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From:	"Vsevolod Buzinov" <vsv AT inweb DOT ru>
To:	<cygwin AT cygwin DOT com>
Subject:	16 bit MS-DOS Subsystem -- The NTVDM CPU has encountered an illegal instruction
Date:	Sat, 27 Apr 2002 14:14:28 +0400
MIME-Version:	1.0
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Hello everybody.

I has encountered an NTVDM CPU error while trying to make a cygwin hosted
linux crossgcc compiler.
I wonder if it is a known issue and is there any way to deal with this?

I have configured gcc successfully and issued make.
NTVDM fails on the stage of building libgcc I guess:

Configuring in i386-pc-linux-gnu/libiberty
loading cache ../config.cache
checking host system type... i386-pc-linux-gnu
checking build system type... i686-pc-cygwin
checking for i386-pc-linux-gnu-ar... (cached) i386-pc-linux-gnu-ar

[... skipped ...]

checking whether errno must be declared... no
checking whether the C compiler
(/opt/src/build-gcc-i386-pc-linux-gnu/gcc/xgcc -
B/opt/src/build-gcc-i386-pc-linux-gnu/gcc/ -B/usr/local/i386-pc-linux-gnu/bi
n/ -
B/usr/local/i386-pc-linux-gnu/lib/ -isystem
/usr/local/i386-pc-linux-gnu/include
 -g -O2 ) works... yes
checking whether the C compiler
(/opt/src/build-gcc-i386-pc-linux-gnu/gcc/xgcc -
B/opt/src/build-gcc-i386-pc-linux-gnu/gcc/ -B/usr/local/i386-pc-linux-gnu/bi
n/ -
B/usr/local/i386-pc-linux-gnu/lib/ -isystem
/usr/local/i386-pc-linux-gnu/include
 -g -O2 ) is a cross-compiler... no

Here I get a pop-up error message saying
16 bit MS-DOS Subsystem -- The NTVDM CPU has encountered an illegal
instruction [dump] Close Ignore

It seems to be a well-known issue but I can't find any way to get by it.
Any help much appreciated.

Thanks,
Vsevolod.


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