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Message-ID:	<003001c1809d$e0ff19c0$0102a8c0@acceleron>
From:	"Andrew Cottrell" <acottrel AT ihug DOT com DOT au>
To:	<djgpp-workers AT delorie DOT com>, "Charles Sandmann" <sandmann AT clio DOT rice DOT edu>
References:	<10112090644 DOT AA19383 AT clio DOT rice DOT edu> <002b01c1808e$7f2fe080$0102a8c0 AT acceleron>
Subject:	Re: v2.03 refresh ready for review/testing
Date:	Sun, 9 Dec 2001 21:39:01 +1100
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Reply-To:	djgpp-workers AT delorie DOT com

Charles,

More testing info below. Have you been able to build GCC 2.9.5.3 on 2K or
XP? I can build it on 98 using the GCC built..

> > > I spotted in src\libc\dos\process\dosexec.c that at about line 389
that
> the
> > > 2.04 has the following :-
> > >   /* Work around the W2K NTVDM bug; see dpmiexcp.c for detailed
> > >      explanations.  */
> > >   __maybe_fix_w2k_ntvdm_bug();
> > >
> > > The updated 2.03 file does not have this. The function is
> direct_exec_tail_1
> > > (). Could this be the cause of the problems I haev seen?
I added the __maybe_fix_w2k_ntvdm_bug() call in  dosexec.c and re-built LIBC
on Win 98 and then make, bash, binutils and GCC 2.9.5.3.  I then copied the
updtaed exe files and unzipped the GCC zip files on my XP PC. The GCC build
still failed in the same way as before.

I after a failure with not enough memory I run build again in the same cmd
prompt it fails again, but then I don't have enough memory to load list. The
following is the command prompt output from  the seond build:-

DJGPP H:\djgpp\gnu\gcc-2.953\build.djg>build
Configuring GCC-2.95.3...
BASH_VERSION: 2.04.7(1)-release
Build failed
DJGPP H:\djgpp\gnu\gcc-2.953\build.djg>list

Not enough memory (2)

DJGPP H:\djgpp\gnu\gcc-2.953\build.djg>mem

    655360 bytes total conventional memory
    655360 bytes available to MS-DOS
     66608 largest executable program size

   1048576 bytes total contiguous extended memory
         0 bytes available contiguous extended memory
    941056 bytes available XMS memory
           MS-DOS resident in High Memory Area

DJGPP H:\djgpp\gnu\gcc-2.953\build.djg>


The failure on the second attempt occured in the config stage. The last few
lines in the djconfig.log file are:-

checking GCC_EXEC_PREFIX variable... ok
checking host system type... i586-pc-msdosdjgpp
checking target system type... i586-pc-msdosdjgpp
checking build system type... i586-pc-msdosdjgpp
checking for gcc... (cached) gcc
checking whether the C compiler (gcc -O2 ) works... no
configure: error: installation or configuration problem: C compiler cannot
create executables.
Configure in /dev/h/djgpp/gnu/gcc-2.953/build.djg/gcc failed, exiting.

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