1SUMMARY = "Rust standard libaries" 2HOMEPAGE = "http://www.rust-lang.org" 3SECTION = "devel" 4LICENSE = "(MIT | Apache-2.0) & Unicode-TOU" 5LIC_FILES_CHKSUM = "file://../../COPYRIGHT;md5=c2cccf560306876da3913d79062a54b9" 6 7require rust-source.inc 8 9# The dummy crate named `sysroot` represents the standard library target. 10# 11# See fd4c81f4c19e ("Add a `sysroot` crate to represent the standard library crates") 12# https://github.com/rust-lang/rust/pull/108865/ 13S = "${RUSTSRC}/library/sysroot" 14 15RUSTLIB_DEP = "" 16inherit cargo 17 18CVE_PRODUCT = "rust" 19 20DEPENDS:append:libc-musl = " libunwind" 21# rv32 does not have libunwind ported yet 22DEPENDS:remove:riscv32 = "libunwind" 23DEPENDS:remove:riscv64 = "libunwind" 24 25# Embed bitcode in order to allow compiling both with and without LTO 26RUSTFLAGS += "-Cembed-bitcode=yes" 27# Needed so cargo can find libbacktrace 28RUSTFLAGS += "-L ${STAGING_LIBDIR} -C link-arg=-Wl,-soname,libstd.so" 29 30CARGO_FEATURES ?= "panic-unwind backtrace" 31CARGO_BUILD_FLAGS += "--features '${CARGO_FEATURES}'" 32CARGO_VENDORING_DIRECTORY = "${RUSTSRC}/vendor" 33 34do_compile:prepend () { 35 export CARGO_TARGET_DIR="${B}" 36 # For Rust 1.13.0 and newer 37 export RUSTC_BOOTSTRAP="1" 38} 39 40do_install () { 41 mkdir -p ${D}${rustlibdir} 42 43 # With the incremental build support added in 1.24, the libstd deps directory also includes dependency 44 # files that get installed. Those are really only needed to incrementally rebuild the libstd library 45 # itself and don't need to be installed. 46 rm -f ${B}/${RUST_TARGET_SYS}/${BUILD_DIR}/deps/*.d 47 cp ${B}/${RUST_TARGET_SYS}/${BUILD_DIR}/deps/* ${D}${rustlibdir} 48} 49 50BBCLASSEXTEND = "nativesdk" 51 52# Since 1.70.0 upgrade this fails to build with gold: 53# http://errors.yoctoproject.org/Errors/Details/708194/ 54# ld: error: version script assignment of to symbol __rust_alloc_error_handler_should_panic failed: symbol not defined 55LDFLAGS += "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-gold', '-fuse-ld=bfd', '', d)}" 56