Have the glibc build use the cross-objdump, rather than the host one.
On some distros (eg. Fedora), the native objdump can not interpret objects not for the native system, and thus fail.
This commit adds a new patch against glibc-2.7 that introduces OBJDUMP_FOR_HOST, wich, if set, overides the detected objdump.

Note: bizarely enough, glibc already has code to detect the cross-objdump, but that does not work for an unknown reason... :-(

/trunk/patches/glibc/2.7/220-objdump_for_host.patch | 13 13 0 0 +++++++++
/trunk/scripts/build/libc_glibc.sh | 37 21 16 0 +++++++++++++++------------
2 files changed, 34 insertions(+), 16 deletions(-)

 --- gdb-6.1.1-dist/readline/configure	2003-05-27 18:29:47.000000000 -0500

 +++ gdb-6.1.1/readline/configure	2004-08-09 14:20:23.000000000 -0500

 @@ -6249,7 +6249,12 @@

  echo "$as_me:$LINENO: checking for mbstate_t" >&5

 +echo $ECHO_N "bash_cv_have_mbstate_t=$bash_cv_have_mbstate_t" >&6

  echo $ECHO_N "checking for mbstate_t... $ECHO_C" >&6

 +if test "${bash_cv_have_mbstate_t+set}" != set; then

 +  bash_cv_have_mbstate_t=yes

 +  echo $ECHO_N "WARNING!! forcing to yes!!! $ECHO_C" >&6

 +fi

  if test "${bash_cv_have_mbstate_t+set}" = set; then

    echo $ECHO_N "(cached) $ECHO_C" >&6

  else