forked from trinitrix/core
Build(flake): Add rustc cranelift codegen to development shell
This is executed by running `cargo clif` instead of `cargo`. It _should_ result in decreased compile times (around 30%).
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A5E94010C3A642AD
231
flake.nix
231
flake.nix
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@ -29,6 +29,29 @@
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flake-utils.follows = "flake-utils";
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};
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};
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# cranelift
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rustc_cranelift_backend = {
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url = "github:bjorn3/rustc_codegen_cranelift/dev";
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flake = false;
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};
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rustc_cranelift_backend_src = {
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url = "https://github.com/bjorn3/rustc_codegen_cranelift/releases/download/dev/cg_clif-x86_64-unknown-linux-gnu.tar.xz";
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flake = false;
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};
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# # dependencies
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# rust_regex ={
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# url = "git+https://github.com/rust-lang/regex.git";
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# flake = false;
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# };
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# rust_portable_simd = {
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# url = "git+https://github.com/rust-lang/portable-simd.git";
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# flake = false;
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# };
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# rust_rand = {
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# url = "git+https://github.com/rust-random/rand.git";
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# flake = false;
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# };
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};
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outputs = {
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@ -37,9 +60,208 @@
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crane,
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flake-utils,
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rust-overlay,
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rustc_cranelift_backend,
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rustc_cranelift_backend_src,
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# rust_regex,
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# rust_portable_simd,
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# rust_rand,
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...
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}:
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flake-utils.lib.eachDefaultSystem (system: let
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rcb_deps = let
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c_rust = pkgs.rust-bin.fromRustupToolchainFile "${rustc_cranelift_backend}/rust-toolchain";
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in
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pkgs.stdenv.mkDerivation {
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pname = "rustc_cranelift_backend_dependencies";
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version = "1.0";
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nativeBuildInputs = with pkgs; [git curl cacert c_rust];
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src = "${rustc_cranelift_backend}";
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# old implementation {{{
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#"${rust_regex}" "${rust_portable_simd}" "${rust_rand}"
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#];
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#sourceRoot = "source";
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# preUnpack = ''
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# #set -x;
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# unpackCmdHooks=(_defaultUnpack);
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# checkForHashToName() {
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# case "$1" in
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# "regex")
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# echo source/download/regex
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# ;;
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# "portable-simd")
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# echo source/download/portable-simd
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# ;;
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# "rand")
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# echo source/download/rand
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# ;;
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# "rustc_codegen_cranelift")
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# echo source
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# ;;
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# *)
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# echo "Warning: Unable to turn hash ($1) to name!" 1>&2
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# echo "Using another method" 1>&2
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# echo null;
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# ;;
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# esac
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# }
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# fail() {
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# echo "$@";
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# exit 1;
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# }
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# _defaultUnpack(){
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# local fn="$1"
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# local destination
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# local finalDestination
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#
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# # extrem hacky solution to turn the nix hash path to useful names:
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# destination="$(sed -n '2p' "$fn/Cargo.toml" | sed 's|name = "||' | sed 's|"||')"
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#
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# finalDestination="$(checkForHashToName "$destination")"
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# if [ "$finalDestination" = "null" ]; then
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# if grep "Portable SIMD" "$fn"/README.md > /dev/null 2>&1; then
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# destination="portable-simd";
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# else
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# echo "Can not grep readme directly"
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# fi
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# fi
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#
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# finalDestination="$(checkForHashToName "$destination")"
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# if [ "$finalDestination" = "null" ]; then
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# fail "No idea how to turn your hash to a name, sorry!";
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# fi
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#
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# echo "Final destination is '$finalDestination'"
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# destination="$finalDestination"
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# echo "Copying '$fn' to '$destination'"
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#
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# mkdir --parents "$destination";
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# # We can't preserve hardlinks because they may have been
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# # introduced by store optimization, which might break things
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# # in the build.
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# cp -pr --reflink=auto -- "$fn"/. "$destination"
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# chmod -R u+w "$destination"
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# }
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# '';
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# }}}
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buildPhase = ''
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bash ./y.sh prepare
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'';
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installPhase = ''
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install -d $out/
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cp -r ./. $out/
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'';
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fixupPhase = ''
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set -x
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''; # skip it
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CARGO = "${c_rust}/bin/cargo";
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RUSTC = "${c_rust}/bin/rustc";
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RUSTDOC = "${c_rust}/bin/rustdoc";
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CARGO_HOME = "/build/cargo";
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outputHashAlgo = "sha512";
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outputHashMode = "recursive";
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outputHash = "sha512-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==";
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};
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rcb = let
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c_rust = pkgs.rust-bin.fromRustupToolchainFile "${rustc_cranelift_backend}/rust-toolchain";
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in
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pkgs.stdenv.mkDerivation {
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pname = "rustc_cranelift_backend";
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version = "1.0";
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nativeBuildInputs = [c_rust];
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src = "${rcb_deps}";
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buildPhase = ''
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bash ./y.sh build
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'';
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installPhase = ''
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install -d $out/
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cp -r ./dist/. $out/
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'';
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CARGO = "${c_rust}/bin/cargo";
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RUSTC = "${c_rust}/bin/rustc";
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RUSTDOC = "${c_rust}/bin/rustdoc";
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CARGO_HOME = "/build/cargo";
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};
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c_rust = pkgs.rust-bin.fromRustupToolchainFile "${rustc_cranelift_backend}/rust-toolchain";
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rcb_better = pkgs.stdenv.mkDerivation {
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pname = "rustc_cranelift_backend";
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version = "1.0";
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buildInputs = [c_rust];
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nativeBuildInputs = with pkgs; [gawk fd];
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srcs = ["${rustc_cranelift_backend_src}" "${c_rust}"];
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sourceRoot = ".";
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postUnpack = ''
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rust_dir="$(fd . --max-depth 1 | awk '!/source/ && !/env-vars/')"
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# remove unneeded stuff
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rm -r "$rust_dir"/{bin,nix-support,share};
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rm -r "$rust_dir"/lib/rustlib/{etc,src,rustc-src};
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cp -r "$rust_dir"/. source/extra_dependencies
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rm -r "$rust_dir"
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cd source
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'';
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postPatch = ''
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# patch bins
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for file in $(fd . --type file);do
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file="$(file --mime "$file" | awk 'BEGIN{FS=":"}/application\/x-pie-executable/{print $1}')";
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if [ "$file" ]; then
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echo "file: '$file' matches";
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correct_interpreter_path="$(ldd "$file" | tail -n1 | awk 'BEGIN{FS="=> "} {print $2}' | awk 'BEGIN{FS=" "}{print $1}')"
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echo "correct interpreter path is: '$correct_interpreter_path'"
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patchelf --set-interpreter "$correct_interpreter_path" "$file"
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if [ "$(patchelf --print-interpreter "$file")" = "$correct_interpreter_path" ];then
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echo "Set interpreter";
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else
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echo "Failed to set interprter, the interpreter still is $(patchelf --print-interpreter )";
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exit 1
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fi
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fi
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done
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# patch libs
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all_files=$(mktemp);
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for file in $(fd .);do
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canonical_path="$(readlink -f "$file")"
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file="$(file --mime "$canonical_path" | awk 'BEGIN{FS=":"}/application\/x-sharedlib/{print $1}')";
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if [ "$file" ]; then
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echo "$file" >> $all_files;
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fi
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done
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while read -r file; do
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echo "___________________";
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echo "Checking file: '$file'";
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is_missing="$(ldd "$file" | awk 'BEGIN{FS="=>"}{if (/not found/){print $1}}')"
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if [ "$is_missing" ];then
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echo "Warning: The following things are missing:";
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for line in $is_missing; do
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echo " $line";
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done
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echo
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for line in $is_missing; do
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echo "Searching for a substitute for '$line'"
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substitute="$(grep "$line" "$all_files" | awk 'BEGIN{FS=" "}{print $1}' | tail -n1)";
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if [ "$substitute" ]; then
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echo "Found '$substitute', which can substitute '$line'"
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echo "Patching.."
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patchelf --replace-needed "$line" "$(readlink -f "$substitute")" "$file";
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else
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echo "Error: Failed to find a substitute"
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fi
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done
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else
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echo "This file is not missing anything"
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fi
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done < $all_files
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rm $all_files
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'';
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installPhase = ''
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install -d $out/
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cp -r ./. $out/
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'';
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};
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pkgs = import nixpkgs {
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inherit system;
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overlays = [(import rust-overlay)];
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nativeBuildInputs = with pkgs; [
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pkg-config
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mold
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rcb_better
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#self.packages."${system}".cranelift-deps
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];
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buildInputs = with pkgs; [
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openssl
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lua54Packages.stdlib
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];
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craneBuild = craneLib.buildPackage {
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@ -69,7 +292,11 @@
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inherit nativeBuildInputs buildInputs;
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};
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in {
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packages.default = craneBuild;
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packages = {
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default = craneBuild;
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cranelift = rcb_better;
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cranelift-deps = c_rust;
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};
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app.default = {
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type = "app";
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