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 > ------------------------------------------------------------------------------ > Master SQL Server Development, Administration, T-SQL, SSAS, SSIS, SSRS > and more. Get SQL Server skills now (including 2012) with LearnDevNow - > 200+ hours of step-by-step video tutorials by Microsoft MVPs and experts. > SALE $99.99 this month only - learn more at: > http://p.sf.net/sfu/learnmore_122512_______________________________________________ > edk2-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/edk2-devel
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