Index: lib/CodeGen/GlobalISel/LLVMBuild.txt
===================================================================
--- lib/CodeGen/GlobalISel/LLVMBuild.txt
+++ lib/CodeGen/GlobalISel/LLVMBuild.txt
@@ -16,7 +16,7 @@
 ;===------------------------------------------------------------------------===;
 
 [component_0]
-type = Library
+type = OptionalLibrary
 name = GlobalISel
 parent = CodeGen
 required_libraries = Analysis CodeGen Core MC Support Target TransformUtils