require rust.inc inherit cross python do_rust_gen_targets () { wd = d.getVar('WORKDIR') + '/targets/' # It is important 'TARGET' is last here so that it overrides our less # informed choices for BUILD & HOST if TARGET happens to be the same as # either of them. for thing in ['BUILD', 'HOST', 'TARGET']: bb.debug(1, "rust_gen_target for " + thing) features = "" cpu = "generic" arch = d.getVar('{}_ARCH'.format(thing)) abi = "" if thing is "TARGET": abi = d.getVar('ABIEXTENSION') # arm and armv7 have different targets in llvm if arch == "arm" and target_is_armv7(d): arch = 'armv7' features = d.getVar('TARGET_LLVM_FEATURES') or "" cpu = d.getVar('TARGET_LLVM_CPU') rust_gen_target(d, thing, wd, features, cpu, arch, abi) } # Otherwise we'll depend on what we provide INHIBIT_DEFAULT_RUST_DEPS = "1" # Unlike native (which nicely maps it's DEPENDS) cross wipes them out completely. # Generally, we (and cross in general) need the same things that native needs, # so it might make sense to take it's mapping. For now, though, we just mention # the bits we need explicitly. DEPENDS += "rust-llvm-native" DEPENDS += "virtual/${TARGET_PREFIX}gcc virtual/${TARGET_PREFIX}compilerlibs virtual/libc" DEPENDS += "rust-native" PROVIDES = "virtual/${TARGET_PREFIX}rust" PN = "rust-cross-${TARGET_ARCH}-${TCLIBC}" # In the cross compilation case, rustc doesn't seem to get the rpath quite # right. It manages to include '../../lib/${TARGET_PREFIX}', but doesn't # include the '../../lib' (ie: relative path from cross_bindir to normal # libdir. As a result, we end up not being able to properly reference files in normal ${libdir}. # Most of the time this happens to work fine as the systems libraries are # subsituted, but sometimes a host system will lack a library, or the right # version of a library (libtinfo was how I noticed this). # # FIXME: this should really be fixed in rust itself. # FIXME: using hard-coded relative paths is wrong, we should ask bitbake for # the relative path between 2 of it's vars. HOST_POST_LINK_ARGS:append = " -Wl,-rpath=../../lib" BUILD_POST_LINK_ARGS:append = " -Wl,-rpath=../../lib" # We need the same thing for the calls to the compiler when building the runtime crap TARGET_CC_ARCH:append = " --sysroot=${STAGING_DIR_TARGET}" do_rust_setup_snapshot () { } do_configure () { } do_compile () { } do_install () { mkdir -p ${D}${prefix}/${base_libdir_native}/rustlib cp ${WORKDIR}/targets/${TARGET_SYS}.json ${D}${prefix}/${base_libdir_native}/rustlib } rust_cross_sysroot_preprocess() { sysroot_stage_dir ${D}${prefix}/${base_libdir_native}/rustlib ${SYSROOT_DESTDIR}${prefix}/${base_libdir_native}/rustlib } SYSROOT_PREPROCESS_FUNCS += "rust_cross_sysroot_preprocess"