e31d252eb0
rustbuild is a cargo based way to build Rust but all of our helper bits in cargo.bbclass would create a chicken/egg issue with dependencies since we pull down pre-built binaries and use those for boot strapping.
71 lines
2.0 KiB
Plaintext
71 lines
2.0 KiB
Plaintext
##
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## Purpose:
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## This class is to support building with cargo. It
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## must be different than cargo.bbclass because Rust
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## now builds with Cargo but cannot use cargo.bbclass
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## due to dependencies and assumptions in cargo.bbclass
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## that Rust & Cargo are already installed. So this
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## is used by cargo.bbclass and Rust
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##
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# add crate fetch support
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inherit crate-fetch
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inherit rust-common
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# Where we download our registry and dependencies to
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export CARGO_HOME = "${WORKDIR}/cargo_home"
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# The pkg-config-rs library used by cargo build scripts disables itself when
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# cross compiling unless this is defined. We set up pkg-config appropriately
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# for cross compilation, so tell it we know better than it.
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export PKG_CONFIG_ALLOW_CROSS = "1"
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cargo_common_do_configure () {
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mkdir -p ${CARGO_HOME}
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echo "paths = [" > ${CARGO_HOME}/config
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for p in ${EXTRA_OECARGO_PATHS}; do
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printf "\"%s\"\n" "$p"
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done | sed -e 's/$/,/' >> ${CARGO_HOME}/config
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echo "]" >> ${CARGO_HOME}/config
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# Point cargo at our local mirror of the registry
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cat <<- EOF >> ${CARGO_HOME}/config
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[source.bitbake]
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directory = "${CARGO_HOME}/bitbake"
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[source.crates-io]
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replace-with = "bitbake"
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local-registry = "/nonexistant"
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EOF
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echo "[target.${HOST_SYS}]" >> ${CARGO_HOME}/config
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echo "linker = '${RUST_TARGET_CCLD}'" >> ${CARGO_HOME}/config
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if [ "${HOST_SYS}" != "${BUILD_SYS}" ]; then
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echo "[target.${BUILD_SYS}]" >> ${CARGO_HOME}/config
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echo "linker = '${RUST_BUILD_CCLD}'" >> ${CARGO_HOME}/config
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fi
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}
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oe_cargo_fix_env () {
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export CC="${RUST_TARGET_CC}"
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export CXX="${RUST_TARGET_CXX}"
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export CFLAGS="${CFLAGS}"
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export CXXFLAGS="${CXXFLAGS}"
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export AR="${AR}"
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export TARGET_CC="${RUST_TARGET_CC}"
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export TARGET_CXX="${RUST_TARGET_CXX}"
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export TARGET_CFLAGS="${CFLAGS}"
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export TARGET_CFLAGS="${CXXFLAGS}"
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export TARGET_AR="${AR}"
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export HOST_CC="${RUST_BUILD_CC}"
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export HOST_CXX="${RUST_BUILD_CXX}"
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export HOST_CFLAGS="${BUILD_CFLAGS}"
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export HOST_CXXFLAGS="${BUILD_CXXFLAGS}"
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export HOST_AR="${BUILD_AR}"
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}
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EXTRA_OECARGO_PATHS ??= ""
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EXPORT_FUNCTIONS do_configure
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