Release build failure (FinalLibDeps.txt: No such file or directory)

$ make update
Updated to revision 69967.
llvm[1]: Regenerating LibDeps.txt.tmp
llvm[1]: Checking for cyclic dependencies between LLVM libraries. Circular dependency between *.a files: libLLVMAsmPrinter.a libLLVMCodeGen.a libLLVMSelectionDAG.a
llvm[1]: Building llvm-config script.
cat: /Users/rp/llvm/tools/llvm-config/FinalLibDeps.txt: No such file or directory
make[1]: *** [/Users/rp/llvm/Release/bin/llvm-config] Error 1
make: *** [all] Error 1

This is on Mac OS X. The debug build is OK.

Robert P.

Whenever I've seen this, doing "make clean" first fixed it.