RE: 3.0.2 cross compiler 686->ppc-linux

["Rob Taylor" <robt at flyingpig dot com>]

> I'm having a bit of a headache producing a  i686-pc-linux-gnu to
> ppc-linux cross
> compiler with 3.0.2. here, I've followed the (meagre) instructions in the new
> info docs.
>
> contents of /usr/local/ppc-linux/lib:
>
> HOLLY:/tmp/scratch# ls -l /usr/local/ppc-linux/lib/
> total 2804
> -rw-r--r--    1 root     staff         580 Oct 30 12:24 Mcrt1.o
> -rw-r--r--    1 root     staff        1228 Oct 30 12:24 crt1.o
> -rw-r--r--    1 root     staff        1096 Oct 30 12:24 crti.o
> -rw-r--r--    1 root     staff         775 Oct 30 12:24 crtn.o
> -rw-r--r--    1 root     staff        1664 Oct 30 12:24 gcrt1.o
> -rw-r--r--    1 root     staff     2842536 Oct 26 17:19 libc.a
> -rw-r--r--    1 root     staff         178 Oct 26 17:19 libc.so
> lrwxrwxrwx    1 root     staff           7 Oct 30 16:32 libc.so.6 -> libc.so
>
> config.status:
> ../gcc-3.0.2/configure --with-gcc-version-trigger=/tmp/gcc-3.0.2/gcc/version
> .c --host=i686-pc-linux-gnu --target=ppc-linux
>  --norecursion
>
>
> make cross bails at the first cross link, like so:
>
> if [ -f stmp-dirs ]; then true; else touch stmp-dirs; fi
> /tmp/scratch/gcc/xgcc -B/tmp/scratch/gcc/ -B/usr/local/ppc-linux/bin/ -B/usr
> /local/ppc-linux/lib/ -isystem
> /usr/local/ppc-linux/include -O2  -DCROSS_COMPILE -DIN_GCC    -W
> -Wall -Wwrite-s
> trings -Wstrict-prototypes -Wmissing-prototypes -isystem
> /include  -fPIC -g1  -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED
> -Dinhibit_libc -share
> d -nodefaultlibs -Wl,--soname=libgcc_s.so.1 -Wl,--version-script=libgcc.map -o
> libgcc_s.so  -fPIC -mstrict-align libgcc/./_muldi3.o libgcc/./_divdi3.o
> libgcc/./_moddi3.o libgcc/./_udivdi3.o libgcc/./_umoddi3.o libgcc/./_negdi2.o
> libgcc/./_lshrdi3.o libgcc/./_ashldi3.o libgcc/./_ashrd
> i3.o libgcc/./_ffsdi2.o libgcc/./_clz.o libgcc/./_udiv_w_sdiv.o
> libgcc/./_udivmoddi4.o libgcc/./_cmpdi2.o libgcc/./_ucmpdi2.o
> libgcc/./_floatdidf.o libgcc/./_floatdisf.o libgcc/./_fixunsdfsi.o
> libgcc/./_fixunssfsi.o libgcc/./_fixunsdfdi.o libgcc/./_fixdfdi.o
> libgcc/./_fixunssfdi.o libgcc/./_fixsfdi.o
> libgcc/./_fixxfdi.o libgcc/./_fixunsxfdi.o libgcc/./_floatdixf.o
> libgcc/./_fixunsxfsi.o libgcc/./_fixtfdi.o libgcc/./_fixunstfdi.o
> libgcc/./_floatditf.o libgcc/./_clear_cache.o libgcc/./_trampoline.o
> libgcc/./__main.o libgcc/./_exit.o libgcc/./_absvsi2.o libgcc/./_absvdi2.o
> libgcc/./_addvsi3.o libgcc/./_add
> vdi3.o libgcc/./_subvsi3.o libgcc/./_subvdi3.o libgcc/./_mulvsi3.o
> libgcc/./_mulvdi3.o libgcc/./_negvsi2.o libgcc/./_negvdi2.o libgcc/./_ctors.o
> libgcc/./_pack_sf.o libgcc/./_unpack_sf.o libgcc/./_addsub_sf.o
> libgcc/./_mul_sf.o libgcc/./_div_sf.o libgcc/./_fpcmp_parts_sf.o
> libgcc/./_compare_sf.o libgcc/./_eq_sf.o libgcc/./_ne_sf.o libgcc/./_gt_sf.o
> libgcc/./_ge_sf.o libgcc/./_lt_sf.o libgcc/./_le_sf.o libgcc/./_unord_sf.o
> libgcc/./_si_to_sf.o libgcc/./_sf_to_si.o libgcc/./_negate_sf.o
> libgcc/./_make_sf.o libgcc/./_sf_to_df.o libgcc/./_thenan_sf.o
> libgcc/./_sf_to_usi.o libgcc/./_usi_to_sf.o libgcc/./_pack_df.o
> libgcc/./_unpack_df.o libgcc/./_addsub_df.o libgcc/./_mul_df.o
> libgcc/./_div_df.o libgcc/./_fpcmp_parts_df.o libgcc/./_compare_df.o
> libgcc/./_eq_df.o libgcc/./_ne_df.o libgcc/./_gt_df.o libgcc/./_ge_df.o
> libgcc/./_lt_df.o libgcc/./_le_df
> .o libgcc/./_unord_df.o libgcc/./_si_to_df.o libgcc/./_df_to_si.o
> libgcc/./_negate_df.o libgcc/./_make_df.o libgcc/./_df_to_sf.o
> libgcc/./_thenan_df.o libgcc/./_df_to_usi.o libgcc/./_usi_to_df.o
> libgcc/./tramp.o libgcc/./unwind-dw2.o libgcc/./unwind-dw2-fde.o
> libgcc/./unwind-sjlj.o -lc && rm -f libgcc_s.so.1 && ln -s libgcc_s.so
> libgcc_s.so.1

my bad. forgot to put the error message in here:
the error was that ld was picking up /lib/libc.so.6 rather than
/usr/local/ppc-linux/lib/libc.so.6

this problem also occurs if --with-libs='/usr/local/ppc-linux/lib/'
and --with-includes=/usr/local/ppc-linux/include is used.

> If anyone can point out what i'm doing wrong, i'd be very happy :)
> (BTW, i'd also love to be able to build a cross compiler with a different
> --prefix, but this causes even more problems, with the wrong 'as'
> getting called
> being the 1st error)
>
> Thanks to anyone that can help,
>
> Rob Taylor
> FPS
>
>