203 lines
6.7 KiB
PHP
203 lines
6.7 KiB
PHP
SUMMARY = "Rust compiler and runtime libaries"
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HOMEPAGE = "http://www.rust-lang.org"
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SECTION = "devel"
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LICENSE = "MIT | Apache-2.0"
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LIC_FILES_CHKSUM = "file://COPYRIGHT;md5=93a95682d51b4cb0a633a97046940ef0"
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inherit rust
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inherit cargo_common
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DEPENDS += "file-native python3-native"
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DEPENDS:append:class-native = " rust-llvm-native"
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S = "${RUSTSRC}"
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# We generate local targets, and need to be able to locate them
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export RUST_TARGET_PATH="${WORKDIR}/targets/"
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export FORCE_CRATE_HASH="${BB_TASKHASH}"
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RUST_ALTERNATE_EXE_PATH ?= "${STAGING_LIBDIR}/llvm-rust/bin/llvm-config"
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export YOCTO_ALTERNATE_EXE_PATH = "${RUST_ALTERNATE_EXE_PATH}"
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export YOCTO_ALTERNATE_MULTILIB_NAME = "/${BASELIB}"
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# We don't want to use bitbakes vendoring because the rust sources do their
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# own vendoring.
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CARGO_DISABLE_BITBAKE_VENDORING = "1"
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# We can't use RUST_BUILD_SYS here because that may be "musl" if
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# TCLIBC="musl". Snapshots are always -unknown-linux-gnu
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SNAPSHOT_BUILD_SYS = "${RUST_BUILD_ARCH}-unknown-linux-gnu"
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setup_cargo_environment () {
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# The first step is to build bootstrap and some early stage tools,
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# these are build for the same target as the snapshot, e.g.
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# x86_64-unknown-linux-gnu.
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# Later stages are build for the native target (i.e. target.x86_64-linux)
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cargo_common_do_configure
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printf '[target.%s]\n' "${SNAPSHOT_BUILD_SYS}" >> ${CARGO_HOME}/config
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printf "linker = '%s'\n" "${RUST_BUILD_CCLD}" >> ${CARGO_HOME}/config
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}
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include rust-common.inc
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do_rust_setup_snapshot () {
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for installer in "${WORKDIR}/rust-snapshot-components/"*"/install.sh"; do
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"${installer}" --prefix="${WORKDIR}/rust-snapshot" --disable-ldconfig
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done
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# Some versions of rust (e.g. 1.18.0) tries to find cargo in stage0/bin/cargo
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# and fail without it there.
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mkdir -p ${RUSTSRC}/build/${BUILD_SYS}
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ln -sf ${WORKDIR}/rust-snapshot/ ${RUSTSRC}/build/${BUILD_SYS}/stage0
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# Need to use uninative's loader if enabled/present since the library paths
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# are used internally by rust and result in symbol mismatches if we don't
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if [ ! -z "${UNINATIVE_LOADER}" -a -e "${UNINATIVE_LOADER}" ]; then
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for bin in cargo rustc rustdoc; do
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patchelf-uninative ${WORKDIR}/rust-snapshot/bin/$bin --set-interpreter ${UNINATIVE_LOADER}
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done
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fi
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}
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addtask rust_setup_snapshot after do_unpack before do_configure
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do_rust_setup_snapshot[dirs] += "${WORKDIR}/rust-snapshot"
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do_rust_setup_snapshot[vardepsexclude] += "UNINATIVE_LOADER"
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python do_configure() {
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import json
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try:
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import configparser
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except ImportError:
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import ConfigParser as configparser
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# toml is rather similar to standard ini like format except it likes values
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# that look more JSON like. So for our purposes simply escaping all values
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# as JSON seem to work fine.
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e = lambda s: json.dumps(s)
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config = configparser.RawConfigParser()
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# [target.ARCH-poky-linux]
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target_section = "target.{}".format(d.getVar('TARGET_SYS'))
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config.add_section(target_section)
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llvm_config = d.expand("${YOCTO_ALTERNATE_EXE_PATH}")
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config.set(target_section, "llvm-config", e(llvm_config))
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config.set(target_section, "cxx", e(d.expand("${RUST_TARGET_CXX}")))
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config.set(target_section, "cc", e(d.expand("${RUST_TARGET_CC}")))
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# If we don't do this rust-native will compile it's own llvm for BUILD.
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# [target.${BUILD_ARCH}-unknown-linux-gnu]
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target_section = "target.{}".format(d.getVar('SNAPSHOT_BUILD_SYS'))
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config.add_section(target_section)
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config.set(target_section, "llvm-config", e(llvm_config))
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config.set(target_section, "cxx", e(d.expand("${RUST_BUILD_CXX}")))
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config.set(target_section, "cc", e(d.expand("${RUST_BUILD_CC}")))
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# [rust]
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config.add_section("rust")
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config.set("rust", "rpath", e(True))
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config.set("rust", "channel", e("stable"))
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# Whether or not to optimize the compiler and standard library
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config.set("rust", "optimize", e(True))
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# [build]
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config.add_section("build")
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config.set("build", "submodules", e(False))
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config.set("build", "docs", e(False))
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rustc = d.expand("${WORKDIR}/rust-snapshot/bin/rustc")
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config.set("build", "rustc", e(rustc))
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# Support for the profiler runtime to generate e.g. coverage report,
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# PGO etc.
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config.set("build", "profiler", e(True))
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cargo = d.expand("${WORKDIR}/rust-snapshot/bin/cargo")
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config.set("build", "cargo", e(cargo))
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config.set("build", "vendor", e(True))
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if not "targets" in locals():
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targets = [d.getVar("TARGET_SYS")]
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config.set("build", "target", e(targets))
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if not "hosts" in locals():
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hosts = [d.getVar("HOST_SYS")]
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config.set("build", "host", e(hosts))
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# We can't use BUILD_SYS since that is something the rust snapshot knows
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# nothing about when trying to build some stage0 tools (like fabricate)
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config.set("build", "build", e(d.getVar("SNAPSHOT_BUILD_SYS")))
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# [install]
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config.add_section("install")
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# ./x.py install doesn't have any notion of "destdir"
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# but we can prepend ${D} to all the directories instead
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config.set("install", "prefix", e(d.getVar("D") + d.getVar("prefix")))
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config.set("install", "bindir", e(d.getVar("D") + d.getVar("bindir")))
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config.set("install", "libdir", e(d.getVar("D") + d.getVar("libdir")))
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config.set("install", "datadir", e(d.getVar("D") + d.getVar("datadir")))
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config.set("install", "mandir", e(d.getVar("D") + d.getVar("mandir")))
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with open("config.toml", "w") as f:
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f.write('changelog-seen = 2\n\n')
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config.write(f)
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# set up ${WORKDIR}/cargo_home
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bb.build.exec_func("setup_cargo_environment", d)
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}
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rust_runx () {
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echo "COMPILE ${PN}" "$@"
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# CFLAGS, LDFLAGS, CXXFLAGS, CPPFLAGS are used by rust's build for a
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# wide range of targets (not just TARGET). Yocto's settings for them will
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# be inappropriate, avoid using.
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unset CFLAGS
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unset LDFLAGS
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unset CXXFLAGS
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unset CPPFLAGS
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oe_cargo_fix_env
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python3 src/bootstrap/bootstrap.py ${@oe.utils.parallel_make_argument(d, '-j %d')} "$@" --verbose
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}
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rust_runx[vardepsexclude] += "PARALLEL_MAKE"
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do_compile () {
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rust_runx build
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}
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rust_do_install () {
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mkdir -p ${D}${bindir}
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cp build/${HOST_SYS}/stage2/bin/* ${D}${bindir}
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mkdir -p ${D}${libdir}/rustlib
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cp -pRd build/${HOST_SYS}/stage2/lib/* ${D}${libdir}
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# Remove absolute symlink so bitbake doesn't complain
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rm -f ${D}${libdir}/rustlib/src/rust
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}
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rust_install_targets() {
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# Install our custom target.json files
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local td="${D}${libdir}/rustlib/"
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install -d "$td"
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for tgt in "${WORKDIR}/targets/"* ; do
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install -m 0644 "$tgt" "$td"
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done
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}
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do_install () {
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rust_do_install
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rust_install_targets
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}
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# ex: sts=4 et sw=4 ts=8
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