Add a new rust-cross package that will be different for each TARGET_ARCH
Signed-off-by: Derek Straka <derek@asterius.io>
This commit is contained in:
Derek Straka
@@ -0,0 +1,11 @@
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lude/llvm/CodeGen/CommandFlags.h.orig 2016-01-18 19:18:03.847470845 +0000
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+++ llvm/include/llvm/CodeGen/CommandFlags.h 2016-01-18 19:18:11.211408270 +0000
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@@ -21,7 +21,7 @@
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#include "llvm/IR/Intrinsics.h"
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#include "llvm/IR/Module.h"
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#include "llvm/MC/MCTargetOptionsCommandFlags.h"
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-#include "llvm//MC/SubtargetFeature.h"
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+#include "llvm/MC/SubtargetFeature.h"
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#include "llvm/Support/CodeGen.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/Host.h"
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@@ -0,0 +1,44 @@
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require rust.inc
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inherit cross
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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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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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# cross.bbclass is "helpful" and overrides our do_install. Tell it not to.
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do_install () {
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rust_do_install
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}
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# using host-strip on target .so files generated by this recipie causes build errors.
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# for now, disable stripping.
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# A better (but more complex) approach would be to mimic gcc-runtime and build
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# the target.so files in a seperate .bb file.
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INHIBIT_PACKAGE_STRIP = "1"
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INHIBIT_SYSROOT_STRIP = "1"
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@@ -5,6 +5,8 @@ LICENSE = "NCSA"
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S .= "/src/llvm"
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SRC_URI_append = "file://rust-llvm/0000-rust-llvm-remove-extra-slash.patch"
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inherit autotools
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EXTRA_OECONF += "--enable-targets=x86,x86_64,arm,aarch64,mips,powerpc"
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@@ -18,12 +20,21 @@ EXTRA_OECONF += "--disable-libffi"
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EXTRA_OECONF += "--enable-keep-symbols"
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PACKAGES += "${PN}-data"
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# Add the extra locations to avoid the complaints about unpackaged files
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FILES_${PN}-data = "${datadir}"
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FILES_${PN}-dev += "${libdir}"
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do_install_append () {
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# Remove the debug info (>2 GB) as part of normal operation
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rm -rf ${D}${bindir}/.debug
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cd ${D}${bindir}
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ln -s *-llc llc
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for i in *-llvm-*; do
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link=$(echo $i | sed -e 's/.*-llvm-\(.*\)/\1/')
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ln -s $i llvm-$link
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ln -sf $i llvm-$link
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done
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}
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+2
-446
@@ -1,454 +1,10 @@
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inherit rust
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inherit rust-installer
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require rust-shared-source.inc
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require rust-snapshot-2015-08-11.inc
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require rust.inc
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LIC_FILES_CHKSUM ="file://COPYRIGHT;md5=eb87dba71cb424233bcce88db3ae2f1a"
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SUMMARY = "Rust compiler and runtime libaries"
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HOMEPAGE = "http://www.rust-lang.org"
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SECTION = "devel"
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B = "${WORKDIR}/build"
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DEPENDS += "file-native"
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DEPENDS += "rust-llvm"
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# Avoid having the default bitbake.conf disable sub-make parallelization
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EXTRA_OEMAKE = ""
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PACKAGECONFIG ??= ""
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# Controls whether we use the local rust to build.
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# By default, we use the rust-snapshot. In some cases (non-supported host
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# systems) this may not be possible. In other cases, it might be desirable
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# to have rust-cross built using rust-native.
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PACKAGECONFIG[local-rust] = ""
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SRC_URI += "${@bb.utils.contains('PACKAGECONFIG', 'local-rust', '', 'https://static.rust-lang.org/stage0-snapshots/${RUST_SNAPSHOT};unpack=0;name=rust-snapshot', d)}"
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# We generate local targets, and need to be able to locate them
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export RUST_TARGET_PATH="${WORKDIR}/targets/"
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export FORCE_CRATE_HASH="${BB_TASKHASH}"
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## arm-unknown-linux-gnueabihf
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DATA_LAYOUT[arm] = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:64-n32"
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LLVM_TARGET[arm] = "${RUST_TARGET_SYS}"
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TARGET_ENDIAN[arm] = "little"
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TARGET_POINTER_WIDTH[arm] = "32"
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FEATURES[arm] = "+v6,+vfp2"
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PRE_LINK_ARGS[arm] = "-Wl,--as-needed"
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DATA_LAYOUT[aarch64] = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-n32:64-S128"
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LLVM_TARGET[aarch64] = "aarch64-unknown-linux-gnu"
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TARGET_ENDIAN[aarch64] = "little"
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TARGET_POINTER_WIDTH[aarch64] = "64"
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PRE_LINK_ARGS[aarch64] = "-Wl,--as-needed"
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## x86_64-unknown-linux-gnu
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DATA_LAYOUT[x86_64] = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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LLVM_TARGET[x86_64] = "x86_64-unknown-linux-gnu"
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TARGET_ENDIAN[x86_64] = "little"
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TARGET_POINTER_WIDTH[x86_64] = "64"
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PRE_LINK_ARGS[x86_64] = "-Wl,--as-needed -m64"
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## i686-unknown-linux-gnu
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DATA_LAYOUT[i686] = "e-p:32:32-f64:32:64-i64:32:64-f80:32:32-n8:16:32"
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LLVM_TARGET[i686] = "i686-unknown-linux-gnu"
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TARGET_ENDIAN[i686] = "little"
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TARGET_POINTER_WIDTH[i686] = "32"
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PRE_LINK_ARGS[i686] = "-Wl,--as-needed -m32"
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## XXX: a bit of a hack so qemux86 builds, clone of i686-unknown-linux-gnu above
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DATA_LAYOUT[i586] = "e-p:32:32-f64:32:64-i64:32:64-f80:32:32-n8:16:32"
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LLVM_TARGET[i586] = "i586-unknown-linux-gnu"
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TARGET_ENDIAN[i586] = "little"
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TARGET_POINTER_WIDTH[i586] = "32"
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PRE_LINK_ARGS[i586] = "-Wl,--as-needed -m32"
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# enable-new-dtags causes rpaths to be inserted as DT_RUNPATH (as well as
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# DT_RPATH), which lets LD_LIBRARY_PATH override them
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RPATH_LDFLAGS = "-Wl,--enable-new-dtags"
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TARGET_PRE_LINK_ARGS = "${RPATH_LDFLAGS} ${TARGET_CC_ARCH} ${TOOLCHAIN_OPTIONS}"
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BUILD_PRE_LINK_ARGS = "${RPATH_LDFLAGS} ${BUILD_CC_ARCH} ${TOOLCHAIN_OPTIONS}"
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HOST_PRE_LINK_ARGS = "${RPATH_LDFLAGS} ${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS}"
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# These LDFLAGS have '-L' options in them. We need these to come last so they
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# don't screw up the link order and pull in the wrong rust build/version.
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# TODO: may want to strip out all the '-L' flags entirely here
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TARGET_POST_LINK_ARGS = "${TARGET_LDFLAGS}"
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BUILD_POST_LINK_ARGS = "${BUILD_LDFLAGS}"
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HOST_POST_LINK_ARGS = "${HOST_LDFLAGS}"
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def arch_for(d, thing):
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return d.getVar('{}_ARCH'.format(thing), True)
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def sys_for(d, thing):
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return d.getVar('{}_SYS'.format(thing), True)
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def prefix_for(d, thing):
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return d.getVar('{}_PREFIX'.format(thing), True)
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## Note: TOOLCHAIN_OPTIONS is set to "" by native.bbclass and cross.bbclass,
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## which prevents us from grabbing them when building a cross compiler (native doesn't matter).
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## We workaround this in internal-rust-cross.bbclass.
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def cflags_for(d, thing):
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cc_arch = d.getVar('{}_CC_ARCH'.format(thing), True) or ""
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flags = d.getVar('{}_CFLAGS'.format(thing), True) or ""
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tc = d.getVar('TOOLCHAIN_OPTIONS', True) or ""
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return ' '.join([cc_arch, flags, tc])
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def cxxflags_for(d, thing):
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cc_arch = d.getVar('{}_CC_ARCH'.format(thing), True) or ""
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flags = d.getVar('{}_CXXFLAGS'.format(thing), True) or ""
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tc = d.getVar('TOOLCHAIN_OPTIONS', True) or ""
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return ' '.join([cc_arch, flags, tc])
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# Convert a normal arch (HOST_ARCH, TARGET_ARCH, BUILD_ARCH, etc) to something
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# rust's internals won't choke on.
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def arch_to_rust_target_arch(arch):
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if arch == "i586" or arch == "i686":
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return "x86"
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else:
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return arch
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def as_json(list_):
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a = '['
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for e in list_:
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if type(e) == str:
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a += '"{}",'.format(e)
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else:
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raise Exception
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if len(list_):
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a = a[:-1]
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a += ']'
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return a
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def post_link_args_for(d, thing, arch):
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post_link_args = (d.getVar('{}_POST_LINK_ARGS'.format(thing), True) or "").split()
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post_link_args.extend((d.getVarFlag('POST_LINK_ARGS', arch, True) or "").split())
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return post_link_args
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def pre_link_args_for(d, thing, arch):
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ldflags = (d.getVar('{}_PRE_LINK_ARGS'.format(thing), True) or "").split()
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ldflags.extend((d.getVarFlag('PRE_LINK_ARGS', arch, True) or "").split())
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return ldflags
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def ldflags_for(d, thing, arch):
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a = pre_link_args_for(d, thing, arch)
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a.extend(post_link_args_for(d, thing, arch))
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return a
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def rust_gen_target(d, thing, wd):
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arch = arch_for(d, thing)
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sys = sys_for(d, thing)
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prefix = prefix_for(d, thing)
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o = open(wd + sys + '.json', 'w')
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data_layout = d.getVarFlag('DATA_LAYOUT', arch, True)
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if not data_layout:
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bb.utils.fatal("DATA_LAYOUT[{}] required but not set for {}".format(arch, thing))
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llvm_target = d.getVarFlag('LLVM_TARGET', arch, True)
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target_pointer_width = d.getVarFlag('TARGET_POINTER_WIDTH', arch, True)
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endian = d.getVarFlag('TARGET_ENDIAN', arch, True)
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prefix = d.getVar('{}_PREFIX'.format(thing), True)
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ccache = d.getVar('CCACHE', True)
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linker = "{}{}gcc".format(ccache, prefix)
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objcopy = "{}objcopy".format(prefix)
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features = d.getVarFlag('FEATURES', arch, True) or ""
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pre_link_args = pre_link_args_for(d, thing, arch)
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post_link_args = post_link_args_for(d, thing, arch)
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o.write('''{{
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"data-layout": "{}",
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"llvm-target": "{}",
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"target-endian": "{}",
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"target-word-size": "{}",
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"target-pointer-width": "{}",
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"arch": "{}",
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"os": "linux",
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"linker": "{}",
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"objcopy": "{}",
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"features": "{}",
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"dynamic-linking": true,
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"executables": true,
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"morestack": true,
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"linker-is-gnu": true,
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"has-rpath": true,
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"position-independent-executables": true,
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"pre-link-args": {},
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"post-link-args": {}
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}}'''.format(
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data_layout,
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llvm_target,
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endian,
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target_pointer_width,
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target_pointer_width,
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arch_to_rust_target_arch(arch),
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linker,
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objcopy,
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features,
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as_json(pre_link_args),
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as_json(post_link_args),
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))
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o.close()
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python do_rust_gen_targets () {
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wd = d.getVar('WORKDIR', True) + '/targets/'
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try:
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os.makedirs(wd)
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except OSError as e:
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if e.errno != 17:
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raise e
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for thing in ['BUILD', 'HOST', 'TARGET']:
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bb.debug(1, "rust_gen_target for " + thing)
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rust_gen_target(d, thing, wd)
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}
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addtask rust_gen_targets after do_patch before do_compile
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def rust_gen_mk_cfg(d, thing):
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''''
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Rust's build system adds support for new archs via 2 things:
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1. a file in mk/cfg which defines how the runtime libraries are built
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2. and rustc arch definition either built into the compiler or supplied as a .json file
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This generates a new #1 for the given 'thing' (one of HOST, TARGET, BUILD)
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using a "similar" config that rust already supplies as a template.
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Note that the configure process also depends on the existence of #1, so we
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have to run this before do_configure
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'''
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import shutil, subprocess
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import errno
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import os
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def mkdir_p(path):
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try:
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os.makedirs(path)
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except OSError as exc: # Python >2.5
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if exc.errno == errno.EEXIST and os.path.isdir(path):
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pass
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else:
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raise
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rust_base_sys = rust_base_triple(d, thing)
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arch = arch_for(d, thing)
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sys = sys_for(d, thing)
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prefix = prefix_for(d, thing)
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llvm_target = d.getVarFlag('LLVM_TARGET', arch, True)
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ldflags = ' '.join(ldflags_for(d, thing, arch))
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b = d.getVar('B', True) + '/mk-cfg/'
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mkdir_p(b)
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o = open(b + sys_for(d, thing) + '.mk', 'w')
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i = open(d.getVar('S', True) + '/mk/cfg/' + rust_base_sys + '.mk', 'r')
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r = subprocess.call(['sed',
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# update all triplets to the new one
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'-e', 's/{}/{}/g'.format(rust_base_sys, sys),
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# Replace tools with our own (CROSS_PREFIX is appended to all tools
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# by rust's build system). We delete and then insert this because not
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# all targets define it.
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'-e', 's/^CROSS_PREFIX_{}.*$//'.format(sys),
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'-e', '2 a CROSS_PREFIX_{} := {}'.format(sys, prefix),
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'-e', 's/^CFG_LLVM_TARGET_.*$//',
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'-e', '2 a CFG_LLVM_TARGET_{} := {}'.format(sys, llvm_target),
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'-e', 's/^CC_{}=.*$/CC_{} := gcc/'.format(sys, sys),
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'-e', 's/^CXX_{}.*$/CXX_{} := g++/'.format(sys, sys),
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'-e', 's/^CPP_{}.*$/CPP_{} := gcc -E/'.format(sys, sys),
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'-e', 's/^AR_{}.*$/AR_{} := ar/'.format(sys, sys),
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# Some targets don't have LINK even though it is required to build.
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'-e', 's/^LINK_{}.*$//'.format(sys),
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'-e', '2 a LINK_{} := gcc'.format(sys),
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# Append our flags to the existing ones
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'-e', '/^CFG_JEMALLOC_CFLAGS/ s;$; {};'.format(cflags_for(d, thing)),
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'-e', '/^CFG_GCCISH_CFLAGS/ s;$; {};'.format(cflags_for(d, thing)),
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'-e', '/^CFG_GCCISH_CXXFLAGS/ s;$; {};'.format(cxxflags_for(d, thing)),
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'-e', '/^CFG_GCCISH_LINK_FLAGS/ s;$; {};'.format(ldflags),
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# May need to add: CFG_LLC_FLAGS_{}
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], stdout=o, stdin=i)
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if r:
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raise Exception
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o.write("OBJCOPY_{} := {}objcopy\n".format(sys, prefix))
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o.close()
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i.close()
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python do_rust_arch_fixup () {
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for thing in ['BUILD', 'HOST', 'TARGET']:
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bb.debug(1, "rust_gen_mk_cfg for " + thing)
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rust_gen_mk_cfg(d, thing)
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}
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addtask rust_arch_fixup before do_configure after do_patch
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do_rust_arch_fixup[dirs] = "${S}/mk/cfg"
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llvmdir = "${STAGING_DIR_NATIVE}/${prefix_native}"
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do_configure () {
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# FIXME: target_prefix vs prefix, see cross.bbclass
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# CFLAGS, LDFLAGS, CXXFLAGS, CPPFLAGS are used by rust's build for a
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# wide range of targets (not just HOST). Yocto's settings for them will
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# be inappropriate, avoid using.
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unset CFLAGS
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unset LDFLAGS
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unset CXXFLAGS
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unset CPPFLAGS
|
||||
|
||||
# FIXME: this path to rustc (via `which rustc`) may not be quite right in the case
|
||||
# where we're reinstalling the compiler. May want to try for a real
|
||||
# path based on bitbake vars
|
||||
# Also will be wrong when relative libdir and/or bindir aren't 'bin' and 'lib'.
|
||||
local_maybe_enable=disable
|
||||
local_rust_root=/not/set/do/not/use
|
||||
if which rustc >/dev/null 2>&1; then
|
||||
local_rustc=$(which rustc)
|
||||
if [ -n "$local_rustc" ]; then
|
||||
local_rust_root=$(dirname $(dirname $local_rustc))
|
||||
if [ -e "$local_rust_root/bin/rustc" ]; then
|
||||
local_maybe_enable=enable
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
|
||||
# - rpath is required otherwise rustc fails to resolve symbols
|
||||
# - submodule management is done by bitbake's fetching
|
||||
${S}/configure \
|
||||
"--enable-rpath" \
|
||||
"--disable-docs" \
|
||||
"--disable-manage-submodules" \
|
||||
"--disable-debug" \
|
||||
"--enable-debuginfo" \
|
||||
"--enable-optimize" \
|
||||
"--enable-optimize-cxx" \
|
||||
"--disable-llvm-version-check" \
|
||||
"--llvm-root=${llvmdir}" \
|
||||
"--enable-optimize-tests" \
|
||||
"--prefix=${prefix}" \
|
||||
"--target=${TARGET_SYS}" \
|
||||
"--host=${HOST_SYS}" \
|
||||
"--build=${BUILD_SYS}" \
|
||||
"--localstatedir=${localstatedir}" \
|
||||
"--sysconfdir=${sysconfdir}" \
|
||||
"--datadir=${datadir}" \
|
||||
"--infodir=${infodir}" \
|
||||
"--mandir=${mandir}" \
|
||||
"--libdir=${libdir}" \
|
||||
"--bindir=${bindir}" \
|
||||
"--platform-cfg=${B}/mk-cfg/" \
|
||||
${@bb.utils.contains('PACKAGECONFIG', 'local-rust', '--$local_maybe_enable-local-rust --local-rust-root=$local_rust_root', '--local-rust-root=/not/a/dir', d)} \
|
||||
${EXTRA_OECONF}
|
||||
}
|
||||
|
||||
rust_runmake () {
|
||||
echo "COMPILE ${PN}" "$@"
|
||||
env
|
||||
|
||||
# CFLAGS, LDFLAGS, CXXFLAGS, CPPFLAGS are used by rust's build for a
|
||||
# wide range of targets (not just TARGET). Yocto's settings for them will
|
||||
# be inappropriate, avoid using.
|
||||
unset CFLAGS
|
||||
unset LDFLAGS
|
||||
unset CXXFLAGS
|
||||
unset CPPFLAGS
|
||||
|
||||
oe_runmake "VERBOSE=1" "$@"
|
||||
}
|
||||
|
||||
do_compile () {
|
||||
if ${@bb.utils.contains('PACKAGECONFIG', 'local-rust', 'false', 'true', d)}; then
|
||||
mkdir -p dl
|
||||
cp -f ${WORKDIR}/${RUST_SNAPSHOT} dl
|
||||
fi
|
||||
rust_runmake
|
||||
}
|
||||
|
||||
rust_do_install () {
|
||||
rust_runmake DESTDIR="${D}" install
|
||||
|
||||
# Rust's install.sh doesn't mark executables as executable because
|
||||
# we're using a custom bindir, do it ourselves.
|
||||
chmod +x "${D}/${bindir}/rustc"
|
||||
chmod +x "${D}/${bindir}/rustdoc"
|
||||
chmod +x "${D}/${bindir}/rust-gdb"
|
||||
|
||||
# Install our custom target.json files
|
||||
local td="${D}${libdir}/rustlib/"
|
||||
install -d "$td"
|
||||
for tgt in "${WORKDIR}/targets/"* ; do
|
||||
install -m 0644 "$tgt" "$td"
|
||||
done
|
||||
|
||||
## rust will complain about multiple providers of the runtime libs
|
||||
## (libstd, libsync, etc.) without this.
|
||||
(cd "${D}${libdir}" && ln -sf "rustlib/${HOST_SYS}/lib/lib"*.so .)
|
||||
}
|
||||
|
||||
do_install () {
|
||||
rust_do_install
|
||||
}
|
||||
|
||||
## {{{ native bits
|
||||
|
||||
# Otherwise we'll depend on what we provide
|
||||
INHIBIT_DEFAULT_RUST_DEPS_class-native = "1"
|
||||
# We don't need to depend on gcc-native because yocto assumes it exists
|
||||
PROVIDES_class-native = "virtual/${TARGET_PREFIX}rust"
|
||||
|
||||
## }}}
|
||||
|
||||
## {{{ cross bits
|
||||
|
||||
# Otherwise we'll depend on what we provide
|
||||
INHIBIT_DEFAULT_RUST_DEPS_class-cross = "1"
|
||||
|
||||
# Unlike native (which nicely maps it's DEPENDS) cross wipes them out completely.
|
||||
# Generally, we (and cross in general) need the same things that native needs,
|
||||
# so it might make sense to take it's mapping. For now, though, we just mention
|
||||
# the bits we need explicitly.
|
||||
DEPENDS_class-cross += "${@bb.utils.contains('PACKAGECONFIG', 'local-rust', 'rust-native', '', d)}"
|
||||
DEPENDS_class-cross += "rust-llvm-native"
|
||||
DEPENDS_class-cross += "virtual/${TARGET_PREFIX}gcc virtual/${TARGET_PREFIX}compilerlibs virtual/libc"
|
||||
|
||||
PROVIDES_class-cross = "virtual/${TARGET_PREFIX}rust"
|
||||
PN_class-cross = "rust-cross-${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 ${libdir}.
|
||||
# Most of the time this happens to work fine as the systems libraries are
|
||||
# subsituted, but sometimes a host system will lack a library, or the right
|
||||
# version of a library (libtinfo was how I noticed this).
|
||||
#
|
||||
# FIXME: this should really be fixed in rust itself.
|
||||
# FIXME: using hard-coded relative paths is wrong, we should ask bitbake for
|
||||
# the relative path between 2 of it's vars.
|
||||
HOST_POST_LINK_ARGS_append_class-cross = " -Wl,-rpath=../../lib"
|
||||
BUILD_POST_LINK_ARGS_append_class-cross = " -Wl,-rpath=../../lib"
|
||||
|
||||
# We need the same thing for the calls to the compiler when building the runtime crap
|
||||
TARGET_CC_ARCH_append_class-cross = " --sysroot=${STAGING_DIR_TARGET}"
|
||||
|
||||
# cross.bbclass is "helpful" and overrides our do_install. Tell it not to.
|
||||
do_install_class-cross () {
|
||||
rust_do_install
|
||||
}
|
||||
|
||||
# using host-strip on target .so files generated by this recipie causes build errors.
|
||||
# for now, disable stripping.
|
||||
# A better (but more complex) approach would be to mimic gcc-runtime and build
|
||||
# the target.so files in a seperate .bb file.
|
||||
INHIBIT_PACKAGE_STRIP_class-cross = "1"
|
||||
INHIBIT_SYSROOT_STRIP_class-cross = "1"
|
||||
|
||||
## }}}
|
||||
|
||||
BBCLASSEXTEND = "cross native"
|
||||
BBCLASSEXTEND = "native"
|
||||
|
||||
@@ -0,0 +1,396 @@
|
||||
inherit rust
|
||||
inherit rust-installer
|
||||
require rust-shared-source.inc
|
||||
require rust-snapshot-2015-08-11.inc
|
||||
|
||||
LIC_FILES_CHKSUM ="file://COPYRIGHT;md5=eb87dba71cb424233bcce88db3ae2f1a"
|
||||
|
||||
SUMMARY = "Rust compiler and runtime libaries"
|
||||
HOMEPAGE = "http://www.rust-lang.org"
|
||||
SECTION = "devel"
|
||||
|
||||
B = "${WORKDIR}/build"
|
||||
|
||||
DEPENDS += "file-native"
|
||||
|
||||
# Avoid having the default bitbake.conf disable sub-make parallelization
|
||||
EXTRA_OEMAKE = ""
|
||||
|
||||
PACKAGECONFIG ??= ""
|
||||
|
||||
# Controls whether we use the local rust to build.
|
||||
# By default, we use the rust-snapshot. In some cases (non-supported host
|
||||
# systems) this may not be possible. In other cases, it might be desirable
|
||||
# to have rust-cross built using rust-native.
|
||||
PACKAGECONFIG[local-rust] = ""
|
||||
|
||||
SRC_URI += "${@bb.utils.contains('PACKAGECONFIG', 'local-rust', '', 'https://static.rust-lang.org/stage0-snapshots/${RUST_SNAPSHOT};unpack=0;name=rust-snapshot', d)}"
|
||||
|
||||
# We generate local targets, and need to be able to locate them
|
||||
export RUST_TARGET_PATH="${WORKDIR}/targets/"
|
||||
|
||||
export FORCE_CRATE_HASH="${BB_TASKHASH}"
|
||||
|
||||
## arm-unknown-linux-gnueabihf
|
||||
DATA_LAYOUT[arm] = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:64-n32"
|
||||
LLVM_TARGET[arm] = "${RUST_TARGET_SYS}"
|
||||
TARGET_ENDIAN[arm] = "little"
|
||||
TARGET_POINTER_WIDTH[arm] = "32"
|
||||
FEATURES[arm] = "+v6,+vfp2"
|
||||
PRE_LINK_ARGS[arm] = "-Wl,--as-needed"
|
||||
|
||||
DATA_LAYOUT[aarch64] = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-n32:64-S128"
|
||||
LLVM_TARGET[aarch64] = "aarch64-unknown-linux-gnu"
|
||||
TARGET_ENDIAN[aarch64] = "little"
|
||||
TARGET_POINTER_WIDTH[aarch64] = "64"
|
||||
PRE_LINK_ARGS[aarch64] = "-Wl,--as-needed"
|
||||
|
||||
## x86_64-unknown-linux-gnu
|
||||
DATA_LAYOUT[x86_64] = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
|
||||
LLVM_TARGET[x86_64] = "x86_64-unknown-linux-gnu"
|
||||
TARGET_ENDIAN[x86_64] = "little"
|
||||
TARGET_POINTER_WIDTH[x86_64] = "64"
|
||||
PRE_LINK_ARGS[x86_64] = "-Wl,--as-needed -m64"
|
||||
|
||||
## i686-unknown-linux-gnu
|
||||
DATA_LAYOUT[i686] = "e-p:32:32-f64:32:64-i64:32:64-f80:32:32-n8:16:32"
|
||||
LLVM_TARGET[i686] = "i686-unknown-linux-gnu"
|
||||
TARGET_ENDIAN[i686] = "little"
|
||||
TARGET_POINTER_WIDTH[i686] = "32"
|
||||
PRE_LINK_ARGS[i686] = "-Wl,--as-needed -m32"
|
||||
|
||||
## XXX: a bit of a hack so qemux86 builds, clone of i686-unknown-linux-gnu above
|
||||
DATA_LAYOUT[i586] = "e-p:32:32-f64:32:64-i64:32:64-f80:32:32-n8:16:32"
|
||||
LLVM_TARGET[i586] = "i586-unknown-linux-gnu"
|
||||
TARGET_ENDIAN[i586] = "little"
|
||||
TARGET_POINTER_WIDTH[i586] = "32"
|
||||
PRE_LINK_ARGS[i586] = "-Wl,--as-needed -m32"
|
||||
|
||||
# enable-new-dtags causes rpaths to be inserted as DT_RUNPATH (as well as
|
||||
# DT_RPATH), which lets LD_LIBRARY_PATH override them
|
||||
RPATH_LDFLAGS = "-Wl,--enable-new-dtags"
|
||||
TARGET_PRE_LINK_ARGS = "${RPATH_LDFLAGS} ${TARGET_CC_ARCH} ${TOOLCHAIN_OPTIONS}"
|
||||
BUILD_PRE_LINK_ARGS = "${RPATH_LDFLAGS} ${BUILD_CC_ARCH} ${TOOLCHAIN_OPTIONS}"
|
||||
HOST_PRE_LINK_ARGS = "${RPATH_LDFLAGS} ${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS}"
|
||||
|
||||
# These LDFLAGS have '-L' options in them. We need these to come last so they
|
||||
# don't screw up the link order and pull in the wrong rust build/version.
|
||||
# TODO: may want to strip out all the '-L' flags entirely here
|
||||
TARGET_POST_LINK_ARGS = "${TARGET_LDFLAGS}"
|
||||
BUILD_POST_LINK_ARGS = "${BUILD_LDFLAGS}"
|
||||
HOST_POST_LINK_ARGS = "${HOST_LDFLAGS}"
|
||||
|
||||
def arch_for(d, thing):
|
||||
return d.getVar('{}_ARCH'.format(thing), True)
|
||||
|
||||
def sys_for(d, thing):
|
||||
return d.getVar('{}_SYS'.format(thing), True)
|
||||
|
||||
def prefix_for(d, thing):
|
||||
return d.getVar('{}_PREFIX'.format(thing), True)
|
||||
|
||||
## Note: TOOLCHAIN_OPTIONS is set to "" by native.bbclass and cross.bbclass,
|
||||
## which prevents us from grabbing them when building a cross compiler (native doesn't matter).
|
||||
## We workaround this in internal-rust-cross.bbclass.
|
||||
def cflags_for(d, thing):
|
||||
cc_arch = d.getVar('{}_CC_ARCH'.format(thing), True) or ""
|
||||
flags = d.getVar('{}_CFLAGS'.format(thing), True) or ""
|
||||
tc = d.getVar('TOOLCHAIN_OPTIONS', True) or ""
|
||||
return ' '.join([cc_arch, flags, tc])
|
||||
|
||||
def cxxflags_for(d, thing):
|
||||
cc_arch = d.getVar('{}_CC_ARCH'.format(thing), True) or ""
|
||||
flags = d.getVar('{}_CXXFLAGS'.format(thing), True) or ""
|
||||
tc = d.getVar('TOOLCHAIN_OPTIONS', True) or ""
|
||||
return ' '.join([cc_arch, flags, tc])
|
||||
|
||||
# Convert a normal arch (HOST_ARCH, TARGET_ARCH, BUILD_ARCH, etc) to something
|
||||
# rust's internals won't choke on.
|
||||
def arch_to_rust_target_arch(arch):
|
||||
if arch == "i586" or arch == "i686":
|
||||
return "x86"
|
||||
else:
|
||||
return arch
|
||||
|
||||
def as_json(list_):
|
||||
a = '['
|
||||
for e in list_:
|
||||
if type(e) == str:
|
||||
a += '"{}",'.format(e)
|
||||
else:
|
||||
raise Exception
|
||||
if len(list_):
|
||||
a = a[:-1]
|
||||
a += ']'
|
||||
return a
|
||||
|
||||
def post_link_args_for(d, thing, arch):
|
||||
post_link_args = (d.getVar('{}_POST_LINK_ARGS'.format(thing), True) or "").split()
|
||||
post_link_args.extend((d.getVarFlag('POST_LINK_ARGS', arch, True) or "").split())
|
||||
return post_link_args
|
||||
|
||||
def pre_link_args_for(d, thing, arch):
|
||||
ldflags = (d.getVar('{}_PRE_LINK_ARGS'.format(thing), True) or "").split()
|
||||
ldflags.extend((d.getVarFlag('PRE_LINK_ARGS', arch, True) or "").split())
|
||||
return ldflags
|
||||
|
||||
def ldflags_for(d, thing, arch):
|
||||
a = pre_link_args_for(d, thing, arch)
|
||||
a.extend(post_link_args_for(d, thing, arch))
|
||||
return a
|
||||
|
||||
def rust_gen_target(d, thing, wd):
|
||||
arch = arch_for(d, thing)
|
||||
sys = sys_for(d, thing)
|
||||
prefix = prefix_for(d, thing)
|
||||
o = open(wd + sys + '.json', 'w')
|
||||
|
||||
data_layout = d.getVarFlag('DATA_LAYOUT', arch, True)
|
||||
if not data_layout:
|
||||
bb.utils.fatal("DATA_LAYOUT[{}] required but not set for {}".format(arch, thing))
|
||||
llvm_target = d.getVarFlag('LLVM_TARGET', arch, True)
|
||||
target_pointer_width = d.getVarFlag('TARGET_POINTER_WIDTH', arch, True)
|
||||
endian = d.getVarFlag('TARGET_ENDIAN', arch, True)
|
||||
prefix = d.getVar('{}_PREFIX'.format(thing), True)
|
||||
ccache = d.getVar('CCACHE', True)
|
||||
linker = "{}{}gcc".format(ccache, prefix)
|
||||
objcopy = "{}objcopy".format(prefix)
|
||||
features = d.getVarFlag('FEATURES', arch, True) or ""
|
||||
|
||||
pre_link_args = pre_link_args_for(d, thing, arch)
|
||||
post_link_args = post_link_args_for(d, thing, arch)
|
||||
|
||||
o.write('''{{
|
||||
"data-layout": "{}",
|
||||
"llvm-target": "{}",
|
||||
"target-endian": "{}",
|
||||
"target-word-size": "{}",
|
||||
"target-pointer-width": "{}",
|
||||
"arch": "{}",
|
||||
"os": "linux",
|
||||
"linker": "{}",
|
||||
"objcopy": "{}",
|
||||
"features": "{}",
|
||||
"dynamic-linking": true,
|
||||
"executables": true,
|
||||
"morestack": true,
|
||||
"linker-is-gnu": true,
|
||||
"has-rpath": true,
|
||||
"position-independent-executables": true,
|
||||
"pre-link-args": {},
|
||||
"post-link-args": {}
|
||||
}}'''.format(
|
||||
data_layout,
|
||||
llvm_target,
|
||||
endian,
|
||||
target_pointer_width,
|
||||
target_pointer_width,
|
||||
arch_to_rust_target_arch(arch),
|
||||
linker,
|
||||
objcopy,
|
||||
features,
|
||||
as_json(pre_link_args),
|
||||
as_json(post_link_args),
|
||||
))
|
||||
o.close()
|
||||
|
||||
python do_rust_gen_targets () {
|
||||
wd = d.getVar('WORKDIR', True) + '/targets/'
|
||||
try:
|
||||
os.makedirs(wd)
|
||||
except OSError as e:
|
||||
if e.errno != 17:
|
||||
raise e
|
||||
for thing in ['BUILD', 'HOST', 'TARGET']:
|
||||
bb.debug(1, "rust_gen_target for " + thing)
|
||||
rust_gen_target(d, thing, wd)
|
||||
}
|
||||
addtask rust_gen_targets after do_patch before do_compile
|
||||
|
||||
def rust_gen_mk_cfg(d, thing):
|
||||
''''
|
||||
Rust's build system adds support for new archs via 2 things:
|
||||
1. a file in mk/cfg which defines how the runtime libraries are built
|
||||
2. and rustc arch definition either built into the compiler or supplied as a .json file
|
||||
|
||||
This generates a new #1 for the given 'thing' (one of HOST, TARGET, BUILD)
|
||||
using a "similar" config that rust already supplies as a template.
|
||||
|
||||
Note that the configure process also depends on the existence of #1, so we
|
||||
have to run this before do_configure
|
||||
'''
|
||||
|
||||
import shutil, subprocess
|
||||
|
||||
import errno
|
||||
import os
|
||||
|
||||
def mkdir_p(path):
|
||||
try:
|
||||
os.makedirs(path)
|
||||
except OSError as exc: # Python >2.5
|
||||
if exc.errno == errno.EEXIST and os.path.isdir(path):
|
||||
pass
|
||||
else:
|
||||
raise
|
||||
|
||||
rust_base_sys = rust_base_triple(d, thing)
|
||||
arch = arch_for(d, thing)
|
||||
sys = sys_for(d, thing)
|
||||
prefix = prefix_for(d, thing)
|
||||
llvm_target = d.getVarFlag('LLVM_TARGET', arch, True)
|
||||
ldflags = ' '.join(ldflags_for(d, thing, arch))
|
||||
|
||||
b = d.getVar('B', True) + '/mk-cfg/'
|
||||
mkdir_p(b)
|
||||
o = open(b + sys_for(d, thing) + '.mk', 'w')
|
||||
i = open(d.getVar('S', True) + '/mk/cfg/' + rust_base_sys + '.mk', 'r')
|
||||
|
||||
r = subprocess.call(['sed',
|
||||
# update all triplets to the new one
|
||||
'-e', 's/{}/{}/g'.format(rust_base_sys, sys),
|
||||
|
||||
# Replace tools with our own (CROSS_PREFIX is appended to all tools
|
||||
# by rust's build system). We delete and then insert this because not
|
||||
# all targets define it.
|
||||
'-e', 's/^CROSS_PREFIX_{}.*$//'.format(sys),
|
||||
'-e', '2 a CROSS_PREFIX_{} := {}'.format(sys, prefix),
|
||||
'-e', 's/^CFG_LLVM_TARGET_.*$//',
|
||||
'-e', '2 a CFG_LLVM_TARGET_{} := {}'.format(sys, llvm_target),
|
||||
'-e', 's/^CC_{}=.*$/CC_{} := gcc/'.format(sys, sys),
|
||||
'-e', 's/^CXX_{}.*$/CXX_{} := g++/'.format(sys, sys),
|
||||
'-e', 's/^CPP_{}.*$/CPP_{} := gcc -E/'.format(sys, sys),
|
||||
'-e', 's/^AR_{}.*$/AR_{} := ar/'.format(sys, sys),
|
||||
|
||||
# Some targets don't have LINK even though it is required to build.
|
||||
'-e', 's/^LINK_{}.*$//'.format(sys),
|
||||
'-e', '2 a LINK_{} := gcc'.format(sys),
|
||||
|
||||
# Append our flags to the existing ones
|
||||
'-e', '/^CFG_JEMALLOC_CFLAGS/ s;$; {};'.format(cflags_for(d, thing)),
|
||||
'-e', '/^CFG_GCCISH_CFLAGS/ s;$; {};'.format(cflags_for(d, thing)),
|
||||
'-e', '/^CFG_GCCISH_CXXFLAGS/ s;$; {};'.format(cxxflags_for(d, thing)),
|
||||
'-e', '/^CFG_GCCISH_LINK_FLAGS/ s;$; {};'.format(ldflags),
|
||||
|
||||
# May need to add: CFG_LLC_FLAGS_{}
|
||||
], stdout=o, stdin=i)
|
||||
if r:
|
||||
raise Exception
|
||||
o.write("OBJCOPY_{} := {}objcopy\n".format(sys, prefix))
|
||||
o.close()
|
||||
i.close()
|
||||
|
||||
python do_rust_arch_fixup () {
|
||||
for thing in ['BUILD', 'HOST', 'TARGET']:
|
||||
bb.debug(1, "rust_gen_mk_cfg for " + thing)
|
||||
rust_gen_mk_cfg(d, thing)
|
||||
}
|
||||
addtask rust_arch_fixup before do_configure after do_patch
|
||||
do_rust_arch_fixup[dirs] = "${S}/mk/cfg"
|
||||
|
||||
llvmdir = "${STAGING_DIR_NATIVE}/${prefix_native}"
|
||||
|
||||
do_configure () {
|
||||
# FIXME: target_prefix vs prefix, see cross.bbclass
|
||||
|
||||
# CFLAGS, LDFLAGS, CXXFLAGS, CPPFLAGS are used by rust's build for a
|
||||
# wide range of targets (not just HOST). Yocto's settings for them will
|
||||
# be inappropriate, avoid using.
|
||||
unset CFLAGS
|
||||
unset LDFLAGS
|
||||
unset CXXFLAGS
|
||||
unset CPPFLAGS
|
||||
|
||||
# FIXME: this path to rustc (via `which rustc`) may not be quite right in the case
|
||||
# where we're reinstalling the compiler. May want to try for a real
|
||||
# path based on bitbake vars
|
||||
# Also will be wrong when relative libdir and/or bindir aren't 'bin' and 'lib'.
|
||||
local_maybe_enable=disable
|
||||
local_rust_root=/not/set/do/not/use
|
||||
if which rustc >/dev/null 2>&1; then
|
||||
local_rustc=$(which rustc)
|
||||
if [ -n "$local_rustc" ]; then
|
||||
local_rust_root=$(dirname $(dirname $local_rustc))
|
||||
if [ -e "$local_rust_root/bin/rustc" ]; then
|
||||
local_maybe_enable=enable
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
|
||||
# - rpath is required otherwise rustc fails to resolve symbols
|
||||
# - submodule management is done by bitbake's fetching
|
||||
${S}/configure \
|
||||
"--enable-rpath" \
|
||||
"--disable-docs" \
|
||||
"--disable-manage-submodules" \
|
||||
"--disable-debug" \
|
||||
"--enable-debuginfo" \
|
||||
"--enable-optimize" \
|
||||
"--enable-optimize-cxx" \
|
||||
"--disable-llvm-version-check" \
|
||||
"--llvm-root=${llvmdir}" \
|
||||
"--enable-optimize-tests" \
|
||||
"--prefix=${prefix}" \
|
||||
"--target=${TARGET_SYS}" \
|
||||
"--host=${HOST_SYS}" \
|
||||
"--build=${BUILD_SYS}" \
|
||||
"--localstatedir=${localstatedir}" \
|
||||
"--sysconfdir=${sysconfdir}" \
|
||||
"--datadir=${datadir}" \
|
||||
"--infodir=${infodir}" \
|
||||
"--mandir=${mandir}" \
|
||||
"--libdir=${libdir}" \
|
||||
"--bindir=${bindir}" \
|
||||
"--platform-cfg=${B}/mk-cfg/" \
|
||||
${@bb.utils.contains('PACKAGECONFIG', 'local-rust', '--$local_maybe_enable-local-rust --local-rust-root=$local_rust_root', '--local-rust-root=/not/a/dir', d)} \
|
||||
${EXTRA_OECONF}
|
||||
}
|
||||
|
||||
rust_runmake () {
|
||||
echo "COMPILE ${PN}" "$@"
|
||||
env
|
||||
|
||||
# CFLAGS, LDFLAGS, CXXFLAGS, CPPFLAGS are used by rust's build for a
|
||||
# wide range of targets (not just TARGET). Yocto's settings for them will
|
||||
# be inappropriate, avoid using.
|
||||
unset CFLAGS
|
||||
unset LDFLAGS
|
||||
unset CXXFLAGS
|
||||
unset CPPFLAGS
|
||||
|
||||
oe_runmake "VERBOSE=1" "$@"
|
||||
}
|
||||
|
||||
do_compile () {
|
||||
if ${@bb.utils.contains('PACKAGECONFIG', 'local-rust', 'false', 'true', d)}; then
|
||||
mkdir -p dl
|
||||
cp -f ${WORKDIR}/${RUST_SNAPSHOT} dl
|
||||
fi
|
||||
rust_runmake
|
||||
}
|
||||
|
||||
rust_do_install () {
|
||||
rust_runmake DESTDIR="${D}" install
|
||||
|
||||
# Rust's install.sh doesn't mark executables as executable because
|
||||
# we're using a custom bindir, do it ourselves.
|
||||
chmod +x "${D}/${bindir}/rustc"
|
||||
chmod +x "${D}/${bindir}/rustdoc"
|
||||
chmod +x "${D}/${bindir}/rust-gdb"
|
||||
|
||||
# Install our custom target.json files
|
||||
local td="${D}${libdir}/rustlib/"
|
||||
install -d "$td"
|
||||
for tgt in "${WORKDIR}/targets/"* ; do
|
||||
install -m 0644 "$tgt" "$td"
|
||||
done
|
||||
|
||||
## rust will complain about multiple providers of the runtime libs
|
||||
## (libstd, libsync, etc.) without this.
|
||||
(cd "${D}${libdir}" && ln -sf "rustlib/${HOST_SYS}/lib/lib"*.so .)
|
||||
}
|
||||
|
||||
do_install () {
|
||||
rust_do_install
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user