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Uses cargo-zigbuild as a backend, and adds configuration options for zig under `[build.zig]` and `[target.(...).zig]`. If enabled, and an image override is not provided, `cross` will always use the `zig` image. The feature can be enabled by providing `zig` as a table, bool, or string.
It supports custom glibc versions by passing the `zig.version` key, and `zig` can be separately enabled or disabled by providing `zig.enable`.
```
[target.x86_64-unknown-linux-gnu.zig]
enable = true # enable use of the zig image
version = "2.17" # glibc version to use
image = "ghcr.io/cross-rs/zig:local" # custom image to use
```
If provided as a bool, it will use the default glibc version:
```
[target.x86_64-unknown-linux-gnu]
\# equivalent to { enable = true }
zig = true
```
If provided as a string, `zig` will be automatically enabled:
```
[target.x86_64-unknown-linux-gnu]
\# equivalent to { enable = true, version = "2.17" }
zig = "2.17"
```
The image does not provide runners, `bindgen` Clang args, or `pkg-config` paths, since `zig cc` does not provide the dynamic library loader (`ld-linux*.so`) required, meaning none of the binaries can be run. For `bindgen`, `zig cc` has an unusual directory structure, so there is no traditional sysroot with `usr`, `lib`, and `include` subdirectories. Finally, since we don't have system packages we can work with, exporting a `pkg-config` path makes little sense.
Closes cross-rs#860.- Loading branch information
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| #!/usr/bin/env bash | ||
| # shellcheck disable=SC2086,SC1091,SC1090 | ||
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| set -x | ||
| set -eo pipefail | ||
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| # NOTE: "${@}" is an unbound variable for bash 3.2, which is the | ||
| # installed version on macOS. likewise, "${var[@]}" is an unbound | ||
| # error if var is an empty array. | ||
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| ci_dir=$(dirname "${BASH_SOURCE[0]}") | ||
| ci_dir=$(realpath "${ci_dir}") | ||
| project_home=$(dirname "${ci_dir}") | ||
| . "${ci_dir}"/shared.sh | ||
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| # zig cc is very slow: only use a few targets. | ||
| TARGETS=( | ||
| "aarch64-unknown-linux-gnu" | ||
| "aarch64-unknown-linux-musl" | ||
| "i586-unknown-linux-gnu" | ||
| "i586-unknown-linux-musl" | ||
| ) | ||
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| # on CI, it sets `CROSS_TARGET_ZIG_IMAGE` rather than `CROSS_TARGET_ZIG_IMAGE` | ||
| if [[ -n "${CROSS_TARGET_ZIG_IMAGE}" ]]; then | ||
| export CROSS_BUILD_ZIG_IMAGE="${CROSS_TARGET_ZIG_IMAGE}" | ||
| unset CROSS_TARGET_ZIG_IMAGE | ||
| fi | ||
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| main() { | ||
| export CROSS_BUILD_ZIG=1 | ||
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| local td= | ||
| local target= | ||
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| retry cargo fetch | ||
| cargo build | ||
| export CROSS="${project_home}/target/debug/cross" | ||
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| td="$(mktemp -d)" | ||
| git clone --depth 1 https://github.com/cross-rs/rust-cpp-hello-word "${td}" | ||
| pushd "${td}" | ||
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| for target in "${TARGETS[@]}"; do | ||
| "${CROSS}" build --target "${target}" --verbose | ||
| # note: ensure #724 doesn't replicate during CI. | ||
| # https://github.com/cross-rs/cross/issues/724 | ||
| cargo clean | ||
| done | ||
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| popd | ||
| rm -rf "${td}" | ||
| } | ||
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| main "${@}" |
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| @@ -0,0 +1,22 @@ | ||
| FROM ubuntu:20.04 | ||
| ARG DEBIAN_FRONTEND=noninteractive | ||
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| COPY common.sh lib.sh / | ||
| RUN /common.sh | ||
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| COPY cmake.sh / | ||
| RUN /cmake.sh | ||
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| COPY xargo.sh / | ||
| RUN /xargo.sh | ||
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| ARG TARGETPLATFORM | ||
| COPY zig.sh / | ||
| RUN /zig.sh $TARGETPLATFORM | ||
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| # we don't export `BINDGEN_EXTRA_CLANG_ARGS`, `QEMU_LD_PREFIX`, or | ||
| # `PKG_CONFIG_PATH` since zig doesn't have a traditional sysroot structure, | ||
| # and we're not using standard, shared packages. none of the packages | ||
| # have runners either, since they do not ship with the required | ||
| # dynamic linker (`ld-linux-${arch}.so`). | ||
| ENV PATH=$PATH:/opt/zig |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,197 @@ | ||
| #!/usr/bin/env bash | ||
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| set -x | ||
| set -eo pipefail | ||
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| # shellcheck disable=SC1091 | ||
| . lib.sh | ||
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| main() { | ||
| local platform="${1}" | ||
| install_packages ca-certificates curl xz-utils | ||
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| install_zig "${platform}" | ||
| install_zigbuild "${platform}" | ||
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| purge_packages | ||
| rm "${0}" | ||
| } | ||
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| install_zig() { | ||
| local platform="${1}" | ||
| local version="0.9.1" | ||
| local dst="/opt/zig" | ||
| local arch= | ||
| local os= | ||
| local triple= | ||
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| case "${platform}" in | ||
| 'linux/386') | ||
| arch="i386" | ||
| os="linux" | ||
| ;; | ||
| 'linux/amd64') | ||
| arch="x86_64" | ||
| os="linux" | ||
| ;; | ||
| 'linux/arm64') | ||
| arch="aarch64" | ||
| os="linux" | ||
| ;; | ||
| 'linux/riscv64') | ||
| arch="riscv64" | ||
| os="linux" | ||
| ;; | ||
| 'linux/ppc64le') | ||
| triple="powerpc64le-linux-gnu" | ||
| ;; | ||
| 'linux/s390x') | ||
| triple="s390x-linux-gnu" | ||
| ;; | ||
| 'darwin/amd64') | ||
| arch="x86_64" | ||
| os="macos" | ||
| ;; | ||
| 'darwin/arm64') | ||
| arch="aarch64" | ||
| os="macos" | ||
| ;; | ||
| # NOTE: explicitly don't support linux/arm/v6 | ||
| *) | ||
| echo "Unsupported target platform '${platform}'" 1>&2 | ||
| exit 1 | ||
| ;; | ||
| esac | ||
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| if [[ -n "${arch}" ]]; then | ||
| install_zig_tarball "${arch}" "${os}" "${version}" "${dst}" | ||
| else | ||
| install_zig_source "${triple}" "${version}" "${dst}" | ||
| fi | ||
| } | ||
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| install_zig_tarball() { | ||
| local arch="${1}" | ||
| local os="${2}" | ||
| local version="${3}" | ||
| local dst="${4}" | ||
| local filename="zig-${os}-${arch}-${version}.tar.xz" | ||
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| local td | ||
| td="$(mktemp -d)" | ||
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| pushd "${td}" | ||
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| curl --retry 3 -sSfL "https://ziglang.org/download/${version}/${filename}" -O | ||
| mkdir -p "${dst}" | ||
| tar --strip-components=1 -xJf "${filename}" --directory "${dst}" | ||
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| popd | ||
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| rm -rf "${td}" | ||
| } | ||
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| install_zig_source() { | ||
| local triple="${1}" | ||
| local version="${2}" | ||
| local dst="${3}" | ||
| local filename="zig-bootstrap-${version}.tar.xz" | ||
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| local td | ||
| td="$(mktemp -d)" | ||
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| pushd "${td}" | ||
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| curl --retry 3 -sSfL "https://ziglang.org/download/${version}/${filename}" -O | ||
| mkdir zig | ||
| tar --strip-components=1 -xJf "${filename}" --directory zig | ||
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| pushd zig | ||
| install_packages python3 make g++ | ||
| ./build -j5 "${triple}" native | ||
| mv "out/zig-${triple}-native" /opt/zig | ||
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| popd | ||
| popd | ||
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| rm -rf "${td}" | ||
| } | ||
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| install_zigbuild() { | ||
| local platform="${1}" | ||
| local version=0.11.0 | ||
| local dst="/usr/local" | ||
| local triple= | ||
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| # we don't know if `linux/arm/v7` is hard-float, | ||
| # and we don't know the the zigbuild `apple-darwin` | ||
| # target doesn't manually specify the architecture. | ||
| case "${platform}" in | ||
| 'linux/386') | ||
| triple="i686-unknown-linux-musl" | ||
| ;; | ||
| 'linux/amd64') | ||
| triple="x86_64-unknown-linux-musl" | ||
| ;; | ||
| 'linux/arm64') | ||
| triple="aarch64-unknown-linux-musl" | ||
| ;; | ||
| *) | ||
| ;; | ||
| esac | ||
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| if [[ -n "${triple}" ]]; then | ||
| install_zigbuild_tarball "${triple}" "${version}" "${dst}" | ||
| else | ||
| install_zigbuild_source "${version}" "${dst}" | ||
| fi | ||
| } | ||
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| install_zigbuild_tarball() { | ||
| local triple="${1}" | ||
| local version="${2}" | ||
| local dst="${3}" | ||
| local repo="https://github.com/messense/cargo-zigbuild" | ||
| local filename="cargo-zigbuild-v${version}.${triple}.tar.gz" | ||
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| local td | ||
| td="$(mktemp -d)" | ||
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| pushd "${td}" | ||
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| curl --retry 3 -sSfL "${repo}/releases/download/v${version}/${filename}" -O | ||
| mkdir -p "${dst}/bin" | ||
| tar -xzf "${filename}" --directory "${dst}/bin" | ||
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| popd | ||
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| rm -rf "${td}" | ||
| } | ||
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| install_zigbuild_source() { | ||
| local version="${1}" | ||
| local dst="${2}" | ||
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| local td | ||
| td="$(mktemp -d)" | ||
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| pushd "${td}" | ||
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| export RUSTUP_HOME="${td}/rustup" | ||
| export CARGO_HOME="${td}/cargo" | ||
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| curl --retry 3 -sSfL https://sh.rustup.rs -o rustup-init.sh | ||
| sh rustup-init.sh -y --no-modify-path --profile minimal | ||
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| PATH="${CARGO_HOME}/bin:${PATH}" \ | ||
| cargo install cargo-zigbuild \ | ||
| --version "${version}" \ | ||
| --root "${dst}" \ | ||
| --locked | ||
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| popd | ||
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| rm -rf "${td}" | ||
| } | ||
|
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| main "${@}" |
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