}

    def "different #compiler executables are probed and cached"() {
        def firstBinary = new File("first")
        def secondBinary = new File("second")
        when:
        def firstMetadata = metadataProvider(compiler).getCompilerMetaData([]) { it.executable(firstBinary) }

        then:
        interaction compilerShouldBeExecuted

        when:

            }
        """

        when:
        run "mainExecutable"

        then:
        def executable = executable("build/exe/main/main")
        executable.exec().out == "Hello!"
    }

    @ToBeFixedForConfigurationCache
    def "can build debug binaries for a C++ executable"() {
        given:
        buildFile << """
apply plugin: "cpp"

model {
    components {

  *serialized_entry.mutable_hlo_module() = hlo_module;

  // XLA compiler supports exporting executables as an AOT compilation result
  // to avoid running potentially expensive compilation pipeline twice.
  // Check if XLA compiler can export available executable.
  if (auto serialized_executable =
          compiler_client->SerializeExecutable(executable);
      serialized_executable.ok()) {

    case IrExportStage::OPTIMIZED_HLO:
    case IrExportStage::OPTIMIZED_HLO_SERIALIZED: {
      TF_ASSIGN_OR_RETURN(std::unique_ptr<xla::LocalExecutable> executable,
                          BuildExecutable(local_client, result, options));
      xla::Executable* new_executable = executable->executable();
      if (stage == IrExportStage::OPTIMIZED_HLO_SERIALIZED) {
        return new_executable->module().ToProto().SerializeAsString();
      } else {

var ErrNotFound = errors.New("executable file not found in $path")

func findExecutable(file string) error {
	d, err := os.Stat(file)
	if err != nil {
		return err
	}
	if m := d.Mode(); !m.IsDir() && m&0111 != 0 {
		return nil
	}
	return fs.ErrPermission
}

// LookPath searches for an executable named file in the

	if testing.Short() {
		t.Skip("slow test; skipping")
	}
	testenv.MustHaveExec(t)

	name, err := Executable()
	if err != nil {
		t.Fatal(err)
	}
	r, err := Open(name)
	if err != nil {
		t.Fatal(err)
	}
	defer r.Close()
	const n = 100
	var execs [n]string
	// First create n executables.
	for i := 0; i < n; i++ {
		// Rewind r.
		if _, err := r.Seek(0, io.SeekStart); err != nil {
			t.Fatal(err)

import (
	"errors"
	"internal/syscall/unix"
	"io/fs"
	"os"
	"path/filepath"
	"strings"
	"syscall"
)

// ErrNotFound is the error resulting if a path search failed to find an executable file.
var ErrNotFound = errors.New("executable file not found in $PATH")

func findExecutable(file string) error {
	d, err := os.Stat(file)
	if err != nil {
		return err
	}
	m := d.Mode()
	if m.IsDir() {
		return syscall.EISDIR

        }
    }

    @Override
    ExecutableFixture executable(Object path) {
        ExecutableFixture executable = super.executable(path)
        // Executables synced from a binary repo lose their executable bit
        executable.file.setExecutable(true)
        executable
    }

    Map<String, String> machine(String os, String architecture) {

                        dependentProjects)
            }
        }

        // Executable projects are generated with just source
        def allExecutables = getGeneratedExecutables()
        allExecutables.eachWithIndex { List<String> executables, int executableGroupIdx ->
            executables.eachWithIndex { String subprojectName, int idx ->

        File executable = commandLocation(command);
        if (executable.isFile()) {
            return executable;
        }

        if (userSupplied) { //then we want to validate strictly
            throw new JavaHomeException(String.format("The supplied javaHome seems to be invalid."
                + " I cannot find the %s executable. Tried location: %s", command, executable.getAbsolutePath()));