title: symbol(s) not found for architecture armv6
body: <p>Please help me from the below error.</p>
  
  <p>I am working on graphs using 3rd party framework (libIPhonecharting), every thing works fine in simulator, but when I am trying to build .app file to install in IPAD Device I get the below error message.</p>
  
  <blockquote>
    <p>ignoring file
    /Users/xyz/Desktop/xyzIPAD/library/4.0/Release-iphoneos/libIPhoneCharting.a,
    file was built for archive which is not the architecture being linked
    (armv6)</p>
    
    <p>Undefined symbols for architecture armv6:   "_OBJC_CLASS_$_DTCStroke",
    referenced from:
          objc-class-ref in DemoLineChart.o   "_OBJC_CLASS_$_IPCBar3DChart", referenced from:
          objc-class-ref in DemoBar3DChart.o   "_OBJC_CLASS_$_IPCLineChart", referenced from:
          objc-class-ref in DemoLineChart.o   "_OBJC_CLASS_$_DTCDefaultCategoryDataset", referenced from:
          objc-class-ref in DemoBar3DChart.o
          objc-class-ref in DemoLineChart.o   "_DTC_STROKE_CAP_SQUARE", referenced from:
          +[DemoLineChart(Private) getRenderWithRender:] in DemoLineChart.o   "_OBJC_CLASS_$_IPCTitle", referenced from:
          objc-class-ref in DemoBar3DChart.o
          objc-class-ref in DemoLineChart.o   "_DTC_STROKE_JOIN_BEVEL", referenced from:
          +[DemoLineChart(Private) getRenderWithRender:] in DemoLineChart.o ld: symbol(s) not found for architecture armv6
    collect2: ld returned 1 exit status</p>
  </blockquote>