[edk2-devel] [PATCH V2] BaseTools: Add -ffat-lto-objects option in GCC5 tool chain
Laszlo Ersek
lersek at redhat.com
Sun May 23 08:56:25 UTC 2021
On 05/21/21 07:49, gaoliming wrote:
> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3403
>
> Now, some uninitialized warning can't be detected on GCC5 tool chain, but
> can be detected on GCC49 tool chain. Edk2 CI only covers GCC5 tool chain.
> So, the merged code may impact GCC49 build.
>
> This option is added to expose such uninitialized warning in GCC5 tool chain
> and increase GCC5 tool chain coverage.
>
> And, this is gcc issue https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90844
>
> Cc: Sergei Dmitrouk <sergei at posteo.net>
> Cc: Bob Feng <bob.c.feng at intel.com>
> Cc: Ard Biesheuvel <ardb+tianocore at kernel.org>
> Signed-off-by: Liming Gao <gaoliming at byosoft.com.cn>
> Acked-by: Laszlo Ersek <lersek at redhat.com>
> ---
> In V2, only commit message is updated to include more detail information.
> And, this patch is not for stable tag 202105.
Thank you very much for the update!
Laszlo
>
> BaseTools/Conf/tools_def.template | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/BaseTools/Conf/tools_def.template b/BaseTools/Conf/tools_def.template
> index 498696e583..aad5297385 100755
> --- a/BaseTools/Conf/tools_def.template
> +++ b/BaseTools/Conf/tools_def.template
> @@ -2315,10 +2315,10 @@ RELEASE_GCC49_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
> *_GCC5_IA32_OBJCOPY_FLAGS =
> *_GCC5_IA32_NASM_FLAGS = -f elf32
>
> - DEBUG_GCC5_IA32_CC_FLAGS = DEF(GCC5_IA32_CC_FLAGS) -flto -Os
> + DEBUG_GCC5_IA32_CC_FLAGS = DEF(GCC5_IA32_CC_FLAGS) -ffat-lto-objects -flto -Os
> DEBUG_GCC5_IA32_DLINK_FLAGS = DEF(GCC5_IA32_X64_DLINK_FLAGS) -flto -Os -Wl,-m,elf_i386,--oformat=elf32-i386
>
> -RELEASE_GCC5_IA32_CC_FLAGS = DEF(GCC5_IA32_CC_FLAGS) -flto -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
> +RELEASE_GCC5_IA32_CC_FLAGS = DEF(GCC5_IA32_CC_FLAGS) -ffat-lto-objects -flto -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
> RELEASE_GCC5_IA32_DLINK_FLAGS = DEF(GCC5_IA32_X64_DLINK_FLAGS) -flto -Os -Wl,-m,elf_i386,--oformat=elf32-i386
>
> NOOPT_GCC5_IA32_CC_FLAGS = DEF(GCC5_IA32_CC_FLAGS) -O0
> @@ -2347,10 +2347,10 @@ RELEASE_GCC5_IA32_DLINK_FLAGS = DEF(GCC5_IA32_X64_DLINK_FLAGS) -flto -Os -Wl,
> *_GCC5_X64_OBJCOPY_FLAGS =
> *_GCC5_X64_NASM_FLAGS = -f elf64
>
> - DEBUG_GCC5_X64_CC_FLAGS = DEF(GCC5_X64_CC_FLAGS) -flto -DUSING_LTO -Os
> + DEBUG_GCC5_X64_CC_FLAGS = DEF(GCC5_X64_CC_FLAGS) -ffat-lto-objects -flto -DUSING_LTO -Os
> DEBUG_GCC5_X64_DLINK_FLAGS = DEF(GCC5_X64_DLINK_FLAGS) -flto -Os
>
> -RELEASE_GCC5_X64_CC_FLAGS = DEF(GCC5_X64_CC_FLAGS) -flto -DUSING_LTO -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
> +RELEASE_GCC5_X64_CC_FLAGS = DEF(GCC5_X64_CC_FLAGS) -ffat-lto-objects -flto -DUSING_LTO -Os -Wno-unused-but-set-variable -Wno-unused-const-variable
> RELEASE_GCC5_X64_DLINK_FLAGS = DEF(GCC5_X64_DLINK_FLAGS) -flto -Os
>
> NOOPT_GCC5_X64_CC_FLAGS = DEF(GCC5_X64_CC_FLAGS) -O0
> @@ -2382,10 +2382,10 @@ RELEASE_GCC5_X64_DLINK_FLAGS = DEF(GCC5_X64_DLINK_FLAGS) -flto -Os
> *_GCC5_ARM_VFRPP_FLAGS = $(ARCHCC_FLAGS) $(PLATFORM_FLAGS) DEF(GCC_VFRPP_FLAGS)
> *_GCC5_ARM_CC_XIPFLAGS = DEF(GCC5_ARM_CC_XIPFLAGS)
>
> - DEBUG_GCC5_ARM_CC_FLAGS = DEF(GCC5_ARM_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
> + DEBUG_GCC5_ARM_CC_FLAGS = DEF(GCC5_ARM_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
> DEBUG_GCC5_ARM_DLINK_FLAGS = DEF(GCC5_ARM_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-arm -Wl,-plugin-opt=-pass-through=-llto-arm
>
> -RELEASE_GCC5_ARM_CC_FLAGS = DEF(GCC5_ARM_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
> +RELEASE_GCC5_ARM_CC_FLAGS = DEF(GCC5_ARM_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
> RELEASE_GCC5_ARM_DLINK_FLAGS = DEF(GCC5_ARM_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-arm -Wl,-plugin-opt=-pass-through=-llto-arm
>
> NOOPT_GCC5_ARM_CC_FLAGS = DEF(GCC5_ARM_CC_FLAGS) -O0
> @@ -2416,11 +2416,11 @@ RELEASE_GCC5_ARM_DLINK_FLAGS = DEF(GCC5_ARM_DLINK_FLAGS) -flto -Os -L$(WORKS
> *_GCC5_AARCH64_VFRPP_FLAGS = $(ARCHCC_FLAGS) $(PLATFORM_FLAGS) DEF(GCC_VFRPP_FLAGS)
> *_GCC5_AARCH64_CC_XIPFLAGS = DEF(GCC5_AARCH64_CC_XIPFLAGS)
>
> - DEBUG_GCC5_AARCH64_CC_FLAGS = DEF(GCC5_AARCH64_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
> + DEBUG_GCC5_AARCH64_CC_FLAGS = DEF(GCC5_AARCH64_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
> DEBUG_GCC5_AARCH64_DLINK_FLAGS = DEF(GCC5_AARCH64_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-aarch64 -Wl,-plugin-opt=-pass-through=-llto-aarch64 -Wno-lto-type-mismatch
> DEBUG_GCC5_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
>
> -RELEASE_GCC5_AARCH64_CC_FLAGS = DEF(GCC5_AARCH64_CC_FLAGS) -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
> +RELEASE_GCC5_AARCH64_CC_FLAGS = DEF(GCC5_AARCH64_CC_FLAGS) -ffat-lto-objects -flto -Wno-unused-but-set-variable -Wno-unused-const-variable
> RELEASE_GCC5_AARCH64_DLINK_FLAGS = DEF(GCC5_AARCH64_DLINK_FLAGS) -flto -Os -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-aarch64 -Wl,-plugin-opt=-pass-through=-llto-aarch64 -Wno-lto-type-mismatch
> RELEASE_GCC5_AARCH64_DLINK_XIPFLAGS = -z common-page-size=0x20
>
>
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#75462): https://edk2.groups.io/g/devel/message/75462
Mute This Topic: https://groups.io/mt/82979968/1813853
Group Owner: devel+owner at edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [edk2-devel-archive at redhat.com]
-=-=-=-=-=-=-=-=-=-=-=-
More information about the edk2-devel-archive
mailing list