Move the cargo and rust recipes from 'recipes' to 'recipes-devtools'
This commit is contained in:
Derek Straka
@@ -0,0 +1,461 @@
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# ex: sts=4 et sw=4 ts=8
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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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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 = "${WORKDIR}/build"
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DEPENDS += "file-native"
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# Avoid having the default bitbake.conf disable sub-make parallelization
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EXTRA_OEMAKE = ""
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PACKAGECONFIG ??= ""
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# Controls whether we use the local rust to build.
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# By default, we use the rust-snapshot. In some cases (non-supported host
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# systems) this may not be possible. In other cases, it might be desirable
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# to have rust-cross built using rust-native.
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PACKAGECONFIG[local-rust] = ""
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SRC_URI += "${@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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# Right now this is focused on arm-specific tune features.
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# We get away with this for now as one can only use x86-64 as the build host
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# (not arm).
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# Note that TUNE_FEATURES is _always_ refering to the target, so we really
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# don't want to use this for the host/build.
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def llvm_features_from_tune(d):
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f = []
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feat = d.getVar('TUNE_FEATURES', True)
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if not feat:
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return ""
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feat = frozenset(feat.split())
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if 'vfpv4' in feat:
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f.append("+vfp4")
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if 'vfpv3' in feat:
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f.append("+vfp3")
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if 'vfpv3d16' in feat:
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f.append("+d16")
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if 'vfpv2' in feat or 'vfp' in feat:
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f.append("+vfp2")
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if 'neon' in feat:
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f.append("+neon")
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if 'aarch64' in feat:
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f.append("+v8")
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v7=frozenset(['armv7a', 'armv7r', 'armv7m', 'armv7ve'])
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if not feat.isdisjoint(v7):
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f.append("+v7")
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if 'armv6' in feat:
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f.append("+v6")
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if 'dsp' in feat:
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f.append("+dsp")
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if d.getVar('ARM_THUMB_OPT', True) is "thumb":
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if not feat.isdisjoint(v7):
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f.append("+thumb2")
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f.append("+thumb-mode")
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if 'cortexa5' in feat:
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f.append("+a5")
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if 'cortexa7' in feat:
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f.append("+a7")
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if 'cortexa9' in feat:
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f.append("+a9")
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if 'cortexa15' in feat:
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f.append("+a15")
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if 'cortexa17' in feat:
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f.append("+a17")
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# Seems like it could be infered by the lack of vfp options, but we'll
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# include it anyhow
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if 'soft' in feat:
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f.append("+soft-float")
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return ','.join(f)
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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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TARGET_LLVM_FEATURES = "${@llvm_features_from_tune(d)}"
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TARGET_LLVM_FEATURES_class-cross = "${@llvm_features_from_tune(d)}"
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# class-native implies TARGET=HOST, and TUNE_FEATURES only describes the real
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# (original) target.
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TARGET_LLVM_FEATURES_class-native = ""
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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 = ""
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if thing is "TARGET":
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features = d.getVar('TARGET_LLVM_FEATURES', True) or ""
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features = features or 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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# It is important 'TARGET' is last here so that it overrides our less
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# informed choices for BUILD & HOST if TARGET happens to be the same as
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# either of them.
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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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do_rust_gen_targets[dirs] += "${WORKDIR}/targets"
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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 subprocess
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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('WORKDIR', True) + '/mk-cfg/'
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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] += "${WORKDIR}/mk-cfg"
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llvmdir = "${STAGING_DIR_NATIVE}/${prefix_native}"
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do_configure () {
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# Note: when we adjust the generated targets, rust doesn't rebuild (even
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# when it should), so for now we need to remove the build dir to keep
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# things in sync.
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cd "${WORKDIR}"
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rm -rf "${B}/"
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mkdir -p "${B}/"
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cd "${B}"
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# FIXME: target_prefix vs prefix, see cross.bbclass
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# CFLAGS, LDFLAGS, CXXFLAGS, CPPFLAGS are used by rust's build for a
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# wide range of targets (not just HOST). Yocto's settings for them will
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# be inappropriate, avoid using.
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unset CFLAGS
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unset LDFLAGS
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unset CXXFLAGS
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unset CPPFLAGS
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# FIXME: this path to rustc (via `which rustc`) may not be quite right in the case
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# where we're reinstalling the compiler. May want to try for a real
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# path based on bitbake vars
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# Also will be wrong when relative libdir and/or bindir aren't 'bin' and 'lib'.
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local_maybe_enable=disable
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local_rust_root=/not/set/do/not/use
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if which rustc >/dev/null 2>&1; then
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local_rustc=$(which rustc)
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if [ -n "$local_rustc" ]; then
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local_rust_root=$(dirname $(dirname $local_rustc))
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if [ -e "$local_rust_root/bin/rustc" ]; then
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local_maybe_enable=enable
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fi
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fi
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fi
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# - rpath is required otherwise rustc fails to resolve symbols
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# - submodule management is done by bitbake's fetching
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${S}/configure \
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"--enable-rpath" \
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"--disable-docs" \
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"--disable-manage-submodules" \
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"--disable-debug" \
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"--enable-debuginfo" \
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"--enable-optimize" \
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"--enable-optimize-cxx" \
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"--disable-llvm-version-check" \
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"--llvm-root=${llvmdir}" \
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"--enable-optimize-tests" \
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"--prefix=${prefix}" \
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"--target=${TARGET_SYS}" \
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"--host=${HOST_SYS}" \
|
||||
"--build=${BUILD_SYS}" \
|
||||
"--localstatedir=${localstatedir}" \
|
||||
"--sysconfdir=${sysconfdir}" \
|
||||
"--datadir=${datadir}" \
|
||||
"--infodir=${infodir}" \
|
||||
"--mandir=${mandir}" \
|
||||
"--libdir=${libdir}" \
|
||||
"--bindir=${bindir}" \
|
||||
"--platform-cfg=${WORKDIR}/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