relibc: init

pkgs/by-name/re/relibc/package.nix

@@ -0,0 +1,88 @@
+{
+  lib,
+  rustPlatform,
+  rust-cbindgen,
+  expect,
+  stdenv,
+  fetchFromGitLab,
+  nix-update-script,
+  fetchpatch,
+}:
+rustPlatform.buildRustPackage {
+  pname = "relibc";
+  version = "0.2.5-unstable-2026-04-17";
+
+  src = fetchFromGitLab {
+    owner = "redox-os";
+    repo = "relibc";
+    rev = "24a481364fd3cd2a2a186204ef929ef37e0e5137";
+    hash = "sha256-Qt6kk/7WT18T31839FkiSy8fm2PtSoYvIC2RL+QjQns=";
+    fetchSubmodules = true;
+    domain = "gitlab.redox-os.org";
+  };
+
+  cargoHash = "sha256-0F+RW9/zz6b2HUaOADBaJq0hVyJEe+djtBN4LwoKUYA=";
+
+  env = {
+    RUSTC_BOOTSTRAP = 1;
+    TARGET = stdenv.hostPlatform.rust.rustcTargetSpec;
+  };
+
+  # error: Usage of `RUSTC_WORKSPACE_WRAPPER` requires `-Z unstable-options`
+  auditable = false;
+
+  doCheck = false;
+  postPatch = ''
+    patchShebangs --build renamesyms.sh stripcore.sh
+  '';
+
+  patches = [
+    # Fixes the issues with stable rust 1.94
+    # https://gitlab.redox-os.org/redox-os/relibc/-/merge_requests/1204
+    (fetchpatch {
+      url = "https://gitlab.redox-os.org/eveeifyeve/relibc/-/commit/fa171808ee01995f6b33cfb48b8dc37bc2439caf.patch";
+      hash = "sha256-QVSoMt2ZugoDyyK33FqX2nEHQH1ZqsqLMgNHfaUZajw=";
+    })
+  ];
+
+  # relibc expects target-triple-prefixed GNU binutils (e.g. `x86_64-linux-gnu-ar`), which Nixpkgs doesn't expose natively; this makes it so unprefixed tools are used instead.
+  # See https://gitlab.redox-os.org/redox-os/relibc/-/blob/master/README.md#im-building-for-my-own-platform-which-i-run-and-am-getting-x86_64-linux-gnu-ar-command-not-found-or-similar for more info.
+  makeFlags = [
+    "CC=gcc"
+    "AR=ar"
+    "LD=ld"
+    "NM=nm"
+  ];
+
+  buildPhase = ''
+    runHook preBuild
+
+    make $makeFlags CARGO_COMMON_FLAGS="" all
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out
+    DESTDIR=$out make $makeFlagsinstall
+
+    runHook postInstall
+  '';
+
+  nativeBuildInputs = [
+    rust-cbindgen
+    expect
+  ];
+
+  passthru.updateScript = nix-update-script { extraArgs = [ "--version=branch" ]; };
+
+  meta = {
+    homepage = "https://gitlab.redox-os.org/redox-os/relibc";
+    description = "C Library in Rust for Redox and Linux";
+    license = lib.licenses.mit;
+    platforms = lib.platforms.redox ++ lib.platforms.linux;
+    teams = [ lib.teams.redox ];
+  };
+}