Building gcc 2.95.3 on DG/UX R4.20 Intel

[Brother Tuck]

Hi,
I'm trying, to compile gcc 2.95.3 on DG/UX R4.20 Intel and I get severals 
errors.
I have try to compile using the C native compiler and an old version of gcc 
2.8.0

First step using the native C compiler:
------------------------------
make[3]: Leaving directory `/usr1/f4gl/manu/gcc-2.95.3/__objdir__/gcc/intl'
cc -c  -DIN_GCC   -O -mstandard -mlegend  -g  -DHAVE_CONFIG_H    -I. 
-I../../gcc -I../../gcc/config -I../../gcc/../include \
  ../../gcc/gencheck.c
-t option is eliminated in SVR4. Use the -Y option instead.
make[2]: *** [gencheck.o] Error 1
make[2]: Leaving directory `/usr1/f4gl/manu/gcc-2.95.3/__objdir__/gcc'
make[1]: *** [bootstrap] Error 2



Second step using gcc 2.8.0
------------------------
...
__gcc_gcmp
_varargs
__dummy
_eprintf
In file included from /usr/include/stdio.h:133,
from ./libgcc2.c:1408:
include/_int_varargs.h:19 parse error before 'va_list'
include/_int_varargs.h:19 warning: data definition has no type or storage 
class
In file included from ./libgcc2.c:1408:
/usr/include/stdio.h:614: parse error before 'va_list'
/usr/include/stdio.h:615: parse error before 'va_list'
/usr/include/stdio.h:616: parse error before 'va_list'
/usr/include/stdio.h:757: parse error before 'va_list'
/usr/include/stdio.h:758: parse error before 'va_list'
/usr/include/stdio.h:760: parse error before 'va_list'
/usr/include/stdio.h:765: parse error before 'va_list'`

So I have try to compile binutils and configure say that ld will not be 
compiled on this platform and Gas doesn't know the code to generate for this 
platform.
Now, what can I do ?????
Is there a marvellous flags which help in my gcc quest ??
Anyway, if someone I have found a solution for this or have an idea.

Regards,
Emmanuel Soden

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