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(-)

--- glibc-2.3.6/linuxthreads/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h.orig	2008-06-19 15:31:45.000000000 +0300

+++ glibc-2.3.6/linuxthreads/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h	2008-06-19 15:36:10.000000000 +0300

@@ -54,6 +54,7 @@

 	bne	a3, SYSCALL_ERROR_LABEL;			\

 __LABEL($pseudo_ret)						\

 	.subsection 2;						\

+	cfi_startproc;						\

 __LABEL($pseudo_cancel)						\

 	subq	sp, 64, sp;					\

 	cfi_def_cfa_offset(64);					\

@@ -84,12 +85,13 @@

 	cfi_def_cfa_offset(0);					\

 __LABEL($syscall_error)						\

 	SYSCALL_ERROR_HANDLER;					\

+	cfi_endproc;						\

 	.previous

 # undef PSEUDO_END

 # define PSEUDO_END(sym)					\

-	.subsection 2;						\

 	cfi_endproc;						\

+	.subsection 2;						\

 	.size sym, .-sym

 # define SAVE_ARGS_0	/* Nothing.  */