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(-)

 --- gcc-4.1.0/libstdc++-v3/include/ext/rope.mps	2006-03-24 01:49:51 +0100

 +++ gcc-4.1.0/libstdc++-v3/include/ext/rope	2006-03-24 01:49:37 +0100

 @@ -59,6 +59,9 @@

  #include <bits/allocator.h>

  #include <ext/hash_fun.h>

 +/* cope w/ index defined as macro, SuSv3 proposal */

 +#undef index

 +

  # ifdef __GC

  #   define __GC_CONST const

  # else

 --- gcc-4.1.0/libstdc++-v3/include/ext/ropeimpl.h.mps	2006-03-24 01:50:04 +0100

 +++ gcc-4.1.0/libstdc++-v3/include/ext/ropeimpl.h	2006-03-24 01:50:28 +0100

 @@ -53,6 +53,9 @@

  #include <ext/memory> // For uninitialized_copy_n

  #include <ext/numeric> // For power

 +/* cope w/ index defined as macro, SuSv3 proposal */

 +#undef index

 +

  _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)

    using std::size_t;