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Date:      Fri, 5 Nov 1999 17:12:15 -0500
From:      Greg Lehey <grog@mojave.sitaranetworks.com>
To:        obrien@FreeBSD.ORG, current@FreeBSD.ORG
Subject:   Re: show stopper for Gcc 2.95.2 conversion
Message-ID:  <19991105171215.45417@mojave.sitaranetworks.com>
In-Reply-To: <19991105140415.A25486@dragon.nuxi.com>; from David O'Brien on Fri, Nov 05, 1999 at 02:04:15PM -0800
References:  <19991105012449.A74246@dragon.nuxi.com> <19991105140415.A25486@dragon.nuxi.com>

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On Friday,  5 November 1999 at 14:04:15 -0800, David O'Brien wrote:
> The current show stopper for switching over to GCC 2.95.2 is a problem
> compiling the `ahc' driver:
> 
> cc -c -O -pipe -Wall -Wredundant-decls -Wnested-externs
>     -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline
>     -Wcast-qual  -fformat-extensions -ansi  -nostdinc -I- -I. -I../..
>     -I../../../include  -DKERNEL -include opt_global.h -elf
>     ../../dev/aic7xxx/aic7xxx.c
> ../../dev/aic7xxx/aic7xxx.c: In function `ahc_download_instr':
> machine/bus.h:584: Invalid `asm' statement:
> machine/bus.h:584: fixed or forbidden register 2 (cx) was spilled for class CREG.
> *** Error code 1
> 
> The message is misleading, as the problematic header is
> /sys/i386/include/bus.h not, /usr/include/machine/bus.h.

In the kernel build environment, machine/ points to
../../i386/include.  From the point of view of the compiler, the name
is correct.

Greg
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