From 37c35f94d9d95dbd2b5f8a919f5478be51453590 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Fri, 13 Oct 2017 10:27:34 -0700
Subject: [PATCH] Use CC to check for implicit-fallthrough warning support

This warning it new in gcc7 and in cross compile case
its possible that build host gcc is version 7+ but the
cross compile used for compiling mdadm is < version 7

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Upstream-Status: Pending
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 46bf57b..a075912 100644
--- a/Makefile
+++ b/Makefile
@@ -53,7 +53,7 @@ ifdef WARN_UNUSED
 CWFLAGS += -Wp,-D_FORTIFY_SOURCE=2 -O3
 endif
 
-FALLTHROUGH := $(shell gcc -v --help 2>&1 | grep "implicit-fallthrough" | wc -l)
+FALLTHROUGH := $(shell ${CC} -v --help 2>&1 | grep "implicit-fallthrough" | wc -l)
 ifneq "$(FALLTHROUGH)"  "0"
 CWFLAGS += -Wimplicit-fallthrough=0
 endif
