Clean out support for old ghcs from cabal files

ghc-parser/ghc-parser.cabal

@@ -16,41 +16,19 @@ build-type:          Simple
 -- extra-source-files:
 cabal-version:       >=1.16
 
--- hs-source-dirs doesn't work well, doesn't take union, so include all src dirs specifically
-extra-source-files:
-  HaskellParser76.y.pp
-  HaskellParser782.y.pp
-  HaskellParser783.y.pp
-  src-7.10/Language/Haskell/GHC/HappyParser.hs
-  src-7.8.2/Language/Haskell/GHC/HappyParser.hs
-  src-7.8.3/Language/Haskell/GHC/HappyParser.hs
-  src-7.6/Language/Haskell/GHC/HappyParser.hs
-
 library
   build-tools:         happy, cpphs
   exposed-modules:     Language.Haskell.GHC.Parser,
                        Language.Haskell.GHC.HappyParser
   -- other-modules:
   -- other-extensions:
-  build-depends:       base                 >=4.6 && < 5,
-                       ghc                  >=7.6 && <8.7
+  build-depends:       base                 >=4.9 && < 5,
+                       ghc                  >=8.0 && <8.7
 
-  if   impl(ghc >= 7.6) && impl(ghc < 7.8)
-    hs-source-dirs:      generic-src src-7.6
+  if impl(ghc >= 8.0) && impl(ghc < 8.4)
+    hs-source-dirs:    generic-src src-8.0
   else
-    if impl(ghc >= 7.8) && impl(ghc < 7.8.3)
-      hs-source-dirs:    generic-src src-7.8.2
-    else
-      if impl(ghc < 7.10)
-        hs-source-dirs:    generic-src src-7.8.3
-      else
-        if impl(ghc < 8.0)
-          hs-source-dirs:    generic-src src-7.10
-        else
-          if impl(ghc >= 8.0) && impl(ghc < 8.4)
-            hs-source-dirs:    generic-src src-8.0
-          else
-            hs-source-dirs:    generic-src src-8.4
+    hs-source-dirs:    generic-src src-8.4
 
 
   default-language:    Haskell2010

ghc-parser/src-7.10/Language/Haskell/GHC/HappyParser.hs

-module Language.Haskell.GHC.HappyParser
-    ( fullStatement
-    , fullImport
-    , fullDeclaration
-    , fullExpression
-    , fullTypeSignature
-    , fullModule
-    ) where
-
-import Parser
-import SrcLoc
-
--- compiler/hsSyn
-import HsSyn
-
--- compiler/utils
-import OrdList
-
--- compiler/parser
-import RdrHsSyn
-import Lexer
-
--- compiler/basicTypes
-import RdrName
-
-fullStatement :: P (Maybe (LStmt RdrName (LHsExpr RdrName)))
-fullStatement = parseStmt
-
-fullImport :: P (LImportDecl RdrName)
-fullImport = parseImport
-
-fullDeclaration :: P (OrdList (LHsDecl RdrName))
-fullDeclaration = parseDeclaration
-
-fullExpression :: P (LHsExpr RdrName)
-fullExpression = parseExpression
-
-fullTypeSignature :: P (Located (OrdList (LHsDecl RdrName)))
-fullTypeSignature = parseTypeSignature
-
-fullModule :: P (Located (HsModule RdrName))
-fullModule = parseModule

ihaskell-display/ihaskell-aeson/ihaskell-aeson.cabal

 -- The name of the package.
 name:                ihaskell-aeson
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -13,7 +13,7 @@ version:             0.3.0.1
 synopsis:            IHaskell display instances for Aeson
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/ihaskell
@@ -27,20 +27,20 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Andrew Gibiansky
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          andrew.gibiansky@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -48,21 +48,21 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Aeson
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-             
+  -- other-modules:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        here,
                        text,
                        bytestring,
                        aeson >= 0.7,
                        aeson-pretty >= 0.7,
                        ihaskell >= 0.5
-  
+
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010

ihaskell-display/ihaskell-blaze/ihaskell-blaze.cabal

--- Initial ihaskell-display.cabal generated by cabal init.  For further 
+-- Initial ihaskell-display.cabal generated by cabal init.  For further
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 -- The name of the package.
 name:                ihaskell-blaze
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -16,7 +16,7 @@ version:             0.3.0.1
 synopsis:            IHaskell display instances for blaze-html types
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/ihaskell
@@ -30,20 +30,20 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Andrew Gibiansky
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          andrew.gibiansky@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -52,18 +52,18 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Blaze
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-             
+  -- other-modules:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        blaze-html >= 0.6,
                        blaze-markup >= 0.5,
                        ihaskell >= 0.5
-  
+
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010

ihaskell-display/ihaskell-charts/ihaskell-charts.cabal

 -- The name of the package.
 name:                ihaskell-charts
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -13,7 +13,7 @@ version:             0.3.0.1
 synopsis:            IHaskell display instances for charts types
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/ihaskell
@@ -27,20 +27,20 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Andrew Gibiansky
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          andrew.gibiansky@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -49,21 +49,21 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Charts
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-             
+  -- other-modules:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        bytestring,
                        data-default-class,
                        directory,
                        Chart,
                        Chart-cairo >=1.2,
                        ihaskell >= 0.6.2
-  
+
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010

ihaskell-display/ihaskell-diagrams/ihaskell-diagrams.cabal

 -- The name of the package.
 name:                ihaskell-diagrams
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -13,7 +13,7 @@ version:             0.3.2.1
 synopsis:            IHaskell display instances for diagram types
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/ihaskell
@@ -27,20 +27,20 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Andrew Gibiansky
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          andrew.gibiansky@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -49,13 +49,13 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Diagrams
-  
+
   -- Modules included in this library but not exported.
   other-modules:       IHaskell.Display.Diagrams.Animation
                        IHaskell.Display.Diagrams.ImgSize
-  
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        text,
                        bytestring,
                        directory,
@@ -69,7 +69,7 @@ library
                        active >= 0.2
 
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010

ihaskell-display/ihaskell-gnuplot/ihaskell-gnuplot.cabal

 -- The name of the package.
 name:                ihaskell-gnuplot
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -13,7 +13,7 @@ version:             0.1.0.1
 synopsis:            IHaskell display instance for Gnuplot (from gnuplot package)
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/ihaskell
@@ -27,21 +27,21 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Doro Rose <dororose@hotmail.com>
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          Doro Rose <dororose@hotmail.com>,
                      Andrew Gibiansky <andrew.gibiansky@gmail.com>
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -49,18 +49,18 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Gnuplot
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-             
+  -- other-modules:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        bytestring,
                        gnuplot >= 0.5.4,
                        ihaskell >= 0.6.2
-  
+
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010

ihaskell-display/ihaskell-hatex/ihaskell-hatex.cabal

 name:                ihaskell-hatex
 version:             0.2.1.1
 synopsis:            IHaskell display instances for hatex
--- description:         
+-- description:
 homepage:            http://www.github.com/gibiansky/IHaskell
 license:             MIT
 license-file:        LICENSE
@@ -14,9 +14,9 @@ cabal-version:       >=1.16
 
 library
   exposed-modules:     IHaskell.Display.Hatex
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        text,
                        HaTeX >= 3.9,
                        ihaskell >= 0.5
   default-language:    Haskell2010
-  
+

ihaskell-display/ihaskell-juicypixels/ihaskell-juicypixels.cabal

 -- The name of the package.
 name:                ihaskell-juicypixels
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -14,10 +14,10 @@ synopsis:            IHaskell - IHaskellDisplay instances of the image types of
 
 -- A longer description of the package.
 description:        IHaskellDisplay instances of the image types of the JuicyPixels package. They are displayed as .JPG images.
-                    DynamicImages and Images of types PixelRGBA16, PixelRGBA8, PixelRGB16, PixelRGB8, 
+                    DynamicImages and Images of types PixelRGBA16, PixelRGBA8, PixelRGB16, PixelRGB8,
                     PixelYA16, PixelYA8, Pixel16, Pixel8, PixelCMYK16, PixelCMYK8, PixelF, Pixel32
-                    are supported. 
-                    The module IHaskell.Juicypixels re-exports the modules IHaskell.Display and Codec.Picture.    
+                    are supported.
+                    The module IHaskell.Juicypixels re-exports the modules IHaskell.Display and Codec.Picture.
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/ihaskell
@@ -32,21 +32,21 @@ license-file:        LICENSE
 author:              Roland Senn,
                      Will Yager
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          rsx@bluewin.ch,
                      will.yager@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -55,19 +55,19 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Juicypixels
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-             
+  -- other-modules:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        bytestring,
                        directory,
                        JuicyPixels >= 3.1.3,
                        ihaskell >= 0.6.2
-  
+
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010

ihaskell-display/ihaskell-magic/ihaskell-magic.cabal

--- Initial ihaskell-display.cabal generated by cabal init.  For further 
+-- Initial ihaskell-display.cabal generated by cabal init.  For further
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 -- The name of the package.
 name:                ihaskell-magic
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -16,7 +16,7 @@ version:             0.3.0.1
 synopsis:            IHaskell display instances for bytestrings
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/IHaskell
@@ -30,20 +30,20 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Adam Vogt
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          andrew.gibiansky@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -52,12 +52,12 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Magic
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-             
+  -- other-modules:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        magic >= 1.0.8,
                        text,
                        bytestring,
@@ -65,10 +65,10 @@ library
                        base64-bytestring,
                        ipython-kernel,
                        ihaskell >= 0.5
-  
+
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010
-  
+

ihaskell-display/ihaskell-plot/ihaskell-plot.cabal

 -- The name of the package.
 name:                ihaskell-plot
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -13,7 +13,7 @@ version:             0.3.0.1
 synopsis:            IHaskell display instance for Plot (from plot package)
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/ihaskell
@@ -27,21 +27,21 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Sumit Sahrawat <sumit.sahrawat.apm13@itbhu.ac.in>
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          Sumit Sahrawat <sumit.sahrawat.apm13@itbhu.ac.in>,
                      Andrew Gibiansky <andrew.gibiansky@gmail.com>
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -49,19 +49,19 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Plot
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-             
+  -- other-modules:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        plot,
                        bytestring,
                        hmatrix >= 0.10,
                        ihaskell >= 0.6.2
-  
+
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010

ihaskell-display/ihaskell-static-canvas/ihaskell-static-canvas.cabal

--- Initial ihaskell-static-canvas.cabal generated by cabal init.  For 
+-- Initial ihaskell-static-canvas.cabal generated by cabal init.  For
 -- further documentation, see http://haskell.org/cabal/users-guide/
 
 -- The name of the package.
 name:                ihaskell-static-canvas
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -16,7 +16,7 @@ version:             0.1.0.0
 synopsis:            IHaskell display for static-canvas
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/IHaskell
@@ -30,20 +30,20 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Andrew Gibiansky
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          andrew.gibiansky@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
--- category:            
+-- category:
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.10
@@ -52,22 +52,22 @@ cabal-version:       >=1.10
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.StaticCanvas
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-  
+  -- other-modules:
+
   -- LANGUAGE extensions used by modules in this package.
-  -- other-extensions:    
-  
+  -- other-extensions:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.7,
+  build-depends:       base >=4.9,
                        ihaskell,
                        static-canvas,
                        text
-  
+
   -- Directories containing source files.
   hs-source-dirs:      src
-  
+
   -- Base language which the package is written in.
   default-language:    Haskell2010
-  
+

ihaskell-display/ihaskell-widgets/ihaskell-widgets.cabal

--- Initial ihaskell-widgets.cabal generated by cabal init.  For 
+-- Initial ihaskell-widgets.cabal generated by cabal init.  For
 -- further documentation, see http://haskell.org/cabal/users-guide/
 
 -- The name of the package.
 name:                ihaskell-widgets
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -16,7 +16,7 @@ version:             0.2.3.2
 synopsis:            IPython standard widgets for IHaskell.
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/IHaskell
@@ -30,19 +30,19 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Sumit Sahrawat
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          Sumit Sahrawat <sumit.sahrawat.apm13@iitbhu.ac.in>,
                      Andrew Gibiansky <andrew.gibiansky@gmail.com>
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
--- category:            
+-- category:
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
 extra-source-files:  README.md, MsgSpec.md
 
@@ -89,12 +89,10 @@ library
                        IHaskell.Display.Widgets.Singletons
 
   -- LANGUAGE extensions used by modules in this package.
-  -- other-extensions:    
-  
-  -- Other library packages from which modules are imported.
-  -- singletons 2.* require ghc 7.10.2
+  -- other-extensions:
+
   build-depends:       aeson >=0.7
-                     , base >=4.7 && <5
+                     , base >=4.9 && <5
                      , containers >= 0.5
                      , ipython-kernel >= 0.6.1.2
                      , text >= 0.11
@@ -104,30 +102,13 @@ library
                      , scientific -any
                      , unix -any
                      , ihaskell >= 0.6.4.1
-  if impl(ghc >= 7.10.2)
-    build-depends:       singletons >= 0.9.0
-  if impl(ghc == 7.10.1)
-    build-depends:       singletons >= 0.9.0 && <2.0
-                       , nats -any
-  if impl(ghc < 7.10.1)
-    build-depends:       singletons >= 0.9.0 && <2.0
-                       , nats <1.1
-  
+
+					 -- The singletons package version is locked to the compiler
+					 -- so let cabal choose the right one.
+                     , singletons -any
+
   -- Directories containing source files.
   hs-source-dirs:      src
-  
+
   -- Base language which the package is written in.
   default-language:    Haskell2010
-  
-  -- Deal with small -fcontext-stack on ghc-7.8.
-  -- Default values:
-  --   ghc-7.6.*  = 200
-  --   ghc-7.8.*  = 20   -- Too small for vinyl & singletons
-  --   ghc-7.10.* = 100
-  if impl(ghc == 7.8.*)
-    ghc-options:       -fcontext-stack=100
-
-  -- compile without optimizations not to run out of memory on travis
-  if impl(ghc == 7.10.*)
-    ghc-options:       -O0
-

ihaskell.cabal

 -- The name of the package.
 name:                ihaskell
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -13,8 +13,8 @@ version:             0.9.1.0
 synopsis:            A Haskell backend kernel for the IPython project.
 
 -- A longer description of the package.
-description:         IHaskell is a Haskell backend kernel for the IPython project. This allows using Haskell via 
-                     a console or notebook interface. Additional packages may be installed to provide richer data visualizations. 
+description:         IHaskell is a Haskell backend kernel for the IPython project. This allows using Haskell via
+                     a console or notebook interface. Additional packages may be installed to provide richer data visualizations.
 
 -- URL for the project homepage or repository.
 homepage:            http://github.com/gibiansky/IHaskell
@@ -28,12 +28,12 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Andrew Gibiansky
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          andrew.gibiansky@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
@@ -42,7 +42,7 @@ build-type:          Simple
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
 
-data-files: 
+data-files:
     html/kernel.js
     html/logo-64x64.svg
 
@@ -117,7 +117,7 @@ library
                    IHaskell.BrokenPackages
                    IHaskell.CSS
                    Paths_ihaskell
-  other-modules: 
+  other-modules:
                    IHaskellPrelude
                    StringUtils
 
@@ -125,19 +125,19 @@ executable ihaskell
   -- .hs or .lhs file containing the Main module.
   main-is:             Main.hs
   hs-source-dirs: main
-  other-modules: 
+  other-modules:
                    IHaskellPrelude
                    Paths_ihaskell
   ghc-options: -threaded -rtsopts
-  
+
   -- Other library packages from which modules are imported.
   default-language:    Haskell2010
-  build-depends:       
+  build-depends:
                        ihaskell -any,
-                       base                 >=4.6 && < 4.13,
+                       base                 >=4.9 && < 4.13,
                        text                 >=0.11,
                        transformers         -any,
-                       ghc                  >=7.6 || < 7.11,
+                       ghc                  >=8.0 && < 8.7,
                        process              >=1.1,
                        aeson                >=0.7,
                        bytestring           >=0.10,
@@ -147,9 +147,6 @@ executable ihaskell
                        directory            -any,
                        ipython-kernel       >=0.7
 
-  if flag(binPkgDb)
-    build-depends:       bin-package-db
-
 Test-Suite hspec
     Type: exitcode-stdio-1.0
     Ghc-Options: -threaded

ipython-kernel/ipython-kernel.cabal

@@ -34,7 +34,7 @@ library
   other-extensions:    OverloadedStrings
   hs-source-dirs:      src
   default-language:    Haskell2010
-  build-depends:       base                 >=4.6 && <5,
+  build-depends:       base                 >=4.9 && <5,
                        aeson           ,
                        bytestring      ,
                        cereal          ,