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From 6866325dd9c17412e555974dde41f9631224db52 Mon Sep 17 00:00:00 2001
From: Laszlo Ersek <lersek@redhat.com>
Date: Wed, 7 Mar 2018 10:17:28 +0100
Subject: [PATCH 3/4] BaseTools/header.makefile: revert gcc-8 "-Wno-xxx"
options on OSX
I recently added the gcc-8 specific "-Wno-stringop-truncation" and
"-Wno-restrict" options to BUILD_CFLAGS, both for "Darwin" (XCODE5 /
clang, OSX) and otherwise (gcc, Linux / Cygwin).
I also regression-tested the change with gcc-4.8 on Linux -- gcc-4.8 does
not know either of the (gcc-8 specific) "-Wno-stringop-truncation" and
"-Wno-restrict" options, yet the build completed fine (by GCC design).
Regarding OSX, my expectation was that
- XCODE5 / clang would either recognize these warnings options (because
clang does recognize most -W options of gcc),
- or, similarly to gcc, clang would simply ignore the "-Wno-xxx" flags
that it didn't recognize.
Neither is the case; the new flags have broken the BaseTools build on OSX.
Revert them (for OSX only).
Cc: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Reported-by: Liming Gao <liming.gao@intel.com>
Fixes: 1d212a83df0eaf32a6f5d4159beb2d77832e0231
Fixes: 9222154ae7b3eef75ae88cdb56158256227cb929
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Upstream-Status: Backport
BaseTools/Source/C/Makefiles/header.makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: git/BaseTools/Source/C/Makefiles/header.makefile
===================================================================
--- git.orig/BaseTools/Source/C/Makefiles/header.makefile
+++ git/BaseTools/Source/C/Makefiles/header.makefile
@@ -47,7 +47,7 @@ INCLUDE = $(TOOL_INCLUDE) -I $(MAKEROOT)
BUILD_CPPFLAGS += $(INCLUDE) -O2
ifeq ($(DARWIN),Darwin)
# assume clang or clang compatible flags on OS X
-BUILD_CFLAGS += -MD -fshort-wchar -fno-strict-aliasing -Wall -Werror -Wno-deprecated-declarations -Wno-stringop-truncation -Wno-restrict -Wno-self-assign -Wno-unused-result -nostdlib -c -g
+BUILD_CFLAGS += -MD -fshort-wchar -fno-strict-aliasing -Wall -Werror -Wno-deprecated-declarations -Wno-self-assign -Wno-unused-result -nostdlib -c -g
else
BUILD_CFLAGS += -MD -fshort-wchar -fno-strict-aliasing -Wall -Werror -Wno-deprecated-declarations -Wno-stringop-truncation -Wno-restrict -Wno-unused-result -nostdlib -c -g
endif
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