Function FindOwnExecutable

Source/cmSystemTools.cxx:3020–3064

#endif

std::string FindOwnExecutable(char const* argv0)
{
#if defined(_WIN32) && !defined(__CYGWIN__)
  static_cast<void>(argv0);
  wchar_t modulepath[_MAX_PATH];
  ::GetModuleFileNameW(nullptr, modulepath, sizeof(modulepath));
  std::string exe = cmsys::Encoding::ToNarrow(modulepath);
#elif defined(__APPLE__)
  static_cast<void>(argv0);
#  define CM_EXE_PATH_LOCAL_SIZE 16384
  char exe_path_local[CM_EXE_PATH_LOCAL_SIZE];
#  if defined(MAC_OS_X_VERSION_10_3) && !defined(MAC_OS_X_VERSION_10_4)
  unsigned long exe_path_size = CM_EXE_PATH_LOCAL_SIZE;
#  else
  uint32_t exe_path_size = CM_EXE_PATH_LOCAL_SIZE;
#  endif
#  undef CM_EXE_PATH_LOCAL_SIZE
  char* exe_path = exe_path_local;
  if (_NSGetExecutablePath(exe_path, &exe_path_size) < 0) {
    exe_path = static_cast<char*>(malloc(exe_path_size));
    _NSGetExecutablePath(exe_path, &exe_path_size);
  }
  std::string exe = exe_path;
  if (exe_path != exe_path_local) {
    free(exe_path);
  }
  if (IsCMakeAppBundleExe(exe)) {
    // The executable is inside an application bundle.
    // The install tree has "..<CMAKE_BIN_DIR>/cmake-gui".
    // The build tree has '../../../cmake-gui".
    std::string dir = cmSystemTools::GetFilenamePath(exe);
    dir = cmSystemTools::GetFilenamePath(dir);
    exe = cmStrCat(dir, CMAKE_BIN_DIR "/cmake-gui");
    if (!cmSystemTools::PathExists(exe)) {
      dir = cmSystemTools::GetFilenamePath(dir);
      dir = cmSystemTools::GetFilenamePath(dir);
      exe = cmStrCat(dir, "/cmake-gui");
    }
  }
#else
  std::string exe = cmsys::SystemTools::FindProgram(argv0);
#endif
  exe = cmSystemTools::ToNormalizedPathOnDisk(std::move(exe));
  return exe;
}

#ifndef CMAKE_BOOTSTRAP
bool ResolveSymlinkToOwnExecutable(std::string& exe, std::string& exe_dir)