lightswitch 0.6.0

CPU profiler as a library for Linux suitable for on-demand and continuous profiling
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{ pkgs, system }:
let
  test-f77-progs = pkgs.stdenv.mkDerivation {
    dontStrip = true;
    name = "build-test-f77-prog";
    src = ./.;
    buildPhase = ''
      cd src/

      make
    '';
    installPhase = ''
      mkdir -p $out/bin

      mv basic_stack_f77-O* $out/bin
    '';

    buildInputs = [
      pkgs.gfortran13
    ];
  };
  test-cpp-progs = pkgs.stdenv.mkDerivation {
    name = "build-test-cpp-prog";
    src = ./.;
    buildPhase = ''
      cd src/

      gcc -O1 main.cpp -o main_cpp_gcc_O1
      gcc -O2 main.cpp -o main_cpp_gcc_O2
      gcc -O3 main.cpp -o main_cpp_gcc_O3

      clang -O1 -fomit-frame-pointer main.cpp -o main_cpp_clang_O1
      clang -O2 -fomit-frame-pointer main.cpp -o main_cpp_clang_O2
      clang -O3 -fomit-frame-pointer main.cpp -o main_cpp_clang_O3

      clang -O3 -fno-omit-frame-pointer main.cpp -o main_cpp_clang_no_omit_fp_O3
      clang -O1 -fomit-frame-pointer -fasynchronous-unwind-tables large_stack_frame.cpp -o large_stack_frame

      ${if system == "aarch64-linux" then "clang -O3 -mbranch-protection=pac-ret main.cpp -o main_cpp_clang_pac" else ""}
    '';
    installPhase = ''
      mkdir -p $out/bin

      cp main_cpp_gcc_O1 $out/bin
      cp main_cpp_gcc_O2 $out/bin
      cp main_cpp_gcc_O3 $out/bin

      cp main_cpp_clang_O1 $out/bin
      cp main_cpp_clang_O2 $out/bin
      cp main_cpp_clang_O3 $out/bin

      cp main_cpp_clang_no_omit_fp_O3 $out/bin
      cp large_stack_frame $out/bin
      ${if system == "aarch64-linux" then "cp main_cpp_clang_pac $out/bin" else ""}
    '';
    buildInputs = [
      pkgs.gcc
      pkgs.clang
    ];
  };

  test-static-glibc-cpp-progs = pkgs.stdenv.mkDerivation {
    name = "build-test-static-glibc-cpp-prog";
    src = ./.;
    buildPhase = ''
      cd src/
      clang -O3 -static main.cpp -o main_cpp_clang_static_glibc_O3
    '';
    installPhase = ''
      mkdir -p $out/bin
      cp main_cpp_clang_static_glibc_O3 $out/bin
    '';
    buildInputs = [
      pkgs.clang
      pkgs.glibc.static
    ];
  };

  test-static-musl-cpp-progs = pkgs.stdenv.mkDerivation {
    name = "build-test-static-musl-cpp-prog";
    src = ./.;
    buildPhase = ''
      cd src/
      clang -O3 -static --target=x86_64-unknown-linux-musl main.cpp -o main_cpp_clang_static_musl_O3
    '';
    installPhase = ''
      mkdir -p $out/bin
      cp main_cpp_clang_static_musl_O3 $out/bin
    '';
    buildInputs = [
      pkgs.clang
      pkgs.musl
    ];
  };

  test-go-progs = pkgs.stdenv.mkDerivation {
    name = "build-test-go-prog";
    src = ./.;
    buildPhase = ''
      export HOME=$TMPDIR
      cd src/go
      go build -o main_go main.go
      CGO_ENABLED=0 go build -ldflags "-w -s" -o main_go_stripped main.go
      CGO_ENABLED=0 go build -o main_go_static main.go
    '';
    installPhase = ''
      mkdir -p $out/bin
      cp main_go $out/bin
      cp main_go_stripped $out/bin
      cp main_go_static $out/bin
    '';
    buildInputs = [
      pkgs.go
    ];
  };

  test-ocaml-progs = pkgs.stdenv.mkDerivation {
    name = "build-test-ocaml-prog";
    src = ./.;
    dontStrip = true;
    buildPhase = ''
      cd src/ocaml
      ocamlopt main.ml -o main_ocaml
    '';
    installPhase = ''
      mkdir -p $out/bin
      cp main_ocaml $out/bin
    '';
    buildInputs = [
      pkgs.ocaml
    ];
  };

  test-all-progs = pkgs.symlinkJoin {
    name = "all-progs";
    paths = [
      test-cpp-progs
      test-go-progs
      test-ocaml-progs
    ];
  };
in
{
  default = test-cpp-progs;
  cpp-progs = test-cpp-progs;
  go-progs = test-go-progs;
  ocaml-progs = test-ocaml-progs;
  cpp-progs-static-musl = test-static-musl-cpp-progs;
  all-progs = test-all-progs;
}