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Thomas Petazzoni d69d40c029 package/rustc: add support for Tier 1 and Tier 2 platforms
This commit reworks how BR2_PACKAGE_HOST_RUSTC_TARGET_ARCH_SUPPORTS is
defined to more clearly map with the list of platforms supported by
Rust as listed at
https://doc.rust-lang.org/nightly/rustc/platform-support.html. Indeed,
the situation is not as simple as a list of architectures, all
supported for both glibc and musl.

So instead, we take the approach of directly mapping with what's
described at
https://doc.rust-lang.org/nightly/rustc/platform-support.html, which
means:

 * A list of Tier 1 platforms (in fact just 3 platforms)

 * A list of Tier 2 platforms with host tools (i.e where rustc and
   cargo themselves are available for the target, something that isn't
   relevant for Buildroot)

 * A list of Tier 2 platforms with no host tools support.

For each platform, we add as a comment its Rust tuple name, as listed
at https://doc.rust-lang.org/nightly/rustc/platform-support.html, and
then the corresponding Buildroot architecture/libc dependency.

This is obviously more verbose than it was, but it is also a lot
easier to maintain.

With this, a total of 16 new platforms are supported, 13 of which are
musl-based. The additional non-musl platforms are ARMv5TE, RISC-V
64-bit and Sparc64.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
2021-05-18 23:39:42 +02:00
arch ARC: Add support for generic HS48 processor 2021-01-16 09:58:26 +01:00
board configs/qemu_aarch64_sbsa_defconfig: new config for QEMU sbsa-ref 2021-05-17 17:26:27 +02:00
boot boot/edk2: new package 2021-05-17 16:52:33 +02:00
configs configs/beaglebone: bump kernel and U-Boot versions 2021-05-18 15:20:30 +02:00
docs Update for 2021.05-rc1 2021-05-12 10:49:31 +02:00
fs fs/cpio: add zstd as compression option 2021-01-16 22:45:34 +01:00
linux {linux, linux-headers}: bump 4.19.x / 5.{4, 10, 11, 12}.x series 2021-05-10 08:31:58 +02:00
package package/rustc: add support for Tier 1 and Tier 2 platforms 2021-05-18 23:39:42 +02:00
support support/testing: new boot test for EDK2 2021-05-17 17:26:37 +02:00
system system: support br2-external init systems 2020-10-14 22:48:42 +02:00
toolchain toolchain: introduce BR2_TOOLCHAIN_HAS_BINUTILS_BUG_27597 2021-04-26 21:52:34 +02:00
utils utils/scanpypi: use python3 explicitly 2021-02-20 17:42:46 +01:00
.defconfig
.flake8 Revert ".flake8: fix check for 80/132 columns" 2021-01-02 17:38:20 +01:00
.gitignore
.gitlab-ci.yml gitlab-ci: update the image version 2020-08-15 09:47:00 +02:00
CHANGES Update for 2021.05-rc1 2021-05-12 10:49:31 +02:00
Config.in Config.in: put back legacy comment for BR2_ENABLE_SSP 2021-05-04 22:35:14 +02:00
Config.in.legacy package/monkey: drop package 2021-05-08 23:16:45 +02:00
COPYING
DEVELOPERS DEVELOPERS: add files related to EDK2 for Dick Olsson 2021-05-17 17:29:16 +02:00
Makefile Update for 2021.05-rc1 2021-05-12 10:49:31 +02:00
Makefile.legacy
README

Buildroot is a simple, efficient and easy-to-use tool to generate embedded
Linux systems through cross-compilation.

The documentation can be found in docs/manual. You can generate a text
document with 'make manual-text' and read output/docs/manual/manual.text.
Online documentation can be found at http://buildroot.org/docs.html

To build and use the buildroot stuff, do the following:

1) run 'make menuconfig'
2) select the target architecture and the packages you wish to compile
3) run 'make'
4) wait while it compiles
5) find the kernel, bootloader, root filesystem, etc. in output/images

You do not need to be root to build or run buildroot.  Have fun!

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