Re: [edk2-devel] [edk2] DSC file : override FILE_GUID rule

["Tiger Liu(BJ-RD)" <tigerliu@zhaoxin.com>]

Hi, Laszlo:
Got it.

Thanks

Best wishes,
-----邮件原件-----
发件人: Gao, Liming <liming.gao@intel.com>
发送时间: 2019年11月7日 23:16
收件人: Laszlo Ersek <lersek@redhat.com>; devel@edk2.groups.io; Tiger Liu(BJ-RD) <TigerLiu@zhaoxin.com>
主题: RE: [edk2-devel] [edk2] DSC file : override FILE_GUID rule

BaseTools can handle the space between them.

Thanks
Liming
> -----Original Message-----
> From: Laszlo Ersek <lersek@redhat.com>
> Sent: Thursday, November 7, 2019 11:12 PM
> To: Gao, Liming <liming.gao@intel.com>; devel@edk2.groups.io;
> tigerliu@zhaoxin.com
> Subject: Re: [edk2-devel] [edk2] DSC file : override FILE_GUID rule
>
> On 11/07/19 15:59, Gao, Liming wrote:
> > In FDF, you also need to specify this file guid and match the one in DSC. The syntax is like below:
> >
> > INF FILE_GUID= D1D74FE9-7A4E-41D3-A0B3-67F13AD34D94
> > UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.inf
>
> Thanks! (I assume there is no space character right after
> "FILE_GUID=".)
>
> Cheers
> Laszlo
>
> > Thanks
> > Liming
> >> -----Original Message-----
> >> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of
> >> Laszlo Ersek
> >> Sent: Thursday, November 7, 2019 6:56 PM
> >> To: devel@edk2.groups.io; tigerliu@zhaoxin.com
> >> Subject: Re: [edk2-devel] [edk2] DSC file : override FILE_GUID rule
> >>
> >> On 11/07/19 05:51, Tiger Liu(BJ-RD) wrote:
> >>> Dear All:
> >>> I have a question about FILE_GUID override rule in dsc file.
> >>> For example:
> >>>   ......
> >>>   UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.inf {
> >>>     <Defines>
> >>>       FILE_GUID = D1D74FE9-7A4E-41D3-A0B3-67F13AD34D94
> >>>     ......
> >>>   }
> >>>
> >>> Usually, will define FILE_GUID in PiSmmCpuDxeSmm.inf .
> >>>
> >>> Why override it in dsc file?
> >>
> >> IIRC, such overrides allow the platform DSC file to build the same
> >> module multiple times, most likely with other overrides too (such
> >> as PCD and lib class resolution). The resultant binaries will not
> >> conflict in any firmware volume / firmware file-system, by FILE_GUID.
> >>
> >> I don't remember the syntax, to be used in the FDF file, for
> >> refering to all of the builds of the same module INF file.
> >>
> >> Thanks
> >> Laszlo
> >>
> >>
> >> 
> >



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