[748] in SIPB_Linux_Development
yywrap problems
daemon@ATHENA.MIT.EDU (ghudson@MIT.EDU)
Mon Oct 17 12:51:03 1994
From: ghudson@MIT.EDU
Date: Mon, 17 Oct 94 12:50:44 -0400
To: linux-dev@MIT.EDU
Cc: jhbrown@MIT.EDU
For the record, when you get an undefined symbol yywrap(), it's
because your lex code doesn't define yywrap() and isn't linking
against the lex or flex library. One solution (what I did with
libcomm_err) is to add your own yywrap():
%{
/* Sometimes a macro by default, but not always, so we provide a
* function. */
#undef yywrap
%}
stuff
%%
stuff
%%
stuff
int yywrap()
{
return 1;
}