GCC 3.1 Linux Cross-Compiler does not build

[Denis Doehler <ahava_dd at yahoo dot de>]

I am unable to build a Linux cross-compiler using
version 3.1. I am using 
an Intel RedHat 7.2 build system. I tried 
i386-pc-linux-gnu->i586-pc-linux-gnu, and also 
i586-pc-linux-gnu->powerpc-linux.

$ cd gcc-3.1
$ mkdir obj
$ cd obj
$ ../configure --target=powerpc-linux
--enable-languages="c" --with-newlib 
--prefix=/opt/fsp/i586-pc-linux-gnu/local
$ make

The linux kernel headers are in 
/opt/fsp/i586-pc-linux-gnu/local/powerpc-linux/sys-include/{asm,linux}.

Here is the error:

/home/doehler/gcc-3.1/obj/gcc/xgcc
-B/home/doehler/gcc-3.1/obj/gcc/ 
-B/opt/fsp/i586-pc-linux-gnu/local//powerpc-linux/bin/

-B/opt/fsp/i586-pc-linux-gnu/local//powerpc-linux/lib/
-isystem 
/opt/fsp/i586-pc-linux-gnu/local//powerpc-linux/include
-O2  -DIN_GCC 
-DCROSS_COMPILE -W -Wall -Wwrite-strings
-Wstrict-prototypes 
-Wmissing-prototypes -isystem ./include  -fPIC -g
-DIN_LIBGCC2 
-D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -I. -I.
-I../../gcc -I../../gcc/. 
-I../../gcc/config -I../../gcc/../include  -fPIC
-mstrict-align -DL_muldi3 
-c ../../gcc/libgcc2.c -o libgcc/./_muldi3.o
In file included from tconfig.h:21,
                 from ../../gcc/libgcc2.c:36:
../../gcc/config/rs6000/linux.h:81:20: signal.h: No
such file or directory
../../gcc/config/rs6000/linux.h:82:26: sys/ucontext.h:
No such file or 
directorymake[2]: *** [libgcc/./_muldi3.o] Error 1
make[2]: Leaving directory
`/home/doehler/gcc-3.1/obj/gcc'
make[1]: *** [stmp-multilib] Error 2
make[1]: Leaving directory
`/home/doehler/gcc-3.1/obj/gcc'
make: *** [all-gcc] Error 2

How can I easily circumvent this problem? I am able to
build it when I have a GLIBC built by a previous GCC
version installed in the above path.

Denis Doehler

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