Need help with linux to sunos crossgcc (gcc-2.95)

[fred anger <anger@triib.com>]

Hi.  I'm trying to build a linux to sunos4 cross compiler under
gcc-2.95.  I built and installed the sunos4 binutils-2.9.1
(target=sparc-sun-sunos4) on the linux machine, and configured gcc-2.95
with --target="sparc-sun-sunos4" in a separate directory, as directed. 
When I run 'make' to build everything, it compiles a bunch of stuff and
does some includes fixing, but eventually dies.  I've appended the
surrounding output in hopes that someone can spot what I'm doing wrong. 
Thank you for your time.

[snip]
make[2]: Leaving directory `/local/src/builds/cross/newgcc/gcc'
touch stmp-multilib
touch chill-cross
gcc -c -DCROSS_COMPILE -DIN_GCC -DHAIFA    -g -O2  -DHAVE_CONFIG_H   
-I. -I../../../../gcc-2.95/gcc -I../../../../gcc-2.95/gcc/config
-I../../../../gcc-2.95/gcc/../include
../../../../gcc-2.95/gcc/cp/g++spec.c
In file included from /usr/include/unistd.h:96,
                 from ../../../../gcc-2.95/gcc/system.h:149,
                 from ../../../../gcc-2.95/gcc/cp/g++spec.c:22:
/usr/include/gnu/types.h:133: warning: `__FD_SETSIZE' redefined
/usr/include/linux/posix_types.h:33: warning: this is the location of
the previous definition
/usr/include/gnu/types.h:136: warning: `__NFDBITS' redefined
/usr/include/linux/posix_types.h:30: warning: this is the location of
the previous definition
/usr/include/gnu/types.h:138: warning: `__FDMASK' redefined
/usr/include/linux/posix_types.h:42: warning: this is the location of
the previous definition
/usr/include/gnu/types.h:147: warning: `__FD_ZERO' redefined
/usr/include/asm/posix_types.h:69: warning: this is the location of the
previous definition
/usr/include/gnu/types.h:148: warning: `__FD_SET' redefined
/usr/include/asm/posix_types.h:45: warning: this is the location of the
previous definition
/usr/include/gnu/types.h:149: warning: `__FD_CLR' redefined
/usr/include/asm/posix_types.h:50: warning: this is the location of the
previous definition
/usr/include/gnu/types.h:150: warning: `__FD_ISSET' redefined
/usr/include/asm/posix_types.h:58: warning: this is the location of the
previous definition
In file included from ../../../../gcc-2.95/gcc/system.h:149,
                 from ../../../../gcc-2.95/gcc/cp/g++spec.c:22:
/usr/include/unistd.h:136: parse error before `__llseek'
/usr/include/unistd.h:136: parse error before `__loff_t'
/usr/include/unistd.h:136: warning: data definition has no type or
storage class
/usr/include/unistd.h:137: parse error before `llseek'
/usr/include/unistd.h:137: parse error before `__loff_t'
/usr/include/unistd.h:137: warning: data definition has no type or
storage class
make[1]: *** [g++spec.o] Error 1
make[1]: Leaving directory `/local/src/builds/cross/newgcc/gcc'
make: *** [all-gcc] Error 2
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