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From: "gaoliming" <gaoliming@byosoft.com.cn>
To: <devel@edk2.groups.io>,
	<ross@burtonini.com>
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Date: Tue, 22 Feb 2022 09:55:31 +0800
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Ross:
  Do you use which tool chain? CLANG38 or CLANGPDB? I think the solution sh=
ould disable this warning in tool chain configuration.=20

Thanks
Liming
> -----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6-----
> =E5=8F=91=E4=BB=B6=E4=BA=BA: devel@edk2.groups.io <devel@edk2.groups.io> =
=E4=BB=A3=E8=A1=A8 Ross Burton
> =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2022=E5=B9=B42=E6=9C=8822=E6=97=A5 =
0:28
> =E6=94=B6=E4=BB=B6=E4=BA=BA: devel@edk2.groups.io
> =E4=B8=BB=E9=A2=98: [edk2-devel] MdeModulePkg fails to build with latest =
clang 14
>=20
> When building edk2 202111 with clang 14 I get the following errors:
>=20
> edk2/MdeModulePkg/Include/Guid/ExtendedFirmwarePerformance.h:78:47:
> error: field Guid within 'FPDT_GUID_EVENT_RECORD' is less aligned than
> 'EFI_GUID' (aka 'GUID') and is usually due to 'FPDT_GUID_EVENT_RECORD'
> being packed, which can lead to unaligned accesses
> [-Werror,-Wunaligned-access]
>   EFI_GUID                                    Guid;
>                                               ^
> edk2/MdeModulePkg/Include/Guid/ExtendedFirmwarePerformance.h:173:4
> 7: error: field Guid within 'FPDT_GUID_QWORD_EVENT_RECORD' is less
> aligned than 'EFI_GUID' (aka 'GUID') and is usually due to
> 'FPDT_GUID_QWORD_EVENT_RECORD' being packed, which can lead to
> unaligned accesses [-Werror,-Wunaligned-access]
>   EFI_GUID                                    Guid;
>                                               ^
> edk2/MdeModulePkg/Include/Guid/ExtendedFirmwarePerformance.h:105:4
> 7: error: field Guid within 'FPDT_DYNAMIC_STRING_EVENT_RECORD' is less
> aligned than 'EFI_GUID' (aka 'GUID') and is usually due to
> 'FPDT_DYNAMIC_STRING_EVENT_RECORD' being packed, which can lead to
> unaligned accesses [-Werror,-Wunaligned-access]
>   EFI_GUID                                    Guid;
>                                               ^
>=20
> Has this been fixed in master?
>=20
> Ross
>=20
>=20
>=20
>=20