Nsight 6.5 can't build, when custom settings were on cu files

Nsight Version 6.5
Platform : Mac OS X

  1. Create a new cuda project from examples or not.
  2. Create custom setting on the file “example.cu”, like set new predefine symbol BUG_TEST.
  3. Build the project.
    The result:
    Errors occurred during the build.
    Errors running builder ‘CDT Builder’ on project ‘BugRep’.
    org.eclipse.cdt.managedbuilder.internal.core.ResourceConfiguration cannot be cast to org.eclipse.cdt.managedbuilder.core.IToolChain