Add support for powerpc64, along with an EXPERIMENTAL sample.

/trunk/scripts/build/arch/powerpc64.sh | 21 1 20 0 -
/trunk/scripts/build/arch/powerpc.sh | 21 1 20 0 -
/trunk/samples/powerpc64-unknown-linux-gnu/crosstool.config | 388 388 0 0 +++++++++++++++++++
/trunk/samples/powerpc64-unknown-linux-gnu/reported.by | 3 3 0 0 +
/trunk/config/arch/powerpc-powerpc64.in-common | 12 4 8 0 -
/trunk/config/arch/powerpc.in | 15 0 15 0 -
/trunk/config/arch/powerpc64.in | 19 3 16 0 -
7 files changed, 400 insertions(+), 79 deletions(-)

 --- gcc-4.1.2.orig/libstdc++-v3/configure	2007-03-04 23:32:31.000000000 +0100

 +++ gcc-4.1.2/libstdc++-v3/configure	2007-03-04 23:33:54.000000000 +0100

 @@ -7324,6 +7324,9 @@

  cat >>conftest.$ac_ext <<_ACEOF

  /* end confdefs.h.  */

  #include <complex.h>

 +#ifdef __UCLIBC__

 +#error ugly hack to make sure configure test fails here for cross until uClibc supports the complex funcs

 +#endif

  int

  main ()

  {