update name check for Apple style builds to be more permissive

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85605 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile b/Makefile
index 001d2ad..b0045dc 100644
--- a/Makefile
+++ b/Makefile
@@ -24,7 +24,9 @@
 # "llvmCore", then this is an "Apple-style" build; search for
 # "Apple-style" in the comments for more info.  Anything else is a
 # normal build.
-ifneq ($(RC_ProjectName),llvmCore)  # Normal build (not "Apple-style").
+#ifneq ($(RC_ProjectName),llvmCore)  # Normal build (not "Apple-style").
+ifneq ($(findstring llvmCore, $(RC_ProjectName)),llvmCore)  # Normal build (not "Apple-style").
+
 ifeq ($(BUILD_DIRS_ONLY),1)
   DIRS := lib/System lib/Support utils
   OPTIONAL_DIRS :=