patch applied (ghc): don't rebuild PrimEnv if genprimopcode and/or primops.txt don't exist

Thu May 15 19:05:14 EDT 2008

Thu May 15 16:04:05 PDT 2008  Tim Chevalier <chevalier at alum.wellesley.edu>
  * don't rebuild PrimEnv if genprimopcode and/or primops.txt don't exist

  This helps if, for example, you want to build the Core tools on a machine that doesn't have a GHC build tree, and have a pre-existing copy of PrimEnv.hs.

    M ./utils/ext-core/Setup.lhs -3 +11

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20080515230405-d61e2-d3485f2b5ad2d7e1747c1e344a60944ea36e8c19.gz