Files
meta-rust/classes/cargo.bbclass
Doug Goldstein 0cccf8b25c cargo.bbclass: include CXXFLAGS for builds
If g++ is invoked when building native bits with cargo we need to
include CXXFLAGS.

Signed-off-by: Doug Goldstein <cardoe@cardoe.com>
2017-09-29 09:49:25 -05:00

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# add crate fetch support
inherit crate-fetch
inherit rust-common
# the binary we will use
CARGO = "cargo"
# Where we download our registry and dependencies to
export CARGO_HOME = "${WORKDIR}/cargo_home"
# We need cargo to compile for the target
BASEDEPENDS_append = " cargo-native"
# Ensure we get the right rust variant
DEPENDS_append_class-target = " virtual/${TARGET_PREFIX}rust ${RUSTLIB_DEP}"
DEPENDS_append_class-native = " rust-native"
# Cargo only supports in-tree builds at the moment
B = "${S}"
# In case something fails in the build process, give a bit more feedback on
# where the issue occured
export RUST_BACKTRACE = "1"
# The pkg-config-rs library used by cargo build scripts disables itself when
# cross compiling unless this is defined. We set up pkg-config appropriately
# for cross compilation, so tell it we know better than it.
export PKG_CONFIG_ALLOW_CROSS = "1"
cargo_do_configure () {
mkdir -p ${CARGO_HOME}
echo "paths = [" > ${CARGO_HOME}/config
for p in ${EXTRA_OECARGO_PATHS}; do
printf "\"%s\"\n" "$p"
done | sed -e 's/$/,/' >> ${CARGO_HOME}/config
echo "]" >> ${CARGO_HOME}/config
# Point cargo at our local mirror of the registry
cat <<- EOF >> ${CARGO_HOME}/config
[source.bitbake]
directory = "${CARGO_HOME}/bitbake"
[source.crates-io]
replace-with = "bitbake"
local-registry = "/nonexistant"
EOF
echo "[target.${HOST_SYS}]" >> ${CARGO_HOME}/config
echo "linker = '${RUST_TARGET_CCLD}'" >> ${CARGO_HOME}/config
if [ "${HOST_SYS}" != "${BUILD_SYS}" ]; then
echo "[target.${BUILD_SYS}]" >> ${CARGO_HOME}/config
echo "linker = '${RUST_BUILD_CCLD}'" >> ${CARGO_HOME}/config
fi
}
RUSTFLAGS ??= ""
CARGO_BUILD_FLAGS = "-v --target ${HOST_SYS} --release"
RUST_TARGET_PATH = "${STAGING_LIBDIR_NATIVE}/rustlib"
# This is based on the content of CARGO_BUILD_FLAGS and generally will need to
# change if CARGO_BUILD_FLAGS changes.
CARGO_TARGET_SUBDIR="${HOST_SYS}/release"
oe_cargo_build () {
export RUSTFLAGS="${RUSTFLAGS}"
export RUST_TARGET_PATH="${RUST_TARGET_PATH}"
bbnote "cargo = $(which ${CARGO})"
bbnote "rustc = $(which ${RUSTC})"
bbnote "${CARGO} build ${CARGO_BUILD_FLAGS} $@"
"${CARGO}" build ${CARGO_BUILD_FLAGS} "$@"
}
oe_cargo_fix_env () {
export CC="${RUST_TARGET_CC}"
export CXX="${RUST_TARGET_CXX}"
export CFLAGS="${CFLAGS}"
export CXXFLAGS="${CXXFLAGS}"
export AR="${AR}"
export TARGET_CC="${RUST_TARGET_CC}"
export TARGET_CXX="${RUST_TARGET_CXX}"
export TARGET_CFLAGS="${CFLAGS}"
export TARGET_CXXFLAGS="${CXXFLAGS}"
export TARGET_AR="${AR}"
export HOST_CC="${RUST_BUILD_CC}"
export HOST_CXX="${RUST_BUILD_CXX}"
export HOST_CFLAGS="${BUILD_CFLAGS}"
export HOST_CXXFLAGS="${BUILD_CXXFLAGS}"
export HOST_AR="${BUILD_AR}"
}
EXTRA_OECARGO_PATHS ??= ""
cargo_do_compile () {
oe_cargo_fix_env
oe_cargo_build
}
cargo_do_install () {
local have_installed=false
for tgt in "${B}/target/${CARGO_TARGET_SUBDIR}/"*; do
if [[ $tgt == *.so || $tgt == *.rlib ]]; then
install -d "${D}${rustlibdir}"
install -m755 "$tgt" "${D}${rustlibdir}"
have_installed=true
elif [ -f "$tgt" ] && [ -x "$tgt" ]; then
install -d "${D}${bindir}"
install -m755 "$tgt" "${D}${bindir}"
have_installed=true
fi
done
if ! $have_installed; then
die "Did not find anything to install"
fi
}
EXPORT_FUNCTIONS do_configure do_compile do_install