##
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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 = "${WORKDIR}/cargo_home"
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# The pkg-config-rs library used by cargo build scripts disables itself when
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# cross compiling unless this is defined. We set up pkg-config appropriately
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# for cross compilation, so tell it we know better than it.
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export PKG_CONFIG_ALLOW_CROSS = "1"
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# Don't instruct cargo to use crates downloaded by bitbake. Some rust packages,
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# for example the rust compiler itself, come with their own vendored sources.
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# Specifying two [source.crates-io] will not work.
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CARGO_DISABLE_BITBAKE_VENDORING ?= "0"
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# Used by libstd-rs to point to the vendor dir included in rustc src
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CARGO_VENDORING_DIRECTORY ?= "${CARGO_HOME}/bitbake"
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CARGO_RUST_TARGET_CCLD ?= "${RUST_TARGET_CCLD}"
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cargo_common_do_configure () {
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mkdir -p ${CARGO_HOME}/bitbake
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cat <<- EOF > ${CARGO_HOME}/config
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# EXTRA_OECARGO_PATHS
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paths = [
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$(for p in ${EXTRA_OECARGO_PATHS}; do echo \"$p\",; done)
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]
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EOF
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cat <<- EOF >> ${CARGO_HOME}/config
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# Local mirror vendored by bitbake
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[source.bitbake]
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directory = "${CARGO_VENDORING_DIRECTORY}"
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EOF
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if [ -z "${EXTERNALSRC}" ] && [ ${CARGO_DISABLE_BITBAKE_VENDORING} = "0" ]; then
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cat <<- EOF >> ${CARGO_HOME}/config
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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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fi
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cat <<- EOF >> ${CARGO_HOME}/config
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[http]
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# Multiplexing can't be enabled because http2 can't be enabled
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# in curl-native without dependency loops
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multiplexing = false
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# Ignore the hard coded and incorrect path to certificates
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cainfo = "${STAGING_ETCDIR_NATIVE}/ssl/certs/ca-certificates.crt"
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EOF
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cat <<- EOF >> ${CARGO_HOME}/config
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# HOST_SYS
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[target.${HOST_SYS}]
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linker = "${CARGO_RUST_TARGET_CCLD}"
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EOF
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if [ "${HOST_SYS}" != "${BUILD_SYS}" ]; then
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cat <<- EOF >> ${CARGO_HOME}/config
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# BUILD_SYS
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[target.${BUILD_SYS}]
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linker = "${RUST_BUILD_CCLD}"
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EOF
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fi
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# Put build output in build directory preferred by bitbake instead of
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# inside source directory unless they are the same
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if [ "${B}" != "${S}" ]; then
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cat <<- EOF >> ${CARGO_HOME}/config
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[build]
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# Use out of tree build destination to avoid poluting the source tree
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target-dir = "${B}/target"
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EOF
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fi
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cat <<- EOF >> ${CARGO_HOME}/config
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[term]
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progress.when = 'always'
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progress.width = 80
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EOF
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}
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oe_cargo_fix_env () {
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export CC="${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="${CFLAGS}"
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export TARGET_CXXFLAGS="${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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