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All of these variables are single-valued, so we can use weak-defaults
for them and only see the final assignment after parsing.
(From OE-Core rev: 3221e82a35a149fdf38fe66dcd5de758ac1b9185)
Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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(From OE-Core rev: 02d6c89ca2e72e95d093282f5626e607060da588)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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(From OE-Core rev: e4931b1d6f147fc7ced080e30c63f0aaf0d1e7ff)
Signed-off-by: Martin Jansa <martin.jansa@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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This needs to be done for any item that is linked under rustc,
and not just rust itself. Latest python-cryptography exposes the issue.
(From OE-Core rev: d3811228747590ea06e8d68be4785d45ec9c478f)
Signed-off-by: Alexander Kanavin <alex@linutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Rust crates build dependecy C libraries using "CC" crate.
This crate adds some default compiler parameters depending on target arch.
For some targets these parameters conflict with the parameters defined by OE.
Warnings/errors like this can be seen in the case:
cc1: error: switch '-mcpu=cortex-a15' conflicts with switch '-march=armv7-a+fp' [-Werror]
Lets use only the OE parameters by exporting CRATE_CC_NO_DEFAULTS.
https://github.com/rust-lang/cc-rs#external-configuration-via-environment-variables
This patch fixes https://bugzilla.yoctoproject.org/show_bug.cgi?id=14947
(From OE-Core rev: 0c07089bdf7e0d7d8f37552db0bcd75f860979d9)
Signed-off-by: Anton Antonov <Anton.Antonov@arm.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Allow rust to build for baremetal targets by generating the proper target
triple, follow the format specified by rusts Triple [1], that is:
<arch>-<vendor>-<os>-<abi>
This is done automatically based on both TARGET_OS and TCLIBC.
For example, a riscv64 baremetal target triple would look like this:
riscv64gc-poky-none-elf
matching rusts own target triple for riscv64 according to platform-support [2]
[1] https://docs.rs/target-lexicon/latest/target_lexicon/struct.Triple.html
[2] https://doc.rust-lang.org/stable/rustc/platform-support.html
(From OE-Core rev: 3bff689f0c5ea73076ce0510872b0552e8660cbe)
Signed-off-by: Alejandro Enedino Hernandez Samaniego <alejandro@enedino.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Rust targets have the form of 'arch-unknown-linux-gnu' while
oe's native targets are 'arch-linux-gnu', e.g. omit the vendor.
The effect this has on rust-native builds is that rust first builds
itself as stage0 for arch-unknown-linux-gnu, then builds itself
again for arch-unknown-linux-gnu, then finally uses the compiler
from second step to 'cross-compile' a compiler for 'arch-linux-gnu'.
This last step is really not necessary, and we could save 4 minutes
out of 12 if it is eliminated. Which is what this patch does
by setting the target directly to 'arch-unknown-linux-gnu'; rust's
build system then shortcuts the build process after the second step.
Given a working rust-native will be needed as early as possible in a
typical yocto build (e.g. when in a not too distant future making a
useful kernel will not be possible without rust), producing it faster
is important.
(From OE-Core rev: a918ea5645d8a67cedaf3ecf6c382520bbcad85b)
Signed-off-by: Alexander Kanavin <alex@linutronix.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Move classes to classes-global or classes-recipe as appropriate to take
advantage of new bitbake functionality to check class scope/usage.
(From OE-Core rev: f5c128008365e141082c129417eb72d2751e8045)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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