From owner-cvs-all  Mon Dec  3 20:51: 5 2001
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Date: Tue, 4 Dec 2001 15:51:15 +1100 (EST)
From: Bruce Evans <bde@zeta.org.au>
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To: Robert Watson <rwatson@FreeBSD.org>
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Subject: Re: cvs commit: src/usr.bin/yacc closure.c error.c lalr.c lr0.c
 main.c         mkpar.c output.c reader.c skeleton.c symtab.c verbose.c
 warshall.c
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On Mon, 3 Dec 2001, Robert Watson wrote:

> This breaks the upgrade path from systems that have pre-FBSDID includes,
> as yacc is part of the build tools that are built using native system
> includes.  Not sure what the right solution is, but it might include one
> of:
>
> (1) don't use FBSDID for build tools
> (2) don't build build tools on non-recent FreeBSD systems
> (3) provide an include stub for build tools that defines FBSDID

(1) is right.  Build tools should be written in Standard C.  Yacc was
a good example of such a tool.  It was first broken in rev.1.2 of
defs.h, etc. (#include <sys/cdefs.h> to declare prototypes using __P).
Then it was broken in rev.1.6 of defs.h. etc. (#include <err.h> to
use the err() family).

Bruce


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