Re: [PATCH v2 2/3] BaseTools/tools_def CLANG38: add -Wno-unused-const-variable

["Shi, Steven" <steven.shi@intel.com>]

Thank you!

Reviewed-by: Shi Steven <steven.shi@intel.com>


Steven Shi
Intel\SSG\STO\UEFI Firmware

Tel: +86 021-61166522
iNet: 821-6522

> -----Original Message-----
> From: Ard Biesheuvel [mailto:ard.biesheuvel@linaro.org]
> Sent: Thursday, December 7, 2017 5:29 PM
> To: edk2-devel@lists.01.org
> Cc: leif.lindholm@linaro.org; Gao, Liming <liming.gao@intel.com>; Zhu,
> Yonghong <yonghong.zhu@intel.com>; Shi, Steven <steven.shi@intel.com>;
> evan.lloyd@arm.com; lersek@redhat.com; Ard Biesheuvel
> <ard.biesheuvel@linaro.org>
> Subject: [PATCH v2 2/3] BaseTools/tools_def CLANG38: add -Wno-unused-
> const-variable
> 
> Commit 8b6366f87584 ("BaseTools/GCC: set -Wno-unused-const-variable
> on RELEASE builds") suppresses warnings about unused constant
> variables in RELEASE builds when building with GCC, given that they
> break the build under our warnings-as-errors policy.
> 
> Do the same for CLANG38.
> 
> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=790
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> ---
> v2: new patch
> 
>  BaseTools/Conf/tools_def.template | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/BaseTools/Conf/tools_def.template
> b/BaseTools/Conf/tools_def.template
> index c0189d4c8d30..703884fc49a7 100755
> --- a/BaseTools/Conf/tools_def.template
> +++ b/BaseTools/Conf/tools_def.template
> @@ -5664,7 +5664,7 @@ DEFINE CLANG38_X64_PREFIX           =
> ENV(CLANG38_BIN)
>  DEFINE CLANG38_IA32_TARGET          = -target i686-pc-linux-gnu
>  DEFINE CLANG38_X64_TARGET           = -target x86_64-pc-linux-gnu
> 
> -DEFINE CLANG38_WARNING_OVERRIDES    = -Wno-parentheses-equality -
> Wno-tautological-compare -Wno-tautological-constant-out-of-range-
> compare -Wno-empty-body  -Wno-varargs
> +DEFINE CLANG38_WARNING_OVERRIDES    = -Wno-parentheses-equality -
> Wno-tautological-compare -Wno-tautological-constant-out-of-range-
> compare -Wno-empty-body -Wno-unused-const-variable -Wno-varargs
>  DEFINE CLANG38_ALL_CC_FLAGS         = DEF(GCC44_ALL_CC_FLAGS)
> DEF(CLANG38_WARNING_OVERRIDES) -fno-stack-protector -mms-bitfields -
> Wno-address -Wno-shift-negative-value -Wno-unknown-pragmas -Wno-
> incompatible-library-redeclaration -fno-asynchronous-unwind-tables -mno-
> sse -mno-mmx -msoft-float -mno-implicit-float  -ftrap-
> function=undefined_behavior_has_been_optimized_away_by_clang -
> funsigned-char -fno-ms-extensions -Wno-null-dereference -Wno-unknown-
> warning-option
> 
>  ###########################
> --
> 2.11.0