rust-lang: 1.58.1

Rust is a multi-paradigm, general-purpose programming language designed for performance and safety, especially safe concurrency. Rust is syntactically similar to C++, but can guarantee memory safety by using a borrow checker to validate references. Signed-off-by: Donald Hoskins <grommish@gmail.com>
domo-iot · Dec 25, 2022 · d652016 · d652016
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diff --git a/lang/rust/Config.in b/lang/rust/Config.in
@@ -0,0 +1,118 @@
+# Rust Language Options
+menu "Compiler Options"
+	visible if PACKAGE_rust
+
+	config RUST_DEBUG
+		bool "Enables Debugging Environment (--enable-debug)"
+		default n
+
+	config RUST_DOCS
+		bool "Build standard library documentation (--enable-docs)"
+		default n
+
+	config RUST_COMPILER_DOCS
+		bool "Build compiler documentation (--enable-compiler-docs)"
+		default n
+
+	config RUST_OPTIMIZE_TESTS
+		bool "Build tests with optimizations (--enable-optimized-tests)"
+		default n
+
+	config RUST_PARALLEL
+		bool "Build with multi-threaded support (--enable-parallel-compiler)"
+		default n
+
+	config RUST_VERBOSE_TESTS
+		bool "Enable verbose output when running tests (--enable-verbose-tests)"
+		default n
+
+	config RUST_CCACHE
+		bool "Build with ccache enabled (--enable-ccache)"
+		default n
+
+	config RUST_LLVM_STATIC
+		bool "Statically link to libstdc++ to LLVM (--enable-llvm-static-stdccp)"
+		default n
+
+	config RUST_LLVM_SHARED
+		bool "Prefer shared linking to LLVM (--enable-llvm-link-shared)"
+		default n
+
+	config RUST_CODEGEN_TESTS
+		bool "Run the src/test/codegen tests (--enable-codegen-tests)"
+		default n
+
+	config RUST_OPTION_CHECKING
+		bool "Complain about unrecognized options in this configure script (--enable-option-checking)"
+		default y
+
+	config RUST_ENABLE_NINJA
+		bool "Build LLVM using the Ninja generator (--enable-ninja)"
+		default y
+
+	config RUST_LOCKED_DEPS
+		bool "Force Cargo.lock to be up to date (--enable-locked-deps)"
+		default n
+
+	config RUST_VENDOR
+		bool "Enable usage of vendored Rust crates (--enable-vendor)"
+		default n
+
+	config RUST_SANITIZERS
+		bool "Build the sanitizer runtimes (asan, lsan, msan, tsan) (--enable-sanitizers)"
+		default n
+
+	config RUST_DIST_SRC
+		bool "When building tarballs enables building a source tarball (--enable-dist-src)"
+		default n
+
+	config RUST_CARGO_NATIVE_STATIC
+		bool "Build static native libraries in Cargo (--enable-cargo-native-static)"
+		default n
+
+	config RUST_PROFILER
+		bool "Build the profiler runtime (--enable-profiler)"
+		default n
+
+	config RUST_FULL_TOOLS
+		bool "Build all tools (--enable-full-tools)"
+		default n
+
+	config RUST_MISSING_TOOLS
+		bool "Allow failures when building tools (--enable-missing-tools)"
+		default y
+
+	config RUST_USE_LIBCXX
+		bool "Build LLVM with libc++ (--enable-use-libcxx)"
+		default n
+
+	config RUST_CONTROL_FLOW_GUARD
+		bool "Enable Control Flow Guard (--enable-control-flow-guard)"
+		default n
+
+	config RUST_OPTIMIZE_LLVM
+		bool "Build optimized LLVM (--enable-optimize-llvm)"
+		default y
+
+	config RUST_LLVM_ASSERTIONS
+		bool "Build LLVM with assertions (--enable-llvm-assertions)"
+		default n
+
+	config RUST_DEBUG_ASSERTIONS
+		bool "Build with debugging assertions (--enable-debug-assertions)"
+		default n
+
+	config RUST_LLVM_RELEASE_DEBUGINFO
+		bool "Build LLVM with debugger metadata (--enable-llvm-release-debuginfo)"
+		default n
+
+	config RUST_MANAGE_SUBMODULES
+		bool "Let the build manage the git submodules (--enable-manage-submodules)"
+		default y
+
+	config RUST_FULL_BOOTSTRAP
+		bool "Full Bootstrap - Build three compilers instead of two (--enable-full-bootstrap)"
+		default n
+
+endmenu
+
diff --git a/lang/rust/Makefile b/lang/rust/Makefile
@@ -0,0 +1,184 @@
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+include $(TOPDIR)/rules.mk
+
+PKG_NAME := rust
+PKG_VERSION := 1.58.1
+PKG_RELEASE := 1
+
+PKG_LICENSE := Apache-2.0 MIT
+PKG_LICENSE_FILES := LICENSE-APACHE LICENSE-MIT
+
+PKG_SOURCE_PROTO := git
+PKG_SOURCE_URL := https://github.com/rust-lang/rust.git
+PKG_SOURCE_DATE := 2021-12-02
+PKG_SOURCE_VERSION := db9d1b20bba1968c1ec1fc49616d4742c1725b4b
+PKG_MIRROR_HASH := 7adf556f2be1de12fd4a500cc0fef501f2f9c0fa553128ee968ec78290ca8283
+
+PKG_HOST_ONLY := 1
+PKG_BUILD_PARALLEL := 1
+
+HOST_USE_NINJA := 1
+CMAKE_INSTALL := 1
+
+include $(INCLUDE_DIR)/cmake.mk
+include $(INCLUDE_DIR)/host-build.mk
+include $(INCLUDE_DIR)/package.mk
+
+# Requires Python3 to build
+HOST_BUILD_DEPENDS:=python3/host
+
+# rust environmental variables
+include ./rust_environment.mk
+
+# Rust Temp Directory
+RUST_TMP_DIR:=$(TMP_DIR)/rust-install
+
+RUST_INSTALL_HOST_FILENAME:=$(PKG_NAME)-$(PKG_VERSION)-$(RUSTC_HOST_ARCH)-install.tar.xz
+RUST_INSTALL_TARGET_FILENAME:=$(PKG_NAME)-$(PKG_VERSION)-$(RUSTC_TARGET_ARCH)-install.tar.xz
+
+# Rust-lang has an uninstall script
+RUST_UNINSTALL:=$(CARGO_HOME)/lib/rustlib/uninstall.sh
+
+# This checks to see if the dist installation already exists
+IS_RUSTC_INSTALLED:=$(or $(and $(wildcard $(CARGO_HOME)/bin/rustc),true),false)
+IS_CARGO_INSTALLED:=$(or $(and $(wildcard $(CARGO_HOME)/bin/cargo),true),false)
+
+# MUSL Target Flags
+MUSL_CONFIGURE_ARGS = \
+  --set=target.$(RUSTC_TARGET_ARCH).ar=$(TARGET_AR) \
+  --set=target.$(RUSTC_TARGET_ARCH).cc=$(TARGET_CC_NOCACHE) \
+  --set=target.$(RUSTC_TARGET_ARCH).cxx=$(TARGET_CXX_NOCACHE) \
+  --set=target.$(RUSTC_TARGET_ARCH).linker=$(TARGET_CC_NOCACHE) \
+  --set=target.$(RUSTC_TARGET_ARCH).musl-root=$(TOOLCHAIN_DIR) \
+  --set=target.$(RUSTC_TARGET_ARCH).ranlib=$(TARGET_RANLIB)
+
+# CARGO_HOME is an environmental
+HOST_CONFIGURE_OPTS += CARGO_HOME="$(CARGO_HOME)"
+
+# The Flags are Common between HOST and TARGET
+RUST_COMMON_ARGS := \
+  --build=$(RUSTC_HOST_ARCH) \
+  --dist-compression-formats=xz \
+  --enable-llvm-link-shared \
+  --enable-llvm-plugins \
+  --enable-missing-tools \
+  --enable-ninja \
+  --enable-optimize \
+  --enable-optimize-llvm \
+  --enable-parallel-compiler \
+  --enable-sanitizers \
+  --release-channel=nightly \
+  ${MUSL_CONFIGURE_ARGS}
+
+##
+# Because OpenWrt uses default configure flags that are not recognized
+# we override the default and set our own.
+#
+# Rust HOST Configuration Arguments
+HOST_CONFIGURE_ARGS = \
+  --target=$(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 \
+  ${RUST_COMMON_ARGS}
+
+# TODO: For future use
+# Rust TARGET Configuration Args
+#CONFIGURE_ARGS = \
+#  --target=$(RUSTC_TARGET_ARCH) \
+#  --host=$(RUSTC_TARGET_ARCH) \
+#  --prefix=$(CONFIGURE_PREFIX) \
+#  --bindir=$(CONFIGURE_PREFIX)/bin \
+#  --libdir=$(CONFIGURE_PREFIX)/lib \
+#  --sysconfdir=$(CONFIGURE_PREFIX)/etc \
+#  --datadir=$(CONFIGURE_PREFIX)/share \
+#  --mandir=$(CONFIGURE_PREFIX)/man \
+#  $(RUST_COMMOM_ARGS) \
+#  --set=llvm.cxxflags='$(RUST_LLVM_CXXFLAGS)'
+
+# Add rust_config.mk Debug flags
+#include ./rust_config.mk
+
+define Host/Prepare
+	# Ensure rust temp directory
+	[ -d $(RUST_TMP_DIR) ] || \
+	  mkdir -p $(RUST_TMP_DIR)
+
+	$(call Host/Prepare/Default)
+endef
+
+define Host/Uninstall
+	# Call the Uninstall script
+	[ -f $(RUST_UNINSTALL) ] && \
+	  $(BASH) $(RUST_UNINSTALL) || echo No Uninstall
+
+	rm -rf $(RUST_TMP_DIR)
+endef
+
+# Makes and then packages the dist artifacts
+define Host/Compile
+	cd $(HOST_BUILD_DIR) && \
+	  $(PYTHON) x.py --config ./config.toml dist build-manifest cargo llvm-tools \
+	    rustc rust-std rust-src
+
+	$(call Host/PackageDist)
+endef
+
+# Distribution Artifacts are packaged by Host/PackageDist
+# We just need to extract and install
+define Host/Install
+	$(TAR) -C $(RUST_TMP_DIR) -xJf $(DL_DIR)/$(RUST_INSTALL_HOST_FILENAME) && \
+	$(TAR) -C $(RUST_TMP_DIR) -xJf $(DL_DIR)/$(RUST_INSTALL_TARGET_FILENAME)
+
+	cd $(RUST_TMP_DIR) && \
+	  find -iname "*.xz" -exec tar -xJf {} ";" && \
+	  find ./* -type f -name install.sh -execdir sh {} --prefix=$(CARGO_HOME) --disable-ldconfig \;
+endef
+
+# Packages the Distribution Artifacts into HOST and TARGET bundles.
+define Host/PackageDist
+	cd $(HOST_BUILD_DIR)/build/dist && \
+	  $(TAR) -cJf $(DL_DIR)/$(RUST_INSTALL_TARGET_FILENAME) \
+	  rust-*-$(RUSTC_TARGET_ARCH).tar.xz
+
+	cd $(HOST_BUILD_DIR)/build/dist && \
+	  $(TAR) -cJf $(DL_DIR)/$(RUST_INSTALL_HOST_FILENAME) \
+	  --exclude rust-*-$(RUSTC_TARGET_ARCH).tar.xz *.xz
+endef
+
+define Package/rust
+  SECTION:=lang
+  CATEGORY:=Languages
+  TITLE:=Rust Programming Language Compiler
+  URL:=https://www.rust-lang.org/
+  DEPENDS:=@(aarch64||arm||mips64||mips||mipsel||x86_64) \
+    +pkg-config +libunwind
+endef
+
+define Package/rust/description
+  Rust is a multi-paradigm, general-purpose programming language designed for performance
+  and safety, especially safe concurrency. Rust is syntactically similar to C++, but can
+  guarantee memory safety by using a borrow checker to validate references.
+endef
+
+define Package/rust/config
+	source "$(SOURCE)/Config.in"
+endef
+
+$(eval $(call HostBuild))
+$(eval $(call BuildPackage,rust))
diff --git a/lang/rust/patches/00-add_mips64.patch b/lang/rust/patches/00-add_mips64.patch
@@ -0,0 +1,72 @@
+From 2e0f33744f8f67afeecdc4963bccc7942d20582d Mon Sep 17 00:00:00 2001
+From: Donald Hoskins <grommish@gmail.com>
+Date: Mon, 3 Jan 2022 02:48:02 -0500
+Subject: [PATCH] rustc_target: mips64-openwrt-linux-musl - Add Tier 3 target
+
+Tier 3 tuple for Mips64 OpenWrt toolchain.
+
+Signed-off-by: Donald Hoskins <grommish@gmail.com>
+---
+ .../src/spec/mips64_openwrt_linux_musl.rs     | 26 +++++++++++++++++++
+ compiler/rustc_target/src/spec/mod.rs         |  2 ++
+ src/doc/rustc/src/platform-support.md         |  1 +
+ 3 files changed, 29 insertions(+)
+ create mode 100644 compiler/rustc_target/src/spec/mips64_openwrt_linux_musl.rs
+
+diff --git a/compiler/rustc_target/src/spec/mips64_openwrt_linux_musl.rs b/compiler/rustc_target/src/spec/mips64_openwrt_linux_musl.rs
+new file mode 100644
+index 0000000000000..1199ed44202f9
+--- /dev/null
++++ b/compiler/rustc_target/src/spec/mips64_openwrt_linux_musl.rs
+@@ -0,0 +1,26 @@
++/// A target tuple for OpenWrt MIPS64 targets
++///
++use crate::abi::Endian;
++use crate::spec::{Target, TargetOptions};
++
++pub fn target() -> Target {
++    let mut base = super::linux_musl_base::opts();
++    base.cpu = "mips64r2".to_string();
++    base.features = "+mips64r2".to_string();
++    base.max_atomic_width = Some(64);
++    base.crt_static_default = false;
++
++    Target {
++        // LLVM doesn't recognize "muslabi64" yet.
++        llvm_target: "mips64-unknown-linux-musl".to_string(),
++        pointer_width: 64,
++        data_layout: "E-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128".to_string(),
++        arch: "mips64".to_string(),
++        options: TargetOptions {
++            abi: "abi64".to_string(),
++            endian: Endian::Big,
++            mcount: "_mcount".to_string(),
++            ..base
++        },
++    }
++}
+diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs
+index 43913183694e0..fee40c4c6c95e 100644
+--- a/compiler/rustc_target/src/spec/mod.rs
++++ b/compiler/rustc_target/src/spec/mod.rs
+@@ -1014,6 +1014,8 @@ supported_targets! {
+     ("armv7-unknown-linux-uclibceabihf", armv7_unknown_linux_uclibceabihf),
+
+     ("x86_64-unknown-none", x86_64_unknown_none),
++
++    ("mips64-openwrt-linux-musl", mips64_openwrt_linux_musl),
+ }
+
+ /// Warnings encountered when parsing the target `json`.
+diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md
+index f4f659ffa273e..d225701087d4d 100644
+--- a/src/doc/rustc/src/platform-support.md
++++ b/src/doc/rustc/src/platform-support.md
+@@ -244,6 +244,7 @@ target | std | host | notes
+ `i686-wrs-vxworks` | ? |  |
+ `m68k-unknown-linux-gnu` | ? |  | Motorola 680x0 Linux
+ `mips-unknown-linux-uclibc` | ✓ |  | MIPS Linux with uClibc
++`mips64-openwrt-linux-musl` | ? |  | OpenWrt
+ `mipsel-sony-psp` | * |  | MIPS (LE) Sony PlayStation Portable (PSP)
+ `mipsel-unknown-linux-uclibc` | ✓ |  | MIPS (LE) Linux with uClibc
+ `mipsel-unknown-none` | * |  | Bare MIPS (LE) softfloat