Update comment in dsc file to explain NULL library class.

[mirror_edk2.git] / BeagleBoardPkg / BeagleBoardPkg.dsc

diff --git a/BeagleBoardPkg/BeagleBoardPkg.dsc b/BeagleBoardPkg/BeagleBoardPkg.dsc
index cf257fb97b1ed500cbb825d66f240342e83be239..afebb04b6d9865e5ff8843ee951cceff9d39db96 100644 (file)
--- a/BeagleBoardPkg/BeagleBoardPkg.dsc
+++ b/BeagleBoardPkg/BeagleBoardPkg.dsc
@@ -162,6 +162,11 @@
 
 
 [LibraryClasses.ARM]
+  #
+  # It is not possible to prevent the ARM compiler for generic intrinsic functions.
+  # This library provides the instrinsic functions generate by a given compiler.
+  # [LibraryClasses.ARM] and NULL mean link this library into all ARM images.
+  #
   NULL|ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf