1From 37c35f94d9d95dbd2b5f8a919f5478be51453590 Mon Sep 17 00:00:00 2001 2From: Khem Raj <raj.khem@gmail.com> 3Date: Fri, 13 Oct 2017 10:27:34 -0700 4Subject: [PATCH] Use CC to check for implicit-fallthrough warning support 5 6This warning it new in gcc7 and in cross compile case 7its possible that build host gcc is version 7+ but the 8cross compile used for compiling mdadm is < version 7 9 10Signed-off-by: Khem Raj <raj.khem@gmail.com> 11Upstream-Status: Pending 12--- 13 Makefile | 2 +- 14 1 file changed, 1 insertion(+), 1 deletion(-) 15 16diff --git a/Makefile b/Makefile 17index 46bf57b..a075912 100644 18--- a/Makefile 19+++ b/Makefile 20@@ -53,7 +53,7 @@ ifdef WARN_UNUSED 21 CWFLAGS += -Wp,-D_FORTIFY_SOURCE=2 -O3 22 endif 23 24-FALLTHROUGH := $(shell gcc -v --help 2>&1 | grep "implicit-fallthrough" | wc -l) 25+FALLTHROUGH := $(shell ${CC} -v --help 2>&1 | grep "implicit-fallthrough" | wc -l) 26 ifneq "$(FALLTHROUGH)" "0" 27 CWFLAGS += -Wimplicit-fallthrough=0 28 endif 29