SUMMARY = "Rust standard libaries" HOMEPAGE = "http://www.rust-lang.org" SECTION = "devel" LICENSE = "(MIT | Apache-2.0) & Unicode-TOU" LIC_FILES_CHKSUM = "file://../../COPYRIGHT;md5=c2cccf560306876da3913d79062a54b9" require rust-source.inc # Building with library/std omits proc_macro from the sysroot. Using # library/test causes that to be installed which then allows cargo to # build (https://github.com/meta-rust/meta-rust/issues/266) S = "${RUSTSRC}/library/test" RUSTLIB_DEP = "" inherit cargo DEPENDS:append:libc-musl = " libunwind" # rv32 does not have libunwind ported yet DEPENDS:remove:riscv32 = "libunwind" DEPENDS:remove:riscv64 = "libunwind" # Embed bitcode in order to allow compiling both with and without LTO RUSTFLAGS += "-Cembed-bitcode=yes" # Needed so cargo can find libbacktrace RUSTFLAGS += "-L ${STAGING_LIBDIR} -C link-arg=-Wl,-soname,libstd.so" CARGO_FEATURES ?= "panic-unwind backtrace" CARGO_BUILD_FLAGS += "--features '${CARGO_FEATURES}'" CARGO_VENDORING_DIRECTORY = "${RUSTSRC}/vendor" do_compile:prepend () { export CARGO_TARGET_DIR="${B}" # For Rust 1.13.0 and newer export RUSTC_BOOTSTRAP="1" } do_install () { mkdir -p ${D}${rustlibdir} # With the incremental build support added in 1.24, the libstd deps directory also includes dependency # files that get installed. Those are really only needed to incrementally rebuild the libstd library # itself and don't need to be installed. rm -f ${B}/${RUST_TARGET_SYS}/${BUILD_DIR}/deps/*.d cp ${B}/${RUST_TARGET_SYS}/${BUILD_DIR}/deps/* ${D}${rustlibdir} } BBCLASSEXTEND = "nativesdk" # Since 1.70.0 upgrade this fails to build with gold: # http://errors.yoctoproject.org/Errors/Details/708194/ # ld: error: version script assignment of to symbol __rust_alloc_error_handler_should_panic failed: symbol not defined LDFLAGS:append = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-gold', ' -fuse-ld=bfd', '', d)}"