ifdef persistent-template 2.8.0 fixes

The i386ancient build has a ghc too old for these extensions.

Build with persistent-template 2.8.0 tested.

CHANGELOG

@@ -1,6 +1,6 @@
 git-annex (7.20200204) UNRELEASED; urgency=medium
 
-  * Fix build with newest version of persistent-template.
+  * Fix build with persistent-template 2.8.0.
   * Makefile: Really move the fish completion to the
     vendor_completions.d directory.
 

Database/ContentIdentifier.hs

@@ -5,13 +5,16 @@
  - Licensed under the GNU AGPL version 3 or higher.
  -}
 
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE QuasiQuotes, TypeFamilies, TemplateHaskell #-}
 {-# LANGUAGE OverloadedStrings, GADTs, FlexibleContexts, EmptyDataDecls #-}
 {-# LANGUAGE MultiParamTypeClasses, GeneralizedNewtypeDeriving #-}
 {-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE UndecidableInstances #-}
+#if MIN_VERSION_persistent_template(2,8,0)
 {-# LANGUAGE DerivingStrategies #-}
 {-# LANGUAGE StandaloneDeriving #-}
+#endif
 
 module Database.ContentIdentifier (
 	ContentIdentifierHandle,

Database/Export.hs

@@ -5,13 +5,16 @@
  - Licensed under the GNU AGPL version 3 or higher.
  -}
 
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE QuasiQuotes, TypeFamilies, TemplateHaskell #-}
 {-# LANGUAGE OverloadedStrings, GADTs, FlexibleContexts #-}
 {-# LANGUAGE MultiParamTypeClasses, GeneralizedNewtypeDeriving #-}
 {-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE UndecidableInstances #-}
+#if MIN_VERSION_persistent_template(2,8,0)
 {-# LANGUAGE DerivingStrategies #-}
 {-# LANGUAGE StandaloneDeriving #-}
+#endif
 
 module Database.Export (
 	ExportHandle,

Database/Fsck.hs

@@ -5,13 +5,16 @@
  - Licensed under the GNU AGPL version 3 or higher.
  -}
 
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE QuasiQuotes, TypeFamilies, TemplateHaskell #-}
 {-# LANGUAGE OverloadedStrings, GADTs, FlexibleContexts #-}
 {-# LANGUAGE MultiParamTypeClasses, GeneralizedNewtypeDeriving #-}
 {-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE UndecidableInstances #-}
+#if MIN_VERSION_persistent_template(2,8,0)
 {-# LANGUAGE DerivingStrategies #-}
 {-# LANGUAGE StandaloneDeriving #-}
+#endif
 
 module Database.Fsck (
 	FsckHandle,

Database/Keys/SQL.hs

@@ -5,13 +5,16 @@
  - Licensed under the GNU AGPL version 3 or higher.
  -}
 
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE QuasiQuotes, TypeFamilies, TemplateHaskell #-}
 {-# LANGUAGE OverloadedStrings, GADTs, FlexibleContexts #-}
 {-# LANGUAGE MultiParamTypeClasses, GeneralizedNewtypeDeriving #-}
 {-# LANGUAGE RankNTypes, ScopedTypeVariables #-}
 {-# LANGUAGE UndecidableInstances #-}
+#if MIN_VERSION_persistent_template(2,8,0)
 {-# LANGUAGE DerivingStrategies #-}
 {-# LANGUAGE StandaloneDeriving #-}
+#endif
 
 module Database.Keys.SQL where
 

doc/bugs/brew_install_git-annex_failed.mdwn

@@ -47,3 +47,4 @@ git-annex: add OBJC_DISABLE_INITIALIZE_FORK_SAFETY environment variable https://
 ### Have you had any luck using git-annex before? (Sometimes we get tired of reading bug reports all day and a lil' positive end note does wonders)
 
 
+> [[fixed|done]] in git-annex master --[[Joey]]