--- ghc-8.0.1.20161117/libraries/Cabal/Cabal/Distribution/Simple/InstallDirs.hs~ 2016-11-18 07:08:46.000000000 +0900
+++ ghc-8.0.1.20161117/libraries/Cabal/Cabal/Distribution/Simple/InstallDirs.hs 2016-12-07 18:19:02.670468156 +0900
@@ -186,7 +186,7 @@
JHC -> "$compiler"
LHC -> "$compiler"
UHC -> "$pkgid"
- _other -> "$abi",
+ _other -> "$compiler/$pkgkey",
libexecdir = case buildOS of
Windows -> "$prefix" </> "$libname"
_other -> "$prefix" </> "libexec",