I just installed hat and tried using it, but something appears to have gone wrong with the install: -8<-------------------------------- $ hmake -hat fib.hs hat-trans fib.hs Wrote Hat/fib.hs ghc -c -package hat -o Hat/fib.o Hat/fib.hs Hat/fib.hs:3:0: Failed to load interface for `Hat.PreludeBasic': Use -v to see a list of the files searched for. ----------------------------------- Ooops. I check where it looks for Hat.PreludeBasic: -8<-------------------------------- $ hmake -hat -v fib.hs hat-trans fib.hs Wrote Hat/fib.hs ghc -v -c -package hat -o Hat/fib.o Hat/fib.hs Glasgow Haskell Compiler, Version 6.6, for Haskell 98, compiled by GHC version 6.6 Using package config file: /opt/local/lib/ghc-6.6/package.conf Using package config file: /Users/max/.ghc/powerpc-darwin-6.6/package.conf wired-in package base mapped to base-2.0 wired-in package rts mapped to rts-1.0 wired-in package haskell98 mapped to haskell98-1.0 wired-in package template-haskell mapped to template-haskell-2.0 Hsc static flags: -static Created temporary directory: /tmp/ghc22180_0 *** Checking old interface for main:Main: *** Parser: *** Renamer/typechecker: Hat/fib.hs:3:0: Failed to load interface for `Hat.PreludeBasic': locations searched: Hat/PreludeBasic.hi Hat/PreludeBasic.hi-boot /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_hat/work/destroot/opt/local/imports/hat-2.05/ghc-606/Hat/PreludeBasic.hi *** Deleting temp files: Deleting: /tmp/ghc22180_0/ghc22180_0.s Warning: deleting non-existent /tmp/ghc22180_0/ghc22180_0.s *** Deleting temp dirs: Deleting: /tmp/ghc22180_0 ----------------------------------- Hm. I check and find that my hat has some file like that in /opt/local/imports/hat-2.05/ghc-606/Hat, and try -8<-------------------------------- $ hmake -hat -I/opt/local/imports/hat-2.05/ghc-606 fib.hs hat-trans -I/opt/local/imports/hat-2.05/ghc-606 fib.hs Wrote Hat/fib.hs ghc -I/opt/local/imports/hat-2.05/ghc-606 -i/opt/local/imports/hat-2.05/ghc-606 -c -package hat -o Hat/fib.o Hat/fib.hs Hat/fib.hs:3:0: Bad interface file: /opt/local/imports/hat-2.05/ghc-606/Hat/PreludeBasic.hi Something is amiss; requested module main:Hat.PreludeBasic differs from name found in the interface file hat-2.5:Hat.PreludeBasic ----------------------------------- hat-2.5 versus hat-2.05? I am not sure what's going wrong here. Any hints appreciated. Thanks, Max hat @2.05_0 ghc @6.6_5+darwin_8_powerpc hmake @3.13_0