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|
SUMMARY = "Rust compiler and runtime libaries"
HOMEPAGE = "http://www.rust-lang.org"
SECTION = "devel"
LICENSE = "MIT | Apache-2.0"
LIC_FILES_CHKSUM = "file://COPYRIGHT;md5=93a95682d51b4cb0a633a97046940ef0"
inherit rust
inherit cargo_common
DEPENDS += "file-native python3-native"
DEPENDS:append:class-native = " rust-llvm-native"
S = "${RUSTSRC}"
# We generate local targets, and need to be able to locate them
export RUST_TARGET_PATH="${WORKDIR}/targets/"
export FORCE_CRATE_HASH="${BB_TASKHASH}"
RUST_ALTERNATE_EXE_PATH ?= "${STAGING_LIBDIR}/llvm-rust/bin/llvm-config"
export YOCTO_ALTERNATE_EXE_PATH = "${RUST_ALTERNATE_EXE_PATH}"
export YOCTO_ALTERNATE_MULTILIB_NAME = "/${BASELIB}"
# 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 = "${RUST_BUILD_ARCH}-unknown-linux-gnu"
setup_cargo_environment () {
# The first step is to build bootstrap and some early stage tools,
# these are build for the same target as the snapshot, e.g.
# x86_64-unknown-linux-gnu.
# Later stages are build for the native target (i.e. target.x86_64-linux)
cargo_common_do_configure
printf '[target.%s]\n' "${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"
do_rust_setup_snapshot[vardepsexclude] += "UNINATIVE_LOADER"
python do_configure() {
import json
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-poky-linux]
target_section = "target.{}".format(d.getVar('TARGET_SYS', True))
config.add_section(target_section)
llvm_config = d.expand("${YOCTO_ALTERNATE_EXE_PATH}")
config.set(target_section, "llvm-config", e(llvm_config))
config.set(target_section, "cxx", e(d.expand("${RUST_TARGET_CXX}")))
config.set(target_section, "cc", e(d.expand("${RUST_TARGET_CC}")))
# If we don't do this rust-native will compile it's own llvm for BUILD.
# [target.${BUILD_ARCH}-unknown-linux-gnu]
target_section = "target.{}".format(d.getVar('SNAPSHOT_BUILD_SYS', True))
config.add_section(target_section)
config.set(target_section, "llvm-config", e(llvm_config))
config.set(target_section, "cxx", e(d.expand("${RUST_BUILD_CXX}")))
config.set(target_section, "cc", e(d.expand("${RUST_BUILD_CC}")))
# [rust]
config.add_section("rust")
config.set("rust", "rpath", e(True))
config.set("rust", "channel", e("stable"))
# Whether or not to optimize the compiler and standard library
config.set("rust", "optimize", e(True))
# [build]
config.add_section("build")
config.set("build", "submodules", e(False))
config.set("build", "docs", e(False))
rustc = d.expand("${WORKDIR}/rust-snapshot/bin/rustc")
config.set("build", "rustc", e(rustc))
# Support for the profiler runtime to generate e.g. coverage report,
# PGO etc.
config.set("build", "profiler", e(True))
cargo = d.expand("${WORKDIR}/rust-snapshot/bin/cargo")
config.set("build", "cargo", e(cargo))
config.set("build", "vendor", e(True))
if not "targets" in locals():
targets = [d.getVar("TARGET_SYS", True)]
config.set("build", "target", e(targets))
if not "hosts" in locals():
hosts = [d.getVar("HOST_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)))
# [install]
config.add_section("install")
# ./x.py install doesn't have any notion of "destdir"
# but we can prepend ${D} to all the directories instead
config.set("install", "prefix", e(d.getVar("D", True) + d.getVar("prefix", True)))
config.set("install", "bindir", e(d.getVar("D", True) + d.getVar("bindir", True)))
config.set("install", "libdir", e(d.getVar("D", True) + d.getVar("libdir", True)))
config.set("install", "datadir", e(d.getVar("D", True) + d.getVar("datadir", True)))
config.set("install", "mandir", e(d.getVar("D", True) + d.getVar("mandir", True)))
with open("config.toml", "w") as f:
f.write('changelog-seen = 2\n\n')
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
}
rust_do_install () {
mkdir -p ${D}${bindir}
cp build/${HOST_SYS}/stage2/bin/* ${D}${bindir}
mkdir -p ${D}${libdir}/rustlib
cp -pRd build/${HOST_SYS}/stage2/lib/* ${D}${libdir}
# Remove absolute symlink so bitbake doesn't complain
rm -f ${D}${libdir}/rustlib/src/rust
}
rust_install_targets() {
# Install our custom target.json files
local td="${D}${libdir}/rustlib/"
install -d "$td"
for tgt in "${WORKDIR}/targets/"* ; do
install -m 0644 "$tgt" "$td"
done
}
do_install () {
rust_do_install
rust_install_targets
}
# ex: sts=4 et sw=4 ts=8
|
