1*9d178c92SEd MasteOpportunistically skip building a cross-compiler during the 26120aabdSBryan Drewerybootstrap phase of the build. 36120aabdSBryan DreweryIf the currently installed compiler matches the planned bootstrap compiler 46120aabdSBryan Drewerytype and revision, then it will not be built. 56120aabdSBryan DreweryThis does not prevent a compiler from being built for installation though, 66120aabdSBryan Dreweryonly for building one for the build itself. 76120aabdSBryan DreweryThe 86120aabdSBryan Drewery.Va WITHOUT_CLANG 957f80467SEd Masteoption controls that. 10