2 Resolving dependencies...
3 Build profile: -w ghc-<GHCVER> -O1
4 In order, the following will be built:
5 - zlib-1.1 (lib:zlib) (first run)
6 Configuring zlib-1.1...
7 Warning: Flags 'con_flict', 'con-flict' all map to the same environment variable 'CABAL_FLAG_con_flict' causing a collision. The value first flag 'con_flict' will be used.
8 Preprocessing library for zlib-1.1...
9 Building library for zlib-1.1...