634498e0ac
Redid how compiler-rt is built by using the Rust makefiles to build it instead of compiler-rt's build system. Rust itself deviated from using compiler-rt's build system and provided their own rules requiring the source tree to be configured to use them.
51 lines
2.0 KiB
BlitzBasic
51 lines
2.0 KiB
BlitzBasic
require rust.inc
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inherit cross
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require rust-source-${PV}.inc
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# Otherwise we'll depend on what we provide
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INHIBIT_DEFAULT_RUST_DEPS = "1"
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# Unlike native (which nicely maps it's DEPENDS) cross wipes them out completely.
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# Generally, we (and cross in general) need the same things that native needs,
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# so it might make sense to take it's mapping. For now, though, we just mention
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# the bits we need explicitly.
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DEPENDS += "rust-llvm-native"
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DEPENDS += "virtual/${TARGET_PREFIX}gcc virtual/${TARGET_PREFIX}compilerlibs virtual/libc"
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DEPENDS += "rust-native"
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PROVIDES = "virtual/${TARGET_PREFIX}rust"
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PN = "rust-cross-${TARGET_ARCH}"
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# In the cross compilation case, rustc doesn't seem to get the rpath quite
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# right. It manages to include '../../lib/${TARGET_PREFIX}', but doesn't
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# include the '../../lib' (ie: relative path from cross_bindir to normal
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# libdir. As a result, we end up not being able to properly reference files in normal ${libdir}.
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# Most of the time this happens to work fine as the systems libraries are
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# subsituted, but sometimes a host system will lack a library, or the right
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# version of a library (libtinfo was how I noticed this).
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#
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# FIXME: this should really be fixed in rust itself.
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# FIXME: using hard-coded relative paths is wrong, we should ask bitbake for
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# the relative path between 2 of it's vars.
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HOST_POST_LINK_ARGS_append = " -Wl,-rpath=../../lib"
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BUILD_POST_LINK_ARGS_append = " -Wl,-rpath=../../lib"
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# We need the same thing for the calls to the compiler when building the runtime crap
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TARGET_CC_ARCH_append = " --sysroot=${STAGING_DIR_TARGET}"
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do_configure () {
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}
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do_compile () {
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}
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do_install () {
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mkdir -p ${D}${prefix}/${base_libdir_native}/rustlib
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cp ${WORKDIR}/targets/${TARGET_SYS}.json ${D}${prefix}/${base_libdir_native}/rustlib
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}
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rust_cross_sysroot_preprocess() {
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sysroot_stage_dir ${D}${prefix}/${base_libdir_native}/rustlib ${SYSROOT_DESTDIR}${prefix}/${base_libdir_native}/rustlib
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}
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SYSROOT_PREPROCESS_FUNCS += "rust_cross_sysroot_preprocess"
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