| From c29d086714b49a6d76ccca83b4a6fa2f139bad6e 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 | 6 +++--- |
| 1 file changed, 3 insertions(+), 3 deletions(-) |
| |
| diff --git a/Makefile b/Makefile |
| index 7bfd336..9ab6a65 100644 |
| --- a/Makefile |
| +++ b/Makefile |
| @@ -56,21 +56,21 @@ CWFLAGS += -Wp -O3 |
| endif |
| |
| ifeq ($(origin FALLTHROUGH), undefined) |
| - FALLTHROUGH := $(shell gcc -Q --help=warnings 2>&1 | grep "implicit-fallthrough" | wc -l) |
| + FALLTHROUGH := $(shell ${CC} -Q --help=warnings 2>&1 | grep "implicit-fallthrough" | wc -l) |
| ifneq "$(FALLTHROUGH)" "0" |
| CWFLAGS += -Wimplicit-fallthrough=0 |
| endif |
| endif |
| |
| ifeq ($(origin FORMATOVERFLOW), undefined) |
| - FORMATOVERFLOW := $(shell gcc -Q --help=warnings 2>&1 | grep "format-overflow" | wc -l) |
| + FORMATOVERFLOW := $(shell ${CC} -Q --help=warnings 2>&1 | grep "format-overflow" | wc -l) |
| ifneq "$(FORMATOVERFLOW)" "0" |
| CWFLAGS += -Wformat-overflow |
| endif |
| endif |
| |
| ifeq ($(origin STRINGOPOVERFLOW), undefined) |
| - STRINGOPOVERFLOW := $(shell gcc -Q --help=warnings 2>&1 | grep "stringop-overflow" | wc -l) |
| + STRINGOPOVERFLOW := $(shell ${CC} -Q --help=warnings 2>&1 | grep "stringop-overflow" | wc -l) |
| ifneq "$(STRINGOPOVERFLOW)" "0" |
| CWFLAGS += -Wstringop-overflow |
| endif |