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Code Issues Releases Wiki Activity

Update Rust

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This commit is contained in:
Ycarus (Yannick Chabanois) 2024-01-19 17:24:40 +01:00
parent ba4e77d064
commit bc8a5f8b5f
10 changed files with 305 additions and 130 deletions
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15
rust/Config.in Normal file
View file

@ -0,0 +1,15 @@
menu "Configuration options (for developers)"
config RUST_SCCACHE
bool "Use sccache"
help
Shared compilation cache; see https://github.com/mozilla/sccache
config RUST_SCCACHE_DIR
string "Set sccache directory" if RUST_SCCACHE
default ""
help
Store sccache in this directory.
If not set, uses './.sccache'
endmenu

58
rust/Makefile
View file

@ -3,26 +3,26 @@
# Copyright (C) 2023 Luca Barbato and Donald Hoskins
include $(TOPDIR)/rules.mk
include ./rust-values.mk
PKG_NAME:=rust
PKG_VERSION:=1.71.1
PKG_VERSION:=1.75.0
PKG_RELEASE:=1
PKG_SOURCE:=rustc-$(PKG_VERSION)-src.tar.gz
PKG_SOURCE_URL:=https://static.rust-lang.org/dist/
PKG_HASH:=6fa90d50d1d529a75f6cc349784de57d7ec0ba2419b09bde7d335c25bd4e472e
HOST_BUILD_DIR:=$(BUILD_DIR)/host/rust-$(RUSTC_TARGET_ARCH)/rustc-$(PKG_VERSION)-src
PKG_HASH:=5b739f45bc9d341e2d1c570d65d2375591e22c2d23ef5b8a37711a0386abc088
HOST_BUILD_DIR:=$(BUILD_DIR)/host/rustc-$(PKG_VERSION)-src
PKG_MAINTAINER:=Luca Barbato <lu_zero@luminem.org>
PKG_LICENSE:=Apache-2.0 MIT
PKG_LICENSE_FILES:=LICENSE-APACHE LICENSE-MIT
HOST_BUILD_DEPENDS:=python3/host
PKG_HOST_ONLY:=1
PKG_BUILD_FLAGS:=no-mips16
include $(INCLUDE_DIR)/host-build.mk
include $(INCLUDE_DIR)/package.mk
include ./rust-values.mk
define Package/rust
SECTION:=lang
@ -39,8 +39,12 @@ define Package/rust/description
guarantee memory safety by using a borrow checker to validate references.
endef
define Package/rust/config
source "$(SOURCE)/Config.in"
endef
# Rust-lang has an uninstall script
RUST_UNINSTALL:=$(CARGO_HOME)/lib/rustlib/uninstall.sh
RUST_UNINSTALL:=$(STAGING_DIR)/host/lib/rustlib/uninstall.sh
# Target Flags
TARGET_CONFIGURE_ARGS = \
@ -49,23 +53,24 @@ TARGET_CONFIGURE_ARGS = \
--set=target.$(RUSTC_TARGET_ARCH).cxx=$(TARGET_CXX_NOCACHE) \
--set=target.$(RUSTC_TARGET_ARCH).linker=$(TARGET_CC_NOCACHE) \
--set=target.$(RUSTC_TARGET_ARCH).ranlib=$(TARGET_RANLIB) \
--set=target.$(RUSTC_TARGET_ARCH).crt-static=false \
$(if $(CONFIG_USE_MUSL),--set=target.$(RUSTC_TARGET_ARCH).musl-root=$(TOOLCHAIN_DIR))
# CARGO_HOME is an environmental
HOST_CONFIGURE_OPTS += CARGO_HOME="$(CARGO_HOME)"
HOST_CONFIGURE_VARS += CARGO_HOME="$(CARGO_HOME)"
# Rust Configuration Arguments
HOST_CONFIGURE_ARGS = \
--build=$(RUSTC_HOST_ARCH) \
--target=$(RUSTC_TARGET_ARCH),$(RUSTC_HOST_ARCH) \
--host=$(RUSTC_HOST_ARCH) \
--prefix=$(CARGO_HOME) \
--bindir=$(CARGO_HOME)/bin \
--libdir=$(CARGO_HOME)/lib \
--sysconfdir=$(CARGO_HOME)/etc \
--datadir=$(CARGO_HOME)/share \
--mandir=$(CARGO_HOME)/man \
--dist-compression-formats=xz \
--prefix=$(STAGING_DIR)/host \
--bindir=$(STAGING_DIR)/host/bin \
--libdir=$(STAGING_DIR)/host/lib \
--sysconfdir=$(STAGING_DIR)/host/etc \
--datadir=$(STAGING_DIR)/host/share \
--mandir=$(STAGING_DIR)/host/man \
--dist-compression-formats=gz \
--enable-missing-tools \
--disable-sanitizers \
--release-channel=stable \
@ -80,23 +85,24 @@ define Host/Uninstall
endef
define Host/Compile
( \
cd $(HOST_BUILD_DIR) ; \
$(PYTHON) x.py --config ./config.toml dist build-manifest cargo llvm-tools \
rustc rust-std rust-src ; \
)
$(RUST_SCCACHE_VARS) \
CARGO_HOME=$(CARGO_HOME) \
TARGET_CFLAGS="$(TARGET_CFLAGS)" \
OPENWRT_RUSTC_BOOTSTRAP_CACHE=$(DL_DIR)/rustc \
$(PYTHON) $(HOST_BUILD_DIR)/x.py \
--build-dir $(HOST_BUILD_DIR)/build \
--config $(HOST_BUILD_DIR)/config.toml \
dist build-manifest cargo llvm-tools rustc rust-std rust-src
endef
define Host/Install
( \
cd $(HOST_BUILD_DIR)/build/dist ; \
find -iname "*.xz" -exec tar -xJf {} \; ; \
find ./* -type f -name install.sh -execdir sh {} --prefix=$(CARGO_HOME) --disable-ldconfig \; ; \
\
sed -e 's|@RUSTC_TARGET_ARCH@|$(RUSTC_TARGET_ARCH)|g' \
-e 's|@TARGET_CC_NOCACHE@|$(TARGET_CC_NOCACHE)|g' \
-e 's|@RUSTC_LDFLAGS@|$(RUSTC_LDFLAGS)|g' \
$(CURDIR)/files/cargo-config > $(CARGO_HOME)/config ; \
for targz in *.tar.gz; do \
$(STAGING_DIR_HOST)/bin/libdeflate-gzip -dc "$$$$targz" | tar -xf - ; \
done ; \
find . -mindepth 2 -maxdepth 2 -type f -name install.sh \
-execdir bash '{}' --prefix=$(STAGING_DIR)/host --disable-ldconfig \; ; \
)
endef

8
rust/files/cargo-config
View file

@ -1,8 +0,0 @@
[target.@RUSTC_TARGET_ARCH@]
linker = "@TARGET_CC_NOCACHE@"
rustflags = ["-Ctarget-feature=-crt-static", "-Clink-args=@RUSTC_LDFLAGS@"]
[profile.stripped]
inherits = "release"
opt-level = "s"
strip = true

14
rust/patches/0001-Update-xz2-and-use-it-static.patch
View file

@ -11,7 +11,7 @@ Subject: [PATCH] Update xz2 and use it static
--- a/src/bootstrap/Cargo.lock
+++ b/src/bootstrap/Cargo.lock
@@ -443,9 +443,9 @@ dependencies = [
@@ -391,9 +391,9 @@ dependencies = [
[[package]]
name = "lzma-sys"
@ -23,7 +23,7 @@ Subject: [PATCH] Update xz2 and use it static
dependencies = [
"cc",
"libc",
@@ -912,9 +912,9 @@ dependencies = [
@@ -834,9 +834,9 @@ dependencies = [
[[package]]
name = "xz2"
@ -37,12 +37,12 @@ Subject: [PATCH] Update xz2 and use it static
]
--- a/src/bootstrap/Cargo.toml
+++ b/src/bootstrap/Cargo.toml
@@ -50,7 +50,7 @@ toml = "0.5"
ignore = "0.4.10"
opener = "0.5"
once_cell = "1.7.2"
@@ -57,7 +57,7 @@ tar = "0.4"
termcolor = "1.2.0"
toml = "0.5"
walkdir = "2"
-xz2 = "0.1"
+xz2 = { version = "0.1", features = ["static"] }
walkdir = "2"
# Dependencies needed by the build-metrics feature
sysinfo = { version = "0.26.0", optional = true }

35
rust/patches/0002-Bumped-libc-version.patch
View file

@ -1,35 +0,0 @@
From 032857e7e403f654129c45dc7e6718a9ad49e377 Mon Sep 17 00:00:00 2001
From: Nikolay Arhipov <n@arhipov.net>
Date: Tue, 6 Jun 2023 16:09:05 +0300
Subject: [PATCH] Bumped libc version
---
Cargo.lock | 4 ++--
library/std/Cargo.toml | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1988,9 +1988,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0e
[[package]]
name = "libc"
-version = "0.2.143"
+version = "0.2.146"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc207893e85c5d6be840e969b496b53d94cec8be2d501b214f50daa97fa8024"
+checksum = "f92be4933c13fd498862a9e02a3055f8a8d9c039ce33db97306fd5a6caa7f29b"
dependencies = [
"rustc-std-workspace-core",
]
--- a/library/std/Cargo.toml
+++ b/library/std/Cargo.toml
@@ -15,7 +15,7 @@ cfg-if = { version = "1.0", features = [
panic_unwind = { path = "../panic_unwind", optional = true }
panic_abort = { path = "../panic_abort" }
core = { path = "../core" }
-libc = { version = "0.2.143", default-features = false, features = ['rustc-dep-of-std'] }
+libc = { version = "0.2.146", default-features = false, features = ['rustc-dep-of-std'] }
compiler_builtins = { version = "0.1.92" }
profiler_builtins = { path = "../profiler_builtins", optional = true }
unwind = { path = "../unwind" }

52
rust/patches/0002-rustc-bootstrap-cache.patch Normal file
View file

@ -0,0 +1,52 @@
--- a/src/bootstrap/bootstrap.py
+++ b/src/bootstrap/bootstrap.py
@@ -557,7 +557,7 @@ class RustBuild(object):
shutil.rmtree(bin_root)
key = self.stage0_compiler.date
- cache_dst = os.path.join(self.build_dir, "cache")
+ cache_dst = os.getenv('OPENWRT_RUSTC_BOOTSTRAP_CACHE', os.path.join(self.build_dir, "cache"))
rustc_cache = os.path.join(cache_dst, key)
if not os.path.exists(rustc_cache):
os.makedirs(rustc_cache)
--- a/src/bootstrap/src/core/download.rs
+++ b/src/bootstrap/src/core/download.rs
@@ -208,7 +208,13 @@ impl Config {
Some(other) => panic!("unsupported protocol {other} in {url}"),
None => panic!("no protocol in {url}"),
}
- t!(std::fs::rename(&tempfile, dest_path));
+ match std::fs::rename(&tempfile, dest_path) {
+ Ok(v) => v,
+ Err(_) => {
+ t!(std::fs::copy(&tempfile, dest_path));
+ t!(std::fs::remove_file(&tempfile));
+ }
+ }
}
fn download_http_with_retries(&self, tempfile: &Path, url: &str, help_on_error: &str) {
@@ -544,7 +550,10 @@ impl Config {
key: &str,
destination: &str,
) {
- let cache_dst = self.out.join("cache");
+ let cache_dst = match env::var_os("OPENWRT_RUSTC_BOOTSTRAP_CACHE") {
+ Some(v) => PathBuf::from(v),
+ None => self.out.join("cache"),
+ };
let cache_dir = cache_dst.join(key);
if !cache_dir.exists() {
t!(fs::create_dir_all(&cache_dir));
@@ -671,7 +680,10 @@ download-rustc = false
let llvm_assertions = self.llvm_assertions;
let cache_prefix = format!("llvm-{llvm_sha}-{llvm_assertions}");
- let cache_dst = self.out.join("cache");
+ let cache_dst = match env::var_os("OPENWRT_RUSTC_BOOTSTRAP_CACHE") {
+ Some(v) => PathBuf::from(v),
+ None => self.out.join("cache"),
+ };
let rustc_cache = cache_dst.join(cache_prefix);
if !rustc_cache.exists() {
t!(fs::create_dir_all(&rustc_cache));

100
rust/patches/0003-bump-libc-deps-to-0.2.146.patch Normal file
View file

@ -0,0 +1,100 @@
This patch bumps all libc dependencies and checksums to 0.2.147, which includes the fix for musl 1.2.4.
--- a/vendor/addr2line-0.19.0/Cargo.lock
+++ b/vendor/addr2line-0.19.0/Cargo.lock
@@ -235,9 +235,9 @@ checksum = "e2abad23fbc42b3700f2f279844d
[[package]]
name = "libc"
-version = "0.2.126"
+version = "0.2.147"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
+checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
[[package]]
name = "memchr"
--- a/vendor/backtrace-0.3.67/Cargo.lock
+++ b/vendor/backtrace-0.3.67/Cargo.lock
@@ -64,9 +64,9 @@ checksum = "dec7af912d60cdbd3677c1af9352
[[package]]
name = "libc"
-version = "0.2.138"
+version = "0.2.147"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db6d7e329c562c5dfab7a46a2afabc8b987ab9a4834c9d1ca04dc54c1546cef8"
+checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
[[package]]
name = "libloading"
--- a/vendor/crossbeam-channel/Cargo.lock
+++ b/vendor/crossbeam-channel/Cargo.lock
@@ -50,9 +50,9 @@ dependencies = [
[[package]]
name = "libc"
-version = "0.2.141"
+version = "0.2.147"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3304a64d199bb964be99741b7a14d26972741915b3649639149b2479bb46f4b5"
+checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
[[package]]
name = "num_cpus"
--- a/vendor/elasticlunr-rs/Cargo.lock
+++ b/vendor/elasticlunr-rs/Cargo.lock
@@ -555,9 +555,9 @@ checksum = "e2abad23fbc42b3700f2f279844d
[[package]]
name = "libc"
-version = "0.2.140"
+version = "0.2.147"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99227334921fae1a979cf0bfdfcc6b3e5ce376ef57e16fb6fb3ea2ed6095f80c"
+checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
[[package]]
name = "lindera"
--- a/vendor/handlebars/Cargo.lock
+++ b/vendor/handlebars/Cargo.lock
@@ -550,9 +550,9 @@ checksum = "e2abad23fbc42b3700f2f279844d
[[package]]
name = "libc"
-version = "0.2.140"
+version = "0.2.147"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99227334921fae1a979cf0bfdfcc6b3e5ce376ef57e16fb6fb3ea2ed6095f80c"
+checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
[[package]]
name = "lock_api"
--- a/vendor/libffi/Cargo.lock
+++ b/vendor/libffi/Cargo.lock
@@ -10,9 +10,9 @@ checksum = "50d30906286121d95be3d479533b
[[package]]
name = "libc"
-version = "0.2.140"
+version = "0.2.147"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99227334921fae1a979cf0bfdfcc6b3e5ce376ef57e16fb6fb3ea2ed6095f80c"
+checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
[[package]]
name = "libffi"
--- a/vendor/tracing-tree/Cargo.lock
+++ b/vendor/tracing-tree/Cargo.lock
@@ -296,9 +296,9 @@ checksum = "e2abad23fbc42b3700f2f279844d
[[package]]
name = "libc"
-version = "0.2.141"
+version = "0.2.147"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3304a64d199bb964be99741b7a14d26972741915b3649639149b2479bb46f4b5"
+checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
[[package]]
name = "linux-raw-sys"

44
rust/rust-host-build.mk
View file

@ -2,36 +2,42 @@
#
# Copyright (C) 2023 Luca Barbato and Donald Hoskins
# Variables (all optional) to be set in package Makefiles:
#
# RUST_HOST_FEATURES - list of options, default empty
#
# Space or comma separated list of features to activate
#
# e.g. RUST_HOST_FEATURES:=enable-foo,with-bar
ifeq ($(origin RUST_INCLUDE_DIR),undefined)
RUST_INCLUDE_DIR:=$(dir $(lastword $(MAKEFILE_LIST)))
endif
include $(RUST_INCLUDE_DIR)/rust-values.mk
CARGO_HOST_VARS= \
$(CARGO_HOST_CONFIG_VARS) \
CC=$(HOSTCC_NOCACHE) \
MAKEFLAGS="$(HOST_JOBS)"
# $(1) path to the package (optional)
# $(2) additional arguments to cargo (optional)
define Host/Compile/Cargo
( \
cd $(HOST_BUILD_DIR) ; \
export PATH="$(CARGO_HOME)/bin:$(PATH)" ; \
CARGO_HOME=$(CARGO_HOME) \
CC=$(HOSTCC_NOCACHE) \
cargo install -v \
--profile stripped \
$(if $(RUST_PKG_FEATURES),--features "$(RUST_PKG_FEATURES)") \
--root $(HOST_INSTALL_DIR) \
--path "$(if $(strip $(1)),$(strip $(1)),.)" $(2) ; \
)
+$(CARGO_HOST_VARS) \
cargo install -v \
--profile $(CARGO_HOST_PROFILE) \
$(if $(RUST_HOST_FEATURES),--features "$(RUST_HOST_FEATURES)") \
--root $(HOST_INSTALL_DIR) \
--path "$(HOST_BUILD_DIR)/$(if $(strip $(1)),$(strip $(1)))" \
$(if $(filter --jobserver%,$(HOST_JOBS)),,-j1) \
$(2)
endef
define Host/Uninstall/Cargo
( \
cd $(HOST_BUILD_DIR) ; \
export PATH="$(CARGO_HOME)/bin:$(PATH)" ; \
CARGO_HOME=$(CARGO_HOME) \
CC=$(HOSTCC_NOCACHE) \
cargo uninstall -v \
--root $(HOST_INSTALL_DIR) || true ; \
)
+$(CARGO_HOST_VARS) \
cargo uninstall -v \
--root $(HOST_INSTALL_DIR) \
|| true
endef
define RustBinHostBuild

30
rust/rust-package.mk
View file

@ -15,28 +15,22 @@ ifeq ($(origin RUST_INCLUDE_DIR),undefined)
endif
include $(RUST_INCLUDE_DIR)/rust-values.mk
# Support only a subset for now.
RUST_ARCH_DEPENDS:=@(aarch64||arm||i386||i686||mips||mipsel||mips64||mips64el||mipsel||powerpc64||riscv64||x86_64)
CARGO_PKG_VARS= \
$(CARGO_PKG_CONFIG_VARS) \
CC=$(HOSTCC_NOCACHE) \
MAKEFLAGS="$(PKG_JOBS)"
# $(1) path to the package (optional)
# $(2) additional arguments to cargo (optional)
define Build/Compile/Cargo
( \
cd $(PKG_BUILD_DIR) ; \
export PATH="$(CARGO_HOME)/bin:$(PATH)" ; \
CARGO_HOME=$(CARGO_HOME) \
TARGET_CFLAGS="$(TARGET_CFLAGS) $(RUST_CFLAGS)" \
TARGET_CC=$(TARGET_CC_NOCACHE) \
CC=$(HOSTCC_NOCACHE) \
$(CARGO_VARS) \
cargo install -v \
--profile stripped \
--target $(RUSTC_TARGET_ARCH) \
$(if $(strip $(RUST_PKG_FEATURES)),--features "$(strip $(RUST_PKG_FEATURES))") \
--root $(PKG_INSTALL_DIR) \
--path "$(if $(strip $(1)),$(strip $(1)),.)" \
$(2) ; \
)
+$(CARGO_PKG_VARS) \
cargo install -v \
--profile $(CARGO_PKG_PROFILE) \
$(if $(strip $(RUST_PKG_FEATURES)),--features "$(strip $(RUST_PKG_FEATURES))") \
--root $(PKG_INSTALL_DIR) \
--path "$(PKG_BUILD_DIR)/$(if $(strip $(1)),$(strip $(1)))" \
$(if $(filter --jobserver%,$(PKG_JOBS)),,-j1) \
$(2)
endef
define RustBinPackage

79
rust/rust-values.mk
View file

@ -2,25 +2,32 @@
#
# Copyright (C) 2023 Luca Barbato and Donald Hoskins
# Clear environment variables which should be handled internally,
# as users might configure their own env on the host
# CCache
unexport RUSTC_WRAPPER
# Rust Environmental Vars
CONFIG_HOST_SUFFIX:=$(word 4, $(subst -, ,$(GNU_HOST_NAME)))
RUSTC_HOST_ARCH:=$(HOST_ARCH)-unknown-linux-$(CONFIG_HOST_SUFFIX)
CARGO_HOME:=$(STAGING_DIR)/host/cargo
CARGO_VARS:=
RUSTC_HOST_SUFFIX:=$(word 4, $(subst -, ,$(GNU_HOST_NAME)))
RUSTC_HOST_ARCH:=$(HOST_ARCH)-unknown-linux-$(RUSTC_HOST_SUFFIX)
CARGO_HOME:=$(DL_DIR)/cargo
ifeq ($(CONFIG_USE_MUSL),y)
# Force linking of the SSP library for musl
ifdef CONFIG_PKG_CC_STACKPROTECTOR_REGULAR
ifeq ($(strip $(PKG_SSP)),1)
RUSTC_LDFLAGS += -lssp_nonshared
# Force linking of the SSP library for musl
ifdef CONFIG_PKG_CC_STACKPROTECTOR_REGULAR
ifeq ($(strip $(PKG_SSP)),1)
RUSTC_LDFLAGS+=-lssp_nonshared
endif
endif
ifdef CONFIG_PKG_CC_STACKPROTECTOR_STRONG
ifeq ($(strip $(PKG_SSP)),1)
RUSTC_LDFLAGS+=-lssp_nonshared
endif
endif
endif
ifdef CONFIG_PKG_CC_STACKPROTECTOR_STRONG
ifeq ($(strip $(PKG_SSP)),1)
TARGET_CFLAGS += -lssp_nonshared
endif
endif
endif
CARGO_RUSTFLAGS+=-Ctarget-feature=-crt-static $(RUSTC_LDFLAGS)
ifeq ($(HOST_OS),Darwin)
ifeq ($(HOST_ARCH),arm64)
@ -51,9 +58,47 @@ ifeq ($(ARCH),arm)
ifeq ($(CONFIG_HAS_FPU),y)
RUSTC_TARGET_ARCH:=$(subst musleabi,musleabihf,$(RUSTC_TARGET_ARCH))
RUSTC_TARGET_ARCH:=$(subst gnueabi,gnueabihf,$(RUSTC_TARGET_ARCH))
endif
endif
#ifeq ($(ARCH),aarch64)
# RUST_CFLAGS:=-mno-outline-atomics
#endif
ifeq ($(ARCH),aarch64)
RUSTC_CFLAGS:=-mno-outline-atomics
endif
# Support only a subset for now.
RUST_ARCH_DEPENDS:=@(aarch64||arm||i386||i686||mips||mipsel||mips64||mips64el||mipsel||powerpc64||riscv64||x86_64)
ifneq ($(CONFIG_RUST_SCCACHE),)
RUST_SCCACHE_DIR:=$(if $(call qstrip,$(CONFIG_RUST_SCCACHE_DIR)),$(call qstrip,$(CONFIG_RUST_SCCACHE_DIR)),$(TOPDIR)/.sccache)
RUST_SCCACHE_VARS:= \
CARGO_INCREMENTAL=0 \
RUSTC_WRAPPER=sccache \
SCCACHE_DIR=$(RUST_SCCACHE_DIR)
endif
CARGO_HOST_CONFIG_VARS= \
$(RUST_SCCACHE_VARS) \
CARGO_HOME=$(CARGO_HOME)
CARGO_HOST_PROFILE:=release
CARGO_PKG_CONFIG_VARS= \
$(RUST_SCCACHE_VARS) \
CARGO_BUILD_TARGET=$(RUSTC_TARGET_ARCH) \
CARGO_HOME=$(CARGO_HOME) \
CARGO_PROFILE_RELEASE_CODEGEN_UNITS=1 \
CARGO_PROFILE_RELEASE_DEBUG=false \
CARGO_PROFILE_RELEASE_DEBUG_ASSERTIONS=false \
CARGO_PROFILE_RELEASE_LTO=true \
CARGO_PROFILE_RELEASE_OPT_LEVEL=z \
CARGO_PROFILE_RELEASE_OVERFLOW_CHECKS=true \
CARGO_PROFILE_RELEASE_PANIC=unwind \
CARGO_PROFILE_RELEASE_RPATH=false \
CARGO_TARGET_$(subst -,_,$(call toupper,$(RUSTC_TARGET_ARCH)))_LINKER=$(TARGET_CC_NOCACHE) \
RUSTFLAGS="$(CARGO_RUSTFLAGS)" \
TARGET_CC=$(TARGET_CC_NOCACHE) \
TARGET_CFLAGS="$(TARGET_CFLAGS) $(RUSTC_CFLAGS)"
CARGO_PKG_PROFILE:=$(if $(CONFIG_DEBUG),dev,release)