Re: [edk2-buildtools] Configuration changes for building EDK2 for AARCH64 using LLVM

[Ard Biesheuvel <ard.biesheuvel@linaro.org>]

On 5 November 2018 at 11:39, Prem Kumar <perry.prem@gmail.com> wrote:
> Hi Ard Biesheuvel,
>  Thanks for your reply.
>
> I've windows environment and LLVM tools chain installed. I'd like to build
> EDK2 project for ARM and AARCH64.
>
> Just a simple try I've tried CLANG38 tool chain to build MdeModulePkg.dsc
> like below,
>
> build -t CLANG38 -a AARCH64 -p MdeModulePkg\MdeModulePkg.dsc
>
> Below is the error for above command used,
> C:\UEFIWorkspace\edk2-master_2018_Latest>build -t CLANG38 -a AARCH64 -p
> MdeModulePkg\MdeModulePkg.dsc
> Build environment: Windows-10-10.0.16299
> Build start time: 16:08:38, Nov.05 2018
>
> WORKSPACE        = c:\uefiworkspace\edk2-master_2018_latest
> ECP_SOURCE       =
> c:\uefiworkspace\edk2-master_2018_latest\edkcompatibilitypkg
> EDK_SOURCE       =
> c:\uefiworkspace\edk2-master_2018_latest\edkcompatibilitypkg
> EFI_SOURCE       =
> c:\uefiworkspace\edk2-master_2018_latest\edkcompatibilitypkg
> EDK_TOOLS_PATH   = c:\uefiworkspace\edk2-master_2018_latest\basetools
> EDK_TOOLS_BIN    =
> c:\uefiworkspace\edk2-master_2018_latest\basetools\bin\win32
> CONF_PATH        = c:\uefiworkspace\edk2-master_2018_latest\conf
>
>
> Architecture(s)  = AARCH64
> Build target     = DEBUG
> Toolchain        = CLANG38
>
> Active Platform          =
> c:\uefiworkspace\edk2-master_2018_latest\MdeModulePkg\MdeModulePkg.dsc
>
> Processing meta-data ...... done!
> Building ...
> c:\uefiworkspace\edk2-master_2018_latest\MdePkg\Library\BaseStackCheckLib\BaseStackCheckLib.inf
> [AARCH64]
> Building ...
> c:\uefiworkspace\edk2-master_2018_latest\ArmPkg\Library\CompilerIntrinsicsLib\CompilerIntrinsicsLib.inf
> [AARCH64]
> Building ...
> c:\uefiworkspace\edk2-master_2018_latest\MdePkg\Library\UefiLib\UefiLib.inf
> [AARCH64]
> 'make' is not recognized as an internal or external command,
> 'make' is not recognized as an internal or external command,

It seems you will need GNU make for Windows

> Building ...
> c:\uefiworkspace\edk2-master_2018_latest\MdePkg\Library\UefiApplicationEntryPoint\UefiApplicationEntryPoint.inf
> [AARCH64]
> operable program or batch file.
> operable program or batch file.
>
>
> build.py...
>  : error 7000: Failed to execute command
>         make tbuild
> [c:\uefiworkspace\edk2-master_2018_latest\Build\MdeModule\DEBUG_CLANG38\AARCH64\MdePkg\Library\BaseStackCheckLib\BaseStackCheckLib]
> 'make' is not recognized as an internal or external command,
>
>
> build.py...
>  : error 7000: Failed to execute command
>         make tbuild
> [c:\uefiworkspace\edk2-master_2018_latest\Build\MdeModule\DEBUG_CLANG38\AARCH64\ArmPkg\Library\CompilerIntrinsicsLib\CompilerIntrinsicsLib]
>
>
> build.py...
>  : error 7000: Failed to execute command
>         make tbuild
> [c:\uefiworkspace\edk2-master_2018_latest\Build\MdeModule\DEBUG_CLANG38\AARCH64\MdePkg\Library\UefiLib\UefiLib]
>
>
> build.py...
>  : error 7000: Failed to execute command
>         make tbuild
> [c:\uefiworkspace\edk2-master_2018_latest\Build\MdeModule\DEBUG_CLANG38\AARCH64\MdePkg\Library\UefiApplicationEntryPoint\UefiApplicationEntryPoint]
>
>
> build.py...
>  : error 7000: Failed to execute command
>         make tbuild
> [c:\uefiworkspace\edk2-master_2018_latest\Build\MdeModule\DEBUG_CLANG38\AARCH64\MdePkg\Library\UefiDevicePathLib\UefiDevicePathLib]
>
>
> build.py...
>  : error F002: Failed to build module
>
> c:\uefiworkspace\edk2-master_2018_latest\MdePkg\Library\BaseStackCheckLib\BaseStackCheckLib.inf
> [AARCH64, CLANG38, DEBUG]
>
> - Failed -
> Build end time: 16:08:52, Nov.05 2018
>
> --
> Thanks,
> Prem.
>
> On Mon, Nov 5, 2018 at 3:52 PM Ard Biesheuvel <ard.biesheuvel@linaro.org>
> wrote:
>>
>> On 5 November 2018 at 09:51, Prem Kumar <perry.prem@gmail.com> wrote:
>> > Hi All,
>> >
>> >  I'm trying to build EDK2 for AARCH64 using LLVM tool chain under
>> > Windows
>> > environment.
>> >
>> >
>> >
>> > Kindly provide any pointers
>> >
>> > - To configure tools chain,
>> >
>> > - Modify Conf folder for LLVM
>> >
>> > - Configure for building ARM and AARCH64
>> >
>> >
>> > Any pointers are welcome to proceed further.
>> >
>>
>> I'm sorry - I don't have access to a Windows machine, but I am not
>> aware of any reasons why clang for windows wouldn't work with the
>> CLANG38 toolchain profile to build AARCH64 targets.
>>
>> However, GCC5 is by far the best supported one, so if you're after the
>> ability to build AARCH64 targets using whichever toolchain, that is
>> what I would recommend instead.