Cross-compile GCC to alpha architecture

[Thomas Bernard]

Hi all,

I'd like to cross-compile GCC 4.1.x on my i686 computer to produce alpha 
code.
I've already cross-compiled binutils with success. But I have some 
problems to cross-compile GCC.
Here is my configure script:
########################################################################################
../configure
--target=alpha-linux
--prefix=/opt/crossgcc
--with-local-prefix=/opt/crossgcc/alpha-linux
--with-gnu-as
--with-gnu-ld
--disable-shared
--disable-thread
########################################################################################

And I've these errors after doing during the compilation "make all-gcc":
########################################################################################
In file included from 
../../gcc-4.1.0_src/gcc-4.1.0-20060106/gcc/unwind-dw2.c:256:
../../gcc-4.1.0_src/gcc-4.1.0-20060106/gcc/config/alpha/linux-unwind.h:32:20: 
error: signal.h: No such file or directory
../../gcc-4.1.0_src/gcc-4.1.0-20060106/gcc/config/alpha/linux-unwind.h:33:26: 
error: sys/ucontext.h: No such file or directory
In file included from 
../../gcc-4.1.0_src/gcc-4.1.0-20060106/gcc/unwind-dw2.c:256:
../../gcc-4.1.0_src/gcc-4.1.0-20060106/gcc/config/alpha/linux-unwind.h: 
In function ‘alpha_fallback_frame_state’:
../../gcc-4.1.0_src/gcc-4.1.0-20060106/gcc/config/alpha/linux-unwind.h:55: 
error: field ‘info’ has incomplete type
../../gcc-4.1.0_src/gcc-4.1.0-20060106/gcc/config/alpha/linux-unwind.h:56: 
error: field ‘uc’ has incomplete type
../../gcc-4.1.0_src/gcc-4.1.0-20060106/gcc/config/alpha/linux-unwind.h:62: 
error: dereferencing pointer to incomplete type
../../gcc-4.1.0_src/gcc-4.1.0-20060106/gcc/config/alpha/linux-unwind.h:70: 
error: dereferencing pointer to incomplete type
../../gcc-4.1.0_src/gcc-4.1.0-20060106/gcc/config/alpha/linux-unwind.h:76: 
error: dereferencing pointer to incomplete type
../../gcc-4.1.0_src/gcc-4.1.0-20060106/gcc/config/alpha/linux-unwind.h:79: 
error: dereferencing pointer to incomplete type
make[2]: *** [libgcc/./unwind-dw2.o] Error 1
make[2]: Leaving directory `/opt/gcc/gcc-4.1.0_cross2alpha/gcc'
make[1]: *** [libgcc.a] Error 2
make[1]: Leaving directory `/opt/gcc/gcc-4.1.0_cross2alpha/gcc'
make: *** [all-gcc] Error 2
########################################################################################


Does anyone have any clues or information about these problems?
Thanks
T.B.

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