[HEADSUP] flex/lex updated to 2.5.37 (from flex.sourceforge.net)

[Jung-uk Kim]

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On 2013-05-21 18:11:23 -0400, John Marino wrote:
> On 5/21/2013 23:05, Jung-uk Kim wrote:
>> Can you please explain the most common incompatibilities you 
>> experienced from dports?
>> 
>> FYI, I have added these two shims for FreeBSD:
>> 
>> http://svnweb.freebsd.org/changeset/base/250877 
>> http://svnweb.freebsd.org/changeset/base/250878
>> 
>> With these two shims, I was able to build older FreeBSD source
>> trees just fine.  Without them, I needed patches like this:
>> 
>> http://svnweb.freebsd.org/changeset/base/250227
> 
> 
> Yes, we had serious circular dependency issues because M4 was
> updated at the same time, and they require each other to build.  In
> the end, not only did we make the same sort of changes seen in your
> r250227, we also had to pregenerate one of the M4 source files to
> break the circular dependency.  After that it was possible to built
> older trees with the new M4/Flex.  But we didn't add the shims.

AFAICT, we don't have this problem. :-)

> You're going to find additional problems beyond those shims. Such
> as: -  YY_PROTO no longer defined -  yyleng data type redefined
> from int to size_t -  yyget_leng now predefined -  yylineno is now
> predefined -  upstream patches needed for non-trivial fixes etc.

Thanks for the pointers!

Jung-uk Kim
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