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uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

Browse source 
https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>
This commit is contained in:
Anton Arapov 2021-04-03 12:58:10 +02:00 • committed by Alan Daniels
commit 56de2bcd43
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60
pkgs/test/rust-sysroot/default.nix Normal file
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{ lib, rust, rustPlatform, fetchFromGitHub }:
let
mkBlogOsTest = target: rustPlatform.buildRustPackage rec {
name = "blog_os-sysroot-test";
src = fetchFromGitHub {
owner = "phil-opp";
repo = "blog_os";
rev = "4e38e7ddf8dd021c3cd7e4609dfa01afb827797b";
sha256 = "0k9ipm9ddm1bad7bs7368wzzp6xwrhyfzfpckdax54l4ffqwljcg";
};
cargoSha256 = "1x8iwgy1irgfkv2yjkxm6479nwbrk82b0c80jm7y4kw0s32r01lg";
inherit target;
RUSTFLAGS = "-C link-arg=-nostartfiles";
# Tests don't work for `no_std`. See https://os.phil-opp.com/testing/
doCheck = false;
meta = with lib; {
description = "Test for using custom sysroots with buildRustPackage";
maintainers = with maintainers; [ aaronjanse ];
platforms = lib.platforms.x86_64;
};
};
# The book uses rust-lld for linking, but rust-lld is not currently packaged for NixOS.
# The justification in the book for using rust-lld suggests that gcc can still be used for testing:
# > Instead of using the platform's default linker (which might not support Linux targets),
# > we use the cross platform LLD linker that is shipped with Rust for linking our kernel.
# https://github.com/phil-opp/blog_os/blame/7212ffaa8383122b1eb07fe1854814f99d2e1af4/blog/content/second-edition/posts/02-minimal-rust-kernel/index.md#L157
targetContents = {
"llvm-target" = "x86_64-unknown-none";
"data-layout" = "e-m:e-i64:64-f80:128-n8:16:32:64-S128";
"arch" = "x86_64";
"target-endian" = "little";
"target-pointer-width" = "64";
"target-c-int-width" = "32";
"os" = "none";
"executables" = true;
"linker-flavor" = "gcc";
"panic-strategy" = "abort";
"disable-redzone" = true;
"features" = "-mmx,-sse,+soft-float";
};
in {
blogOS-targetByFile = mkBlogOsTest (builtins.toFile "x86_64-blog_os.json" (builtins.toJSON targetContents));
blogOS-targetByNix = let
plat = lib.systems.elaborate { config = "x86_64-none"; } // {
rustc = {
config = "x86_64-blog_os";
platform = targetContents;
};
};
in mkBlogOsTest (rust.toRustTargetSpec plat);
}