Method NeedRelinkBeforeInstall

Source/cmGeneratorTarget.cxx:1358–1430

}

bool cmGeneratorTarget::NeedRelinkBeforeInstall(
  std::string const& config) const
{
  // Only executables and shared libraries can have an rpath and may
  // need relinking.
  if (this->GetType() != cmStateEnums::EXECUTABLE &&
      this->GetType() != cmStateEnums::SHARED_LIBRARY &&
      this->GetType() != cmStateEnums::MODULE_LIBRARY) {
    return false;
  }

  // If there is no install location this target will not be installed
  // and therefore does not need relinking.
  if (!this->Target->GetHaveInstallRule()) {
    return false;
  }

  // If skipping all rpaths completely then no relinking is needed.
  if (this->Makefile->IsOn("CMAKE_SKIP_RPATH")) {
    return false;
  }

  // If building with the install-tree rpath no relinking is needed.
  if (this->GetPropertyAsBool("BUILD_WITH_INSTALL_RPATH")) {
    return false;
  }

  // If chrpath is going to be used no relinking is needed.
  if (this->IsChrpathUsed(config)) {
    return false;
  }

  // Check for rpath support on this platform.
  std::string ll = this->GetLinkerLanguage(config);
  if (!ll.empty()) {
    std::string flagVar =
      cmStrCat("CMAKE_SHARED_LIBRARY_RUNTIME_", ll, "_FLAG");
    if (!this->Makefile->IsSet(flagVar)) {
      // There is no rpath support on this platform so nothing needs
      // relinking.
      return false;
    }
  } else {
    // No linker language is known.  This error will be reported by
    // other code.
    return false;
  }

  // If either a build or install tree rpath is set then the rpath
  // will likely change between the build tree and install tree and
  // this target must be relinked.
  bool have_rpath =
    this->HaveBuildTreeRPATH(config) || this->HaveInstallTreeRPATH(config);
  bool is_ninja = this->LocalGenerator->GetGlobalGenerator()->IsNinja();

  if (have_rpath && is_ninja) {
    std::ostringstream w;
    /* clang-format off */