Method WriteMakeVariables

Source/cmLocalUnixMakefileGenerator3.cxx:661–735

}

void cmLocalUnixMakefileGenerator3::WriteMakeVariables(
  std::ostream& makefileStream)
{
  this->WriteDivider(makefileStream);
  makefileStream << "# Set environment variables for the build.\n"
                    "\n";
  cmGlobalUnixMakefileGenerator3* gg =
    static_cast<cmGlobalUnixMakefileGenerator3*>(this->GlobalGenerator);
  if (gg->DefineWindowsNULL) {
    makefileStream << "!IF \"$(OS)\" == \"Windows_NT\"\n"
                      "NULL=\n"
                      "!ELSE\n"
                      "NULL=nul\n"
                      "!ENDIF\n";
  }
  if (this->IsWindowsShell()) {
    makefileStream << "SHELL = cmd.exe\n"
                      "\n";
  } else {
#if !defined(__VMS)
    makefileStream << "# The shell in which to execute make rules.\n"
                      "SHELL = /bin/sh\n"
                      "\n";
#endif
  }

  auto getShellCommand = [this](std::string command) -> std::string {
    std::string shellCommand = this->MaybeConvertWatcomShellCommand(command);
    return shellCommand.empty()
      ? this->ConvertToOutputFormat(command, cmOutputConverter::SHELL)
      : shellCommand;
  };

  std::string cmakeShellCommand =
    getShellCommand(cmSystemTools::GetCMakeCommand());

  makefileStream << "# The CMake executable.\n"
                    "CMAKE_COMMAND = "
                 << cmakeShellCommand << "\n";

#ifndef CMAKE_BOOTSTRAP
  if (this->GetCMakeInstance()->GetInstrumentation()->HasQuery() &&
      // FIXME(#27079): This does not work for MSYS Makefiles.
      this->GlobalGenerator->GetName() != "MSYS Makefiles") {
    std::string ctestShellCommand =
      getShellCommand(cmSystemTools::GetCTestCommand());
    makefileStream << "# The CTest executable.\n"
                      "CTEST_COMMAND = "
                   << ctestShellCommand << "\n";
  }
#endif

  makefileStream
    << "\n"
       "# The command to remove a file.\n"
       "RM = "
    << cmakeShellCommand
    << " -E rm -f\n"