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Date: Sun, 30 Dec 2001 13:06:04 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: djgpp-workers AT delorie DOT com
Subject: Re: gcc 3.03 and libc sources
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On Thu, 27 Dec 2001, Martin Str|mberg wrote:

> According to Eli Zaretskii:
> > 
> > On Thu, 27 Dec 2001, Martin Str|mberg wrote:
> > 
> > > I tried to add "--std=c89" to gcc.opt and got an immense amount of
> > > warnings from trying to make dosexec.o
> > 
> > Could you post those warnings?  I don't know why we should get warnings 
> > for the old standard.
> 
> Ok. Here they are:
> 
> gcc ... -c dosexec.c
> dosexec.c: In function `check_talloc':
> dosexec.c:140: `E2BIG' undeclared (first use in this function)
> dosexec.c:140: (Each undeclared identifier is reported only once
> dosexec.c:140: for each function it appears in.)
> dosexec.c: In function `direct_exec_tail_1':
> dosexec.c:164: `__dpmi_regs' undeclared (first use in this function)
> dosexec.c:164: parse error before "r"

It sounds like --std=c89 defines __STRICT_ANSI__, which masks
non-standard parts of the headers.  Is that true?  (The GCC manual
doesn't seem to say that.)  If this is true, you have no hope of
compiling the library with --std=c89.