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 -u binutils-2.18-orig/configure binutils-2.18/configure

 --- binutils-2.18-orig/configure	2007-08-06 16:29:40.000000000 -0400

 +++ binutils-2.18/configure	2007-09-27 22:41:51.000000000 -0400

 @@ -6125,10 +6125,10 @@

    *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;

    *)

 -    # For an installed makeinfo, we require it to be from texinfo 4.4 or

 +    # For an installed makeinfo, we require it to be from texinfo 4.6 or

      # higher, else we use the "missing" dummy.

      if ${MAKEINFO} --version \

 -       | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 2>&1; then

 +       | egrep 'texinfo[^0-9]*(4\.([6-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then

        :

      else

        MAKEINFO="$MISSING makeinfo"