GHC build fails without alex

When building the current version of GHC from CVS without having alex installed, the build tries to use "alex-inplace" instead, but apparently the dependency that tells make(1) to build that executable before using it is missing. I had to execute make ProjectsThatExist=alex in the top level before the build of GHC itself would succeed. I guess, this qualifies as a bug. :-) Peter