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(-)

 Original patch from http://www.nabble.com/arm-linux-compilation-failure-and-possible-fix-td19229074.html

 diff -durN glibc-2_9.orig/glibc-ports-2_9/sysdeps/unix/sysv/linux/arm/sysdep.h glibc-2_9/glibc-ports-2_9/sysdeps/unix/sysv/linux/arm/sysdep.h

 --- glibc-2_9.orig/glibc-ports-2_9/sysdeps/unix/sysv/linux/arm/sysdep.h 25 Nov 2008 16:37:26 -0000 1.33

 +++ glibc-2_9/glibc-ports-2_9/sysdeps/unix/sysv/linux/arm/sysdep.h 27 Jan 2009 15:35:38 -0000

 @@ -28,6 +28,8 @@

  /* Defines RTLD_PRIVATE_ERRNO and USE_DL_SYSINFO.  */

  #include <dl-sysdep.h>

 +#include <tls.h>

 +

  /* For Linux we can use the system call table in the header file

 	/usr/include/asm/unistd.h

     of the kernel.  But these symbols do not follow the SYS_* syntax