From: george AT george DOT org (Babylon7)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: HELP: Bison, Flex & C++ class support...
Date: Fri, 18 Apr 1997 03:13:47 GMT
Organization: Erol's Internet Services
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>>  got the following errors:
>> 
>>         bison.simple: In function `int yyparse()':
>>         bison.simple:377: warning: implicit declaration of function
>> `int yylex(...)'
>>         cplus.lex: In function `int yylex()':
>>         cplus.lex:21: warning: implicit declaration of function `int
>> yyerror(...)'
>>         d:/langs/djgpp/tmp\ccdaaaaa(.text+0x4b5):y_tab.cc: undefined
>> reference to `yylex'
>>         d:/langs/djgpp/tmp\cceaaaaa(.text+0x247):lexyy.cc: undefined
>> reference to `yyerror'
>
>These are warnings, not errors.
>
>The undefined references are just telling you that it saw the use of a
>function without a definition or prototype.  In other words, it hadn't
>heard of, say, `yyerror' until it saw you calling it.
>

	true... just warnings... but i got no output !!

	usually a warning will let you run the prog
	anyway to your own detriment.