[Uml-devel] Problems compiling with flex 2.5.31

[Jonathan Riddell]

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?

Thanks
Jonathan Riddell