Ah ok. Perfectly clear. Thank you!
Pike
________________________________
Van: Andrew Fish <[email protected]>
Aan: Piker Alpha <[email protected]>; [email protected]
Verzonden: woensdag 2 januari 2:57 2013
Onderwerp: Re: [edk2] How to conditionally exclude a library?
Pike,
The [LibraryClasses] section implies that the driver consumes an API in the
library. So you need to link an instance of the library. So in your serial
example there is
https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2/MdePkg/Library/BaseSerialPortLibNull/.
So what you would expect to see in the DSC file for your platform is a mapping
to a SerialPortLib that matches your platform. If the platform does not support
a serial port you point to the Null version of the library, otherwise you point
to a serial port lib for your platform.
In general the idea is you just edit your platform DSC file to port your
platform.
Andrew Fish
On Dec 31, 2012, at 9:29 PM, Piker Alpha <[email protected]> wrote:
Is there a way to conditionally exclude libraries? Let's take this example:
>
>
>[LibraryClasses]
> PeimEntryPoint
> PeiServicesLib
> PcdLib
> HobLib
> SerialPortLib
> ReportStatusCodeLib
> PrintLib
> DebugLib
> BaseMemoryLib
>
>
>What if I want to exclude one of the libraries? Say the SerialPortLib or
>DebugLib.
>
>
>Actually. I am rather surprised that there isn't a predefined/uniform way of
>doing this. Especially since there is one (-D BUILD_FAT) for the FAT driver
>(and no other drivers) but there are so many mother boards without a serial
>port these days, yet no simple way to exclude it?
>
>
>The only thing that I can come up with now is to copy/rename the file and
>comment the target library out of it. Then use something like (example):
>
>
>!if $(SERIAL_PORT_SUPPORT)
> EmulatorPkg/Library/../original.inf
>
>!else
> EmulatorPkg/Library/../oroginal-NoSerial.inf
>
>!endif
>
>
>Which of course is rather cumbersome, and thus I hope that there is a better
>way of doing this. Hopefully something I have missed. Thanks.
>
>
>Pike------------------------------------------------------------------------------
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