Sync Cabal to upstream version 1.18 pre-release

Apart from bumping build-dep version bounds, `ghc-cabal` is adapted to
some minor Cabal API changes, and `bin-package-db` is made aware of
Cabal's recently added AGPL licence support.

3 files changed, 4 insertions, 2 deletions

diff --git a/libraries/Cabal b/libraries/Cabal
-Subproject 5fa5c41cd9d2c9b4b543312af6919fe3d858865
+Subproject 85cb83d7d8dbc8e59e20d31323e660608eb5255
diff --git a/libraries/bin-package-db/Distribution/InstalledPackageInfo/Binary.hs b/libraries/bin-package-db/Distribution/InstalledPackageInfo/Binary.hs
index 123f91adae..27e23d8959 100644
--- a/libraries/bin-package-db/Distribution/InstalledPackageInfo/Binary.hs
+++ b/libraries/bin-package-db/Distribution/InstalledPackageInfo/Binary.hs
@@ -131,7 +131,8 @@ instance Binary License where
   put AllRightsReserved    = do putWord8 6
   put OtherLicense         = do putWord8 7
   put (Apache v)           = do putWord8 8; put v
-  put (UnknownLicense str) = do putWord8 9; put str
+  put (AGPL v)             = do putWord8 9; put v
+  put (UnknownLicense str) = do putWord8 10; put str
 
   get = do
     n <- getWord8
@@ -145,6 +146,7 @@ instance Binary License where
       6 -> return AllRightsReserved
       7 -> return OtherLicense
       8 -> do v <- get; return (Apache v)
+      9 -> do v <- get; return (AGPL v)
       _ -> do str <- get; return (UnknownLicense str)
 
 instance Binary Version where
diff --git a/libraries/bin-package-db/bin-package-db.cabal b/libraries/bin-package-db/bin-package-db.cabal
index c03399cd5b..c308b60052 100644
--- a/libraries/bin-package-db/bin-package-db.cabal
+++ b/libraries/bin-package-db/bin-package-db.cabal
@@ -18,7 +18,7 @@ Library {
     build-depends: base >= 4 && < 5
 
     build-depends: binary >= 0.5 && < 0.8,
-                   Cabal >= 1.8 && < 1.18
+                   Cabal >= 1.18 && < 1.19
 
     extensions: CPP
 }