Frank: This is unsupported feature. Now, FeatureFlagExpression is ignored.
Thanks Liming >-----Original Message----- >From: edk2-devel [mailto:[email protected]] On Behalf Of >Laszlo Ersek >Sent: Wednesday, August 23, 2017 7:55 AM >To: [email protected]; [email protected] >Subject: Re: [edk2] FeatureFlagExpression > >On 08/23/17 01:21, [email protected] wrote: >> Dell - Internal Use - Confidential >> >> I'm trying to use this feature as described in various edk2 documents with >zero success. >> For example, in the INF spec 1.25, the following is defined for the protocols >section : >> >> >> >> The formats for entries in this section is: >> >> gEfiProtocolCName [ | FeatureFlagExpression] ## Usage comment >> >> When a FeatureFlagExpression is present, if the expression evaluates to >TRUE, then the Protocal entry is valid. If the expression evaluates to FALSE, >then the EDK II build tools must ignore the entry. >> >> The following is an example of the [Protocols] section. >> >> [Protocols] >> >> gEfiDecompressProtocolGuid >> >> gEfiLoadFileProtocolGuid >> >> >> Does anyone have any examples showing the use of a >FeatureFlagExpression ? > >See e.g. "MdePkg/Library/UefiLib/UefiLib.inf". > >Thanks >Laszlo >_______________________________________________ >edk2-devel mailing list >[email protected] >https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel

