From 47a1718c4d39ebb0d9ac0148f2939ac9a4f633e7 Mon Sep 17 00:00:00 2001
From: James Zern <jzern@google.com>
Date: Mon, 21 Dec 2015 22:09:52 -0800
Subject: [PATCH] configure: avoid default when CROSS is set to null

avoids picking up defaults if CROSS is forcibly set empty as in:
$ CROSS= ./configure ...

BUG=1121

Change-Id: I6af91959288dede01efe3e5945698ab249eb6ec3
---
 build/make/configure.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/build/make/configure.sh b/build/make/configure.sh
index 98248b0a7..9e47ae0f2 100644
--- a/build/make/configure.sh
+++ b/build/make/configure.sh
@@ -877,7 +877,7 @@ process_common_toolchain() {
 
       case ${tgt_cc} in
         gcc)
-          CROSS=${CROSS:-arm-none-linux-gnueabi-}
+          CROSS=${CROSS-arm-none-linux-gnueabi-}
           link_with_cc=gcc
           setup_gnu_toolchain
           arch_int=${tgt_isa##armv}
@@ -1135,7 +1135,7 @@ EOF
           CC=${CC:-${CROSS}gcc}
           CXX=${CXX:-${CROSS}g++}
           LD=${LD:-${CROSS}gcc}
-          CROSS=${CROSS:-g}
+          CROSS=${CROSS-g}
           ;;
         os2)
           disable_feature pic