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Re: Building gcc-3.0 cross sompiler


See also http://crossgcc.billgatliff.com, for the
not-ready-for-prime-time new Crossgcc FAQ.

b.g.


On Thu, Aug 02, 2001 at 10:51:57AM -0400, Mike Pelley wrote:
> Paul Flinders wrote:
> > 
> > I'm having difficulty building gcc-3.0 as a cross compiler
> > hosted on RedHat (6.2 or 7.0) and targeted at linux-ppc
> > 
> > I've compiled binutils OK and installed into the target
> > tree. Then building gcc fails as it tries to build libgcc2
> > with the following error
> > 
> > /u/ptf/gcc-3.0/gcc/xgcc -B/u/ptf/gcc-3.0/gcc/
> > -B/opt/gcc-ppc/powerpc-linux/bin/ -B/opt/gcc-ppc/powerpc-linux/lib/
> > -isystem /opt/gcc-ppc/powerpc-linux/include -O2  -DCROSS_COMPILE
> > -DIN_GCC    -W -Wall -Wwrite-strings -Wstrict-prototypes
> > -Wmissing-prototypes -isystem ./include  -fPIC -g1  -DIN_LIBGCC2
> > -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -I. -I. -I. -I./. -I./config
> > -I./../include  -fPIC -mstrict-align -DL_muldi3 -c ./libgcc2.c -o
> > libgcc/./_muldi3.o
> > In file included from tm.h:6,
> >                  from config/rs6000/xm-sysv4.h:35,
> >                  from tconfig.h:3,
> >                  from libgcc2.c:36:
> > config/rs6000/linux.h:81:20: signal.h: No such file or directory
> > config/rs6000/linux.h:82:26: sys/ucontext.h: No such file or directory
> > make[2]: *** [libgcc/./_muldi3.o] Error 1
> > make[2]: Leaving directory `/u/ptf/gcc-3.0/gcc'
> > make[1]: *** [stmp-multilib] Error 2
> > make[1]: Leaving directory `/u/ptf/gcc-3.0/gcc'
> > make: *** [all-gcc] Error 2
> > 
> > It looks as though it wants signal.h and sys/ucontext.h from the C
> > library.
> > Obviously they aren't there because I can't build the cross C library
> > until
> > I've built the compiler.
> 
> You'll need to build a bootstrap cross compiler, use it to build your
> cross C libraries, and then use those to build your full compiler.
> 
> The procedure is outlined nicely at
> http://penguinppc.org/embedded/cross-compiling/.
> 
> Mike.
> 
> ------
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> 

-- 
Bill Gatliff
bgat@billgatliff.com

------
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