[Uml-devel] Problems compiling with flex 2.5.31

[Jonathan Riddell]

On Sun, 27 Apr 2003, Michel Hermier wrote:

> On Sunday 27 April 2003 01:42, Jonathan Riddell wrote:
> > On Thu, 24 Apr 2003, Albert Chin wrote:
> > > Trying to build on Redhat Linux 7.1 with GCC 3.2, KDE 3.1.1, Qt 3.1.2:
> > > ...
> > > In file included from tokenizer.l:25:
> > > /opt/TWWfsw/flex25/include/FlexLexer.h:113: redefinition of `class
> > > yyFlexLexer' /opt/TWWfsw/flex25/include/FlexLexer.h:113: previous
> > > definition of `class yyFlexLexer'
> > > /opt/TWWfsw/flex25/include/FlexLexer.h:113: confused by earlier errors,
> > > bailing out gmake[3]: *** [tokenizer.o] Error 1
> > > gmake[3]: Leaving directory `/opt/build/umbrello-1.1.1/uml/classparser'
> > >
> > > I can fix this by adding:
> > >   #undef yyFlexLexer
> > > after the following in FlexLexer.h:
> > >   #define yyFlexLexerOnce
> > >
> > > Is this just flex being silly?
> >
> > Interesting (and disappointing).  Flex 2.5.31 is new, can you tell us if
> > the same error occurs with Flex 2.5.27?
> >
>
> Works well for me with 2.5.27, and get the same problem with 2.5.31.
> Removing the #include "FlexLexer.h" at the begining solve the problem, as it
> is now automatically included in the generated c++ file( for automatic lexer
> name prefix I guess ).
> Maybe the option nomain is also missing.

It seems to work for me if I remove
#include "FlexLexer.h"

can it be safely removed and still work with 2.5.4, 2.5.27 and fix 2.5.31?

Thanks for the help

Jonathan Riddell