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

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>

pkgs/development/tools/rust/rustup/0001-dynamically-patchelf-binaries.patch

@@ -0,0 +1,42 @@
+diff --git a/src/dist/component/package.rs b/src/dist/component/package.rs
+index 3beddf54..0f859b8d 100644
+--- a/src/dist/component/package.rs
++++ b/src/dist/component/package.rs
+@@ -113,6 +113,7 @@ impl Package for DirectoryPackage {
+                     } else {
+                         builder.move_file(path.clone(), &src_path)?
+                     }
++                    nix_patchelf_if_needed(&target.prefix().path().join(path.clone()), &src_path)
+                 }
+                 "dir" => {
+                     if self.copy {
+@@ -135,6 +136,29 @@ impl Package for DirectoryPackage {
+     }
+ }
+ 
++fn nix_patchelf_if_needed(dest_path: &Path, src_path: &Path) {
++    let (is_bin, is_lib) = if let Some(p) = src_path.parent() {
++        (p.ends_with("bin"), p.ends_with("lib"))
++    } else {
++        (false, false)
++    };
++
++    if is_bin {
++        let _ = ::std::process::Command::new("@patchelf@/bin/patchelf")
++            .arg("--set-interpreter")
++            .arg("@dynamicLinker@")
++            .arg(dest_path)
++            .output();
++    }
++    else if is_lib {
++        let _ = ::std::process::Command::new("@patchelf@/bin/patchelf")
++            .arg("--set-rpath")
++            .arg("@libPath@")
++            .arg(dest_path)
++            .output();
++    }
++}
++
+ #[derive(Debug)]
+ pub struct TarPackage<'a>(DirectoryPackage, temp::Dir<'a>);
+ 

pkgs/development/tools/rust/rustup/default.nix

@@ -0,0 +1,94 @@
+{ stdenv
+, lib
+, runCommand
+, patchelf
+, fetchFromGitHub
+, rustPlatform
+, makeWrapper
+, pkg-config
+, curl
+, zlib
+, Security
+, CoreServices
+, libiconv
+, xz
+}:
+
+let
+  libPath = lib.makeLibraryPath [
+    zlib # libz.so.1
+  ];
+in
+
+rustPlatform.buildRustPackage rec {
+  pname = "rustup";
+  version = "1.24.3";
+
+  src = fetchFromGitHub {
+    owner = "rust-lang";
+    repo = "rustup";
+    rev = version;
+    sha256 = "sha256-JpOOFwlTgwwBCrXOGYskFTgS6RZ7mHQJGT0jnHavxvI=";
+  };
+
+  cargoSha256 = "sha256-hAfGpKaWD94IxFFpnW9XwQp4P9clUX6mmekwodCK0Ag=";
+
+  nativeBuildInputs = [ makeWrapper pkg-config ];
+
+  buildInputs = [
+    curl
+    zlib
+  ] ++ lib.optionals stdenv.isDarwin [ CoreServices Security libiconv xz ];
+
+  buildFeatures = [ "no-self-update" ];
+
+  checkFeatures = [ ];
+
+  patches = lib.optionals stdenv.isLinux [
+    (runCommand "0001-dynamically-patchelf-binaries.patch" { CC = stdenv.cc; patchelf = patchelf; libPath = "$ORIGIN/../lib:${libPath}"; } ''
+      export dynamicLinker=$(cat $CC/nix-support/dynamic-linker)
+      substitute ${./0001-dynamically-patchelf-binaries.patch} $out \
+        --subst-var patchelf \
+        --subst-var dynamicLinker \
+        --subst-var libPath
+    '')
+  ];
+
+  doCheck = !stdenv.isAarch64 && !stdenv.isDarwin;
+
+  postInstall = ''
+    pushd $out/bin
+    mv rustup-init rustup
+    binlinks=(
+      cargo rustc rustdoc rust-gdb rust-lldb rls rustfmt cargo-fmt
+      cargo-clippy clippy-driver cargo-miri
+    )
+    for link in ''${binlinks[@]}; do
+      ln -s rustup $link
+    done
+    popd
+
+    wrapProgram $out/bin/rustup --prefix "LD_LIBRARY_PATH" : "${libPath}"
+
+    # tries to create .rustup
+    export HOME=$(mktemp -d)
+    mkdir -p "$out/share/"{bash-completion/completions,fish/vendor_completions.d,zsh/site-functions}
+
+    # generate completion scripts for rustup
+    $out/bin/rustup completions bash rustup > "$out/share/bash-completion/completions/rustup"
+    $out/bin/rustup completions fish rustup > "$out/share/fish/vendor_completions.d/rustup.fish"
+    $out/bin/rustup completions zsh rustup >  "$out/share/zsh/site-functions/_rustup"
+
+    # generate completion scripts for cargo
+    # Note: fish completion script is not supported.
+    $out/bin/rustup completions bash cargo > "$out/share/bash-completion/completions/cargo"
+    $out/bin/rustup completions zsh cargo >  "$out/share/zsh/site-functions/_cargo"
+  '';
+
+  meta = with lib; {
+    description = "The Rust toolchain installer";
+    homepage = "https://www.rustup.rs/";
+    license = with licenses; [ asl20 /* or */ mit ];
+    maintainers = [ maintainers.mic92 ];
+  };
+}