From e58dfd566950668189b49dde4c5ac1179b5fa860 Mon Sep 17 00:00:00 2001
From: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Date: Wed, 12 Jun 2019 12:45:57 +0200
Subject: [PATCH] configure: silence gcc errors on rte_vhost checks

Redirect the entire gcc output to null for rte_vhost test
build - this gcc will be run even without any custom options
passed to `configure`, so don't bother the user with error
messages when he didn't do anything wrong.

Change-Id: I05136556ab81d78a6f27edd150b68f6e2b5cd8b5
Signed-off-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/457779
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
---
 configure | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index bfbba787f..b89ddf429 100755
--- a/configure
+++ b/configure
@@ -377,7 +377,7 @@ if [ -z "${CONFIG[ENV]}" ]; then
 			if ! echo -e '#include <rte_vhost.h>\n' \
 				'int main(void) { return rte_vhost_extern_callback_register(0, NULL, NULL); }\n' \
 				| $BUILD_CMD -c -Wno-deprecated-declarations -Werror \
-				-I"${CONFIG[DPDK_DIR]}/include" -; then
+				-I"${CONFIG[DPDK_DIR]}/include" - &>/dev/null; then
 				echo "Notice: DPDK's rte_vhost not found or version < 19.05, using internal," \
 				     "legacy rte_vhost library."
 				CONFIG[VHOST_INTERNAL_LIB]=y