| 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 |