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meta-rust/classes/cargo.bbclass
Tyler Hall c83864ce19 rust-bin: get RUST_TARGET_PATH from rust-common
Since commit 06a138a ("rust: drop custom target finding patch"), rustc
is no longer self-sufficient in finding its target specifications. Any
usage of rustc needs RUST_TARGET_PATH set in the environment.

Move the declaration to rust-common.bbclass and add the export to
rust-bin where rustc is invoked.
2017-11-02 16:41:58 -04:00

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##
## Purpose:
## This class is used by any recipes that are built using
## Cargo.
inherit cargo_common
# the binary we will use
CARGO = "cargo"
# 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"
RUSTFLAGS ??= ""
CARGO_BUILD_FLAGS = "-v --target ${HOST_SYS} --release"
# This is based on the content of CARGO_BUILD_FLAGS and generally will need to
# change if CARGO_BUILD_FLAGS changes.
CARGO_TARGET_SUBDIR="${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 ${CARGO_BUILD_FLAGS} "$@"
}
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
case $tgt in
*.so|*.rlib)
install -d "${D}${rustlibdir}"
install -m755 "$tgt" "${D}${rustlibdir}"
have_installed=true
;;
*)
if [ -f "$tgt" ] && [ -x "$tgt" ]; then
install -d "${D}${bindir}"
install -m755 "$tgt" "${D}${bindir}"
have_installed=true
fi
;;
esac
done
if ! $have_installed; then
die "Did not find anything to install"
fi
}
EXPORT_FUNCTIONS do_compile do_install