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From: Juan Manuel Guerrero <juan DOT guerrero AT gmx DOT de>
To: djgpp-workers AT delorie DOT com
Subject: Re: gcc-4.8 snapshots and DJGPP
Date: Sun, 29 Jul 2012 17:45:53 +0200
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Am Sonntag, 29. Juli 2012 schrieb Andris Pavenis:
> Tried to build the recent gcc-4.8 snapshots for DJGPP. Needed
> to update patch-set for source patching to work of course.
> 
> As earlier started with building Linux to DJGPP cross-compiler RPMs
> (with DJGPP source archive as side product).
> - all seems to be OK under Fedora 17 x86_64 (cross-compiler RPMs
>    gets built without problems)
> - tried to do the same under CentOS 5.8 i386 (really chroot under
>    the same Fedora installation). This time no success. Perhaps
>    gcc version 4.1.2 20080704 (Red Hat 4.1.2-52) present there is
>    too old. That could perhaps be fixed by taking some intermediate
>    version.
> - perhaps I should create CentOS 6.3 i386 chroot and retry
> 
> After that built native compiler for DJGPP (tried only DJGPP v2.04pre).
> It built practically "out of box" except of random compiler errors
> time at time similarly as with some earlier stable version.
> 
> I think that one of suspects is nmalloc used instead of DJGPP own memory
> allocation (as DJGPP free() is too slow). I had some stability problems
> earlier running my own test program (linked with nmalloc) which allocates
> large numbers of random memory blocks and after that frees them in random
> order. That memory allocation test program caused random NTVDM crashes
> on Windows Vista.
> 
> Not much testing done with built GCC snapshot though. Built GMP-5.0.5, but one of
> test-suite programs (mpz/t-io_raw.exe) failed. I did not have time
> to study why it fails yet.
> 
> I could make archives available somewhere if somebody is interested
> to do more testing.
> 
> Andris
> 
> PS. I used gcc-4.8-20120722 downloaded from ftp://gcc.gnu.org
> 
> 
> 


If you make the zip files of the sources available I will try to build
them on my XP, 2K, 98SE and msdos installations.

Regards,
Juan M. Guerrero