Allow user to add a directory component in the sys-root path.
Rename CT_DEBUG_INSTALL_DIR to CT_DEBUGROOT_DIR (to match CT_SYSROOT_DIR).
As a side effect, fix creating lib64->lib symlinks.

/trunk/scripts/build/debug/100-dmalloc.sh | 2 1 1 0 +-
/trunk/scripts/build/debug/400-ltrace.sh | 2 1 1 0 +-
/trunk/scripts/build/debug/300-gdb.sh | 6 3 3 0 +++---
/trunk/scripts/build/debug/500-strace.sh | 2 1 1 0 +-
/trunk/scripts/build/debug/200-duma.sh | 6 3 3 0 +++---
/trunk/scripts/crosstool-NG.sh.in | 16 7 9 0 +++++++---------
/trunk/scripts/functions | 2 1 1 0 +-
/trunk/config/toolchain.in | 17 17 0 0 +++++++++++++++++
8 files changed, 34 insertions(+), 19 deletions(-)

diff -dur binutils-2.17.old/bfd/opncls.c binutils-2.17/bfd/opncls.c

--- binutils-2.17.old/bfd/opncls.c	2006-03-16 13:20:16.000000000 +0100

+++ binutils-2.17/bfd/opncls.c	2007-05-01 18:26:11.000000000 +0200

@@ -158,6 +158,13 @@

 {

   bfd *nbfd;

   const bfd_target *target_vec;

+  struct stat s;

+

+  if (stat (filename, &s) == 0)

+    if (S_ISDIR(s.st_mode)) {

+      bfd_set_error (bfd_error_file_not_recognized);

+      return NULL;

+    }

   nbfd = _bfd_new_bfd ();

   if (nbfd == NULL)