Re: Cygwin 'byacc' question

Andrey Tarasevich <andreytarasevich@hotmail.com> wrote:
> Hello


> I'm using Berkley Yacc (byacc) generator from Cygwin package in my
> project and now I'm in the process of switching to the newer version
> of Cygwin. While doing this I ran into the following problem. The old
> version of byacc (identifies itself as 'Berkley Yacc (+28-B19)' and
> appears to be pretty ancient) declared file-scope data in the


"+28-B19" sounds like a Cygwin version.


Cygwin has a CVS for this program, which covers part of the changes
they made. (I don't recall the url - just that I came across it a few
years ago, and decided that most of the changes I didn't want).


> following manner (using 'yycheck' as an example):


> static YYCONST short yycheck[] = { <whatever> };


> The new version (identifies itself as 'Berkley Yacc 1.9') taking the
> same input generates a .c file, which declares the same data as
> follows:


> const short yycheck[] = { <whatever> };


And the original version is written in K&R C and doesn't use const.
(It didn't use "static" either - which seems the be the impetus for this
thread).


--
Thomas E. Dickey
http://invisible-island.net
ftp://invisible-island.net

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