Files
meta-rust/classes/cargo.bbclass
Johan Anderholm 0025cebb12 Fix *-native cargo builds
Normally all *-native packages needs to depend on cargo-native in order
to be able to use cargo. When building cargo-native however, this is not
available and we use a snapshot.

Fixes #302.
2021-02-08 16:04:39 +01:00

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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 ${RUSTLIB_DEP}"
DEPENDS_append_class-native = " rust-native"
# Enable build separation
B = "${WORKDIR}/build"
# In case something fails in the build process, give a bit more feedback on
# where the issue occured
export RUST_BACKTRACE = "1"
# Assume there's a Cargo.toml directly in the source directory
MANIFEST_PATH ??= "${S}/Cargo.toml"
RUSTFLAGS ??= ""
BUILD_MODE = "${@['--release', ''][d.getVar('DEBUG_BUILD') == '1']}"
CARGO_BUILD_FLAGS = "-v --target ${HOST_SYS} ${BUILD_MODE} --manifest-path=${MANIFEST_PATH}"
# This is based on the content of CARGO_BUILD_FLAGS and generally will need to
# change if CARGO_BUILD_FLAGS changes.
BUILD_DIR = "${@['release', 'debug'][d.getVar('DEBUG_BUILD') == '1']}"
CARGO_TARGET_SUBDIR="${HOST_SYS}/${BUILD_DIR}"
oe_cargo_build () {
export RUSTFLAGS="${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