| inherit rust |
| |
| RDEPENDS:${PN}:append:class-target = " ${RUSTLIB_DEP}" |
| |
| RUSTC_ARCHFLAGS += "-C opt-level=3 -g -L ${STAGING_DIR_HOST}/${rustlibdir} -C linker=${RUST_TARGET_CCLD}" |
| EXTRA_OEMAKE += 'RUSTC_ARCHFLAGS="${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 ?= "${S}/src/lib.rs" |
| |
| rustbindest ?= "${bindir}" |
| rustlibdest ?= "${rustlibdir}" |
| RUST_RPATH_ABS ?= "${rustlibdir}:${rustlib}" |
| |
| def relative_rpaths(paths, base): |
| relpaths = set() |
| for p in paths.split(':'): |
| if p == base: |
| relpaths.add('$ORIGIN') |
| continue |
| relpaths.add(os.path.join('$ORIGIN', os.path.relpath(p, base))) |
| return '-rpath=' + ':'.join(relpaths) if len(relpaths) else '' |
| |
| RUST_LIB_RPATH_FLAGS ?= "${@relative_rpaths(d.getVar('RUST_RPATH_ABS', True), d.getVar('rustlibdest', True))}" |
| RUST_BIN_RPATH_FLAGS ?= "${@relative_rpaths(d.getVar('RUST_RPATH_ABS', True), d.getVar('rustbindest', True))}" |
| |
| def libfilename(d): |
| if d.getVar('CRATE_TYPE', True) == 'dylib': |
| return d.getVar('LIBNAME', True) + '.so' |
| else: |
| return d.getVar('LIBNAME', True) + '.rlib' |
| |
| def link_args(d, bin): |
| linkargs = [] |
| if bin: |
| rpaths = d.getVar('RUST_BIN_RPATH_FLAGS', False) |
| else: |
| rpaths = d.getVar('RUST_LIB_RPATH_FLAGS', False) |
| if d.getVar('CRATE_TYPE', True) == 'dylib': |
| linkargs.append('-soname') |
| linkargs.append(libfilename(d)) |
| if len(rpaths): |
| linkargs.append(rpaths) |
| if len(linkargs): |
| return ' '.join(['-Wl,' + arg for arg in linkargs]) |
| else: |
| return '' |
| |
| 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 () { |
| export RUST_TARGET_PATH="${RUST_TARGET_PATH}" |
| bbnote ${RUSTC} ${RUSTC_ARCHFLAGS} ${RUSTC_FLAGS} "$@" |
| "${RUSTC}" ${RUSTC_ARCHFLAGS} ${RUSTC_FLAGS} "$@" |
| } |
| |
| oe_compile_rust_lib () { |
| rm -rf ${LIBNAME}.{rlib,so} |
| local -a link_args |
| if [ -n '${@link_args(d, False)}' ]; then |
| link_args[0]='-C' |
| link_args[1]='link-args=${@link_args(d, False)}' |
| fi |
| oe_runrustc $(get_overlap_externs) \ |
| "${link_args[@]}" \ |
| ${LIB_SRC} \ |
| -o ${@libfilename(d)} \ |
| --crate-name=${CRATE_NAME} --crate-type=${CRATE_TYPE} \ |
| "$@" |
| } |
| oe_compile_rust_lib[vardeps] += "get_overlap_externs" |
| |
| oe_compile_rust_bin () { |
| rm -rf ${BINNAME} |
| local -a link_args |
| if [ -n '${@link_args(d, True)}' ]; then |
| link_args[0]='-C' |
| link_args[1]='link-args=${@link_args(d, True)}' |
| fi |
| oe_runrustc $(get_overlap_externs) \ |
| "${link_args[@]}" \ |
| ${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 ${D}/${rustlibdest}/$lib |
| done |
| } |
| |
| oe_install_rust_bin () { |
| echo Installing ${BINNAME} |
| install -D -m 755 ${BINNAME} ${D}/${rustbindest}/${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 |
| } |
| PACKAGE_PREPROCESS_FUNCS += "do_rust_bin_fixups" |
| |