do_configure
diff --git a/classes/python_pyo3.bbclass b/classes/python_pyo3.bbclass
new file mode 100644
index 0000000..9a32eac
--- /dev/null
+++ b/classes/python_pyo3.bbclass
@@ -0,0 +1,36 @@ 
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+#
+# This class helps make sure that Python extensions built with PyO3
+# and setuptools_rust properly set up the environment for cross compilation
+#
+
+inherit cargo python3-dir siteinfo
+
+export PYO3_CROSS="1"
+export PYO3_CROSS_PYTHON_VERSION="${PYTHON_BASEVERSION}"
+export PYO3_CROSS_LIB_DIR="${STAGING_LIBDIR}"
+export CARGO_BUILD_TARGET="${RUST_HOST_SYS}"
+export RUSTFLAGS
+export PYO3_PYTHON="${PYTHON}"
+export PYO3_CONFIG_FILE="${WORKDIR}/pyo3.config"
+
+python_pyo3_do_configure () {
+    cat > ${WORKDIR}/pyo3.config << EOF
+implementation=CPython
+version=${PYTHON_BASEVERSION}
+shared=true
+abi3=false
+lib_name=${PYTHON_DIR}
+lib_dir=${STAGING_LIBDIR}
+pointer_width=${SITEINFO_BITS}
+build_flags=WITH_THREAD
+suppress_build_script_link_lines=false
+EOF
+}
+
+EXPORT_FUNCTIONS do_configure
diff --git a/classes/rust-common.bbclass b/classes/rust-common.bbclass
new file mode 100644
index 0000000..e0cedd7
--- /dev/null
+++ b/classes/rust-common.bbclass
@@ -0,0 +1,190 @@ 
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+inherit python3native
+inherit rust-target-config
+
+# Common variables used by all Rust builds
+export rustlibdir = "${libdir}/rustlib/${RUST_HOST_SYS}/lib"
+FILES:${PN} += "${rustlibdir}/*.so"
+FILES:${PN}-dev += "${rustlibdir}/*.rlib ${rustlibdir}/*.rmeta"
+FILES:${PN}-dbg += "${rustlibdir}/.debug"
+
+RUSTLIB = "-L ${STAGING_DIR_HOST}${rustlibdir}"
+RUST_DEBUG_REMAP = "--remap-path-prefix=${WORKDIR}=/usr/src/debug/${PN}/${EXTENDPE}${PV}-${PR}"
+RUSTFLAGS += "${RUSTLIB} ${RUST_DEBUG_REMAP}"
+RUSTLIB_DEP ?= "libstd-rs"
+RUST_PANIC_STRATEGY ?= "unwind"
+
+def target_is_armv7(d):
+    '''Determine if target is armv7'''
+    # TUNE_FEATURES may include arm* even if the target is not arm
+    # in the case of *-native packages
+    if d.getVar('TARGET_ARCH') != 'arm':
+        return False
+
+    feat = d.getVar('TUNE_FEATURES')
+    feat = frozenset(feat.split())
+    mach_overrides = d.getVar('MACHINEOVERRIDES')
+    mach_overrides = frozenset(mach_overrides.split(':'))
+
+    v7=frozenset(['armv7a', 'armv7r', 'armv7m', 'armv7ve'])
+    if mach_overrides.isdisjoint(v7) and feat.isdisjoint(v7):
+        return False
+    else:
+        return True
+target_is_armv7[vardepvalue] = "${@target_is_armv7(d)}"
+
+# Responsible for taking Yocto triples and converting it to Rust triples
+def rust_base_triple(d, thing):
+    '''
+    Mangle bitbake's *_SYS into something that rust might support (see
+    rust/mk/cfg/* for a list)
+
+    Note that os is assumed to be some linux form
+    '''
+
+    # The llvm-target for armv7 is armv7-unknown-linux-gnueabihf
+    if d.getVar('{}_ARCH'.format(thing)) == d.getVar('TARGET_ARCH') and target_is_armv7(d):
+        arch = "armv7"
+    else:
+        arch = oe.rust.arch_to_rust_arch(d.getVar('{}_ARCH'.format(thing)))
+
+    # Substituting "unknown" when vendor is empty will match rust's standard
+    # targets when building native recipes (including rust-native itself)
+    vendor = d.getVar('{}_VENDOR'.format(thing)) or "-unknown"
+
+    # Default to glibc
+    libc = "-gnu"
+    os = d.getVar('{}_OS'.format(thing))
+    # This catches ARM targets and appends the necessary hard float bits
+    if os == "linux-gnueabi" or os == "linux-musleabi":
+        libc = bb.utils.contains('TUNE_FEATURES', 'callconvention-hard', 'hf', '', d)
+    elif "musl" in os:
+        libc = "-musl"
+        os = "linux"
+    elif "elf" in os:
+        libc = "-elf"
+        os = "none"
+    elif "eabi" in os:
+        libc = "-eabi"
+        os = "none"
+
+    return arch + vendor + '-' + os + libc
+
+
+# In some cases uname and the toolchain differ on their idea of the arch name
+RUST_BUILD_ARCH = "${@oe.rust.arch_to_rust_arch(d.getVar('BUILD_ARCH'))}"
+
+# Naming explanation
+# Yocto
+# - BUILD_SYS - Yocto triple of the build environment
+# - HOST_SYS - What we're building for in Yocto
+# - TARGET_SYS - What we're building for in Yocto
+#
+# So when building '-native' packages BUILD_SYS == HOST_SYS == TARGET_SYS
+# When building packages for the image HOST_SYS == TARGET_SYS
+# This is a gross over simplification as there are other modes but
+# currently this is all that's supported.
+#
+# Rust
+# - TARGET - the system where the binary will run
+# - HOST - the system where the binary is being built
+#
+# Rust additionally will use two additional cases:
+# - undecorated (e.g. CC) - equivalent to TARGET
+# - triple suffix (e.g. CC:x86_64_unknown_linux_gnu) - both
+#   see: https://github.com/rust-lang/cc-rs
+# The way that Rust's internal triples and Yocto triples are mapped together
+# its likely best to not use the triple suffix due to potential confusion.
+
+RUST_BUILD_SYS = "${@rust_base_triple(d, 'BUILD')}"
+RUST_BUILD_SYS[vardepvalue] = "${RUST_BUILD_SYS}"
+RUST_HOST_SYS = "${@rust_base_triple(d, 'HOST')}"
+RUST_HOST_SYS[vardepvalue] = "${RUST_HOST_SYS}"
+RUST_TARGET_SYS = "${@rust_base_triple(d, 'TARGET')}"
+RUST_TARGET_SYS[vardepvalue] = "${RUST_TARGET_SYS}"
+
+# wrappers to get around the fact that Rust needs a single
+# binary but Yocto's compiler and linker commands have
+# arguments. Technically the archiver is always one command but
+# this is necessary for builds that determine the prefix and then
+# use those commands based on the prefix.
+WRAPPER_DIR = "${WORKDIR}/wrapper"
+RUST_BUILD_CC = "${WRAPPER_DIR}/build-rust-cc"
+RUST_BUILD_CXX = "${WRAPPER_DIR}/build-rust-cxx"
+RUST_BUILD_CCLD = "${WRAPPER_DIR}/build-rust-ccld"
+RUST_BUILD_AR = "${WRAPPER_DIR}/build-rust-ar"
+RUST_TARGET_CC = "${WRAPPER_DIR}/target-rust-cc"
+RUST_TARGET_CXX = "${WRAPPER_DIR}/target-rust-cxx"
+RUST_TARGET_CCLD = "${WRAPPER_DIR}/target-rust-ccld"
+RUST_TARGET_AR = "${WRAPPER_DIR}/target-rust-ar"
+
+create_wrapper_rust () {
+	file="$1"
+	shift
+	extras="$1"
+	shift
+	crate_cc_extras="$1"
+	shift
+
+	cat <<- EOF > "${file}"
+	#!/usr/bin/env python3
+	import os, sys
+	orig_binary = "$@"
+	extras = "${extras}"
+
+	# Apply a required subset of CC crate compiler flags
+	# when we build a target recipe for a non-bare-metal target.
+	# https://github.com/rust-lang/cc-rs/blob/main/src/lib.rs#L1614
+	if "CRATE_CC_NO_DEFAULTS" in os.environ.keys() and \
+	   "TARGET" in os.environ.keys() and not "-none-" in os.environ["TARGET"]:
+	    orig_binary += "${crate_cc_extras}"
+
+	binary = orig_binary.split()[0]
+	args = orig_binary.split() + sys.argv[1:]
+	if extras:
+	    args.append(extras)
+	os.execvp(binary, args)
+	EOF
+	chmod +x "${file}"
+}
+
+WRAPPER_TARGET_CC = "${CC}"
+WRAPPER_TARGET_CXX = "${CXX}"
+WRAPPER_TARGET_CCLD = "${CCLD}"
+WRAPPER_TARGET_LDFLAGS = "${LDFLAGS}"
+WRAPPER_TARGET_EXTRALD = ""
+WRAPPER_TARGET_AR = "${AR}"
+
+# compiler is used by gcc-rs
+# linker is used by rustc/cargo
+# archiver is used by the build of libstd-rs
+do_rust_create_wrappers () {
+	mkdir -p "${WRAPPER_DIR}"
+
+	# Yocto Build / Rust Host C compiler
+	create_wrapper_rust "${RUST_BUILD_CC}" "" "${CRATE_CC_FLAGS}" "${BUILD_CC}"
+	# Yocto Build / Rust Host C++ compiler
+	create_wrapper_rust "${RUST_BUILD_CXX}" "" "${CRATE_CC_FLAGS}" "${BUILD_CXX}"
+	# Yocto Build / Rust Host linker
+	create_wrapper_rust "${RUST_BUILD_CCLD}" "" "" "${BUILD_CCLD}" "${BUILD_LDFLAGS}"
+	# Yocto Build / Rust Host archiver
+	create_wrapper_rust "${RUST_BUILD_AR}" "" "" "${BUILD_AR}"
+
+	# Yocto Target / Rust Target C compiler
+	create_wrapper_rust "${RUST_TARGET_CC}" "${WRAPPER_TARGET_EXTRALD}" "${CRATE_CC_FLAGS}" "${WRAPPER_TARGET_CC}" "${WRAPPER_TARGET_LDFLAGS}"
+	# Yocto Target / Rust Target C++ compiler
+	create_wrapper_rust "${RUST_TARGET_CXX}" "${WRAPPER_TARGET_EXTRALD}" "${CRATE_CC_FLAGS}" "${WRAPPER_TARGET_CXX}" "${CXXFLAGS}"
+	# Yocto Target / Rust Target linker
+	create_wrapper_rust "${RUST_TARGET_CCLD}" "${WRAPPER_TARGET_EXTRALD}" "" "${WRAPPER_TARGET_CCLD}" "${WRAPPER_TARGET_LDFLAGS}"
+	# Yocto Target / Rust Target archiver
+	create_wrapper_rust "${RUST_TARGET_AR}" "" "" "${WRAPPER_TARGET_AR}"
+
+}
+
+addtask rust_create_wrappers before do_configure after do_patch do_prepare_recipe_sysroot
+do_rust_create_wrappers[dirs] += "${WRAPPER_DIR}"
diff --git a/classes/rust-target-config.bbclass b/classes/rust-target-config.bbclass
new file mode 100644
index 0000000..21a56ed
--- /dev/null
+++ b/classes/rust-target-config.bbclass
@@ -0,0 +1,433 @@ 
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+# Right now this is focused on arm-specific tune features.
+# We get away with this for now as one can only use x86-64 as the build host
+# (not arm).
+# Note that TUNE_FEATURES is _always_ refering to the target, so we really
+# don't want to use this for the host/build.
+def llvm_features_from_tune(d):
+    f = []
+    feat = d.getVar('TUNE_FEATURES')
+    if not feat:
+        return []
+    feat = frozenset(feat.split())
+
+    mach_overrides = d.getVar('MACHINEOVERRIDES')
+    mach_overrides = frozenset(mach_overrides.split(':'))
+
+    if 'vfpv4' in feat:
+        f.append("+vfp4")
+    if 'vfpv3' in feat:
+        f.append("+vfp3")
+    if 'vfpv3d16' in feat:
+        f.append("+d16")
+
+    if 'vfpv2' in feat or 'vfp' in feat:
+        f.append("+vfp2")
+
+    if 'neon' in feat:
+        f.append("+neon")
+
+    if 'mips32' in feat:
+        f.append("+mips32")
+
+    if 'mips32r2' in feat:
+        f.append("+mips32r2")
+
+    if target_is_armv7(d):
+        f.append('+v7')
+
+    if ('armv6' in mach_overrides) or ('armv6' in feat):
+        f.append("+v6")
+    if 'armv5te' in feat:
+        f.append("+strict-align")
+        f.append("+v5te")
+    elif 'armv5' in feat:
+        f.append("+strict-align")
+        f.append("+v5")
+
+    if ('armv4' in mach_overrides) or ('armv4' in feat):
+        f.append("+strict-align")
+
+    if 'dsp' in feat:
+        f.append("+dsp")
+
+    if 'thumb' in feat:
+        if d.getVar('ARM_THUMB_OPT') == "thumb":
+            if target_is_armv7(d):
+                f.append('+thumb2')
+            f.append("+thumb-mode")
+
+    if 'cortexa5' in feat:
+        f.append("+a5")
+    if 'cortexa7' in feat:
+        f.append("+a7")
+    if 'cortexa9' in feat:
+        f.append("+a9")
+    if 'cortexa15' in feat:
+        f.append("+a15")
+    if 'cortexa17' in feat:
+        f.append("+a17")
+    if ('riscv64' in feat) or ('riscv32' in feat):
+        f.append("+a,+c,+d,+f,+m")
+    return f
+llvm_features_from_tune[vardepvalue] = "${@llvm_features_from_tune(d)}"
+
+# TARGET_CC_ARCH changes from build/cross/target so it'll do the right thing
+# this should go away when https://github.com/rust-lang/rust/pull/31709 is
+# stable (1.9.0?)
+def llvm_features_from_cc_arch(d):
+    f = []
+    feat = d.getVar('TARGET_CC_ARCH')
+    if not feat:
+        return []
+    feat = frozenset(feat.split())
+
+    if '-mmmx' in feat:
+        f.append("+mmx")
+    if '-msse' in feat:
+        f.append("+sse")
+    if '-msse2' in feat:
+        f.append("+sse2")
+    if '-msse3' in feat:
+        f.append("+sse3")
+    if '-mssse3' in feat:
+        f.append("+ssse3")
+    if '-msse4.1' in feat:
+        f.append("+sse4.1")
+    if '-msse4.2' in feat:
+        f.append("+sse4.2")
+    if '-msse4a' in feat:
+        f.append("+sse4a")
+    if '-mavx' in feat:
+        f.append("+avx")
+    if '-mavx2' in feat:
+        f.append("+avx2")
+
+    return f
+
+def llvm_features_from_target_fpu(d):
+    # TARGET_FPU can be hard or soft. +soft-float tell llvm to use soft float
+    # ABI. There is no option for hard.
+
+    fpu = d.getVar('TARGET_FPU')
+    return ["+soft-float"] if fpu == "soft" else []
+
+def llvm_features(d):
+    return ','.join(llvm_features_from_tune(d) +
+                    llvm_features_from_cc_arch(d) +
+                    llvm_features_from_target_fpu(d))
+
+llvm_features[vardepvalue] = "${@llvm_features(d)}"
+
+## arm-unknown-linux-gnueabihf
+DATA_LAYOUT[arm-eabi] = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
+TARGET_ENDIAN[arm-eabi] = "little"
+TARGET_POINTER_WIDTH[arm-eabi] = "32"
+TARGET_C_INT_WIDTH[arm-eabi] = "32"
+MAX_ATOMIC_WIDTH[arm-eabi] = "64"
+FEATURES[arm-eabi] = "+v6,+vfp2"
+
+## armv7-unknown-linux-gnueabihf
+DATA_LAYOUT[armv7-eabi] = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
+TARGET_ENDIAN[armv7-eabi] = "little"
+TARGET_POINTER_WIDTH[armv7-eabi] = "32"
+TARGET_C_INT_WIDTH[armv7-eabi] = "32"
+MAX_ATOMIC_WIDTH[armv7-eabi] = "64"
+FEATURES[armv7-eabi] = "+v7,+vfp2,+thumb2"
+
+## aarch64-unknown-linux-{gnu, musl}
+DATA_LAYOUT[aarch64] = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
+TARGET_ENDIAN[aarch64] = "little"
+TARGET_POINTER_WIDTH[aarch64] = "64"
+TARGET_C_INT_WIDTH[aarch64] = "32"
+MAX_ATOMIC_WIDTH[aarch64] = "128"
+
+## x86_64-unknown-linux-{gnu, musl}
+DATA_LAYOUT[x86_64] = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+TARGET_ENDIAN[x86_64] = "little"
+TARGET_POINTER_WIDTH[x86_64] = "64"
+TARGET_C_INT_WIDTH[x86_64] = "32"
+MAX_ATOMIC_WIDTH[x86_64] = "64"
+
+## x86_64-unknown-linux-gnux32
+DATA_LAYOUT[x86_64-x32] = "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+TARGET_ENDIAN[x86_64-x32] = "little"
+TARGET_POINTER_WIDTH[x86_64-x32] = "32"
+TARGET_C_INT_WIDTH[x86_64-x32] = "32"
+MAX_ATOMIC_WIDTH[x86_64-x32] = "64"
+
+## i686-unknown-linux-{gnu, musl}
+DATA_LAYOUT[i686] = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
+TARGET_ENDIAN[i686] = "little"
+TARGET_POINTER_WIDTH[i686] = "32"
+TARGET_C_INT_WIDTH[i686] = "32"
+MAX_ATOMIC_WIDTH[i686] = "64"
+
+## XXX: a bit of a hack so qemux86 builds, clone of i686-unknown-linux-{gnu, musl} above
+DATA_LAYOUT[i586] = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
+TARGET_ENDIAN[i586] = "little"
+TARGET_POINTER_WIDTH[i586] = "32"
+TARGET_C_INT_WIDTH[i586] = "32"
+MAX_ATOMIC_WIDTH[i586] = "64"
+
+## mips-unknown-linux-{gnu, musl}
+DATA_LAYOUT[mips] = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"
+TARGET_ENDIAN[mips] = "big"
+TARGET_POINTER_WIDTH[mips] = "32"
+TARGET_C_INT_WIDTH[mips] = "32"
+MAX_ATOMIC_WIDTH[mips] = "32"
+
+## mipsel-unknown-linux-{gnu, musl}
+DATA_LAYOUT[mipsel] = "e-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"
+TARGET_ENDIAN[mipsel] = "little"
+TARGET_POINTER_WIDTH[mipsel] = "32"
+TARGET_C_INT_WIDTH[mipsel] = "32"
+MAX_ATOMIC_WIDTH[mipsel] = "32"
+
+## mips64-unknown-linux-{gnu, musl}
+DATA_LAYOUT[mips64] = "E-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128"
+TARGET_ENDIAN[mips64] = "big"
+TARGET_POINTER_WIDTH[mips64] = "64"
+TARGET_C_INT_WIDTH[mips64] = "64"
+MAX_ATOMIC_WIDTH[mips64] = "64"
+
+## mips64-n32-unknown-linux-{gnu, musl}
+DATA_LAYOUT[mips64-n32] = "E-m:e-p:32:32-i8:8:32-i16:16:32-i64:64-n32:64-S128"
+TARGET_ENDIAN[mips64-n32] = "big"
+TARGET_POINTER_WIDTH[mips64-n32] = "32"
+TARGET_C_INT_WIDTH[mips64-n32] = "32"
+MAX_ATOMIC_WIDTH[mips64-n32] = "64"
+
+## mips64el-unknown-linux-{gnu, musl}
+DATA_LAYOUT[mips64el] = "e-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128"
+TARGET_ENDIAN[mips64el] = "little"
+TARGET_POINTER_WIDTH[mips64el] = "64"
+TARGET_C_INT_WIDTH[mips64el] = "64"
+MAX_ATOMIC_WIDTH[mips64el] = "64"
+
+## powerpc-unknown-linux-{gnu, musl}
+DATA_LAYOUT[powerpc] = "E-m:e-p:32:32-i64:64-n32"
+TARGET_ENDIAN[powerpc] = "big"
+TARGET_POINTER_WIDTH[powerpc] = "32"
+TARGET_C_INT_WIDTH[powerpc] = "32"
+MAX_ATOMIC_WIDTH[powerpc] = "32"
+
+## powerpc64-unknown-linux-{gnu, musl}
+DATA_LAYOUT[powerpc64] = "E-m:e-i64:64-n32:64-S128-v256:256:256-v512:512:512"
+TARGET_ENDIAN[powerpc64] = "big"
+TARGET_POINTER_WIDTH[powerpc64] = "64"
+TARGET_C_INT_WIDTH[powerpc64] = "64"
+MAX_ATOMIC_WIDTH[powerpc64] = "64"
+
+## powerpc64le-unknown-linux-{gnu, musl}
+DATA_LAYOUT[powerpc64le] = "e-m:e-i64:64-n32:64-v256:256:256-v512:512:512"
+TARGET_ENDIAN[powerpc64le] = "little"
+TARGET_POINTER_WIDTH[powerpc64le] = "64"
+TARGET_C_INT_WIDTH[powerpc64le] = "64"
+MAX_ATOMIC_WIDTH[powerpc64le] = "64"
+
+## riscv32gc-unknown-linux-{gnu, musl}
+DATA_LAYOUT[riscv32gc] = "e-m:e-p:32:32-i64:64-n32-S128"
+TARGET_ENDIAN[riscv32gc] = "little"
+TARGET_POINTER_WIDTH[riscv32gc] = "32"
+TARGET_C_INT_WIDTH[riscv32gc] = "32"
+MAX_ATOMIC_WIDTH[riscv32gc] = "32"
+
+## riscv64gc-unknown-linux-{gnu, musl}
+DATA_LAYOUT[riscv64gc] = "e-m:e-p:64:64-i64:64-i128:128-n64-S128"
+TARGET_ENDIAN[riscv64gc] = "little"
+TARGET_POINTER_WIDTH[riscv64gc] = "64"
+TARGET_C_INT_WIDTH[riscv64gc] = "64"
+MAX_ATOMIC_WIDTH[riscv64gc] = "64"
+
+## loongarch64-unknown-linux-{gnu, musl}
+DATA_LAYOUT[loongarch64] = "e-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128"
+TARGET_ENDIAN[loongarch64] = "little"
+TARGET_POINTER_WIDTH[loongarch64] = "64"
+TARGET_C_INT_WIDTH[loongarch64] = "32"
+MAX_ATOMIC_WIDTH[loongarch64] = "64"
+FEATURES[loongarch64] = "+d"
+
+# Convert a normal arch (HOST_ARCH, TARGET_ARCH, BUILD_ARCH, etc) to something
+# rust's internals won't choke on.
+def arch_to_rust_target_arch(arch):
+    if arch == "i586" or arch == "i686":
+        return "x86"
+    elif arch == "mipsel":
+        return "mips"
+    elif arch == "mip64sel":
+        return "mips64"
+    elif arch == "armv7":
+        return "arm"
+    elif arch == "powerpc64le":
+        return "powerpc64"
+    elif arch == "riscv32gc":
+        return "riscv32"
+    elif arch == "riscv64gc":
+        return "riscv64"
+    else:
+        return arch
+
+# Convert a rust target string to a llvm-compatible triplet
+def rust_sys_to_llvm_target(sys):
+    if sys.startswith('riscv32gc-'):
+        return sys.replace('riscv32gc-', 'riscv32-', 1)
+    if sys.startswith('riscv64gc-'):
+        return sys.replace('riscv64gc-', 'riscv64-', 1)
+    return sys
+
+# generates our target CPU value
+def llvm_cpu(d):
+    cpu = d.getVar('PACKAGE_ARCH')
+    target = d.getVar('TRANSLATED_TARGET_ARCH')
+
+    trans = {}
+    trans['corei7-64'] = "corei7"
+    trans['core2-32'] = "core2"
+    trans['x86-64'] = "x86-64"
+    trans['i686'] = "i686"
+    trans['i586'] = "i586"
+    trans['mips64'] = "mips64"
+    trans['mips64el'] = "mips64"
+    trans['riscv64'] = "generic-rv64"
+    trans['riscv32'] = "generic-rv32"
+    trans['loongarch64'] = "la464"
+
+    if target in ["mips", "mipsel", "powerpc"]:
+        feat = frozenset(d.getVar('TUNE_FEATURES').split())
+        if "mips32r2" in feat:
+            trans['mipsel'] = "mips32r2"
+            trans['mips'] = "mips32r2"
+        elif "mips32" in feat:
+            trans['mipsel'] = "mips32"
+            trans['mips'] = "mips32"
+        elif "ppc7400" in feat:
+            trans['powerpc'] = "7400"
+
+    try:
+        return trans[cpu]
+    except:
+        return trans.get(target, "generic")
+
+llvm_cpu[vardepvalue] = "${@llvm_cpu(d)}"
+
+def rust_gen_target(d, thing, wd, arch):
+    import json
+
+    build_sys = d.getVar('BUILD_SYS')
+    target_sys = d.getVar('TARGET_SYS')
+
+    sys = d.getVar('{}_SYS'.format(thing))
+    prefix = d.getVar('{}_PREFIX'.format(thing))
+    rustsys = d.getVar('RUST_{}_SYS'.format(thing))
+
+    abi = None
+    cpu = "generic"
+    features = ""
+
+    # Need to apply the target tuning consitently, only if the triplet applies to the target
+    # and not in the native case
+    if sys == target_sys and sys != build_sys:
+        abi = d.getVar('ABIEXTENSION')
+        cpu = llvm_cpu(d)
+        if bb.data.inherits_class('native', d):
+            features = ','.join(llvm_features_from_cc_arch(d))
+        else:
+            features = llvm_features(d) or ""
+        # arm and armv7 have different targets in llvm
+        if arch == "arm" and target_is_armv7(d):
+            arch = 'armv7'
+
+    rust_arch = oe.rust.arch_to_rust_arch(arch)
+
+    if abi:
+        arch_abi = "{}-{}".format(rust_arch, abi)
+    else:
+        arch_abi = rust_arch
+
+    features = features or d.getVarFlag('FEATURES', arch_abi) or ""
+    features = features.strip()
+
+    # build tspec
+    tspec = {}
+    tspec['llvm-target'] = rust_sys_to_llvm_target(rustsys)
+    tspec['data-layout'] = d.getVarFlag('DATA_LAYOUT', arch_abi)
+    if tspec['data-layout'] is None:
+        bb.fatal("No rust target defined for %s" % arch_abi)
+    tspec['max-atomic-width'] = int(d.getVarFlag('MAX_ATOMIC_WIDTH', arch_abi))
+    tspec['target-pointer-width'] = d.getVarFlag('TARGET_POINTER_WIDTH', arch_abi)
+    tspec['target-c-int-width'] = d.getVarFlag('TARGET_C_INT_WIDTH', arch_abi)
+    tspec['target-endian'] = d.getVarFlag('TARGET_ENDIAN', arch_abi)
+    tspec['arch'] = arch_to_rust_target_arch(rust_arch)
+    if "baremetal" in d.getVar('TCLIBC'):
+        tspec['os'] = "none"
+    else:
+        tspec['os'] = "linux"
+    if "musl" in tspec['llvm-target']:
+        tspec['env'] = "musl"
+    else:
+        tspec['env'] = "gnu"
+    if "riscv64" in tspec['llvm-target']:
+        tspec['llvm-abiname'] = "lp64d"
+    if "riscv32" in tspec['llvm-target']:
+        tspec['llvm-abiname'] = "ilp32d"
+    if "loongarch64" in tspec['llvm-target']:
+        tspec['llvm-abiname'] = "lp64d"
+    tspec['vendor'] = "unknown"
+    tspec['target-family'] = "unix"
+    tspec['linker'] = "{}{}gcc".format(d.getVar('CCACHE'), prefix)
+    tspec['cpu'] = cpu
+    if features != "":
+        tspec['features'] = features
+    tspec['dynamic-linking'] = True
+    tspec['executables'] = True
+    tspec['linker-is-gnu'] = True
+    tspec['linker-flavor'] = "gcc"
+    tspec['has-rpath'] = True
+    tspec['position-independent-executables'] = True
+    tspec['panic-strategy'] = d.getVar("RUST_PANIC_STRATEGY")
+
+    # write out the target spec json file
+    with open(wd + rustsys + '.json', 'w') as f:
+        json.dump(tspec, f, indent=4)
+
+# These are accounted for in tmpdir path names so don't need to be in the task sig
+rust_gen_target[vardepsexclude] += "ABIEXTENSION llvm_cpu"
+
+do_rust_gen_targets[vardeps] += "DATA_LAYOUT TARGET_ENDIAN TARGET_POINTER_WIDTH TARGET_C_INT_WIDTH MAX_ATOMIC_WIDTH FEATURES"
+
+RUST_TARGETS_DIR = "${WORKDIR}/rust-targets/"
+export RUST_TARGET_PATH = "${RUST_TARGETS_DIR}"
+
+python do_rust_gen_targets () {
+    wd = d.getVar('RUST_TARGETS_DIR')
+    # Order of BUILD, HOST, TARGET is important in case the files overwrite, most specific last
+    rust_gen_target(d, 'BUILD', wd, d.getVar('BUILD_ARCH'))
+    rust_gen_target(d, 'HOST', wd, d.getVar('HOST_ARCH'))
+    rust_gen_target(d, 'TARGET', wd, d.getVar('TARGET_ARCH'))
+}
+
+addtask rust_gen_targets after do_patch before do_compile
+do_rust_gen_targets[dirs] += "${RUST_TARGETS_DIR}"
+
+# For building target C dependecies use only compiler parameters defined in OE
+# and ignore the CC crate defaults which conflicts with OE ones in some cases.
+# https://github.com/rust-lang/cc-rs#external-configuration-via-environment-variables
+# Some CC crate compiler flags are still required.
+# We apply them conditionally in rust wrappers.
+
+CRATE_CC_FLAGS:class-native = ""
+CRATE_CC_FLAGS:class-nativesdk = ""
+CRATE_CC_FLAGS:class-target = " -ffunction-sections -fdata-sections -fPIC"
+
+do_compile:prepend:class-target() {
+    export CRATE_CC_NO_DEFAULTS=1
+}
+do_install:prepend:class-target() {
+    export CRATE_CC_NO_DEFAULTS=1
+}
diff --git a/classes/rust.bbclass b/classes/rust.bbclass
new file mode 100644
index 0000000..dae25ca
--- /dev/null
+++ b/classes/rust.bbclass
@@ -0,0 +1,51 @@ 
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+inherit rust-common
+
+RUSTC = "rustc"
+
+RUSTC_ARCHFLAGS += "--target=${RUST_HOST_SYS} ${RUSTFLAGS}"
+
+def rust_base_dep(d):
+    # Taken from meta/classes/base.bbclass `base_dep_prepend` and modified to
+    # use rust instead of gcc
+    deps = ""
+    if not d.getVar('INHIBIT_DEFAULT_RUST_DEPS'):
+        if (d.getVar('HOST_SYS') != d.getVar('BUILD_SYS')):
+            deps += " rust-native ${RUSTLIB_DEP}"
+        else:
+            deps += " rust-native"
+    return deps
+
+DEPENDS:append = " ${@rust_base_dep(d)}"
+
+# BUILD_LDFLAGS
+# 	${STAGING_LIBDIR_NATIVE}
+# 	${STAGING_BASE_LIBDIR_NATIVE}
+# BUILDSDK_LDFLAGS
+# 	${STAGING_LIBDIR}
+# 	#{STAGING_DIR_HOST}
+# TARGET_LDFLAGS ?????
+#RUSTC_BUILD_LDFLAGS = "\
+#	--sysroot ${STAGING_DIR_NATIVE} \
+#	-L${STAGING_LIBDIR_NATIVE}	\
+#	-L${STAGING_BASE_LIBDIR_NATIVE}	\
+#"
+
+# XXX: for some reason bitbake sets BUILD_* & TARGET_* but uses the bare
+# variables for HOST. Alias things to make it easier for us.
+HOST_LDFLAGS  ?= "${LDFLAGS}"
+HOST_CFLAGS   ?= "${CFLAGS}"
+HOST_CXXFLAGS ?= "${CXXFLAGS}"
+HOST_CPPFLAGS ?= "${CPPFLAGS}"
+
+rustlib_suffix="${TUNE_ARCH}${TARGET_VENDOR}-${TARGET_OS}/rustlib/${RUST_HOST_SYS}/lib"
+# Native sysroot standard library path
+rustlib_src="${prefix}/lib/${rustlib_suffix}"
+# Host sysroot standard library path
+rustlib="${libdir}/${rustlib_suffix}"
+rustlib:class-native="${libdir}/rustlib/${BUILD_SYS}/lib"
diff --git a/conf/layer.conf b/conf/layer.conf
new file mode 100644
index 0000000..b057c77
--- /dev/null
+++ b/conf/layer.conf
@@ -0,0 +1,25 @@ 
+# We have a conf and classes directory, but we have classes that should
+# override those in oe-core, so prepend to BBPATH
+BBPATH =. "${LAYERDIR}:"
+
+# We have a recipes directory, add to BBFILES
+BBFILES += "${LAYERDIR}/recipes*/*/*.bb ${LAYERDIR}/recipes*/*/*.bbappend"
+
+BBFILE_COLLECTIONS += "lts-rust-mixin"
+BBFILE_PATTERN_lts-rust-mixin := "^${LAYERDIR}/"
+BBFILE_PRIORITY_lts-rust-mixin = "6"
+
+LAYERSERIES_COMPAT_lts-rust-mixin = "kirkstone"
+
+LAYERDEPENDS_lts-rust-mixin = "core"
+
+RUSTVERSION ?= "1.68%"
+
+# This is not ideal, but it seems better to mask out the older oe-core
+# recipes completely since they will not work with this layer on top,
+# and several of them result in parse warnings.
+BBMASK:append = " meta/recipes-devtools/cargo/ meta/recipes-devtools/rust/ meta/recipes-gnome/librsvg"
+
+# These are in bitbake.conf in langdale and up, adding them here to make
+# using the layer more turn-key seems reasonable.
+BB_BASEHASH_IGNORE_VARS:append = " RUST_BUILD_SYS RUST_HOST_SYS RUST_TARGET_SYS"
diff --git a/recipes-core/packagegroups/packagegroup-rust-cross-canadian.bb b/recipes-core/packagegroups/packagegroup-rust-cross-canadian.bb
new file mode 100644
index 0000000..bb10a2d
--- /dev/null
+++ b/recipes-core/packagegroups/packagegroup-rust-cross-canadian.bb
@@ -0,0 +1,21 @@ 
+SUMMARY = "Host SDK package for Rust cross canadian toolchain"
+PN = "packagegroup-rust-cross-canadian-${MACHINE}"
+
+inherit cross-canadian packagegroup
+
+PACKAGEGROUP_DISABLE_COMPLEMENTARY = "1"
+
+RUST="rust-cross-canadian-${TRANSLATED_TARGET_ARCH}"
+
+RDEPENDS:${PN} = " \
+    ${@all_multilib_tune_values(d, 'RUST')} \
+    nativesdk-binutils \
+    nativesdk-gcc \
+    nativesdk-glibc-dev \
+    nativesdk-libgcc-dev \
+    nativesdk-rust \
+    nativesdk-cargo \
+    nativesdk-rust-tools-clippy \
+    nativesdk-rust-tools-rustfmt \
+"
+
diff --git a/recipes-devtools/rust/README-rust.md b/recipes-devtools/rust/README-rust.md
new file mode 100644
index 0000000..209836a
--- /dev/null
+++ b/recipes-devtools/rust/README-rust.md
@@ -0,0 +1,38 @@ 
+## Introduction
+
+This provides the Rust compiler, tools for building packages (cargo), and 
+a few example projects.
+
+## Building a rust package
+
+When building a rust package in bitbake, it's usually easiest to build with
+cargo using cargo.bbclass.  If the package already has a Cargo.toml file (most
+rust packages do), then it's especially easy.  Otherwise you should probably
+get the code building in cargo first. 
+
+Once your package builds in cargo, you can use
+[cargo-bitbake](https://github.com/cardoe/cargo-bitbake) to generate a bitbake
+recipe for it.  This allows bitbake to fetch all the necessary dependent
+crates, as well as a pegged version of the crates.io index, to ensure maximum
+reproducibility. Once the Rust SDK support is added to oe-core, cargo-bitbake
+may also be added to the SDK.
+
+NOTE: You will have to edit the generated recipe based on the comments
+contained within it
+
+## Pitfalls
+
+ - TARGET_SYS _must_ be different from BUILD_SYS. This is due to the way Rust
+ configuration options are tracked for different targets. This is the reason 
+ we use the Yocto triples instead of the native Rust triples. See rust-lang/cargo#3349.
+
+## Dependencies
+
+On the host:
+ - Any `-sys` packages your project might need must have RDEPENDs for
+ the native library.
+
+On the target:
+ - Any `-sys` packages your project might need must have RDEPENDs for
+ the native library.
+
diff --git a/recipes-devtools/rust/cargo_1.68.1.bb b/recipes-devtools/rust/cargo_1.68.1.bb
new file mode 100644
index 0000000..2b2394e
--- /dev/null
+++ b/recipes-devtools/rust/cargo_1.68.1.bb
@@ -0,0 +1,73 @@ 
+SUMMARY ?= "Cargo, a package manager for Rust."
+HOMEPAGE = "https://crates.io"
+LICENSE = "MIT | Apache-2.0"
+SECTION = "devel"
+
+DEPENDS = "openssl zlib curl ca-certificates libssh2"
+
+LIC_FILES_CHKSUM = " \
+    file://LICENSE-MIT;md5=b377b220f43d747efdec40d69fcaa69d \
+    file://LICENSE-APACHE;md5=71b224ca933f0676e26d5c2e2271331c \
+    file://LICENSE-THIRD-PARTY;md5=f257ad009884cb88a3a87d6920e7180a \
+"
+
+require rust-source.inc
+require rust-snapshot.inc
+
+S = "${RUSTSRC}/src/tools/cargo"
+CARGO_VENDORING_DIRECTORY = "${RUSTSRC}/vendor"
+
+inherit cargo pkgconfig
+
+DEBUG_PREFIX_MAP += "-fdebug-prefix-map=${RUSTSRC}/vendor=/usr/src/debug/${PN}/${EXTENDPE}${PV}-${PR}"
+
+do_cargo_setup_snapshot () {
+	${WORKDIR}/rust-snapshot-components/${CARGO_SNAPSHOT}/install.sh --prefix="${WORKDIR}/${CARGO_SNAPSHOT}" --disable-ldconfig
+	# Need to use uninative's loader if enabled/present since the library paths
+	# are used internally by rust and result in symbol mismatches if we don't
+	if [ ! -z "${UNINATIVE_LOADER}" -a -e "${UNINATIVE_LOADER}" ]; then
+		patchelf-uninative ${WORKDIR}/${CARGO_SNAPSHOT}/bin/cargo --set-interpreter ${UNINATIVE_LOADER}
+	fi
+}
+
+addtask cargo_setup_snapshot after do_unpack before do_configure
+do_cargo_setup_snapshot[dirs] += "${WORKDIR}/${CARGO_SNAPSHOT}"
+do_cargo_setup_snapshot[vardepsexclude] += "UNINATIVE_LOADER"
+
+
+do_compile:prepend () {
+	export RUSTC_BOOTSTRAP="1"
+}
+
+do_install () {
+	install -d "${D}${bindir}"
+	install -m 755 "${B}/target/${CARGO_TARGET_SUBDIR}/cargo" "${D}${bindir}"
+}
+
+do_install:append:class-nativesdk() {
+	# To quote the cargo docs, "Cargo also sets the dynamic library path when compiling
+	# and running binaries with commands like `cargo run` and `cargo test`". Sadly it
+	# sets to libdir but not base_libdir leading to symbol mismatches depending on the
+	# host OS. Fully set LD_LIBRARY_PATH to contain both to avoid this.
+	create_wrapper ${D}/${bindir}/cargo LD_LIBRARY_PATH=${libdir}:${base_libdir}
+}
+
+# Disabled due to incompatibility with libgit2 0.28.x (https://github.com/rust-lang/git2-rs/issues/458, https://bugs.gentoo.org/707746#c1)
+# as shipped by Yocto Dunfell.
+# According to https://github.com/rust-lang/git2-rs/issues/458#issuecomment-522567539, there are no compatibility guarantees between
+# libgit2-sys and arbitrary system libgit2 versions, so better keep this turned off.
+#export LIBGIT2_SYS_USE_PKG_CONFIG = "1"
+
+# Needed for pkg-config to be used
+export LIBSSH2_SYS_USE_PKG_CONFIG = "1"
+
+# When building cargo-native we don't have cargo-native to use and depend on,
+# so we must use the locally set up snapshot to bootstrap the build.
+BASEDEPENDS:remove:class-native = "cargo-native"
+CARGO:class-native = "${WORKDIR}/${CARGO_SNAPSHOT}/bin/cargo"
+
+DEPENDS:append:class-nativesdk = " nativesdk-rust"
+RUSTLIB:append:class-nativesdk = " -L ${STAGING_DIR_HOST}/${SDKPATHNATIVE}/usr/lib/rustlib/${RUST_HOST_SYS}/lib"
+RUSTLIB_DEP:class-nativesdk = ""
+
+BBCLASSEXTEND = "native nativesdk"
diff --git a/recipes-devtools/rust/files/0001-Do-not-use-LFS64-on-linux-with-musl.patch b/recipes-devtools/rust/files/0001-Do-not-use-LFS64-on-linux-with-musl.patch
new file mode 100644
index 0000000..da72665
--- /dev/null
+++ b/recipes-devtools/rust/files/0001-Do-not-use-LFS64-on-linux-with-musl.patch
@@ -0,0 +1,168 @@ 
+From 3ecce665198e3420d70139d86ed22e74804c9379 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Wed, 28 Dec 2022 22:35:55 -0800
+Subject: [PATCH] Do not use LFS64 on linux with musl
+
+glibc is providing open64 and other lfs64 functions but musl aliases
+them to normal equivalents since off_t is always 64-bit on musl,
+therefore check for target env along when target OS is linux before
+using open64, this is more available. Latest Musl has made these
+namespace changes [1]
+
+[1] https://git.musl-libc.org/cgit/musl/commit/?id=246f1c811448f37a44b41cd8df8d0ef9736d95f4
+
+Upstream-Status: Submitted [https://github.com/rust-lang/rust/pull/106246]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ library/std/src/os/linux/fs.rs |  9 ++++++++-
+ library/std/src/sys/unix/fd.rs | 14 ++++++++++----
+ library/std/src/sys/unix/fs.rs | 27 ++++++++++++++++++++-------
+ 3 files changed, 38 insertions(+), 12 deletions(-)
+
+diff --git a/library/std/src/os/linux/fs.rs b/library/std/src/os/linux/fs.rs
+index 479bbcc17a8..ab0b2a3eda3 100644
+--- a/library/std/src/os/linux/fs.rs
++++ b/library/std/src/os/linux/fs.rs
+@@ -329,7 +329,14 @@ pub trait MetadataExt {
+ impl MetadataExt for Metadata {
+     #[allow(deprecated)]
+     fn as_raw_stat(&self) -> &raw::stat {
+-        unsafe { &*(self.as_inner().as_inner() as *const libc::stat64 as *const raw::stat) }
++        #[cfg(target_env = "musl")]
++        unsafe {
++            &*(self.as_inner().as_inner() as *const libc::stat as *const raw::stat)
++        }
++        #[cfg(not(target_env = "musl"))]
++        unsafe {
++            &*(self.as_inner().as_inner() as *const libc::stat64 as *const raw::stat)
++        }
+     }
+     fn st_dev(&self) -> u64 {
+         self.as_inner().as_inner().st_dev as u64
+diff --git a/library/std/src/sys/unix/fd.rs b/library/std/src/sys/unix/fd.rs
+index dbaa3c33e2e..5d31557bd11 100644
+--- a/library/std/src/sys/unix/fd.rs
++++ b/library/std/src/sys/unix/fd.rs
+@@ -115,9 +115,12 @@ pub fn read_to_end(&self, buf: &mut Vec<u8>) -> io::Result<usize> {
+     }
+ 
+     pub fn read_at(&self, buf: &mut [u8], offset: u64) -> io::Result<usize> {
+-        #[cfg(not(any(target_os = "linux", target_os = "android")))]
++        #[cfg(not(any(
++            all(target_os = "linux", not(target_env = "musl")),
++            target_os = "android"
++        )))]
+         use libc::pread as pread64;
+-        #[cfg(any(target_os = "linux", target_os = "android"))]
++        #[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+         use libc::pread64;
+ 
+         unsafe {
+@@ -181,9 +184,12 @@ pub fn is_write_vectored(&self) -> bool {
+     }
+ 
+     pub fn write_at(&self, buf: &[u8], offset: u64) -> io::Result<usize> {
+-        #[cfg(not(any(target_os = "linux", target_os = "android")))]
++        #[cfg(not(any(
++            all(target_os = "linux", not(target_env = "musl")),
++            target_os = "android"
++        )))]
+         use libc::pwrite as pwrite64;
+-        #[cfg(any(target_os = "linux", target_os = "android"))]
++        #[cfg(any(all(target_os = "linux", not(target_env = "musl")), target_os = "android"))]
+         use libc::pwrite64;
+ 
+         unsafe {
+diff --git a/library/std/src/sys/unix/fs.rs b/library/std/src/sys/unix/fs.rs
+index aea0c26ee8b..e7be4729ca6 100644
+--- a/library/std/src/sys/unix/fs.rs
++++ b/library/std/src/sys/unix/fs.rs
+@@ -45,19 +45,24 @@
+     all(target_os = "linux", target_env = "gnu")
+ ))]
+ use libc::c_char;
+-#[cfg(any(target_os = "linux", target_os = "emscripten", target_os = "android"))]
++#[cfg(any(
++    all(target_os = "linux", not(target_env = "musl")),
++    target_os = "emscripten",
++    target_os = "android"
++))]
+ use libc::dirfd;
+-#[cfg(any(target_os = "linux", target_os = "emscripten"))]
++#[cfg(any(not(target_env = "musl"), target_os = "emscripten"))]
+ use libc::fstatat64;
+ #[cfg(any(
+     target_os = "android",
+     target_os = "solaris",
+     target_os = "fuchsia",
+     target_os = "redox",
+-    target_os = "illumos"
++    target_os = "illumos",
++    target_env = "musl"
+ ))]
+ use libc::readdir as readdir64;
+-#[cfg(target_os = "linux")]
++#[cfg(all(target_os = "linux", not(target_env = "musl")))]
+ use libc::readdir64;
+ #[cfg(any(target_os = "emscripten", target_os = "l4re"))]
+ use libc::readdir64_r;
+@@ -77,7 +82,13 @@
+     dirent as dirent64, fstat as fstat64, fstatat as fstatat64, ftruncate64, lseek64,
+     lstat as lstat64, off64_t, open as open64, stat as stat64,
+ };
++#[cfg(target_env = "musl")]
++use libc::{
++    dirent as dirent64, fstat as fstat64, ftruncate as ftruncate64, lseek as lseek64,
++    lstat as lstat64, off_t as off64_t, open as open64, stat as stat64,
++};
+ #[cfg(not(any(
++    target_env = "musl",
+     target_os = "linux",
+     target_os = "emscripten",
+     target_os = "l4re",
+@@ -87,7 +98,7 @@
+     dirent as dirent64, fstat as fstat64, ftruncate as ftruncate64, lseek as lseek64,
+     lstat as lstat64, off_t as off64_t, open as open64, stat as stat64,
+ };
+-#[cfg(any(target_os = "linux", target_os = "emscripten", target_os = "l4re"))]
++#[cfg(any(not(target_env = "musl"), target_os = "emscripten", target_os = "l4re"))]
+ use libc::{dirent64, fstat64, ftruncate64, lseek64, lstat64, off64_t, open64, stat64};
+ 
+ pub use crate::sys_common::fs::try_exists;
+@@ -260,6 +271,7 @@ unsafe impl Sync for Dir {}
+ #[cfg(any(
+     target_os = "android",
+     target_os = "linux",
++    not(target_env = "musl"),
+     target_os = "solaris",
+     target_os = "illumos",
+     target_os = "fuchsia",
+@@ -292,6 +304,7 @@ struct dirent64_min {
+ }
+ 
+ #[cfg(not(any(
++    target_env = "musl",
+     target_os = "android",
+     target_os = "linux",
+     target_os = "solaris",
+@@ -745,7 +758,7 @@ pub fn file_name(&self) -> OsString {
+     }
+ 
+     #[cfg(all(
+-        any(target_os = "linux", target_os = "emscripten", target_os = "android"),
++        any(not(target_env = "musl"), target_os = "emscripten", target_os = "android"),
+         not(miri)
+     ))]
+     pub fn metadata(&self) -> io::Result<FileAttr> {
+@@ -769,7 +782,7 @@ pub fn metadata(&self) -> io::Result<FileAttr> {
+     }
+ 
+     #[cfg(any(
+-        not(any(target_os = "linux", target_os = "emscripten", target_os = "android")),
++        not(any(not(target_env = "musl"), target_os = "emscripten", target_os = "android")),
+         miri
+     ))]
+     pub fn metadata(&self) -> io::Result<FileAttr> {
+-- 
+2.39.0
+
diff --git a/recipes-devtools/rust/files/crossbeam_atomic.patch b/recipes-devtools/rust/files/crossbeam_atomic.patch
new file mode 100644
index 0000000..0a29103
--- /dev/null
+++ b/recipes-devtools/rust/files/crossbeam_atomic.patch
@@ -0,0 +1,50 @@ 
+crossbeam-utils is taking the target triplet and comparing it against a
+known list of platforms that have issues either with any atomics or with
+64 bit atomics. Since OE encodes TARGET_VENDOR into the rust triplet (to
+differentiate host vs. target) this means that platforms that should match,
+don't.
+
+We could make a list of platforms and pass in configuration values but
+having one list in rust and another in our recipes is likely to cause
+problems in the future. We do already have this issue in the librsvg recipe.
+Instead, switch out the value of TARGET_VENDOR for "-unknown" which
+them makes the list in no_atomics.rs work correctly.
+
+Someone with more rust knowledge could split up the triplets in no_atmoics.rs
+and compare against the architecture/processor, or replace -unknown with a glob
+to create a patch that upstream might accept.
+
+Upstream-Status: Submitted [https://github.com/crossbeam-rs/crossbeam/pull/922]
+Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
+
+Index: rustc-1.66.0-src/vendor/crossbeam-utils-0.8.12/build.rs
+===================================================================
+--- rustc-1.66.0-src.orig/vendor/crossbeam-utils-0.8.12/build.rs
++++ rustc-1.66.0-src/vendor/crossbeam-utils-0.8.12/build.rs
+@@ -29,7 +29,7 @@ use std::env;
+ include!("no_atomic.rs");
+ 
+ fn main() {
+-    let target = match env::var("TARGET") {
++    let mut target = match env::var("TARGET") {
+         Ok(target) => target,
+         Err(e) => {
+             println!(
+@@ -40,6 +40,8 @@ fn main() {
+             return;
+         }
+     };
++    let vendor = env::var("TARGET_VENDOR").unwrap();
++    target = target.replace(&vendor, "-unknown");
+ 
+     // Note that this is `no_`*, not `has_*`. This allows treating as the latest
+     // stable rustc is used when the build script doesn't run. This is useful
+Index: rustc-1.66.0-src/vendor/crossbeam-utils-0.8.12/.cargo-checksum.json
+===================================================================
+--- rustc-1.66.0-src.orig/vendor/crossbeam-utils-0.8.12/.cargo-checksum.json
++++ rustc-1.66.0-src/vendor/crossbeam-utils-0.8.12/.cargo-checksum.json
+@@ -1 +1 @@
+-{"files":{"CHANGELOG.md":"65d3e11edf9498bdbc930c8c3878b7d3a90c1a0b1698597dc4a396a547fa0948","Cargo.toml":"1e4259a5a47271e8ae040b91e17652b5a4e0e7e45c3f22de5008db276f3a50bf","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"5734ed989dfca1f625b40281ee9f4530f91b2411ec01cb748223e7eb87e201ab","README.md":"2a19af38a52dd965c2d66bb39f90a85b430b51ee9ccb29e9e1978ee7091e5087","benches/atomic_cell.rs":"c927eb3cd1e5ecc4b91adbc3bde98af15ffab4086190792ba64d5cde0e24df3d","build.rs":"4859f9c926c230023e861bf01c4b225b460035faf8cf6240108530efedbb747f","no_atomic.rs":"f58085b9d0666ccf62e0ae17fb5dae937c0a86fcc55dc0ae04ad8659e696a49c","src/atomic/atomic_cell.rs":"0fc99463e633144c5d59d39c35b5477da1f1b90f5448cadc37454b7f4b97707e","src/atomic/consume.rs":"7a7736fcd64f6473dfea7653559ffc5e1a2a234df43835f8aa8734862145ac15","src/atomic/mod.rs":"94193895fa03cece415e8d7be700b73a9a8a7015774ca821253438607f9b0736","src/atomic/seq_lock.rs":"27182e6b87a9db73c5f6831759f8625f9fcdec3c2828204c444aef04f427735a","src/atomic/seq_lock_wide.rs":"9888dd03116bb89ca36d4ab8d5a0b5032107a2983a7eb8024454263b09080088","src/backoff.rs":"8fd5e3dcccc05860680e49c8498de8096bee9140bcfee8723d97117106a020d0","src/cache_padded.rs":"8bb8925e2df44224ffa29f31a2f9c08d88d8bd3df6c1ce47003598225055fdb5","src/lib.rs":"6f1bcf157abe06ad8458a53e865bf8efab9fad4a9424790147cee8fefb3795d8","src/sync/mod.rs":"eca73c04f821859b8434d2b93db87d160dc6a3f65498ca201cd40d732ca4c134","src/sync/once_lock.rs":"c03dc9c05a817e087dccf8b682f7307501542805533551da3c2bab442bc40743","src/sync/parker.rs":"91f3a7d4ee8d9e06b6558d180e8a0df08ff5c6cef612b4ce4790f9f75cb34f84","src/sync/sharded_lock.rs":"6391b3b99b194b8e0888446c2dec340e4fb095753bcf0c1a80bc654f9c8be0e3","src/sync/wait_group.rs":"3e339aab014f50e214fea535c841755113ea058153378ed54e50a4acb403c937","src/thread.rs":"21cf9b3e965529e5c0a6ff8fc1ec846bfe0006c41deb238a149be8d07384e955","tests/atomic_cell.rs":"bf8bc869c922a1cbf929c3b741bae0cae98f2157f572b5a4eb2873d20a407c22","tests/cache_padded.rs":"1bfaff8354c8184e1ee1f902881ca9400b60effb273b0d3f752801a483d2b66d","tests/parker.rs":"6def4721287d9d70b1cfd63ebb34e1c83fbb3376edbad2bc8aac6ef69dd99d20","tests/sharded_lock.rs":"314adeb8a651a28935f7a49c9a261b8fa1fd82bf6a16c865a5aced6216d7e40b","tests/thread.rs":"9a7d7d3028c552fd834c68598b04a1cc252a816bc20ab62cec060d6cd09cab10","tests/wait_group.rs":"02661c2a820a5abe8b0c8fe15a6650aead707b57cdda0610d1b09a2680ed6969"},"package":"edbafec5fa1f196ca66527c1b12c2ec4745ca14b50f1ad8f9f6f720b55d11fac"}
+\ No newline at end of file
++{"files":{"CHANGELOG.md":"65d3e11edf9498bdbc930c8c3878b7d3a90c1a0b1698597dc4a396a547fa0948","Cargo.toml":"1e4259a5a47271e8ae040b91e17652b5a4e0e7e45c3f22de5008db276f3a50bf","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"5734ed989dfca1f625b40281ee9f4530f91b2411ec01cb748223e7eb87e201ab","README.md":"2a19af38a52dd965c2d66bb39f90a85b430b51ee9ccb29e9e1978ee7091e5087","benches/atomic_cell.rs":"c927eb3cd1e5ecc4b91adbc3bde98af15ffab4086190792ba64d5cde0e24df3d","build.rs":"108ba75398e3169c35b0e9754782391e4e4a9f9bf0ae2b216b55d836c4ac9ba8","no_atomic.rs":"f58085b9d0666ccf62e0ae17fb5dae937c0a86fcc55dc0ae04ad8659e696a49c","src/atomic/atomic_cell.rs":"0fc99463e633144c5d59d39c35b5477da1f1b90f5448cadc37454b7f4b97707e","src/atomic/consume.rs":"7a7736fcd64f6473dfea7653559ffc5e1a2a234df43835f8aa8734862145ac15","src/atomic/mod.rs":"94193895fa03cece415e8d7be700b73a9a8a7015774ca821253438607f9b0736","src/atomic/seq_lock.rs":"27182e6b87a9db73c5f6831759f8625f9fcdec3c2828204c444aef04f427735a","src/atomic/seq_lock_wide.rs":"9888dd03116bb89ca36d4ab8d5a0b5032107a2983a7eb8024454263b09080088","src/backoff.rs":"8fd5e3dcccc05860680e49c8498de8096bee9140bcfee8723d97117106a020d0","src/cache_padded.rs":"8bb8925e2df44224ffa29f31a2f9c08d88d8bd3df6c1ce47003598225055fdb5","src/lib.rs":"6f1bcf157abe06ad8458a53e865bf8efab9fad4a9424790147cee8fefb3795d8","src/sync/mod.rs":"eca73c04f821859b8434d2b93db87d160dc6a3f65498ca201cd40d732ca4c134","src/sync/once_lock.rs":"c03dc9c05a817e087dccf8b682f7307501542805533551da3c2bab442bc40743","src/sync/parker.rs":"91f3a7d4ee8d9e06b6558d180e8a0df08ff5c6cef612b4ce4790f9f75cb34f84","src/sync/sharded_lock.rs":"6391b3b99b194b8e0888446c2dec340e4fb095753bcf0c1a80bc654f9c8be0e3","src/sync/wait_group.rs":"3e339aab014f50e214fea535c841755113ea058153378ed54e50a4acb403c937","src/thread.rs":"21cf9b3e965529e5c0a6ff8fc1ec846bfe0006c41deb238a149be8d07384e955","tests/atomic_cell.rs":"bf8bc869c922a1cbf929c3b741bae0cae98f2157f572b5a4eb2873d20a407c22","tests/cache_padded.rs":"1bfaff8354c8184e1ee1f902881ca9400b60effb273b0d3f752801a483d2b66d","tests/parker.rs":"6def4721287d9d70b1cfd63ebb34e1c83fbb3376edbad2bc8aac6ef69dd99d20","tests/sharded_lock.rs":"314adeb8a651a28935f7a49c9a261b8fa1fd82bf6a16c865a5aced6216d7e40b","tests/thread.rs":"9a7d7d3028c552fd834c68598b04a1cc252a816bc20ab62cec060d6cd09cab10","tests/wait_group.rs":"02661c2a820a5abe8b0c8fe15a6650aead707b57cdda0610d1b09a2680ed6969"},"package":"edbafec5fa1f196ca66527c1b12c2ec4745ca14b50f1ad8f9f6f720b55d11fac"}
+\ No newline at end of file
diff --git a/recipes-devtools/rust/files/getrandom-open64.patch b/recipes-devtools/rust/files/getrandom-open64.patch
new file mode 100644
index 0000000..b35195e
--- /dev/null
+++ b/recipes-devtools/rust/files/getrandom-open64.patch
@@ -0,0 +1,46 @@ 
+Do not use open64 on linux with musl
+
+glibc is providing open64 and other lfs64 functions but musl aliases
+them to normal equivalents since off_t is always 64-bit on musl,
+therefore check for target env along when target OS is linux before
+using open64, this is more available. Latest Musl has made these
+namespace changes [1]
+
+There is no need for using LFS64 open explicitly as we are only using it
+for opening device files and not real files
+
+[1] https://git.musl-libc.org/cgit/musl/commit/?id=246f1c811448f37a44b41cd8df8d0ef9736d95f4
+
+Upstream-Status: Backport [https://github.com/rust-random/getrandom/commit/7f73e3ccc1f53bfc419e4ddcfd343766aa5837b6]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
+--- a/vendor/getrandom/.cargo-checksum.json
++++ b/vendor/getrandom/.cargo-checksum.json
+@@ -1 +1 @@
+-{"files":{"CHANGELOG.md":"cb054908f44d0e7f229dcc4580bcc4f2c3e2da198c84292710f730b33cc3d5f6","Cargo.toml":"708a5d9c89443b937aa50260e26a01f9ebfdd50a7ae312956795834e3187baf3","LICENSE-APACHE":"aaff376532ea30a0cd5330b9502ad4a4c8bf769c539c87ffe78819d188a18ebf","LICENSE-MIT":"209fbbe0ad52d9235e37badf9cadfe4dbdc87203179c0899e738b39ade42177b","README.md":"7ae74633326a22fd6298d7f209fb14884277bd98049795f444945acbb2b0dfbd","benches/mod.rs":"c01b05c6d690a4b8937d25252f1385a6bff378517318ce832ea520036aabd571","src/3ds.rs":"0f48fc15f89b518fb92e06aaa4838b62dc073598e8f288df56ad1e5a9251af1e","src/bsd_arandom.rs":"d90c419d4def20f83e7535cd3f5ec07035045011a50c3652951d196a120c5d3e","src/custom.rs":"ce4640776d36872dbbd5e194bf29f6bcda3ef4549ca04fe59f5aeab1dea1d821","src/dragonfly.rs":"47f933eac189f6ea48ecf021efd0747ebce1b43d1bece6bbf72a951bab705987","src/error.rs":"ff09a7e02d7aff3e45eca6bbef6c686cc46f3c2371a0897a856e4dec4b942e46","src/error_impls.rs":"9c34832ebb99cd5e31bc5c8ffc5beb5b3fa6f7ff0226aaa1cdf8e10e6d64b324","src/espidf.rs":"19f101486584fde6dad962f4d9792de168658047312106641a5caf6866a5bbcf","src/fuchsia.rs":"470d8509deb5b06fa6417f294c0a49e0e35a580249a5d8944c3be5aa746f64ea","src/ios.rs":"4bad4f5c096a50338b86aeac91a937c18bc55b9555e6f34806ad13732e64523d","src/js.rs":"370610a19045012c87c986279aad6b150cd728a44015dcc5779256e4a2e6629b","src/lib.rs":"8e5c2c8edcbdbf2cee46b86d96d951cc6d5c00f7c11cfc9c27de27e756b5c4cc","src/linux_android.rs":"ec24575aa4ae71b6991290dadfdea931b05397c3faababf24bd794f1a9624835","src/macos.rs":"6c09827ad5292cd022e063efa79523bfdb50ed08b9867ebaa007cd321b8d218e","src/openbsd.rs":"450a23ead462d4a840fee4aa0bfdab1e3d88c8f48e4bb608d457429ddeca69c0","src/rdrand.rs":"79d23183b1905d61bd9df9729dc798505a2ed750d3339e342ab144e1709827e4","src/solaris_illumos.rs":"d52fee9dd7d661f960c01894edd563c1ff8a512c111f7803092d9aa2ff98718e","src/solid.rs":"997035d54c9762d22a5a14f54e7fbed4dd266cdeacbdf6aab7d8aee05537e8ba","src/use_file.rs":"16e42eb0a56e375c330c1ca8eb58c444e82ef3ad35230b961fdba96a02a68804","src/util.rs":"da6964dc1523f1cb8d26365fa6a8ece46360587e6974931624b271f0c72cda8b","src/util_libc.rs":"2a63ac0e6dab16b85c4728b79a16e0640301e8b876f151b0a1db0b4394fa219f","src/vxworks.rs":"a5aa0e40f890e0f35626458bb656a3340b8af3111e4bacd2e12505a8d50a3505","src/wasi.rs":"dfdd0a870581948bd03abe64d49ca4295d9cfa26e09b97a526fd5e17148ad9ca","src/windows.rs":"d0b4f2afd1959660aa9abcd9477764bd7dc0b7d7048aee748804b37963c77c6f","tests/common/mod.rs":"b6beee8f535d2d094a65711fe0af91a6fc220aa09729ed7269fe33cafdc9177f","tests/custom.rs":"9f2c0193193f6bcf641116ca0b3653b33d2015e0e98ce107ee1d1f60c5eeae3a","tests/normal.rs":"9e1c4b1e468a09ed0225370dfb6608f8b8135e0fabb09bbc1a718105164aade6","tests/rdrand.rs":"4474ccebf9d33c89288862a7e367018405968dddc55c7c6f97e21b5fe2264601"},"package":"c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"}
+\ No newline at end of file
++{"files":{"CHANGELOG.md":"cb054908f44d0e7f229dcc4580bcc4f2c3e2da198c84292710f730b33cc3d5f6","Cargo.toml":"708a5d9c89443b937aa50260e26a01f9ebfdd50a7ae312956795834e3187baf3","LICENSE-APACHE":"aaff376532ea30a0cd5330b9502ad4a4c8bf769c539c87ffe78819d188a18ebf","LICENSE-MIT":"209fbbe0ad52d9235e37badf9cadfe4dbdc87203179c0899e738b39ade42177b","README.md":"7ae74633326a22fd6298d7f209fb14884277bd98049795f444945acbb2b0dfbd","benches/mod.rs":"c01b05c6d690a4b8937d25252f1385a6bff378517318ce832ea520036aabd571","src/3ds.rs":"0f48fc15f89b518fb92e06aaa4838b62dc073598e8f288df56ad1e5a9251af1e","src/bsd_arandom.rs":"d90c419d4def20f83e7535cd3f5ec07035045011a50c3652951d196a120c5d3e","src/custom.rs":"ce4640776d36872dbbd5e194bf29f6bcda3ef4549ca04fe59f5aeab1dea1d821","src/dragonfly.rs":"47f933eac189f6ea48ecf021efd0747ebce1b43d1bece6bbf72a951bab705987","src/error.rs":"ff09a7e02d7aff3e45eca6bbef6c686cc46f3c2371a0897a856e4dec4b942e46","src/error_impls.rs":"9c34832ebb99cd5e31bc5c8ffc5beb5b3fa6f7ff0226aaa1cdf8e10e6d64b324","src/espidf.rs":"19f101486584fde6dad962f4d9792de168658047312106641a5caf6866a5bbcf","src/fuchsia.rs":"470d8509deb5b06fa6417f294c0a49e0e35a580249a5d8944c3be5aa746f64ea","src/ios.rs":"4bad4f5c096a50338b86aeac91a937c18bc55b9555e6f34806ad13732e64523d","src/js.rs":"370610a19045012c87c986279aad6b150cd728a44015dcc5779256e4a2e6629b","src/lib.rs":"8e5c2c8edcbdbf2cee46b86d96d951cc6d5c00f7c11cfc9c27de27e756b5c4cc","src/linux_android.rs":"ec24575aa4ae71b6991290dadfdea931b05397c3faababf24bd794f1a9624835","src/macos.rs":"6c09827ad5292cd022e063efa79523bfdb50ed08b9867ebaa007cd321b8d218e","src/openbsd.rs":"450a23ead462d4a840fee4aa0bfdab1e3d88c8f48e4bb608d457429ddeca69c0","src/rdrand.rs":"79d23183b1905d61bd9df9729dc798505a2ed750d3339e342ab144e1709827e4","src/solaris_illumos.rs":"d52fee9dd7d661f960c01894edd563c1ff8a512c111f7803092d9aa2ff98718e","src/solid.rs":"997035d54c9762d22a5a14f54e7fbed4dd266cdeacbdf6aab7d8aee05537e8ba","src/use_file.rs":"16e42eb0a56e375c330c1ca8eb58c444e82ef3ad35230b961fdba96a02a68804","src/util.rs":"da6964dc1523f1cb8d26365fa6a8ece46360587e6974931624b271f0c72cda8b","src/util_libc.rs":"a47b20e73637fed248405650f56358f3339e511b217b7ba80e32011d8ee2ca22","src/vxworks.rs":"a5aa0e40f890e0f35626458bb656a3340b8af3111e4bacd2e12505a8d50a3505","src/wasi.rs":"dfdd0a870581948bd03abe64d49ca4295d9cfa26e09b97a526fd5e17148ad9ca","src/windows.rs":"d0b4f2afd1959660aa9abcd9477764bd7dc0b7d7048aee748804b37963c77c6f","tests/common/mod.rs":"b6beee8f535d2d094a65711fe0af91a6fc220aa09729ed7269fe33cafdc9177f","tests/custom.rs":"9f2c0193193f6bcf641116ca0b3653b33d2015e0e98ce107ee1d1f60c5eeae3a","tests/normal.rs":"9e1c4b1e468a09ed0225370dfb6608f8b8135e0fabb09bbc1a718105164aade6","tests/rdrand.rs":"4474ccebf9d33c89288862a7e367018405968dddc55c7c6f97e21b5fe2264601"},"package":"c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"}
+\ No newline at end of file
+--- a/vendor/getrandom/src/util_libc.rs
++++ b/vendor/getrandom/src/util_libc.rs
+@@ -135,19 +135,11 @@ impl Weak {
+     }
+ }
+ 
+-cfg_if! {
+-    if #[cfg(any(target_os = "linux", target_os = "emscripten"))] {
+-        use libc::open64 as open;
+-    } else {
+-        use libc::open;
+-    }
+-}
+-
+ // SAFETY: path must be null terminated, FD must be manually closed.
+ pub unsafe fn open_readonly(path: &str) -> Result<libc::c_int, Error> {
+     debug_assert_eq!(path.as_bytes().last(), Some(&0));
+     loop {
+-        let fd = open(path.as_ptr() as *const _, libc::O_RDONLY | libc::O_CLOEXEC);
++        let fd = libc::open(path.as_ptr() as *const _, libc::O_RDONLY | libc::O_CLOEXEC);
+         if fd >= 0 {
+             return Ok(fd);
+         }
diff --git a/recipes-devtools/rust/files/hardcodepaths.patch b/recipes-devtools/rust/files/hardcodepaths.patch
new file mode 100644
index 0000000..cb99e8b
--- /dev/null
+++ b/recipes-devtools/rust/files/hardcodepaths.patch
@@ -0,0 +1,58 @@ 
+When building for the target, some build paths end up embedded in the binaries. 
+These changes remove that. Further investigation is needed to work out the way
+to resolve these issues properly upstream.
+
+Upstream-Status: Inappropriate [patches need rework]
+Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
+
+Index: rustc-1.66.0-src/compiler/rustc_codegen_llvm/src/context.rs
+===================================================================
+--- rustc-1.66.0-src.orig/compiler/rustc_codegen_llvm/src/context.rs
++++ rustc-1.66.0-src/compiler/rustc_codegen_llvm/src/context.rs
+@@ -160,46 +160,6 @@ pub unsafe fn create_module<'ll>(
+         }
+     }
+ 
+-    // Ensure the data-layout values hardcoded remain the defaults.
+-    if sess.target.is_builtin {
+-        let tm = crate::back::write::create_informational_target_machine(tcx.sess);
+-        llvm::LLVMRustSetDataLayoutFromTargetMachine(llmod, tm);
+-        llvm::LLVMRustDisposeTargetMachine(tm);
+-
+-        let llvm_data_layout = llvm::LLVMGetDataLayoutStr(llmod);
+-        let llvm_data_layout = str::from_utf8(CStr::from_ptr(llvm_data_layout).to_bytes())
+-            .expect("got a non-UTF8 data-layout from LLVM");
+-
+-        // Unfortunately LLVM target specs change over time, and right now we
+-        // don't have proper support to work with any more than one
+-        // `data_layout` than the one that is in the rust-lang/rust repo. If
+-        // this compiler is configured against a custom LLVM, we may have a
+-        // differing data layout, even though we should update our own to use
+-        // that one.
+-        //
+-        // As an interim hack, if CFG_LLVM_ROOT is not an empty string then we
+-        // disable this check entirely as we may be configured with something
+-        // that has a different target layout.
+-        //
+-        // Unsure if this will actually cause breakage when rustc is configured
+-        // as such.
+-        //
+-        // FIXME(#34960)
+-        let cfg_llvm_root = option_env!("CFG_LLVM_ROOT").unwrap_or("");
+-        let custom_llvm_used = cfg_llvm_root.trim() != "";
+-
+-        if !custom_llvm_used && target_data_layout != llvm_data_layout {
+-            bug!(
+-                "data-layout for target `{rustc_target}`, `{rustc_layout}`, \
+-                  differs from LLVM target's `{llvm_target}` default layout, `{llvm_layout}`",
+-                rustc_target = sess.opts.target_triple,
+-                rustc_layout = target_data_layout,
+-                llvm_target = sess.target.llvm_target,
+-                llvm_layout = llvm_data_layout
+-            );
+-        }
+-    }
+-
+     let data_layout = SmallCStr::new(&target_data_layout);
+     llvm::LLVMSetDataLayout(llmod, data_layout.as_ptr());
+ 
diff --git a/recipes-devtools/rust/files/target-rust-ccld.c b/recipes-devtools/rust/files/target-rust-ccld.c
new file mode 100644
index 0000000..d3d491f
--- /dev/null
+++ b/recipes-devtools/rust/files/target-rust-ccld.c
@@ -0,0 +1,19 @@ 
+/*
+*
+* Copyright (C) 2022      Wind River Systems
+*
+* SPDX-License-Identifier: MIT
+*
+*/
+
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main (int argc, char *argv[])
+{
+    unsetenv("LD_LIBRARY_PATH");
+    execvp("target-rust-ccld-wrapper", argv);
+
+    return 0;
+}
diff --git a/recipes-devtools/rust/files/zlib-off64_t.patch b/recipes-devtools/rust/files/zlib-off64_t.patch
new file mode 100644
index 0000000..78c8a2a
--- /dev/null
+++ b/recipes-devtools/rust/files/zlib-off64_t.patch
@@ -0,0 +1,31 @@ 
+Do not undefine _FILE_OFFSET_BITS when
+_LARGEFILE64_SOURCE is defined. This ends up
+causing 64bit time_t to fail the build because
+it needs 64 bit off_t
+
+Upstream-Status: Submitted [https://github.com/madler/zlib/pull/764]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+--- a/vendor/libz-sys/src/zlib/gzguts.h
++++ b/vendor/libz-sys/src/zlib/gzguts.h
+@@ -3,15 +3,6 @@
+  * For conditions of distribution and use, see copyright notice in zlib.h
+  */
+ 
+-#ifdef _LARGEFILE64_SOURCE
+-#  ifndef _LARGEFILE_SOURCE
+-#    define _LARGEFILE_SOURCE 1
+-#  endif
+-#  ifdef _FILE_OFFSET_BITS
+-#    undef _FILE_OFFSET_BITS
+-#  endif
+-#endif
+-
+ #ifdef HAVE_HIDDEN
+ #  define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
+ #else
+--- a/vendor/libz-sys/.cargo-checksum.json
++++ b/vendor/libz-sys/.cargo-checksum.json
+@@ -1 +1 @@
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diff --git a/recipes-devtools/rust/libstd-rs_1.68.1.bb b/recipes-devtools/rust/libstd-rs_1.68.1.bb
new file mode 100644
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--- /dev/null
+++ b/recipes-devtools/rust/libstd-rs_1.68.1.bb
@@ -0,0 +1,47 @@ 
+SUMMARY = "Rust standard libaries"
+HOMEPAGE = "http://www.rust-lang.org"
+SECTION = "devel"
+LICENSE = "(MIT | Apache-2.0) & Unicode-TOU"
+LIC_FILES_CHKSUM = "file://../../COPYRIGHT;md5=c2cccf560306876da3913d79062a54b9"
+
+require rust-source.inc
+
+# Building with library/std omits proc_macro from the sysroot. Using
+# library/test causes that to be installed which then allows cargo to
+# build (https://github.com/meta-rust/meta-rust/issues/266)
+S = "${RUSTSRC}/library/test"
+
+RUSTLIB_DEP = ""
+inherit cargo
+
+DEPENDS:append:libc-musl = " libunwind"
+# rv32 does not have libunwind ported yet
+DEPENDS:remove:riscv32 = "libunwind"
+DEPENDS:remove:riscv64 = "libunwind"
+
+# Embed bitcode in order to allow compiling both with and without LTO
+RUSTFLAGS += "-Cembed-bitcode=yes"
+# Needed so cargo can find libbacktrace
+RUSTFLAGS += "-L ${STAGING_LIBDIR} -C link-arg=-Wl,-soname,libstd.so"
+
+CARGO_FEATURES ?= "panic-unwind backtrace"
+CARGO_BUILD_FLAGS += "--features '${CARGO_FEATURES}'"
+CARGO_VENDORING_DIRECTORY = "${RUSTSRC}/vendor"
+
+do_compile:prepend () {
+    export CARGO_TARGET_DIR="${B}"
+    # For Rust 1.13.0 and newer
+    export RUSTC_BOOTSTRAP="1"
+}
+
+do_install () {
+    mkdir -p ${D}${rustlibdir}
+
+    # With the incremental build support added in 1.24, the libstd deps directory also includes dependency
+    # files that get installed. Those are really only needed to incrementally rebuild the libstd library
+    # itself and don't need to be installed.
+    rm -f ${B}/${RUST_TARGET_SYS}/${BUILD_DIR}/deps/*.d
+    cp ${B}/${RUST_TARGET_SYS}/${BUILD_DIR}/deps/* ${D}${rustlibdir}
+}
+
+BBCLASSEXTEND = "nativesdk"
diff --git a/recipes-devtools/rust/rust-cross-canadian.inc b/recipes-devtools/rust/rust-cross-canadian.inc
new file mode 100644
index 0000000..17f9339
--- /dev/null
+++ b/recipes-devtools/rust/rust-cross-canadian.inc
@@ -0,0 +1,85 @@ 
+PN = "rust-cross-canadian-${TRANSLATED_TARGET_ARCH}"
+
+inherit rust-target-config
+inherit rust-common
+
+LICENSE = "MIT"
+
+MODIFYTOS = "0"
+
+DEPENDS += "virtual/${SDK_PREFIX}gcc-crosssdk virtual/nativesdk-libc virtual/nativesdk-${SDK_PREFIX}compilerlibs"
+
+SRC_URI += "file://target-rust-ccld.c"
+LIC_FILES_CHKSUM = "file://target-rust-ccld.c;md5=af4e0e29f81a34cffe05aa07c89e93e9;endline=7"
+S = "${WORKDIR}"
+
+# Need to use our SDK's sh here, see #14878
+create_sdk_wrapper () {
+        file="$1"
+        shift
+        cat <<- EOF > "${file}"
+		#!/bin/sh
+		\$$1 \$@
+		EOF
+
+        chmod +x "$file"
+}
+
+do_install () {
+    # Rust requires /usr/lib to contain the libs.
+    # The required structure is retained for simplicity.
+    SYS_LIBDIR=$(dirname ${D}${libdir})
+    SYS_BINDIR=$(dirname ${D}${bindir})
+    RUSTLIB_DIR=${SYS_LIBDIR}/${TARGET_SYS}/rustlib
+
+    install -d ${RUSTLIB_DIR}
+    install -m 0644 "${RUST_TARGETS_DIR}/${RUST_HOST_SYS}.json" "${RUSTLIB_DIR}"
+    install -m 0644 "${RUST_TARGETS_DIR}/${RUST_TARGET_SYS}.json" "${RUSTLIB_DIR}"
+
+    # Uses SDK's CC as linker so linked binaries works out of box.
+    # We have a problem as rust sets LD_LIBRARY_PATH and this will break running host
+    # binaries (even /bin/sh) in the SDK as they detect a newer glibc from the SDK
+    # in those paths and we hit symbol errors. We saw particular problems with symbol
+    # mismatch on ubuntu1804 during development. To avoid this we have an SDK built
+    # binary which unsets LD_LIBRARY_PATH, which can then call the wrapper script
+    # where the context is easier to do the env maniupations needed
+    install -d ${SYS_BINDIR}
+    outfile="${SYS_BINDIR}/target-rust-ccld"
+    ${CC} ${WORKDIR}/target-rust-ccld.c -o $outfile
+    chmod +x "$outfile"
+    create_sdk_wrapper "${SYS_BINDIR}/target-rust-ccld-wrapper" "CC"
+
+    ENV_SETUP_DIR=${D}${base_prefix}/environment-setup.d
+    mkdir "${ENV_SETUP_DIR}"
+    RUST_ENV_SETUP_SH="${ENV_SETUP_DIR}/rust.sh"
+
+    cat <<- EOF > "${RUST_ENV_SETUP_SH}"
+	export RUSTFLAGS="--sysroot=\$OECORE_TARGET_SYSROOT/usr -C link-arg=--sysroot=\$OECORE_TARGET_SYSROOT"
+	export RUST_TARGET_PATH="\$OECORE_NATIVE_SYSROOT/usr/lib/${TARGET_SYS}/rustlib"
+	EOF
+
+    chown -R root.root ${D}
+
+    CARGO_ENV_SETUP_SH="${ENV_SETUP_DIR}/cargo.sh"
+    cat <<- EOF > "${CARGO_ENV_SETUP_SH}"
+	export CARGO_HOME="\$OECORE_TARGET_SYSROOT/home/cargo"
+	mkdir -p "\$CARGO_HOME"
+        # Init the default target once, it might be otherwise user modified.
+	if [ ! -f "\$CARGO_HOME/config" ]; then
+		touch "\$CARGO_HOME/config"
+		echo "[build]" >> "\$CARGO_HOME/config"
+		echo 'target = "'${RUST_TARGET_SYS}'"' >> "\$CARGO_HOME/config"
+		echo '# TARGET_SYS' >> "\$CARGO_HOME/config"
+		echo '[target.'${RUST_TARGET_SYS}']' >> "\$CARGO_HOME/config"
+		echo 'linker = "target-rust-ccld"' >> "\$CARGO_HOME/config"
+    fi
+
+	# Keep the below off as long as HTTP/2 is disabled.
+	export CARGO_HTTP_MULTIPLEXING=false
+
+	export CARGO_HTTP_CAINFO="\$OECORE_NATIVE_SYSROOT/etc/ssl/certs/ca-certificates.crt"
+	EOF
+}
+
+FILES:${PN} += "${base_prefix}/environment-setup.d"
+
diff --git a/recipes-devtools/rust/rust-cross-canadian_1.68.1.bb b/recipes-devtools/rust/rust-cross-canadian_1.68.1.bb
new file mode 100644
index 0000000..5586523
--- /dev/null
+++ b/recipes-devtools/rust/rust-cross-canadian_1.68.1.bb
@@ -0,0 +1,2 @@ 
+inherit cross-canadian
+require rust-cross-canadian.inc
\ No newline at end of file
diff --git a/recipes-devtools/rust/rust-llvm/0001-AsmMatcherEmitter-sort-ClassInfo-lists-by-name-as-we.patch b/recipes-devtools/rust/rust-llvm/0001-AsmMatcherEmitter-sort-ClassInfo-lists-by-name-as-we.patch
new file mode 100644
index 0000000..48af6fc
--- /dev/null
+++ b/recipes-devtools/rust/rust-llvm/0001-AsmMatcherEmitter-sort-ClassInfo-lists-by-name-as-we.patch
@@ -0,0 +1,31 @@ 
+From 86940d87026432683fb6741cd8a34d3b9b18e40d Mon Sep 17 00:00:00 2001
+From: Alexander Kanavin <alex.kanavin@gmail.com>
+Date: Fri, 27 Nov 2020 10:11:08 +0000
+Subject: [PATCH] AsmMatcherEmitter: sort ClassInfo lists by name as well
+
+Otherwise, there are instances which are identical in
+every other field and therefore sort non-reproducibly
+(which breaks binary and source reproducibiliy).
+
+Upstream-Status: Submitted [https://reviews.llvm.org/D97477]
+Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
+---
+ llvm/utils/TableGen/AsmMatcherEmitter.cpp | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/llvm/utils/TableGen/AsmMatcherEmitter.cpp b/llvm/utils/TableGen/AsmMatcherEmitter.cpp
+index ccf0959389b..1f801e83b7d 100644
+--- a/llvm/utils/TableGen/AsmMatcherEmitter.cpp
++++ b/llvm/utils/TableGen/AsmMatcherEmitter.cpp
+@@ -359,7 +359,10 @@ public:
+     // name of a class shouldn't be significant. However, some of the backends
+     // accidentally rely on this behaviour, so it will have to stay like this
+     // until they are fixed.
+-    return ValueName < RHS.ValueName;
++    if (ValueName != RHS.ValueName)
++        return ValueName < RHS.ValueName;
++    // All else being equal, we should sort by name, for source and binary reproducibility
++    return Name < RHS.Name;
+   }
+ };
+ 
diff --git a/recipes-devtools/rust/rust-llvm/0002-llvm-allow-env-override-of-exe-path.patch b/recipes-devtools/rust/rust-llvm/0002-llvm-allow-env-override-of-exe-path.patch
new file mode 100644
index 0000000..9be2667
--- /dev/null
+++ b/recipes-devtools/rust/rust-llvm/0002-llvm-allow-env-override-of-exe-path.patch
@@ -0,0 +1,33 @@ 
+From 7111770e8290082530d920e120995bf81431b0aa Mon Sep 17 00:00:00 2001
+From: Martin Kelly <mkelly@xevo.com>
+Date: Fri, 19 May 2017 00:22:57 -0700
+Subject: [PATCH 12/18] llvm: allow env override of exe path
+
+When using a native llvm-config from inside a sysroot, we need llvm-config to
+return the libraries, include directories, etc. from inside the sysroot rather
+than from the native sysroot. Thus provide an env override for calling
+llvm-config from a target sysroot.
+
+Upstream-Status: Inappropriate [oe-core specific]
+Signed-off-by: Martin Kelly <mkelly@xevo.com>
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ llvm/tools/llvm-config/llvm-config.cpp | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+--- a/llvm/tools/llvm-config/llvm-config.cpp
++++ b/llvm/tools/llvm-config/llvm-config.cpp
+@@ -226,6 +226,13 @@ Typical components:\n\
+ 
+ /// Compute the path to the main executable.
+ std::string GetExecutablePath(const char *Argv0) {
++  // Hack for Yocto: we need to override the root path when we are using
++  // llvm-config from within a target sysroot.
++  const char *Sysroot = std::getenv("YOCTO_ALTERNATE_EXE_PATH");
++  if (Sysroot != nullptr) {
++    return Sysroot;
++  }
++
+   // This just needs to be some symbol in the binary; C++ doesn't
+   // allow taking the address of ::main however.
+   void *P = (void *)(intptr_t)GetExecutablePath;
diff --git a/recipes-devtools/rust/rust-llvm/0003-llvm-fix-include-benchmarks.patch b/recipes-devtools/rust/rust-llvm/0003-llvm-fix-include-benchmarks.patch
new file mode 100644
index 0000000..ff31c0b
--- /dev/null
+++ b/recipes-devtools/rust/rust-llvm/0003-llvm-fix-include-benchmarks.patch
@@ -0,0 +1,25 @@ 
+Subject: LLVM_INCLUDE_BENCHMARKS with llvm 14.0.1 failing to build
+
+https://github.com/llvm/llvm-project/issues/54941
+
+The LLVM_INCLUDE_BENCHMARKS is turned OFF to fix the build error as
+per the discussions in the above link. We will work on the issue and
+replace the workaround with actual fix once committed in LLVM.
+
+Please refer the following link for more discussions on the issue:-
+https://github.com/rust-lang/rust/issues/96054
+
+Upstream-Status: Pending
+Signed-off-by: Pgowda <pgowda.cve@gmail.com>
+
+--- a/llvm/CMakeLists.txt	2022-04-22 00:45:30.543445478 -0700
++++ b/llvm/CMakeLists.txt	2022-04-22 00:45:42.095232974 -0700
+@@ -615,7 +615,7 @@ option(LLVM_INCLUDE_GO_TESTS "Include th
+ 
+ option(LLVM_BUILD_BENCHMARKS "Add LLVM benchmark targets to the list of default
+ targets. If OFF, benchmarks still could be built using Benchmarks target." OFF)
+-option(LLVM_INCLUDE_BENCHMARKS "Generate benchmark targets. If OFF, benchmarks can't be built." ON)
++option(LLVM_INCLUDE_BENCHMARKS "Generate benchmark targets. If OFF, benchmarks can't be built." OFF)
+ 
+ option (LLVM_BUILD_DOCS "Build the llvm documentation." OFF)
+ option (LLVM_INCLUDE_DOCS "Generate build targets for llvm documentation." ON)
diff --git a/recipes-devtools/rust/rust-llvm/0035-cmake-Enable-64bit-off_t-on-32bit-glibc-systems.patch b/recipes-devtools/rust/rust-llvm/0035-cmake-Enable-64bit-off_t-on-32bit-glibc-systems.patch
new file mode 100644
index 0000000..fe98e3e
--- /dev/null
+++ b/recipes-devtools/rust/rust-llvm/0035-cmake-Enable-64bit-off_t-on-32bit-glibc-systems.patch
@@ -0,0 +1,79 @@ 
+From cd2fa12d715929642513fc441287c402f4560096 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Sun, 25 Dec 2022 15:13:41 -0800
+Subject: [PATCH] build: Enable 64bit off_t on 32bit glibc systems
+
+Pass -D_FILE_OFFSET_BITS=64 to compiler flags on 32bit glibc based
+systems. This will make sure that 64bit versions of LFS functions are
+used e.g. lseek will behave same as lseek64. Also revert [1] partially
+because this added a cmake test to detect lseek64 but then forgot to
+pass the needed macro during actual compile, this test was incomplete too
+since libc implementations like musl has 64-bit off_t by default on 32-bit
+systems and does not bundle -D_LARGEFILE64_SOURCE [2] under -D_GNU_SOURCE
+like glibc, which means the compile now fails on musl because the cmake
+check passes but we do not have _LARGEFILE64_SOURCE defined. Moreover,
+Using the *64 function was transitional anyways so use
+-D_FILE_OFFSET_BITS=64 instead
+
+[1] https://github.com/llvm/llvm-project/commit/8db7e5e4eed4c4e697dc3164f2c9351d8c3e942b
+[2] https://git.musl-libc.org/cgit/musl/commit/?id=25e6fee27f4a293728dd15b659170e7b9c7db9bc
+
+Upstream-Status: Submitted [https://reviews.llvm.org/D139752]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ llvm/cmake/config-ix.cmake                                | 8 +++++---
+ llvm/include/llvm/Config/config.h.cmake                   | 3 ---
+ llvm/lib/Support/raw_ostream.cpp                          | 2 --
+ llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn | 2 --
+ utils/bazel/llvm-project-overlay/llvm/config.bzl          | 1 -
+ .../llvm/include/llvm/Config/config.h                     | 3 ---
+ utils/bazel/llvm_configs/config.h.cmake                   | 3 ---
+ 7 files changed, 5 insertions(+), 17 deletions(-)
+
+--- a/llvm/cmake/config-ix.cmake
++++ b/llvm/cmake/config-ix.cmake
+@@ -284,9 +284,6 @@ check_symbol_exists(futimes sys/time.h H
+ if( HAVE_SIGNAL_H AND NOT LLVM_USE_SANITIZER MATCHES ".*Address.*" AND NOT APPLE )
+   check_symbol_exists(sigaltstack signal.h HAVE_SIGALTSTACK)
+ endif()
+-set(CMAKE_REQUIRED_DEFINITIONS "-D_LARGEFILE64_SOURCE")
+-check_symbol_exists(lseek64 "sys/types.h;unistd.h" HAVE_LSEEK64)
+-set(CMAKE_REQUIRED_DEFINITIONS "")
+ check_symbol_exists(mallctl malloc_np.h HAVE_MALLCTL)
+ check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO)
+ check_symbol_exists(mallinfo2 malloc.h HAVE_MALLINFO2)
+@@ -350,6 +347,11 @@ check_symbol_exists(__GLIBC__ stdio.h LL
+ if( LLVM_USING_GLIBC )
+   add_definitions( -D_GNU_SOURCE )
+   list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_GNU_SOURCE")
++# enable 64bit off_t on 32bit systems using glibc
++  if (CMAKE_SIZEOF_VOID_P EQUAL 4)
++    add_compile_definitions(_FILE_OFFSET_BITS=64)
++    list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_FILE_OFFSET_BITS=64")
++  endif()
+ endif()
+ # This check requires _GNU_SOURCE
+ if (NOT PURE_WINDOWS)
+--- a/llvm/include/llvm/Config/config.h.cmake
++++ b/llvm/include/llvm/Config/config.h.cmake
+@@ -128,9 +128,6 @@
+ /* Define to 1 if you have the <link.h> header file. */
+ #cmakedefine HAVE_LINK_H ${HAVE_LINK_H}
+ 
+-/* Define to 1 if you have the `lseek64' function. */
+-#cmakedefine HAVE_LSEEK64 ${HAVE_LSEEK64}
+-
+ /* Define to 1 if you have the <mach/mach.h> header file. */
+ #cmakedefine HAVE_MACH_MACH_H ${HAVE_MACH_MACH_H}
+ 
+--- a/llvm/lib/Support/raw_ostream.cpp
++++ b/llvm/lib/Support/raw_ostream.cpp
+@@ -804,8 +804,6 @@ uint64_t raw_fd_ostream::seek(uint64_t o
+   flush();
+ #ifdef _WIN32
+   pos = ::_lseeki64(FD, off, SEEK_SET);
+-#elif defined(HAVE_LSEEK64)
+-  pos = ::lseek64(FD, off, SEEK_SET);
+ #else
+   pos = ::lseek(FD, off, SEEK_SET);
+ #endif
diff --git a/recipes-devtools/rust/rust-llvm_1.68.1.bb b/recipes-devtools/rust/rust-llvm_1.68.1.bb
new file mode 100644
index 0000000..6304070
--- /dev/null
+++ b/recipes-devtools/rust/rust-llvm_1.68.1.bb
@@ -0,0 +1,84 @@ 
+SUMMARY = "LLVM compiler framework (packaged with rust)"
+LICENSE ?= "Apache-2.0-with-LLVM-exception"
+HOMEPAGE = "http://www.rust-lang.org"
+
+# check src/llvm-project/llvm/CMakeLists.txt for llvm version in use
+#
+LLVM_RELEASE = "15.0.6"
+
+require rust-source.inc
+
+SRC_URI += "file://0002-llvm-allow-env-override-of-exe-path.patch;striplevel=2 \
+            file://0001-AsmMatcherEmitter-sort-ClassInfo-lists-by-name-as-we.patch;striplevel=2 \
+	    file://0003-llvm-fix-include-benchmarks.patch;striplevel=2 \
+	    file://0035-cmake-Enable-64bit-off_t-on-32bit-glibc-systems.patch;striplevel=2"
+
+S = "${RUSTSRC}/src/llvm-project/llvm"
+
+LIC_FILES_CHKSUM = "file://LICENSE.TXT;md5=8a15a0759ef07f2682d2ba4b893c9afe"
+
+inherit cmake python3native
+
+DEPENDS += "ninja-native rust-llvm-native"
+
+ARM_INSTRUCTION_SET:armv5 = "arm"
+ARM_INSTRUCTION_SET:armv4t = "arm"
+
+# rustc_llvm with debug info is not recognized as a valid crate that's
+# generated by rust-llvm-native.
+CFLAGS:remove = "-g"
+CXXFLAGS:remove = "-g"
+
+LLVM_DIR = "llvm${LLVM_RELEASE}"
+
+EXTRA_OECMAKE = " \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DLLVM_TARGETS_TO_BUILD='ARM;AArch64;Mips;PowerPC;RISCV;X86' \
+    -DLLVM_BUILD_DOCS=OFF \
+    -DLLVM_ENABLE_TERMINFO=OFF \
+    -DLLVM_ENABLE_ZLIB=OFF \
+    -DLLVM_ENABLE_ZSTD=OFF \
+    -DLLVM_ENABLE_LIBXML2=OFF \
+    -DLLVM_ENABLE_FFI=OFF \
+    -DLLVM_INSTALL_UTILS=ON \
+    -DLLVM_BUILD_EXAMPLES=OFF \
+    -DLLVM_INCLUDE_EXAMPLES=OFF \
+    -DLLVM_BUILD_TESTS=OFF \
+    -DLLVM_INCLUDE_TESTS=OFF \
+    -DLLVM_TARGET_ARCH=${TARGET_ARCH} \
+    -DCMAKE_INSTALL_PREFIX:PATH=${libdir}/llvm-rust \
+"
+EXTRA_OECMAKE:append:class-target = "\
+    -DLLVM_BUILD_TOOLS=OFF \
+    -DLLVM_TABLEGEN=${STAGING_LIBDIR_NATIVE}/llvm-rust/bin/llvm-tblgen \
+    -DLLVM_CONFIG_PATH=${STAGING_LIBDIR_NATIVE}/llvm-rust/bin/llvm-config \
+"
+
+EXTRA_OECMAKE:append:class-nativesdk = "\
+    -DLLVM_BUILD_TOOLS=OFF \
+    -DLLVM_TABLEGEN=${STAGING_LIBDIR_NATIVE}/llvm-rust/bin/llvm-tblgen \
+    -DLLVM_CONFIG_PATH=${STAGING_LIBDIR_NATIVE}/llvm-rust/bin/llvm-config \
+"
+
+# The debug symbols are huge here (>2GB) so suppress them since they
+# provide almost no value. If you really need them then override this
+INHIBIT_PACKAGE_DEBUG_SPLIT = "1"
+
+export YOCTO_ALTERNATE_EXE_PATH = "${STAGING_LIBDIR}/llvm-rust/bin/llvm-config"
+
+do_install:append () {
+    # we don't need any of this stuff to build Rust
+    rm -rf "${D}/usr/lib/cmake"
+}
+
+PACKAGES =+ "${PN}-bugpointpasses ${PN}-llvmhello ${PN}-liblto"
+
+# Add the extra locations to avoid the complaints about unpackaged files
+FILES:${PN}-bugpointpasses = "${libdir}/llvm-rust/lib/BugpointPasses.so"
+FILES:${PN}-llvmhello = "${libdir}/llvm-rust/lib/LLVMHello.so"
+FILES:${PN}-liblto = "${libdir}/llvm-rust/lib/libLTO.so.*"
+FILES:${PN}-staticdev =+ "${libdir}/llvm-rust/*/*.a"
+FILES:${PN} += "${libdir}/libLLVM*.so.* ${libdir}/llvm-rust/lib/*.so.* ${libdir}/llvm-rust/bin"
+FILES:${PN}-dev += "${datadir}/llvm ${libdir}/llvm-rust/lib/*.so ${libdir}/llvm-rust/include ${libdir}/llvm-rust/share ${libdir}/llvm-rust/lib/cmake"
+
+BBCLASSEXTEND = "native nativesdk"
diff --git a/recipes-devtools/rust/rust-snapshot.inc b/recipes-devtools/rust/rust-snapshot.inc
new file mode 100644
index 0000000..cb49d8e
--- /dev/null
+++ b/recipes-devtools/rust/rust-snapshot.inc
@@ -0,0 +1,63 @@ 
+## This is information on the rust-snapshot (binary) used to build our current release.
+## snapshot info is taken from rust/src/stage0.json
+## Rust is self-hosting and bootstraps itself with a pre-built previous version of itself.
+## The exact (previous) version that has been used is specified in the source tarball.
+## The version is replicated here.
+
+SNAPSHOT_VERSION = "1.67.1"
+
+SRC_URI[cargo-snapshot-aarch64.sha256sum] = "b04e33d9beb3cd97501399c17ca297f0adc12a7c0ea16351b8821fc9228de477"
+SRC_URI[rust-std-snapshot-aarch64.sha256sum] = "35027409400faaaa38ea2855b92dea6b553b2e656dff735da730f67ac02e57e6"
+SRC_URI[rustc-snapshot-aarch64.sha256sum] = "053ccc4ab81ea9c16906205c2b653a93b5b44fe4f67f9e45153a2687b7efb65a"
+
+SRC_URI[cargo-snapshot-i686.sha256sum] = "36db46e19e8573ea113c38d88f66def5fad848721b3c6dd69361f197b7a02f80"
+SRC_URI[rust-std-snapshot-i686.sha256sum] = "aab2d7aa76793e78c9c8810e93ed8978f6422843b1277e9c60337b0f943a4409"
+SRC_URI[rustc-snapshot-i686.sha256sum] = "0c77fde6daa80825f8cb81a5525c99db238a3ab4f0b226470964062e74603dd6"
+
+SRC_URI[cargo-snapshot-mips.sha256sum] = "06778d8aedd8e7850f0175483efa015cc2eeb69e6027e3d94352d89d2a510fc5"
+SRC_URI[rust-std-snapshot-mips.sha256sum] = "048b3da190212b742f7a052618b57683dc96ee2b6c25fc7f5ae751143cb79bad"
+SRC_URI[rustc-snapshot-mips.sha256sum] = "d3b7501acdfda6e4e9d8ee64d9de716579791d567c66f1273e601a55c2e23ca8"
+
+SRC_URI[cargo-snapshot-mipsel.sha256sum] = "7bf800ddd0ee6b69bb66fb7cdf12ae045db025fdb866e00c62b63a1eb99f7d64"
+SRC_URI[rust-std-snapshot-mipsel.sha256sum] = "94410897626546dde806a114299c3c32abb6b4b294af5daea5c4d136751fe063"
+SRC_URI[rustc-snapshot-mipsel.sha256sum] = "eb34b5d901807e1e47fb6ac686571f21b2a80ad831583485872c9e9c59291776"
+
+SRC_URI[cargo-snapshot-powerpc.sha256sum] = "b134c63817805f59821024d377196f2821ae53f88d0a4a2ebdbd8152433984b0"
+SRC_URI[rust-std-snapshot-powerpc.sha256sum] = "26efe78c09ed36da34964c0d023cf9aa404766ab790a94d9becd373b8879cb5a"
+SRC_URI[rustc-snapshot-powerpc.sha256sum] = "8f6212756d152f6876a6456f4d3f93ef8b4b7e5c93b96fe515cb8183c0612d7b"
+
+SRC_URI[cargo-snapshot-powerpc64.sha256sum] = "2cd84deb15ed16fc4a1d8a9de45577ba4d9f245de4f7efb3dc6611eec437eef3"
+SRC_URI[rust-std-snapshot-powerpc64.sha256sum] = "135f5e6ab6d8f077a14521d387d3f31831abdb840ca4e6a15b6f0d0d5b7dbc81"
+SRC_URI[rustc-snapshot-powerpc64.sha256sum] = "bdb08b549df5d7a421637efb0be00211b5ca9cf1e4214d66eb762b92e0f9b3fe"
+
+SRC_URI[cargo-snapshot-powerpc64le.sha256sum] = "fbad853a30437653f09001d0de797823dfa32d537163841bec1792c3267f5eab"
+SRC_URI[rust-std-snapshot-powerpc64le.sha256sum] = "364c47ed22e4268edf238d221c40007d7d8792a66ca325d3937596a9c911ea48"
+SRC_URI[rustc-snapshot-powerpc64le.sha256sum] = "4a2368996acd1741200d720674101323fa951dfa580b64c8b2e9fdc09bb22534"
+
+SRC_URI[cargo-snapshot-riscv64gc.sha256sum] = "3381af9ba39068b9c5e62536125a3abb582aef15932f63cd4f90df0cccb05ac7"
+SRC_URI[rust-std-snapshot-riscv64gc.sha256sum] = "63a7e6a6c889a3d01bb3c66a3def3e41963511ea52e13906669da5b29b2fd9da"
+SRC_URI[rustc-snapshot-riscv64gc.sha256sum] = "916d204d727f485abbadeef914ee881cf61fa3c167741a9ed29c9f4042c99e25"
+
+SRC_URI[cargo-snapshot-s390x.sha256sum] = "78d7c2714015ecb7283b417cb265d4d604379d0720aab5f611ca1c113987c283"
+SRC_URI[rust-std-snapshot-s390x.sha256sum] = "04573298d9e815c1e8c47a2f9548ea55d4a2afc538eceaa6a704d44a5e1f7e3e"
+SRC_URI[rustc-snapshot-s390x.sha256sum] = "e786d34e10069dc00774fe53bca092e537e96db6c9d5258a8b0221e4fa5a2caf"
+
+SRC_URI[cargo-snapshot-x86_64.sha256sum] = "e744dad75de8419e7fea530c29bd56cf931b4d4de62eb4bd442bfac7b54e61ed"
+SRC_URI[rust-std-snapshot-x86_64.sha256sum] = "f4dc8468dfc1dbd86f865b10f06e0e4b4e76f5a3a1cc27317a520ab1660844e9"
+SRC_URI[rustc-snapshot-x86_64.sha256sum] = "e27ec0c6d1a2b2b38e5258904c3741ddb246bff5715aa95e595f818aa77f7bee"
+
+SRC_URI[rust-std-snapshot-i586.sha256sum] = "22cbbf0b22d9b0894cfbd6e1dd6b95b71c7ad02cee4e477d375dcf81af8d1337"
+
+SRC_URI[rust-std-snapshot-sparc64.sha256sum] = "addf0b0beb1966787e599f32849f18c28d5cb65515272b7d9608d4a1dddee2e7"
+
+SRC_URI += " \
+    ${RUST_DIST_SERVER}/dist/${RUST_STD_SNAPSHOT}.tar.xz;name=rust-std-snapshot-${RUST_BUILD_ARCH};subdir=rust-snapshot-components \
+    ${RUST_DIST_SERVER}/dist/${RUSTC_SNAPSHOT}.tar.xz;name=rustc-snapshot-${RUST_BUILD_ARCH};subdir=rust-snapshot-components \
+    ${RUST_DIST_SERVER}/dist/${CARGO_SNAPSHOT}.tar.xz;name=cargo-snapshot-${RUST_BUILD_ARCH};subdir=rust-snapshot-components \
+"
+
+RUST_DIST_SERVER = "https://static.rust-lang.org"
+
+RUST_STD_SNAPSHOT = "rust-std-${SNAPSHOT_VERSION}-${RUST_BUILD_ARCH}-unknown-linux-gnu"
+RUSTC_SNAPSHOT = "rustc-${SNAPSHOT_VERSION}-${RUST_BUILD_ARCH}-unknown-linux-gnu"
+CARGO_SNAPSHOT = "cargo-${SNAPSHOT_VERSION}-${RUST_BUILD_ARCH}-unknown-linux-gnu"
diff --git a/recipes-devtools/rust/rust-source.inc b/recipes-devtools/rust/rust-source.inc
new file mode 100644
index 0000000..c8f5a5a
--- /dev/null
+++ b/recipes-devtools/rust/rust-source.inc
@@ -0,0 +1,23 @@ 
+RUST_VERSION ?= "${@d.getVar('PV').split('-')[0]}"
+
+SRC_URI += "https://static.rust-lang.org/dist/rustc-${RUST_VERSION}-src.tar.xz;name=rust \
+            file://crossbeam_atomic.patch;patchdir=${RUSTSRC} \
+            file://hardcodepaths.patch;patchdir=${RUSTSRC} \
+            file://getrandom-open64.patch;patchdir=${RUSTSRC} \
+            file://0001-Do-not-use-LFS64-on-linux-with-musl.patch;patchdir=${RUSTSRC} \
+            file://zlib-off64_t.patch;patchdir=${RUSTSRC} \
+"
+SRC_URI[rust.sha256sum] = "5b8ea94085b65e75c1fa6310e2f90bd706fa80bfcb3544fe26f4037b911d9fb2"
+
+RUSTSRC = "${WORKDIR}/rustc-${RUST_VERSION}-src"
+
+# Used by crossbeam_atomic.patch
+export TARGET_VENDOR
+
+UPSTREAM_CHECK_URI = "https://forge.rust-lang.org/infra/other-installation-methods.html"
+UPSTREAM_CHECK_REGEX = "rustc-(?P<pver>\d+(\.\d+)+)-src"
+
+# see recipes-devtools/gcc/gcc/0018-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch
+# we need to link with ssp_nonshared on musl to avoid "undefined reference to `__stack_chk_fail_local'"
+# when building MACHINE=qemux86 for musl
+WRAPPER_TARGET_EXTRALD:libc-musl = "-lssp_nonshared"
diff --git a/recipes-devtools/rust/rust_1.68.1.bb b/recipes-devtools/rust/rust_1.68.1.bb
new file mode 100644
index 0000000..83f9bec
--- /dev/null
+++ b/recipes-devtools/rust/rust_1.68.1.bb
@@ -0,0 +1,352 @@ 
+SUMMARY = "Rust compiler and runtime libaries"
+HOMEPAGE = "http://www.rust-lang.org"
+SECTION = "devel"
+LICENSE = "(MIT | Apache-2.0) & Unicode-TOU"
+LIC_FILES_CHKSUM = "file://COPYRIGHT;md5=c2cccf560306876da3913d79062a54b9"
+
+inherit rust
+inherit cargo_common
+
+DEPENDS += "file-native python3-native"
+DEPENDS:append:class-native = " rust-llvm-native"
+DEPENDS:append:class-nativesdk = " nativesdk-rust-llvm"
+
+DEPENDS += "rust-llvm (=${PV})"
+
+RDEPENDS:${PN}:append:class-target = " gcc g++ binutils"
+
+# Otherwise we'll depend on what we provide
+INHIBIT_DEFAULT_RUST_DEPS:class-native = "1"
+# We don't need to depend on gcc-native because yocto assumes it exists
+PROVIDES:class-native = "virtual/${TARGET_PREFIX}rust"
+
+S = "${RUSTSRC}"
+
+# Use at your own risk, accepted values are stable, beta and nightly
+RUST_CHANNEL ?= "stable"
+PV .= "${@bb.utils.contains('RUST_CHANNEL', 'stable', '', '-${RUST_CHANNEL}', d)}"
+
+export FORCE_CRATE_HASH="${BB_TASKHASH}"
+
+RUST_ALTERNATE_EXE_PATH ?= "${STAGING_LIBDIR}/llvm-rust/bin/llvm-config"
+RUST_ALTERNATE_EXE_PATH_NATIVE = "${STAGING_LIBDIR_NATIVE}/llvm-rust/bin/llvm-config"
+
+# We don't want to use bitbakes vendoring because the rust sources do their
+# own vendoring.
+CARGO_DISABLE_BITBAKE_VENDORING = "1"
+
+# We can't use RUST_BUILD_SYS here because that may be "musl" if
+# TCLIBC="musl". Snapshots are always -unknown-linux-gnu
+setup_cargo_environment () {
+    # The first step is to build bootstrap and some early stage tools,
+    # these are build for the same target as the snapshot, e.g.
+    # x86_64-unknown-linux-gnu.
+    # Later stages are build for the native target (i.e. target.x86_64-linux)
+    cargo_common_do_configure
+}
+
+inherit rust-target-config
+
+do_rust_setup_snapshot () {
+    for installer in "${WORKDIR}/rust-snapshot-components/"*"/install.sh"; do
+        "${installer}" --prefix="${WORKDIR}/rust-snapshot" --disable-ldconfig
+    done
+
+    # Some versions of rust (e.g. 1.18.0) tries to find cargo in stage0/bin/cargo
+    # and fail without it there.
+    mkdir -p ${RUSTSRC}/build/${BUILD_SYS}
+    ln -sf ${WORKDIR}/rust-snapshot/ ${RUSTSRC}/build/${BUILD_SYS}/stage0
+
+    # Need to use uninative's loader if enabled/present since the library paths
+    # are used internally by rust and result in symbol mismatches if we don't
+    if [ ! -z "${UNINATIVE_LOADER}" -a -e "${UNINATIVE_LOADER}" ]; then
+        for bin in cargo rustc rustdoc; do
+            patchelf-uninative ${WORKDIR}/rust-snapshot/bin/$bin --set-interpreter ${UNINATIVE_LOADER}
+        done
+    fi
+}
+addtask rust_setup_snapshot after do_unpack before do_configure
+do_rust_setup_snapshot[dirs] += "${WORKDIR}/rust-snapshot"
+do_rust_setup_snapshot[vardepsexclude] += "UNINATIVE_LOADER"
+
+python do_configure() {
+    import json
+    try:
+        import configparser
+    except ImportError:
+        import ConfigParser as configparser
+
+    # toml is rather similar to standard ini like format except it likes values
+    # that look more JSON like. So for our purposes simply escaping all values
+    # as JSON seem to work fine.
+
+    e = lambda s: json.dumps(s)
+
+    config = configparser.RawConfigParser()
+
+    # [target.ARCH-poky-linux]
+    host_section = "target.{}".format(d.getVar('RUST_HOST_SYS'))
+    config.add_section(host_section)
+
+    llvm_config_target = d.expand("${RUST_ALTERNATE_EXE_PATH}")
+    llvm_config_build = d.expand("${RUST_ALTERNATE_EXE_PATH_NATIVE}")
+    config.set(host_section, "llvm-config", e(llvm_config_target))
+
+    config.set(host_section, "cxx", e(d.expand("${RUST_TARGET_CXX}")))
+    config.set(host_section, "cc", e(d.expand("${RUST_TARGET_CC}")))
+    config.set(host_section, "linker", e(d.expand("${RUST_TARGET_CCLD}")))
+    if "musl" in host_section:
+        config.set(host_section, "musl-root", e(d.expand("${STAGING_DIR_HOST}${exec_prefix}")))
+
+    # If we don't do this rust-native will compile it's own llvm for BUILD.
+    # [target.${BUILD_ARCH}-unknown-linux-gnu]
+    build_section = "target.{}".format(d.getVar('RUST_BUILD_SYS'))
+    if build_section != host_section:
+        config.add_section(build_section)
+
+        config.set(build_section, "llvm-config", e(llvm_config_build))
+
+        config.set(build_section, "cxx", e(d.expand("${RUST_BUILD_CXX}")))
+        config.set(build_section, "cc", e(d.expand("${RUST_BUILD_CC}")))
+        config.set(build_section, "linker", e(d.expand("${RUST_BUILD_CCLD}")))
+
+    target_section = "target.{}".format(d.getVar('RUST_TARGET_SYS'))
+    if target_section != host_section and target_section != build_section:
+        config.add_section(target_section)
+
+        config.set(target_section, "llvm-config", e(llvm_config_target))
+
+        config.set(target_section, "cxx", e(d.expand("${RUST_TARGET_CXX}")))
+        config.set(target_section, "cc", e(d.expand("${RUST_TARGET_CC}")))
+        config.set(target_section, "linker", e(d.expand("${RUST_TARGET_CCLD}")))
+
+    # [llvm]
+    config.add_section("llvm")
+    config.set("llvm", "static-libstdcpp", e(False))
+    if "llvm" in (d.getVar('TC_CXX_RUNTIME') or ""):
+        config.set("llvm", "use-libcxx", e(True))
+
+    # [rust]
+    config.add_section("rust")
+    config.set("rust", "rpath", e(True))
+    config.set("rust", "channel", e(d.expand("${RUST_CHANNEL}")))
+
+    # Whether or not to optimize the compiler and standard library
+    config.set("rust", "optimize", e(True))
+
+    # Emits extraneous output from tests to ensure that failures of the test
+    # harness are debuggable just from logfiles
+    config.set("rust", "verbose-tests", e(True))
+
+    # [build]
+    config.add_section("build")
+    config.set("build", "submodules", e(False))
+    config.set("build", "docs", e(False))
+
+    rustc = d.expand("${WORKDIR}/rust-snapshot/bin/rustc")
+    config.set("build", "rustc", e(rustc))
+
+    # Support for the profiler runtime to generate e.g. coverage report,
+    # PGO etc.
+    config.set("build", "profiler", e(True))
+
+    cargo = d.expand("${WORKDIR}/rust-snapshot/bin/cargo")
+    config.set("build", "cargo", e(cargo))
+
+    config.set("build", "vendor", e(True))
+
+    if not "targets" in locals():
+        targets = [d.getVar("RUST_TARGET_SYS")]
+    config.set("build", "target", e(targets))
+
+    if not "hosts" in locals():
+        hosts = [d.getVar("RUST_HOST_SYS")]
+    config.set("build", "host", e(hosts))
+
+    # We can't use BUILD_SYS since that is something the rust snapshot knows
+    # nothing about when trying to build some stage0 tools (like fabricate)
+    config.set("build", "build", e(d.getVar("RUST_BUILD_SYS")))
+
+    # [install]
+    config.add_section("install")
+    # ./x.py install doesn't have any notion of "destdir"
+    # but we can prepend ${D} to all the directories instead
+    config.set("install", "prefix",  e(d.getVar("D") + d.getVar("prefix")))
+    config.set("install", "bindir",  e(d.getVar("D") + d.getVar("bindir")))
+    config.set("install", "libdir",  e(d.getVar("D") + d.getVar("libdir")))
+    config.set("install", "datadir", e(d.getVar("D") + d.getVar("datadir")))
+    config.set("install", "mandir",  e(d.getVar("D") + d.getVar("mandir")))
+
+    with open("config.toml", "w") as f:
+        f.write('changelog-seen = 2\n\n')
+        config.write(f)
+
+    # set up ${WORKDIR}/cargo_home
+    bb.build.exec_func("setup_cargo_environment", d)
+}
+
+rust_runx () {
+    echo "COMPILE ${PN}" "$@"
+
+    # CFLAGS, LDFLAGS, CXXFLAGS, CPPFLAGS are used by rust's build for a
+    # wide range of targets (not just TARGET). Yocto's settings for them will
+    # be inappropriate, avoid using.
+    unset CFLAGS
+    unset LDFLAGS
+    unset CXXFLAGS
+    unset CPPFLAGS
+
+    export RUSTFLAGS="${RUST_DEBUG_REMAP}"
+
+    # Copy the natively built llvm-config into the target so we can run it. Horrible,
+    # but works!
+    if [ ${RUST_ALTERNATE_EXE_PATH_NATIVE} != ${RUST_ALTERNATE_EXE_PATH} -a ! -f ${RUST_ALTERNATE_EXE_PATH} ]; then
+        mkdir -p `dirname ${RUST_ALTERNATE_EXE_PATH}`
+        cp ${RUST_ALTERNATE_EXE_PATH_NATIVE} ${RUST_ALTERNATE_EXE_PATH}
+        chrpath -d ${RUST_ALTERNATE_EXE_PATH}
+    fi
+
+    oe_cargo_fix_env
+
+    python3 src/bootstrap/bootstrap.py ${@oe.utils.parallel_make_argument(d, '-j %d')} "$@" --verbose
+}
+rust_runx[vardepsexclude] += "PARALLEL_MAKE"
+
+require rust-source.inc
+require rust-snapshot.inc
+
+INSANE_SKIP:${PN}:class-native = "already-stripped"
+FILES:${PN} += "${libdir}/rustlib"
+FILES:${PN} += "${libdir}/*.so"
+FILES:${PN}-dev = ""
+
+do_compile () {
+}
+
+ALLOW_EMPTY:${PN} = "1"
+
+PACKAGES =+ "${PN}-tools-clippy ${PN}-tools-rustfmt"
+FILES:${PN}-tools-clippy = "${bindir}/cargo-clippy ${bindir}/clippy-driver"
+FILES:${PN}-tools-rustfmt = "${bindir}/rustfmt"
+RDEPENDS:${PN}-tools-clippy = "${PN}"
+RDEPENDS:${PN}-tools-rustfmt = "${PN}"
+
+SUMMARY:${PN}-tools-clippy = "A collection of lints to catch common mistakes and improve your Rust code"
+SUMMARY:${PN}-tools-rustfmt = "A tool for formatting Rust code according to style guidelines"
+
+do_install () {
+    rust_do_install
+}
+
+rust_do_install() {
+    rust_runx install
+}
+
+rust_do_install:class-nativesdk() {
+    export PSEUDO_UNLOAD=1
+    rust_runx install
+    rust_runx install clippy
+    rust_runx install rustfmt
+    unset PSEUDO_UNLOAD
+
+    install -d ${D}${bindir}
+    for i in cargo-clippy clippy-driver rustfmt; do
+        cp build/${RUST_BUILD_SYS}/stage2-tools/${RUST_HOST_SYS}/release/$i ${D}${bindir}
+        chrpath -r "\$ORIGIN/../lib" ${D}${bindir}/$i
+    done
+
+    chown root:root ${D}/ -R
+    rm ${D}${libdir}/rustlib/uninstall.sh
+    rm ${D}${libdir}/rustlib/install.log
+    rm ${D}${libdir}/rustlib/manifest*
+}
+
+EXTRA_TOOLS ?= "cargo-clippy clippy-driver rustfmt"
+rust_do_install:class-target() {
+    export PSEUDO_UNLOAD=1
+    rust_runx install
+    rust_runx install clippy
+    rust_runx install rustfmt
+    unset PSEUDO_UNLOAD
+
+    install -d ${D}${bindir}
+    for i in ${EXTRA_TOOLS}; do
+        cp build/${RUST_BUILD_SYS}/stage2-tools/${RUST_HOST_SYS}/release/$i ${D}${bindir}
+        chrpath -r "\$ORIGIN/../lib" ${D}${bindir}/$i
+    done
+
+    install -d ${D}${libdir}/rustlib/${RUST_HOST_SYS}
+    install -m 0644 ${WORKDIR}/rust-targets/${RUST_HOST_SYS}.json ${D}${libdir}/rustlib/${RUST_HOST_SYS}/target.json
+
+    chown root:root ${D}/ -R
+    rm ${D}${libdir}/rustlib/uninstall.sh
+    rm ${D}${libdir}/rustlib/install.log
+    rm ${D}${libdir}/rustlib/manifest*
+}
+
+addtask do_update_snapshot after do_patch
+do_update_snapshot[nostamp] = "1"
+
+# Run with `bitbake -c update_snapshot rust` to update `rust-snapshot.inc`
+# with the checksums for the rust snapshot associated with this rustc-src
+# tarball.
+python do_update_snapshot() {
+    import json
+    import re
+    import sys
+
+    from collections import defaultdict
+
+    with open(os.path.join(d.getVar("S"), "src", "stage0.json")) as f:
+        j = json.load(f)
+
+    config_dist_server = j['config']['dist_server']
+    compiler_date = j['compiler']['date']
+    compiler_version = j['compiler']['version']
+
+    src_uri = defaultdict(list)
+    for k, v in j['checksums_sha256'].items():
+        m = re.search(f"dist/{compiler_date}/(?P<component>.*)-{compiler_version}-(?P<arch>.*)-unknown-linux-gnu\\.tar\\.xz", k)
+        if m:
+            component = m.group('component')
+            arch = m.group('arch')
+            src_uri[arch].append(f"SRC_URI[{component}-snapshot-{arch}.sha256sum] = \"{v}\"")
+
+    snapshot = """\
+## This is information on the rust-snapshot (binary) used to build our current release.
+## snapshot info is taken from rust/src/stage0.json
+## Rust is self-hosting and bootstraps itself with a pre-built previous version of itself.
+## The exact (previous) version that has been used is specified in the source tarball.
+## The version is replicated here.
+
+SNAPSHOT_VERSION = "%s"
+
+""" % compiler_version
+
+    for arch, components in src_uri.items():
+        snapshot += "\n".join(components) + "\n\n"
+
+    snapshot += """\
+SRC_URI += " \\
+    ${RUST_DIST_SERVER}/dist/${RUST_STD_SNAPSHOT}.tar.xz;name=rust-std-snapshot-${RUST_BUILD_ARCH};subdir=rust-snapshot-components \\
+    ${RUST_DIST_SERVER}/dist/${RUSTC_SNAPSHOT}.tar.xz;name=rustc-snapshot-${RUST_BUILD_ARCH};subdir=rust-snapshot-components \\
+    ${RUST_DIST_SERVER}/dist/${CARGO_SNAPSHOT}.tar.xz;name=cargo-snapshot-${RUST_BUILD_ARCH};subdir=rust-snapshot-components \\
+"
+
+RUST_DIST_SERVER = "%s"
+
+RUST_STD_SNAPSHOT = "rust-std-${SNAPSHOT_VERSION}-${RUST_BUILD_ARCH}-unknown-linux-gnu"
+RUSTC_SNAPSHOT = "rustc-${SNAPSHOT_VERSION}-${RUST_BUILD_ARCH}-unknown-linux-gnu"
+CARGO_SNAPSHOT = "cargo-${SNAPSHOT_VERSION}-${RUST_BUILD_ARCH}-unknown-linux-gnu"
+""" % config_dist_server
+
+    with open(os.path.join(d.getVar("THISDIR"), "rust-snapshot.inc"), "w") as f:
+        f.write(snapshot)
+}
+
+RUSTLIB_DEP:class-nativesdk = ""
+
+# musl builds include libunwind.a
+INSANE_SKIP:${PN} = "staticdev"
+
+BBCLASSEXTEND = "native nativesdk"
diff --git a/recipes-gnome/librsvg/librsvg/0001-Makefile.am-pass-rust-target-to-cargo-also-when-not-.patch b/recipes-gnome/librsvg/librsvg/0001-Makefile.am-pass-rust-target-to-cargo-also-when-not-.patch
new file mode 100644
index 0000000..d7487c2
--- /dev/null
+++ b/recipes-gnome/librsvg/librsvg/0001-Makefile.am-pass-rust-target-to-cargo-also-when-not-.patch
@@ -0,0 +1,47 @@ 
+From 95b2cd0169cb1b4694c2bce67169b1aa1d5e2be0 Mon Sep 17 00:00:00 2001
+From: Alexander Kanavin <alex@linutronix.de>
+Date: Tue, 21 Sep 2021 16:27:14 +0200
+Subject: [PATCH] Makefile.am: pass rust target to cargo also when not cross
+ compiling
+
+Otherwise oe-core's native build doesn't work either.
+
+Upstream-Status: Inappropriate [oe-core specific]
+Signed-off-by: Alexander Kanavin <alex@linutronix.de>
+---
+ Makefile.am  | 2 --
+ configure.ac | 4 +---
+ 2 files changed, 1 insertion(+), 5 deletions(-)
+
+diff --git a/Makefile.am b/Makefile.am
+index e93714e..effe5d3 100644
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -137,9 +137,7 @@ else
+ CARGO_RELEASE_ARGS=--release
+ endif
+ 
+-if CROSS_COMPILING
+ CARGO_TARGET_ARGS=--target=$(RUST_TARGET)
+-endif
+ 
+ CARGO_VERBOSE = $(cargo_verbose_$(V))
+ cargo_verbose_ = $(cargo_verbose_$(AM_DEFAULT_VERBOSITY))
+diff --git a/configure.ac b/configure.ac
+index 41590ca..84cd56b 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -255,9 +255,7 @@ AC_ARG_VAR(RUST_TARGET, [Set rust target (default=$host)])
+ : ${RUST_TARGET:=$host}
+ 
+ AM_CONDITIONAL([CROSS_COMPILING], [test "x$cross_compiling" = xyes])
+-AS_IF([test "x$cross_compiling" = "xyes"], [
+-	RUST_TARGET_SUBDIR="$RUST_TARGET/$RUST_TARGET_SUBDIR"
+-])
++RUST_TARGET_SUBDIR="$RUST_TARGET/$RUST_TARGET_SUBDIR"
+ AC_SUBST([RUST_TARGET_SUBDIR])
+ 
+ dnl ===========================================================================
+-- 
+2.20.1
+
diff --git a/recipes-gnome/librsvg/librsvg/0001-system-deps-src-lib.rs-do-not-probe-into-harcoded-li.patch b/recipes-gnome/librsvg/librsvg/0001-system-deps-src-lib.rs-do-not-probe-into-harcoded-li.patch
new file mode 100644
index 0000000..992ff8d
--- /dev/null
+++ b/recipes-gnome/librsvg/librsvg/0001-system-deps-src-lib.rs-do-not-probe-into-harcoded-li.patch
@@ -0,0 +1,51 @@ 
+From c0b0ef51b3c997a1c20ef9381ba2201ed477f609 Mon Sep 17 00:00:00 2001
+From: Alexander Kanavin <alex@linutronix.de>
+Date: Tue, 21 Sep 2021 16:54:23 +0200
+Subject: [PATCH] system-deps/src/lib.rs: do not probe into harcoded list of
+ targets
+
+Oe-core defines custom targets, and this probe fails.
+
+Upstream-Status: Inappropriate [oe-core specific]
+Signed-off-by: Alexander Kanavin <alex@linutronix.de>
+
+---
+ vendor/system-deps/.cargo-checksum.json |  2 +-
+ vendor/system-deps/src/lib.rs           | 16 +---------------
+ 2 files changed, 2 insertions(+), 16 deletions(-)
+
+diff --git a/vendor/system-deps/.cargo-checksum.json b/vendor/system-deps/.cargo-checksum.json
+index 862df8b..931748e 100644
+--- a/vendor/system-deps/.cargo-checksum.json
++++ b/vendor/system-deps/.cargo-checksum.json
+@@ -1 +1 @@
+-{"files":{"Cargo.toml":"927df7476ebf5f5983169cfd973f4c95b84da17caeb20d33cccf50e326af5316","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"23f18e03dc49df91622fe2a76176497404e46ced8a715d9d2b67a7446571cca3","README.md":"3fe7396637bf9233908f41c6001cfcb00a379225e06e36e508c8b3d7264a8aae","src/lib.rs":"c38fd96ca3233ebee3bb7e37ca8f8a7a2685cdd7fcccf0210eaa879aa91dc684","src/metadata.rs":"657bc1b77e949e4800f9dd808790ffa535820e1658d412121a1da548e0cdd02c","src/test.rs":"9d5f8c1fb7a821352d6ba75cb005ead3e36b4f359e61feb605ab8a36d4fd31f8","src/tests/lib/libteststatic.a":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855","src/tests/testanotherlib.pc":"bb4fd942324e6d49ce3becd827aa5c948d1924ca6681904a3695c19b1424eb3c","src/tests/testdata.pc":"43f481e989c03674fed5ef78c6420b3f8d36a2ce001928d86c418d1844acd5e7","src/tests/testlib-2.0.pc":"152eb0c70c14c3d948118408f3d1fd3bb7531b02aa792db85bd957f7db90b45b","src/tests/testlib-3.0.pc":"cd39c2ef88f6828c9291150cc4b624e769abef484674eaebaa4f67979501315f","src/tests/testlib.pc":"75c0d8a5345f65794f583c83e1cf0dbf3385af6e6abea1d61bb86eef707a52db","src/tests/teststaticlib.pc":"77df23f6c7c1d47aff18453b47c87e53ec8a96017546e0a55c8c4d1e13b70134","src/tests/toml-missing-file/no-cargo-toml-here":"6ab4da4b56f15315df6538610cfcd2ba3d0f9a7a8414678ff00ab5a78f7d41fa"},"package":"a1a45a1c4c9015217e12347f2a411b57ce2c4fc543913b14b6fe40483328e709"}
+\ No newline at end of file
++{"files":{"Cargo.toml":"927df7476ebf5f5983169cfd973f4c95b84da17caeb20d33cccf50e326af5316","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"23f18e03dc49df91622fe2a76176497404e46ced8a715d9d2b67a7446571cca3","README.md":"3fe7396637bf9233908f41c6001cfcb00a379225e06e36e508c8b3d7264a8aae","src/lib.rs":"534efc2f977d8c67d5be3a4c3e81093a6c00ab2de1102404166b1573ad96dbd2","src/metadata.rs":"657bc1b77e949e4800f9dd808790ffa535820e1658d412121a1da548e0cdd02c","src/test.rs":"9d5f8c1fb7a821352d6ba75cb005ead3e36b4f359e61feb605ab8a36d4fd31f8","src/tests/lib/libteststatic.a":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855","src/tests/testanotherlib.pc":"bb4fd942324e6d49ce3becd827aa5c948d1924ca6681904a3695c19b1424eb3c","src/tests/testdata.pc":"43f481e989c03674fed5ef78c6420b3f8d36a2ce001928d86c418d1844acd5e7","src/tests/testlib-2.0.pc":"152eb0c70c14c3d948118408f3d1fd3bb7531b02aa792db85bd957f7db90b45b","src/tests/testlib-3.0.pc":"cd39c2ef88f6828c9291150cc4b624e769abef484674eaebaa4f67979501315f","src/tests/testlib.pc":"75c0d8a5345f65794f583c83e1cf0dbf3385af6e6abea1d61bb86eef707a52db","src/tests/teststaticlib.pc":"77df23f6c7c1d47aff18453b47c87e53ec8a96017546e0a55c8c4d1e13b70134","src/tests/toml-missing-file/no-cargo-toml-here":"6ab4da4b56f15315df6538610cfcd2ba3d0f9a7a8414678ff00ab5a78f7d41fa"},"package":"a1a45a1c4c9015217e12347f2a411b57ce2c4fc543913b14b6fe40483328e709"}
+diff --git a/vendor/system-deps/src/lib.rs b/vendor/system-deps/src/lib.rs
+index 45ab1ce..f87d1ec 100644
+--- a/vendor/system-deps/src/lib.rs
++++ b/vendor/system-deps/src/lib.rs
+@@ -800,21 +800,7 @@ impl Config {
+     }
+ 
+     fn check_cfg(&self, cfg: &cfg_expr::Expression) -> Result<bool, Error> {
+-        use cfg_expr::{targets::get_builtin_target_by_triple, Predicate};
+-
+-        let target = self
+-            .env
+-            .get("TARGET")
+-            .expect("no TARGET env variable defined");
+-        let target = get_builtin_target_by_triple(&target)
+-            .unwrap_or_else(|| panic!("Invalid TARGET: {}", target));
+-
+-        let res = cfg.eval(|pred| match pred {
+-            Predicate::Target(tp) => Some(tp.matches(target)),
+-            _ => None,
+-        });
+-
+-        res.ok_or_else(|| Error::UnsupportedCfg(cfg.original().to_string()))
++        Ok(true)
+     }
+ }
+ 
diff --git a/recipes-gnome/librsvg/librsvg_2.54.5.bb b/recipes-gnome/librsvg/librsvg_2.54.5.bb
new file mode 100644
index 0000000..59278d1
--- /dev/null
+++ b/recipes-gnome/librsvg/librsvg_2.54.5.bb
@@ -0,0 +1,77 @@ 
+SUMMARY = "Library for rendering SVG files"
+DESCRIPTION = "A small library to render Scalable Vector Graphics (SVG), \
+associated with the GNOME Project. It renders SVG files to Cairo surfaces. \
+Cairo is the 2D, antialiased drawing library that GNOME uses to draw things to \
+the screen or to generate output for printing."
+HOMEPAGE = "https://gitlab.gnome.org/GNOME/librsvg"
+BUGTRACKER = "https://gitlab.gnome.org/GNOME/librsvg/issues"
+
+LICENSE = "LGPL-2.1-or-later"
+LIC_FILES_CHKSUM = "file://COPYING.LIB;md5=4fbd65380cdd255951079008b364516c \
+                   "
+
+SECTION = "x11/utils"
+DEPENDS = "cairo gdk-pixbuf glib-2.0 libxml2 pango python3-docutils-native"
+BBCLASSEXTEND = "native nativesdk"
+
+inherit cargo_common gnomebase pixbufcache upstream-version-is-even gobject-introspection rust vala gi-docgen
+
+SRC_URI += "file://0001-Makefile.am-pass-rust-target-to-cargo-also-when-not-.patch \
+           file://0001-system-deps-src-lib.rs-do-not-probe-into-harcoded-li.patch \
+           "
+
+SRC_URI[archive.sha256sum] = "4f03190f45324d1fa1f52a79dfcded1f64eaf49b3ae2f88eedab0c07617cae6e"
+
+# librsvg is still autotools-based, but is calling cargo from its automake-driven makefiles
+# so we cannot use cargo class directly, but still need bits and pieces from it 
+# for cargo to be happy
+BASEDEPENDS:append = " cargo-native"
+
+export RUST_BACKTRACE = "full"
+export RUSTFLAGS
+
+export RUST_TARGET = "${RUST_HOST_SYS}"
+
+RUSTFLAGS:append:mips = " --cfg crossbeam_no_atomic_64"
+RUSTFLAGS:append:mipsel = " --cfg crossbeam_no_atomic_64"
+RUSTFLAGS:append:powerpc = " --cfg crossbeam_no_atomic_64"
+RUSTFLAGS:append:riscv32 = " --cfg crossbeam_no_atomic_64"
+
+CARGO_DISABLE_BITBAKE_VENDORING = "1"
+do_configure[postfuncs] += "cargo_common_do_configure"
+
+inherit rust-target-config
+
+# rust-cross writes the target linker binary into target json definition without any flags.
+# This breaks here because the linker isn't going to work without at least knowing where
+# the sysroot is. So copy the json to workdir, and patch in the path to wrapper from rust class
+# which supplies the needed flags.
+do_compile:prepend() {
+    sed -ie 's,"linker": ".*","linker": "${RUST_TARGET_CC}",g' ${RUST_TARGETS_DIR}/${RUST_HOST_SYS}.json
+}
+
+# Issue only on windows
+CVE_CHECK_IGNORE += "CVE-2018-1000041"
+
+CACHED_CONFIGUREVARS = "ac_cv_path_GDK_PIXBUF_QUERYLOADERS=${STAGING_LIBDIR_NATIVE}/gdk-pixbuf-2.0/gdk-pixbuf-query-loaders"
+
+PACKAGECONFIG ??= "gdkpixbuf"
+PACKAGECONFIG:append:class-target = " ${@bb.utils.contains('GI_DATA_ENABLED', 'True', 'vala', '', d)}"
+# The gdk-pixbuf loader
+PACKAGECONFIG[gdkpixbuf] = "--enable-pixbuf-loader,--disable-pixbuf-loader,gdk-pixbuf-native"
+PACKAGECONFIG[vala] = "--enable-vala,--disable-vala"
+
+do_install:append() {
+	# Loadable modules don't need .a or .la on Linux
+	rm -f ${D}${libdir}/gdk-pixbuf-2.0/*/loaders/*.a ${D}${libdir}/gdk-pixbuf-2.0/*/loaders/*.la
+}
+
+PACKAGES =+ "librsvg-gtk rsvg"
+FILES:rsvg = "${bindir}/rsvg* \
+	      ${datadir}/pixmaps/svg-viewer.svg \
+	      ${datadir}/themes"
+FILES:librsvg-gtk = "${libdir}/gdk-pixbuf-2.0/*/*/*.so \
+                     ${datadir}/thumbnailers/librsvg.thumbnailer"
+RRECOMMENDS:librsvg-gtk = "gdk-pixbuf-bin"
+
+PIXBUF_PACKAGES = "librsvg-gtk"