I have first and last occurance in my lib file,please help how to resolve this issue

Do you also have all of the "unresolved external symbol" errors in between the first and last occurrences ?
Could you please provide the output of running  perl -V
Are you actually using Visual Studio 10 as your C compiler ? (Assuming that you are using a Microsoft Compiler, the output of running  cl /? might also be useful.)

Cheers,
Rob

In reply to Re^3: XMl-Parser build failed on windows X64 with VStuido10 by syphilis
in thread XMl-Parser build failed on windows X64 with VStuido10 by pthiru

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