I have compiled the flex version 2.5.33 and used that Executable. i have got the following errors. Kindly please help me to resolve the same. thanks in advance.

--------------------Configuration: nxcore - Win32 Debug--------------------
Linking...
  Creating library Debug/nxcore.lib and object Debug/nxcore.exp
nxmp_parser.obj : error LNK2001: unresolved external symbol "int __cdecl yylex_destroy(void *)" (?yylex_destroy@@YAHPAX@Z)
nxmp_parser.obj : error LNK2001: unresolved external symbol "void __cdecl yyset_extra(class NXMP_Lexer *,void *)" (?yyset_extra@@YAXPAVNXMP_Lexer@@PAX@Z)
nxmp_parser.obj : error LNK2001: unresolved external symbol "int __cdecl yylex_init(void * *)" (?yylex_init@@YAHPAPAX@Z)
nxmp_parser.tab.obj : error LNK2001: unresolved external symbol "int __cdecl yylex(union YYSTYPE *,void *,class NXMP_Parser *)" (?yylex@@YAHPATYYSTYPE@@PAXPAVNXMP_Parser@@@Z)
Debug/nxcore.dll : fatal error LNK1120: 4 unresolved externals
Error executing link.exe.

Regards,

Antony Vasanth