Fix VPP DPDK build failure with Mellanox NIC on aarch64

This compile issue was first reported by Sirshak Das in following thread:
https://lists.fd.io/g/vpp-dev/message/8384

The issue was caused by auto-config shell script auto-config-h.sh regard
quotation mark "" as $CROSS prefix for $CC when CROSS is empty.

Change-Id: Ied535c6d18c4dffacbddabc3ad2087dffe19438d
Signed-off-by: Bin Huang <huangbin.mails@gmail.com>

diff --git a/dpdk/Makefile b/dpdk/Makefile
index ebe62bb..17a229c 100644 (file)
--- a/dpdk/Makefile
+++ b/dpdk/Makefile
@@ -80,7 +80,8 @@ DPDK_TUNE             ?= core-avx2
 # ARM64
 ##############################################################################
 else ifeq ($(MACHINE),aarch64)
-export CROSS=""
+CROSS :=
+export CROSS
 DPDK_TARGET           ?= arm64-armv8a-linuxapp-$(DPDK_CC)
 DPDK_MACHINE          ?= armv8a
 DPDK_TUNE             ?= generic