From 38a8db4784a4f6765ed1a6e40682f1e0822995b3 Mon Sep 17 00:00:00 2001
From: Konrad Sztyber <konrad.sztyber@intel.com>
Date: Thu, 8 Dec 2022 11:46:02 +0100
Subject: [PATCH] mk: suppress broken pipe errors

Replaced grep with a [[ command to get rid of errors like this:

collect2: fatal error: ld terminated with signal 13 [Broken pipe]

during the build.

Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Change-Id: I03d0f3966882faabfff52ad01e132e837fe94433
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15820
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
---
 mk/spdk.common.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mk/spdk.common.mk b/mk/spdk.common.mk
index 713f70518..c7b3b5d0c 100644
--- a/mk/spdk.common.mk
+++ b/mk/spdk.common.mk
@@ -71,7 +71,7 @@ COMMON_CFLAGS += -march=$(TARGET_ARCHITECTURE)
 endif
 
 ifeq ($(TARGET_MACHINE),x86_64)
-ifneq (,$(shell $(CC) --target-help | grep -qe -mavx512f && echo 1))
+ifneq (,$(shell [[ $$($(CC) --target-help) == *-mavx512f* ]] && echo 1))
 # Don't use AVX-512 instructions in SPDK code - it breaks Valgrind for
 # some cases where compiler decides to hyper-optimize a relatively
 # simple operation (like int-to-float conversion) using AVX-512