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‎.github/workflows/release.yaml‎

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name: Release stable rust-std
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on:
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workflow_call:
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inputs:
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version:
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description: 'The rust version to use e.g. 1.80.0'
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required: true
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type: string
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workflow_dispatch:
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inputs:
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version:
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description: 'The rust version to use e.g. 1.80.0'
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required: true
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type: string
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jobs:
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release:
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permissions:
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contents: write
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name: Release stable rust-std
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runs-on: macos-latest
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env:
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VERSION: ${{ inputs.version }}
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steps:
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- name: Checkout repo for cargo.toml
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uses: actions/checkout@v4
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- name: Install Rust
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run: |
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brew install rustup
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rustup-init -y --default-toolchain ${VERSION}
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cp cargo.toml $HOME/.cargo/config.toml
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source $HOME/.cargo/env
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- name: Install Android NDK
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run: |
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ANDROID_NDK_BIN_PATH=$(brew --prefix)/share/android-ndk/toolchains/llvm/prebuilt/darwin-x86_64/bin
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brew install --cask android-ndk
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# Link all clangs into the binary cargo looks for
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ln -s ${ANDROID_NDK_BIN_PATH}/aarch64-linux-android35-clang ${ANDROID_NDK_BIN_PATH}/aarch64-linux-android-clang
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ln -s ${ANDROID_NDK_BIN_PATH}/armv7a-linux-androideabi35-clang ${ANDROID_NDK_BIN_PATH}/arm-linux-androideabi-clang
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ln -s ${ANDROID_NDK_BIN_PATH}/i686-linux-android35-clang ${ANDROID_NDK_BIN_PATH}/i686-linux-android-clang
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ln -s ${ANDROID_NDK_BIN_PATH}/x86_64-linux-android35-clang ${ANDROID_NDK_BIN_PATH}/x86_64-linux-android-clang
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echo "ANDROID_NDK_BIN_PATH=${ANDROID_NDK_BIN_PATH}" >> $GITHUB_ENV
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- name: Download rust stable source code
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run: |
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wget -q https://static.rust-lang.org/dist/rustc-${VERSION}-src.tar.xz
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wget -q https://static.rust-lang.org/dist/rustc-${VERSION}-src.tar.xz.sha256 -O rust-src.tar.xz.sha256
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cat rust-src.tar.xz.sha256 | shasum --check --status
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- name: Extract rust src
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id: rust-src
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run: |
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tar xzf rustc-${VERSION}-src.tar.xz
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echo "path=$(realpath rustc-${VERSION}-src)" >> $GITHUB_OUTPUT
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- name: Download LLVM compiler-rt
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id: compiler-rt
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env:
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GH_TOKEN: ${{ github.token }}
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run: |
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tag=$(gh release list -R llvm/llvm-project --exclude-pre-releases --exclude-drafts -L 1 --json tagName -q '.[0].tagName')
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gh release download ${tag} --pattern "compiler-rt*.tar.xz" -R llvm/llvm-project
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mkdir compiler-rt
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tar xJf compiler-rt*.tar.xz --strip-components=1 -C compiler-rt
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echo "path=$(realpath compiler-rt)" >> $GITHUB_OUTPUT
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- name: Build rust std (iOS)
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env:
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# Allow using unstable cargo features in the standard library.
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RUSTC_BOOTSTRAP: 1
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# This is required by compiler-builtins
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RUST_COMPILER_RT_ROOT: ${{ steps.compiler-rt.outputs.path }}
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RUSTC_SRC: ${{ steps.rust-src.outputs.path }}
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RUSTFLAGS: "-C panic=abort -C opt-level=z -C llvm-args=--inline-threshold=225 -C codegen-units=1"
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run: |
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cd ${RUSTC_SRC}/library/std
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cargo build \
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--release \
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--features "panic_immediate_abort,optimize_for_size,compiler-builtins-c" \
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--target aarch64-apple-ios \
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--target aarch64-apple-ios-sim \
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--target x86_64-apple-ios \
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- name: Build rust std (Android)
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env:
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RUSTC_BOOTSTRAP: 1
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RUST_COMPILER_RT_ROOT: ${{ steps.compiler-rt.outputs.path }}
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RUSTC_SRC: ${{ steps.rust-src.outputs.path }}
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RUSTFLAGS: "-C panic=abort -C opt-level=z -C llvm-args=--inline-threshold=225 -C codegen-units=1"
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run: |
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cd ${RUSTC_SRC}/library/std
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# Set the path pointing to the NDK where all the cross-compiling clang binaries exist
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export PATH="${ANDROID_NDK_BIN_PATH}:${PATH}"
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cargo build \
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--release \
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--features "panic_immediate_abort,optimize_for_size,compiler-builtins-c" \
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--target aarch64-linux-android \
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--target armv7-linux-androideabi \
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--target i686-linux-android \
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--target x86_64-linux-android
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- name: Create rust std tarball
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id: tarball
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env:
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RUSTC_SRC: ${{steps.rust-src.outputs.path}}
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run: |
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ARCHES="aarch64-apple-ios aarch64-apple-ios-sim x86_64-apple-ios aarch64-linux-android armv7-linux-androideabi i686-linux-android x86_64-linux-android"
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mkdir -p tarballs
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cd tarballs
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for ARCH in $ARCHES; do
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mkdir -p rust-std-${VERSION}-${ARCH}/rust-std-${ARCH}/lib/rustlib/${ARCH}/lib
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rustc -V | sed -e 's/rustc //' > rust-std-${VERSION}-${ARCH}/version
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cp ${RUSTC_SRC}/target/${ARCH}/release/deps/*.rlib rust-std-${VERSION}-${ARCH}/rust-std-${ARCH}/lib/rustlib/${ARCH}/lib
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tar -czf rust-std-${VERSION}-${ARCH}.tar.gz rust-std-${VERSION}-${ARCH}
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shasum -a 256 rust-std-${VERSION}-${ARCH}.tar.gz > rust-std-${VERSION}-${ARCH}.tar.gz.sha256
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done
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echo "path=$(realpath .)" >> $GITHUB_OUTPUT
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- name: Create github release with tarballs
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env:
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GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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TARBALLS_PATH: ${{ steps.tarball.outputs.path }}
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run: |
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gh release create "$VERSION" \
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--target "$GITHUB_REF_NAME" \
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--notes "Rust stable v${VERSION}" \
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${TARBALLS_PATH}/*.tar.gz \
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${TARBALLS_PATH}/*.tar.gz.sha256

‎README.md‎

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# rust-std-mobile
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Github actions to compile rust std for iOS and Android
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# Rust std for mobile builds
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This repository publishes unofficial releases compiled with the minimum needed to use rust on mobile. These builds are based off point rust releases.
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## License
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Rust is primarily distributed under the terms of both the MIT license and the
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Apache License (Version 2.0), with portions covered by various BSD-like
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licenses.
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See [LICENSE-APACHE](https://github.com/rust-lang/rust/blob/master/LICENSE-APACHE), [LICENSE-MIT](https://github.com/rust-lang/rust/blob/master/LICENSE-MIT), and
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[COPYRIGHT](https://github.com/rust-lang/rust/blob/master/COPYRIGHT) for details.

‎cargo.toml‎

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[target.aarch64-linux-android]
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linker = "aarch64-linux-android35-clang"
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[target.armv7-linux-androideabi]
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linker = "armv7a-linux-androideabi35-clang"
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[target.i686-linux-android]
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linker = "i686-linux-android35-clang"
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[target.x86_64-linux-android]
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linker = "x86_64-linux-android35-clang"

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