NetBSD/macppc kernel status | building gcc3

"_BIG_ENDIAN" redefined

with gcc-3.2:
ttyp3:makoto@ibook  11:10:30/020603(...compile/GENERIC-sosend_loan-inseucre-gcc3)# time make

gcc3 -msoft-float -ffreestanding -O2 -Wreturn-type -Werror -Wall \
-Wno-main -Wpointer-arith -Wmissing-prototypes -Wstrict-prototypes \
-Wno-uninitialized -Dmacppc -I.  -I../../../../arch \
-I../../../.. -nostdinc -DLKM -DDIAGNOSTIC -DTRAP_PANICWAIT \
-DMAXUSERS=32 -D_KERNEL -D_KERNEL_OPT -c swapnetbsd.c

In file included from machine/endian.h:3,
                 from ../../../../sys/types.h:100,
                 from ../../../../sys/param.h:90,
                 from swapnetbsd.c:1:
../../../../sys/endian.h:46:1: warning: "_BIG_ENDIAN" redefined
<command line>:18:1: warning: this is the location of the previous definition
*** Error code 1

Stop.
make: stopped in /export/netbsd-1-6/sys/arch/macppc/compile/GENERIC-sosend_loan-inseucre-gcc3
1.181u 0.837s 0:02.93 68.6%     0+0k 1+34io 128pf+0w
ttyp3:makoto@ibook  11:10:35/020603(...compile/GENERIC-sosend_loan-inseucre-gcc3)# 
with gcc-3.0.4, we don't have the problem.

/usr/local/lib/gcc-lib/powerpc-unknown-netbsd1.5ZC/3.2/include/arpa/nameser.h
(3.0.4 == 3.2 for this file)

    267 #ifndef BYTE_ORDER
    268 #if (BSD >= 199103)
    269 # include <machine/endian.h> 
    270 #else 
    271 #ifdef __linux__
    272 # include <endian.h>
    273 #else
    274 #define LITTLE_ENDIAN   1234    /* least-significant byte first (vax, pc) */
    275 #define BIG_ENDIAN      4321    /* most-significant byte first (IBM, net) */
    276 #define PDP_ENDIAN      3412    /* LSB first in word, MSW first in long (pdp)*/
    277  
    278 #if defined(vax) || defined(ns32000) || defined(sun386) || defined(i386) || \
    279     defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \
    280     defined(__alpha__) || defined(__alpha) || defined(__vax__)
    281 #define BYTE_ORDER      LITTLE_ENDIAN
    282 #endif  

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