Files
meta-rust/classes/rust-bin.bbclass
Steven Walter 1eb86e935c rust-bin: fix recent breakage
The crate_hash flag is no longer accepted on rust 1.14.  Additionally,
due to the use of wrapper scripts by cargo, we were no longer able to
link correctly due to some link flags getting dropped.  Fix that as well
2017-02-02 10:02:11 -05:00

113 lines
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inherit rust
DEPENDS_append = " patchelf-native"
RDEPENDS_${PN} += "${RUSTLIB_DEP}"
RUSTC_ARCHFLAGS += "-C opt-level=3 -g -L ${STAGING_DIR_HOST}/${rustlibdir} -C link-args=--sysroot=${STAGING_DIR_HOST}"
EXTRA_OEMAKE += 'RUSTC_ARCHFLAGS="${RUSTC_ARCHFLAGS}"'
# Some libraries alias with the standard library but libstd is configured to
# make it difficult or imposisble to use its version. Unfortunately libstd
# must be explicitly overridden using extern.
OVERLAP_LIBS = "\
libc \
log \
getopts \
rand \
"
def get_overlap_deps(d):
deps = d.getVar("DEPENDS").split()
overlap_deps = []
for o in d.getVar("OVERLAP_LIBS").split():
l = len([o for dep in deps if (o + '-rs' in dep)])
if l > 0:
overlap_deps.append(o)
return " ".join(overlap_deps)
OVERLAP_DEPS = "${@get_overlap_deps(d)}"
# Prevents multiple static copies of standard library modules
# See https://github.com/rust-lang/rust/issues/19680
RUSTC_PREFER_DYNAMIC = "-C prefer-dynamic"
RUSTC_FLAGS += "${RUSTC_PREFER_DYNAMIC}"
CRATE_NAME ?= "${@d.getVar('BPN').replace('-rs', '').replace('-', '_')}"
BINNAME ?= "${BPN}"
LIBNAME ?= "lib${CRATE_NAME}-rs"
CRATE_TYPE ?= "dylib"
BIN_SRC ?= "${S}/src/main.rs"
LIB_SRC ?= "${S}/src/lib.rs"
get_overlap_externs () {
externs=
for dep in ${OVERLAP_DEPS}; do
extern=$(ls ${STAGING_DIR_HOST}/${rustlibdir}/lib$dep-rs.{so,rlib} 2>/dev/null \
| awk '{print $1}');
if [ -n "$extern" ]; then
externs="$externs --extern $dep=$extern"
else
echo "$dep in depends but no such library found in ${rustlibdir}!" >&2
exit 1
fi
done
echo "$externs"
}
do_configure () {
}
oe_runrustc () {
bbnote ${RUSTC} ${RUSTC_ARCHFLAGS} ${RUSTC_FLAGS} "$@"
"${RUSTC}" ${RUSTC_ARCHFLAGS} ${RUSTC_FLAGS} "$@"
}
oe_compile_rust_lib () {
[ "${CRATE_TYPE}" == "dylib" ] && suffix=so || suffix=rlib
rm -rf ${LIBNAME}.{rlib,so}
local -a link_args
if [ "${CRATE_TYPE}" == "dylib" ]; then
link_args[0]="-C"
link_args[1]="link-args=-Wl,-soname -Wl,${LIBNAME}.$suffix"
fi
oe_runrustc $(get_overlap_externs) \
"${link_args[@]}" \
${LIB_SRC} \
-o ${LIBNAME}.$suffix \
--crate-name=${CRATE_NAME} --crate-type=${CRATE_TYPE} \
"$@"
}
oe_compile_rust_lib[vardeps] += "get_overlap_externs"
oe_compile_rust_bin () {
rm -rf ${BINNAME}
oe_runrustc $(get_overlap_externs) ${BIN_SRC} -o ${BINNAME} "$@"
}
oe_compile_rust_bin[vardeps] += "get_overlap_externs"
oe_install_rust_lib () {
for lib in $(ls ${LIBNAME}.{so,rlib} 2>/dev/null); do
echo Installing $lib
install -D -m 755 $lib ${D}/${rustlibdir}/$lib
done
}
oe_install_rust_bin () {
echo Installing ${BINNAME}
install -D -m 755 ${BINNAME} ${D}/${bindir}/${BINNAME}
}
do_rust_bin_fixups() {
for f in `find ${PKGD} -name '*.so*'`; do
echo "Strip rust note: $f"
${OBJCOPY} -R .note.rustc $f $f
done
for f in `find ${PKGD}`; do
file "$f" | grep -q ELF || continue
readelf -d "$f" | grep RUNPATH | grep -q rustlib || continue
echo "Set rpath:" "$f"
patchelf --set-rpath '$ORIGIN:'${rustlibdir}:${rustlib} "$f"
done
}
PACKAGE_PREPROCESS_FUNCS += "do_rust_bin_fixups"