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List:       openembedded-core
Subject:    Re: [OE-core] [PATCH v2 2/3] Rust cross testing file
From:       "Alexandre Belloni" <alexandre.belloni () bootlin ! com>
Date:       2021-09-29 23:03:21
Message-ID: YVTwuSLx+HyyIDkV () piout ! net
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Hello,

On 29/09/2021 01:04:47-0700, Pgowda wrote:
> The file is main entry point for rust oe-selftest.
> It configures, compiles and runs the test suite framework.
> 
> It implements the above using the following functions:
> setup_cargo_environment(): Build bootstrap and some early stage tools.
> do_rust_setup_snapshot(): Install the snapshot version of rust binaries.
> do_configure(): To generate config.toml
> do_compile(): To build "remote-test-server" for qemutarget image.
> ---
> meta/recipes-devtools/rust/rust-testsuite.inc | 167 ++++++++++++++++++
> 1 file changed, 167 insertions(+)
> create mode 100644 meta/recipes-devtools/rust/rust-testsuite.inc
> 
> diff --git a/meta/recipes-devtools/rust/rust-testsuite.inc \
> b/meta/recipes-devtools/rust/rust-testsuite.inc new file mode 100644
> index 0000000000..861c4ff504
> --- /dev/null
> +++ b/meta/recipes-devtools/rust/rust-testsuite.inc
> @@ -0,0 +1,167 @@
> +SUMMARY = "Rust testing"
> +HOMEPAGE = "https://rustc-dev-guide.rust-lang.org/tests/intro.html"
> +SECTION = "test"
> +LICENSE = "MIT | Apache-2.0"
> +
> +inherit rust
> +inherit cargo_common
> +
> +DEPENDS += "file-native python3-native"

I believe you are missing a dependency on ninja-native:

https://autobuilder.yoctoproject.org/typhoon/#/builders/73/builds/4058/steps/18/logs/stdio


> Couldn't find required command: ninja
> You should install ninja, or set `ninja=false` in config.toml in the `[llvm]` \
> section.

> +EXCLUDE_FROM_WORLD = "1"
> +
> +S = "${RUSTSRC}"
> +
> +# Path of target specification file "target-poky-linux.json"
> +export RUST_TARGET_PATH="${STAGING_LIBDIR_NATIVE}/rustlib"
> +
> +export FORCE_CRATE_HASH="${BB_TASKHASH}"
> +
> +# We don't want to use bitbakes vendoring because the rust sources do their
> +# own vendoring.
> +CARGO_DISABLE_BITBAKE_VENDORING = "1"
> +
> +# We can't use RUST_BUILD_SYS here because that may be "musl" if
> +# TCLIBC="musl". Snapshots are always -unknown-linux-gnu
> +SNAPSHOT_BUILD_SYS = "${BUILD_ARCH}-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
> +
> +    printf '[target.%s]\n' "${SNAPSHOT_BUILD_SYS}" >> ${CARGO_HOME}/config
> +    printf "linker = '%s'\n" "${RUST_BUILD_CCLD}" >> ${CARGO_HOME}/config
> +}
> +
> +include rust-common.inc
> +
> +do_rust_setup_snapshot () {
> +    for installer in "${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"
> +
> +python do_configure() {
> +    import json
> +    from distutils.version import LooseVersion
> +    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-unknown-linux-gnu] in case of x86_64 [target.ARCH-poky-linux]
> +    target_section = "target.{}".format(d.getVar('TARGET_SYS', True))
> +    config.add_section(target_section)
> +
> +    # Points to wrapper files which contain target specific compiler and linker \
> commands. +    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("${RUST_TARGET_CCLD}")))
> +
> +    # If we don't do this rust-native will compile it's own llvm for BUILD.
> +    # [target.${BUILD_ARCH}-unknown-linux-gnu]
> +    target_section = "target.{}".format(d.getVar('SNAPSHOT_BUILD_SYS', True))
> +    config.add_section(target_section)
> +
> +    # Wrapper scripts of build system.
> +    config.set(target_section, "cxx", e(d.expand("${RUST_BUILD_CXX}")))
> +    config.set(target_section, "cc", e(d.expand("${RUST_BUILD_CC}")))
> +
> +    # [llvm]
> +    config.add_section("llvm")
> +    config.set("llvm", "targets", e("ARM;AArch64;Mips;PowerPC;RISCV;X86"))
> +
> +    # [rust]
> +    config.add_section("rust")
> +    config.set("rust", "rpath", e(True))
> +    config.set("rust", "channel", e("stable"))
> +
> +    if LooseVersion(d.getVar("PV")) < LooseVersion("1.32.0"):
> +        config.set("rust", "use-jemalloc", e(False))
> +
> +    # 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))
> +
> +    # Override default linker cc.
> +    config.set("rust", "default-linker", e(d.expand("${RUST_BUILD_CCLD}")))
> +
> +    # [build]
> +    config.add_section("build")
> +    config.set("build", "submodules", e(False))
> +    config.set("build", "docs", e(False))
> +
> +    rustc = d.expand("${WORKDIR}/rust-snapshot/bin/rustc")
> +    config.set("build", "rustc", e(rustc))
> +
> +    cargo = d.expand("${WORKDIR}/rust-snapshot/bin/cargo")
> +    config.set("build", "cargo", e(cargo))
> +
> +    config.set("build", "vendor", e(True))
> +
> +    targets = [d.getVar("TARGET_SYS", True)]
> +    config.set("build", "target", e(targets))
> +
> +    hosts = [d.getVar("SNAPSHOT_BUILD_SYS", True)]
> +    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("SNAPSHOT_BUILD_SYS", True)))
> +
> +    with open("config.toml", "w") as f:
> +        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
> +
> +    oe_cargo_fix_env
> +
> +    python3 src/bootstrap/bootstrap.py ${@oe.utils.parallel_make_argument(d, '-j \
> %d')} "$@" --verbose +}
> +rust_runx[vardepsexclude] += "PARALLEL_MAKE"
> +
> +do_compile () {
> +
> +    rust_runx build src/tools/remote-test-server --target "${TARGET_SYS}"
> +}
> -- 
> 2.31.1
> 

> 
> 
> 


-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com



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