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meta-rust/classes/rust.bbclass

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RUSTC = "rustc"
# FIXME: --sysroot might be needed
RUSTC_ARCHFLAGS += "--target=${TARGET_SYS} -C rpath -C crate_hash=${BB_TASKHASH}"
def rust_base_dep(d):
# Taken from meta/classes/base.bbclass `base_dep_prepend` and modified to
# use rust instead of gcc
deps = ""
if not d.getVar('INHIBIT_DEFAULT_RUST_DEPS', True):
if (d.getVar('HOST_SYS', True) != d.getVar('BUILD_SYS', True)):
deps += " virtual/${TARGET_PREFIX}rust"
else:
deps += " rust-native"
return deps
DEPENDS_append = " ${@rust_base_dep(d)}"
def rust_base_triple(d, thing):
'''
Mangle bitbake's *_SYS into something that rust might support (see
rust/mk/cfg/* for a list)
Note that os is assumed to be some linux form
'''
arch = d.getVar('{}_ARCH'.format(thing), True)
vendor = d.getVar('{}_VENDOR'.format(thing), True)
os = d.getVar('{}_OS'.format(thing), True)
vendor = "-unknown"
if arch.startswith("arm"):
if os.endswith("gnueabi"):
os += bb.utils.contains('TUNE_FEATURES', 'callconvention-hard', 'hf', '', d)
elif arch.startswith("aarch64"):
os = "linux-gnu"
elif arch.startswith("x86_64"):
os = "linux-gnu"
elif arch.startswith("i586"):
arch = "i686"
os = "linux-gnu"
return arch + vendor + '-' + os
RUST_BUILD_SYS = "${@rust_base_triple(d, 'BUILD')}"
RUST_HOST_SYS = "${@rust_base_triple(d, 'HOST')}"
RUST_TARGET_SYS = "${@rust_base_triple(d, 'TARGET')}"
# BUILD_LDFLAGS
# ${STAGING_LIBDIR_NATIVE}
# ${STAGING_BASE_LIBDIR_NATIVE}
# BUILDSDK_LDFLAGS
# ${STAGING_LIBDIR}
# #{STAGING_DIR_HOST}
# TARGET_LDFLAGS ?????
#RUSTC_BUILD_LDFLAGS = "\
# --sysroot ${STAGING_DIR_NATIVE} \
# -L${STAGING_LIBDIR_NATIVE} \
# -L${STAGING_BASE_LIBDIR_NATIVE} \
#"
RUST_PATH_NATIVE = "${STAGING_LIBDIR_NATIVE}:${STAGING_BASE_LIBDIR_NATIVE}"
## Note: the 'rustlib' element of this was a workaround rustc forgetting the
## libdir it was built with. It now remembers so this should be unneeded
#RUST_PATH_NATIVE .= ":${STAGING_LIBDIR_NATIVE}/${TARGET_SYS}/rustlib/${TARGET_SYS}/lib"
# FIXME: set based on whether we are native vs cross vs buildsdk, etc
#export RUST_PATH ??= "${RUST_PATH_NATIVE}"
## This is builtin to rustc with the value "$libdir/rust/targets"
# RUST_TARGET_PATH = "foo:bar"
oe_runrustc () {
bbnote ${RUSTC} ${RUSTC_ARCHFLAGS} ${RUSTC_FLAGS} "$@"
"${RUSTC}" ${RUSTC_ARCHFLAGS} ${RUSTC_FLAGS} "$@"
}
# XXX: for some reason bitbake sets BUILD_* & TARGET_* but uses the bare
# variables for HOST. Alias things to make it easier for us.
HOST_LDFLAGS ?= "${LDFLAGS}"
HOST_CFLAGS ?= "${CFLAGS}"
HOST_CXXFLAGS ?= "${CXXFLAGS}"
HOST_CPPFLAGS ?= "${CPPFLAGS}"
EXTRA_OECONF_remove = "--disable-static"