Add IS_CLEANING_TARGET Makefile variable.
 - Fixes bug in dependency inclusions where make with unspecified
   target wouldn't include dependency files, eek!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57026 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed