diff -r 15fa0b85025e -r 41967d32b54e scripts/build/debug/300-gdb.sh
--- a/scripts/build/debug/300-gdb.sh	Sat Sep 29 14:34:15 2012 +0800
+++ b/scripts/build/debug/300-gdb.sh	Thu Oct 11 14:39:42 2012 +1000
@@ -48,10 +48,14 @@
     do_debug_gdb_parts
 
     if [ "${do_gdb}" = "y" ]; then
-        CT_GetFile "gdb-${CT_GDB_VERSION}"                          \
-                   {ftp,http}://ftp.gnu.org/pub/gnu/gdb             \
-                   ftp://sources.redhat.com/pub/gdb/{,old-}releases \
-                   "${linaro_base_url}/${linaro_series}/${linaro_version}/+download"
+        if [ "${CT_GDB_CUSTOM}" = "y" ]; then
+            CT_GetCustom "gdb" "${CT_GDB_VERSION}" "${CT_GDB_CUSTOM_LOCATION}"
+        else
+            CT_GetFile "gdb-${CT_GDB_VERSION}"                          \
+                       {ftp,http}://ftp.gnu.org/pub/gnu/gdb             \
+                       ftp://sources.redhat.com/pub/gdb/{,old-}releases \
+                       "${linaro_base_url}/${linaro_series}/${linaro_version}/+download"
+        fi
     fi
 
     if [ "${do_ncurses}" = "y" ]; then
@@ -70,6 +74,11 @@
     do_debug_gdb_parts
 
     if [ "${do_gdb}" = "y" ]; then
+        # If using custom directory location, nothing to do
+        if [    "${CT_GDB_CUSTOM}" = "y" \
+             -a -d "${CT_SRC_DIR}/gdb-${CT_GDB_VERSION}" ]; then
+            return 0
+        fi
         CT_Extract "gdb-${CT_GDB_VERSION}"
         CT_Patch "gdb" "${CT_GDB_VERSION}"
     fi