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You can either:
a) switch to individual clones of bitbake, openembedded-core, meta-yocto and yocto-docs
b) use the new bitbake-setup
You can find information about either approach in our documentation:
https://docs.yoctoproject.org/
Note that "poky" the distro setting is still available in meta-yocto as
before and we continue to use and maintain that.
Long live Poky!
Some further information on the background of this change can be found
in: https://lists.openembedded.org/g/openembedded-architecture/message/2179
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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cross-canadian packages
clang-cross-canadian is just symlinking into nativesdk-clang unlike gcc which
has separate binaries and they have inbuilt dynamic linker specs. To help clang
built cross-canadian binaries add it via cmdline option here, cross-canadian
binaries are only usable on installed SDKs, and these paths get re-written with
correct SDK specific linker during SDK install relocation process.
This helps clang built cross-canadian tools e.g. from binutils-cross-canadian
be relocated correctly on SDK install.
(From OE-Core rev: d259796efd6c405dd47fabccdbce761cb29fc354)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The relevant tools (objdump, strip, etc) are part of llvm-native now,
so trim dependencies and depend on that directly instead of clang-cross.
(From OE-Core rev: 732fb127b59b2d8fd23c2716355ba44f3f5a6a9d)
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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This file can be used for nativesdk builds, which if they are using the
clang toolchain will also need compiler-rt and libcxx.
(From OE-Core rev: 24c32edb1b29a0746bb4470fea11e87b8027d9f9)
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Add clang-cross to sysroot via POPULATESYSROOTDEPS to get llvm tools
e.g. llvm-strip, llvm-nm etc when they are used at default STRIP/NM etc.
(From OE-Core rev: 0d239586ec2f258a42d60f9fb6a058344516218a)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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When TC_CXX_RUNTIME is set to be 'llvm' then clang looks for
libcxx to provide C++ runtime and unwinding library
(From OE-Core rev: aba2d949818b032222dbaed98e38cd29e3c992b6)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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As currently written, the PREFERRED_PROVIDER entries don't work with multilib
since they are added after the manipulations by multilib_global at ConfigParsed
time. We therefore need to spell out the configs correctly for multilib.
To avoid variable overwritten warnings from the expansion, we then have to
expand out the nativesdk providers usng class overrides.
(From OE-Core rev: 1f69850b62d1e022055d0f3b93ad270c2980462e)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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This change implements a toolchain selection mechanism. Selection is
made using a set of variables, primarily PREFERRED_TOOLCHAIN_TARGET which
defaults to gcc.
It uses the familiar name for toolchain e.g. "gcc" which selects GNU
compiler + binutils as default C/C++ toolchain or "clang" which will
use LLVM/Clang Compiler. Layers an add their own toolchain definitions
too.
There are also PREFERRED_TOOLCHAIN_NATIVE and PREFERRED_TOOLCHAIN_SDK
which will ulitmately allow selection of the toolchain used for the
native/cross and nativesdk/crosssdk compilers. This currently isn't
functional but is essential to the patch to ensure things are set
to the existing gcc support in those cases.
Users would most commonly want to set:
PREFERRED_TOOLCHAIN_TARGET ?= "clang"
in local.conf or other distro specific global configuration metadata.
It is also selectable at recipe scope, since not all packages are
buildable with either clang or gcc, a recipe can explicitly require
a given toolchain using the TOOLCAHIN variable, e.g. glibc can not
be built with clang therefore glibc recipe sets:
TOOLCHAIN = "gcc"
The TOOLCHAIN variable is distinct from the user preference so recipes
with specific requirements can be identified. This also allows different
polcies to be be specified for native/SDK cases in the future.
(From OE-Core rev: 45bdedd213aff8df3214b95ef2a8551c0abd93a0)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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