gopath := filepath.Join(work, "gopath")
	must(s.Setenv("GOPATH", gopath))
	gopathSrc := filepath.Join(gopath, "src")
	must(os.MkdirAll(gopathSrc, 0777))
	must(s.Chdir(gopathSrc))
	return telemetryDir
}

func scriptEnv(srv *vcstest.Server, srvCertFile string) ([]string, error) {
	httpURL, err := url.Parse(srv.HTTP.URL)
	if err != nil {
		return nil, err
	}

	}
	maybeSkip(t)
	where, err := os.Getwd()
	if err != nil {
		t.Fatal(err)
	}
	defer func() {
		if err := os.Chdir(where); err != nil {
			t.Fatal(err)
		}
	}()
	if err := os.Chdir(filepath.Join(buildCtx.GOROOT, "src", "text")); err != nil {
		t.Fatal(err)
	}
	var b strings.Builder
	var flagSet flag.FlagSet

	// socket file can not have length of more than 108 character
	// and hence we must use relative path
	oldDir, _ := os.Getwd()

	err := os.Chdir(socketDir)
	if err != nil {
		return "", err
	}
	defer func() {
		os.Chdir(oldDir)
	}()
	_, socketCreateError := net.Listen("unix", "mt.sock")
	return testSocketFile, socketCreateError
}

func TestFindExistingPrefix(t *testing.T) {

	if r0 == -1 && er != nil {
		err = er
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Chdir(path string) (err error) {
	_p0 := uintptr(unsafe.Pointer(C.CString(path)))
	r0, er := C.chdir(C.uintptr_t(_p0))
	if r0 == -1 && er != nil {
		err = er
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

	SYS_LINK                     = 9   // { int link(char *path, char *link); }
	SYS_UNLINK                   = 10  // { int unlink(char *path); }
	SYS_CHDIR                    = 12  // { int chdir(char *path); }
	SYS_FCHDIR                   = 13  // { int fchdir(int fd); }
	SYS_MKNOD                    = 14  // { int mknod(char *path, int mode, int dev); }
	SYS_CHMOD                    = 15  // { int chmod(char *path, int mode); }

	SYS_LINK                     = 9   // { int link(char *path, char *link); }
	SYS_UNLINK                   = 10  // { int unlink(char *path); }
	SYS_CHDIR                    = 12  // { int chdir(char *path); }
	SYS_FCHDIR                   = 13  // { int fchdir(int fd); }
	SYS_MKNOD                    = 14  // { int mknod(char *path, int mode, int dev); }
	SYS_CHMOD                    = 15  // { int chmod(char *path, int mode); }

  return strncpy(dest, src, n);
}

// ChDir(), FReopen(), FDOpen(), Read(), Write(), Close(), and
// StrError() aren't needed on Windows CE at this time and thus not
// defined there.

#if !GTEST_OS_WINDOWS_MOBILE
inline int ChDir(const char* dir) { return chdir(dir); }
#endif
inline FILE* FOpen(const char* path, const char* mode) {
  return fopen(path, mode);

  return strncpy(dest, src, n);
}

// ChDir(), FReopen(), FDOpen(), Read(), Write(), Close(), and
// StrError() aren't needed on Windows CE at this time and thus not
// defined there.

#if !GTEST_OS_WINDOWS_MOBILE
inline int ChDir(const char* dir) { return chdir(dir); }
#endif
inline FILE* FOpen(const char* path, const char* mode) {
  return fopen(path, mode);

		t.Skip("skipping test: gcc is missing")
	}

	tmpdir := t.TempDir()

	dir0, err := os.Getwd()
	if err != nil {
		t.Fatal(err)
	}
	defer os.Chdir(dir0)

	const src = `
#include <stdint.h>
#include <windows.h>

uintptr_t cfunc(void) {
   SetLastError(123);
   return 0;
}
`
	srcname := "nojack.c"

int ioctl(int, int, uintptr_t);
int fcntl(uintptr_t, int, uintptr_t);
int fsync_range(int, int, long long, long long);
int acct(uintptr_t);
int chdir(uintptr_t);
int chroot(uintptr_t);
int close(int);
int dup(int);
void exit(int);
int faccessat(int, uintptr_t, unsigned int, int);
int fchdir(int);
int fchmod(int, unsigned int);
int fchmodat(int, uintptr_t, unsigned int, int);
int fchownat(int, uintptr_t, int, int, int);