Method FixRelativePath

Source/cmGeneratorExpressionEvaluationFile.cxx:228–278

}

std::string cmGeneratorExpressionEvaluationFile::FixRelativePath(
  std::string const& relativePath, PathRole role, cmLocalGenerator const* lg)
{
  std::string resultPath;
  switch (this->PolicyStatusCMP0070) {
    case cmPolicies::WARN: {
      std::string arg;
      switch (role) {
        case PathForInput:
          arg = "INPUT";
          break;
        case PathForOutput:
          arg = "OUTPUT";
          break;
      }
      std::ostringstream w;
      /* clang-format off */
      w <<
        cmPolicies::GetPolicyWarning(cmPolicies::CMP0070) << "\n"
        "file(GENERATE) given relative " << arg << " path:\n"
        "  " << relativePath << "\n"
        "This is not defined behavior unless CMP0070 is set to NEW.  "
        "For compatibility with older versions of CMake, the previous "
        "undefined behavior will be used."
        ;
      /* clang-format on */
      lg->IssueMessage(MessageType::AUTHOR_WARNING, w.str());
    }
      CM_FALLTHROUGH;
    case cmPolicies::OLD:
      // OLD behavior is to use the relative path unchanged,
      // which ends up being used relative to the working dir.
      resultPath = relativePath;
      break;
    case cmPolicies::NEW:
      // NEW behavior is to interpret the relative path with respect
      // to the current source or binary directory.
      switch (role) {
        case PathForInput:
          resultPath = cmSystemTools::CollapseFullPath(
            relativePath, lg->GetCurrentSourceDirectory());
          break;
        case PathForOutput:
          resultPath = cmSystemTools::CollapseFullPath(
            relativePath, lg->GetCurrentBinaryDirectory());
          break;
      }
      break;
  }
  return resultPath;
}