| 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)) |
| if thing is "TARGET": |
| # 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) |
| } |
| |
| # 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}" |
| |
| # 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" |