gentoo-haskell / hackport Goto Github PK

     # hackport: hide-use cocoa

DESCRIPTION="Reading, writing and manipulating \\"

DESCRIPTION="Reading, writing and manipulating '.tar' archives."

  !<foo/bar-0.1.2

  >foo/bar-0.1.2:=[profile?]

hackport: Assertion failed
CalStack (from HasCallStack):
  assert, called at cabal/Cabal/Distribution/Simple/PackageIndex.hs:201:30 in main:Distribution.Simple.PackageIndex
  mkPackageIndex, called at cabal/Cabal/Distribution/Simple/PackageIndex.hs:215:17 in main:Distribution.Simple.PackageIndex

[181 of 294] Compiling Distribution.PackageDescription.Configuration ( cabal/Cabal/Distribution/PackageDescription/Configuration.hs, dist/build/hackport/hackport-tmp/Distribution/PackageDescription/Configuration.o )

cabal/Cabal/Distribution/PackageDescription/Configuration.hs:222:39: error:
    • Data.Map.insertWith' is gone. Use Data.Map.Strict.insertWith.
    • In the first argument of ‘Map.foldrWithKey’, namely
        ‘(Map.insertWith' combine)’
      In the expression:
        Map.foldrWithKey
          (Map.insertWith' combine) (unDepMapUnion xs) (unDepMapUnion ys)
      In an equation for ‘union’:
          union
            = Map.foldrWithKey
                (Map.insertWith' combine) (unDepMapUnion xs) (unDepMapUnion ys)
    |
222 |         let union = Map.foldrWithKey (Map.insertWith' combine)
    |                                       ^^^^^^^^^^^^^^^^^^^^^^^

test-suite inspection
  if !impl(ghc >=8.0)
    buildable: False

  default-language: Haskell2010
  type:             exitcode-stdio-1.0
  hs-source-dirs:   test
  main-is:          Inspection.hs
  build-depends:
      base
    , inspection-testing  >=0.4.1.1 && <0.5
    , postgresql-libpq
    , postgresql-simple
    , tasty
    , tasty-hunit

test-suite test
  default-language:   Haskell2010
  type:               exitcode-stdio-1.0
  hs-source-dirs:     test
  main-is:            Main.hs
  ...

There are up to 4194304 possible flag combinations.
This may take a while.

# hackport merge record-dot-preprocessor
accepting dep: ghc-8.4.3
Accepted depends: ["extra"]
Skipped depends: ["base >=4.8 && <5"]
Dead flags: []
Dropped flags: []
Active flags: []
Irrelevant flags: []
Current keywords: Nothing -> ["~amd64","~x86"]
Current license: Nothing -> Right "BSD"
Writing record-dot-preprocessor-0.2.7.ebuild
Recalculating digests...
Running repoman full --include-dev and pkgcheck scan...

RepoMan scours the neighborhood...
RepoMan sez: "If everyone were like you, I'd be out of business!"

# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

# ebuild generated by hackport 0.6.7.9999

CABAL_FEATURES="lib profile haddock hoogle hscolour test-suite"
inherit haskell-cabal

DESCRIPTION="Preprocessor to allow record.field syntax"
HOMEPAGE="https://github.com/ndmitchell/record-dot-preprocessor#readme"
SRC_URI="https://hackage.haskell.org/package/${P}/${P}.tar.gz"

LICENSE="BSD"
SLOT="0/${PV}"
KEYWORDS="~amd64 ~x86"

RDEPEND="dev-haskell/extra:=[profile?]
	>=dev-lang/ghc-8.4.3:=
"
DEPEND="${RDEPEND}
	>=dev-haskell/cabal-2.2.0.1
	test? ( dev-haskell/record-hasfield )
"

<use>
     <flag name="buildexamples">Build examples</flag>
</use>

[294 of 294] Compiling Main             ( Main.hs, dist/build/hackport/hackport-tmp/Main.dyn_o )

Main.hs:64:10: error:
    Not in scope: type constructor or class ‘Semigroup’
   |
64 | instance Semigroup ListFlags where
   |          ^^^^^^^^^

Main.hs:137:10: error:
    Not in scope: type constructor or class ‘Semigroup’
    |
137 | instance Semigroup MakeEbuildFlags where
    |          ^^^^^^^^^

Main.hs:209:10: error:
    Not in scope: type constructor or class ‘Semigroup’
    |
209 | instance Semigroup UpdateFlags where
    |          ^^^^^^^^^

Main.hs:323:10: error:
    Not in scope: type constructor or class ‘Semigroup’
    |
323 | instance Semigroup MergeFlags where
    |          ^^^^^^^^^

[218 of 232] Compiling Hackage.Security.Client ( hackage-security/hackage-security/src/Hackage/Security/Client.hs, dist/build/hackport/hackport-tmp/Hackage/Security/Client.dyn_o )

hackage-security/hackage-security/src/Hackage/Security/Client.hs:533:66:
    Not in scope: ‘Tar.toList’
[219 of 232] Compiling Hackage.Security.Client.Repository.Cache ( hackage-security/hackage-security/src/Hackage/Security/Client/Repository/Cache.hs, dist/build/hackport/hackport-tmp/Hackage/Security/Client/Repository/Cache.dyn_o )

hackage-security/hackage-security/src/Hackage/Security/Client/Repository/Cache.hs:132:33:
    Not in scope: ‘TarIndex.empty’

hackage-security/hackage-security/src/Hackage/Security/Client/Repository/Cache.hs:133:33:
    Not in scope: ‘TarIndex.unfinalise’
    Perhaps you meant ‘TarIndex.serialise’ (imported from Codec.Archive.Tar.Index)

hackage-security/hackage-security/src/Hackage/Security/Client/Repository/Cache.hs:198:40:
    Not in scope: ‘TarIndex.finalise’
    Perhaps you meant ‘TarIndex.serialise’ (imported from Codec.Archive.Tar.Index)

# hackport merge accelerate-examples
rejecting dep: ghc-7.4.1 as ["base >=4.7 && <4.13","containers >=0.5"] were not found.
rejecting dep: ghc-7.4.2 as ["base >=4.7 && <4.13","containers >=0.5"] were not found.
rejecting dep: ghc-7.6.1 as ["base >=4.7 && <4.13"] were not found.
rejecting dep: ghc-7.6.2 as ["base >=4.7 && <4.13"] were not found.
accepting dep: ghc-7.8.2
Accepted depends: ["HUnit >=1.2","QuickCheck >=2.7","accelerate >=1.2 && >=1.2
&& >=1.2 && >=1.2 && >=1.2 && >=1.2 && >=1.2 && >=1.2 && >=1.2 && >=1.2 &&
>=1.2 && >=1.2 && >=1.2 && >=1.2","accelerate-fft >=1.2 &&
>=1.2","accelerate-io >=1.1 && >=1.2 && >=1.2 && >=1.2 && >=1.2 &&
>=1.2","accelerate-llvm-native >=1.2","accelerate-llvm-ptx
>=1.2","ansi-wl-pprint >=0.6","bmp >=1.2","bytestring-lexing >=0.5","cereal
>=0.3","colour-accelerate >=0.1 && >=0.1 && >=0.1 && >=0.1 && >=0.1 && >=0.1
&& >=0.1","criterion >=1.0 && >=1.0","criterion-measurement >=0.1","fclabels
>=2.0 && >=2.0 && >=2.0 && >=2.0 && >=2.0 && >=2.0 && >=2.0 && >=2.0 && >=2.0
&& >=2.0 && >=2.0 && >=1.0 && >=1.0 && >=1.0","gloss >=1.7 && >=1.9 && >=1.7
&& >=1.7 && >=1.8","gloss-accelerate >=2.0 && >=2.0 &&
>=2.0","gloss-raster-accelerate >=2.0 && >=2.0 && >=2.0","gloss-rendering
>=1.9","lens-accelerate >=0.1 && >=0.1 && >=0.1","linear
>=1.1","linear-accelerate >=0.3 && >=0.3 && >=0.3","matrix-market-attoparsec
>=0.1","mwc-random >=0.8 && >=0.8 && >=0.8 && >=0.8 &&
>=0.8","normaldistribution -any","random -any","repa >=3.1","repa-io
>=3.1","scientific >=0.3","test-framework >=0.5","test-framework-hunit
>=0.3","test-framework-quickcheck2 >=0.2","vector >=0.7 && >=0.7 &&
>=0.9","vector-algorithms >=0.4 && >=0.5.4"]
Skipped depends: ["accelerate-examples -any && -any && -any && -any && -any &&
-any && -any && -any && -any && -any && -any && -any && -any","base (>=4.7 &&
<4.13) && (>=4.7 && <4.13) && (>=4.7 && <4.13) && (>=4.7 && <4.13) && (>=4.7
&& <4.13) && (>=4.7 && <4.13) && (>=4.7 && <4.13) && (>=4.7 && <4.13) &&
(>=4.7 && <4.13) && (>=4.7 && <4.13) && (>=4.7 && <4.13) && (>=4.7 && <4.13)
&& (>=4.7 && <4.13) && >=4.7 && <4.13","binary >=0.7","bytestring >=0.9 &&
>=0.9.2","containers >=0.5 && >=0.4.2","directory >=1.1 && >=1.1 &&
>=1.1","filepath >=1.0"]
Dead flags: []
Dropped flags: []
Active flags:
["gui","ekg","codespeed","llvm-cpu","llvm-ptx","smvm","crystal","tunnel","canny","mandelbrot","fluid","nbody","smoothlife","hashcat","fft","pagerank","ray","kmeans"]
Killed

Merge.hs:6:8:
    Could not find module ‘Control.Monad.Except’
    Perhaps you meant
      Control.Monad.Cont (from mtl-2.1.2)
      Control.Monad.Error (from mtl-2.1.2)
      Control.Monad.List (from mtl-2.1.2)
    Use -v to see a list of the files searched for.

RDEPEND="dev-lang/ghc-<version>
"
DEPEND="${RDEPEND}
    dev-haskell/cabal
    test? ( dev-haskell/quickcheck )
"

RDEPEND="dev-lang/ghc-<version>
"
DEPEND="${RDEPEND}"
BDEPEND="dev-haskell/cabal
    dev-lang/ghc-<version>
    test? ( dev-haskell/quickcheck )
"

  dependency.badslotop [fatal]  4
   dev-haskell/cabal-helper/cabal-helper-0.8.2.0.ebuild: RDEPEND: '>=dev-haskell/cabal-1.14:=[profile?]' uses ':=' slot operator under '||' dep clause.
   dev-haskell/cabal-helper/cabal-helper-0.8.2.0.ebuild: RDEPEND: '<dev-haskell/cabal-1.26:=[profile?]' uses ':=' slot operator under '||' dep clause.
   dev-haskell/cabal-helper/cabal-helper-0.8.2.0.ebuild: RDEPEND: '>=dev-haskell/cabal-2.0:=[profile?]' uses ':=' slot operator under '||' dep clause.
   dev-haskell/cabal-helper/cabal-helper-0.8.2.0.ebuild: RDEPEND: '<dev-haskell/cabal-2.5:=[profile?]' uses ':=' slot operator under '||' dep clause.

[  5 of 122] Compiling Distribution.Client.ComponentDeps ( cabal/cabal-install/Distribution/Client/ComponentDeps.hs, dist/build/hackport/hackport-tmp/Distribution/Client/ComponentDeps.o )

cabal/cabal-install/Distribution/Client/ComponentDeps.hs:65:10: error:
    • Could not deduce (Semigroup (ComponentDeps a))
        arising from the superclasses of an instance declaration
      from the context: Monoid a
        bound by the instance declaration
        at cabal/cabal-install/Distribution/Client/ComponentDeps.hs:65:10-45
    • In the instance declaration for ‘Monoid (ComponentDeps a)’
   |
65 | instance Monoid a => Monoid (ComponentDeps a) where
   |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[ 17 of 122] Compiling Distribution.Lex ( cabal/Cabal/Distribution/Lex.hs, dist/build/hackport/hackport-tmp/Distribution/Lex.o )

cabal/Cabal/Distribution/Lex.hs:30:10: error:
    • No instance for (Semigroup (DList a))
        arising from the superclasses of an instance declaration
    • In the instance declaration for ‘Monoid (DList a)’
   |
30 | instance Monoid (DList a) where
   |          ^^^^^^^^^^^^^^^^
[ 20 of 122] Compiling Distribution.Simple.CCompiler ( cabal/Cabal/Distribution/Simple/CCompiler.hs, dist/build/hackport/hackport-tmp/Distribution/Simple/CCompiler.o )

cabal/Cabal/Distribution/Simple/CCompiler.hs:67:10: error:
    • No instance for (Semigroup CDialect)
        arising from the superclasses of an instance declaration
    • In the instance declaration for ‘Monoid CDialect’
   |
67 | instance Monoid CDialect where
   |          ^^^^^^^^^^^^^^^
[ 25 of 122] Compiling Distribution.System ( cabal/Cabal/Distribution/System.hs, dist/build/hackport/hackport-tmp/Distribution/System.o )

cabal/Cabal/Distribution/System.hs:180:39: error:
    Ambiguous occurrence ‘<>’
    It could refer to either ‘Prelude.<>’,
                             imported from ‘Prelude’ at cabal/Cabal/Distribution/System.hs:19:8-26
                             (and originally defined in ‘GHC.Base’)
                          or ‘Text.PrettyPrint.<>’,
                             imported from ‘Text.PrettyPrint’ at cabal/Cabal/Distribution/System.hs:45:26-29
                             (and originally defined in ‘Text.PrettyPrint.HughesPJ’)
    |
180 |   disp (Platform arch os) = disp arch <> Disp.char '-' <> disp os
    |                                       ^^

cabal/Cabal/Distribution/System.hs:180:56: error:
    Ambiguous occurrence ‘<>’
    It could refer to either ‘Prelude.<>’,
                             imported from ‘Prelude’ at cabal/Cabal/Distribution/System.hs:19:8-26
                             (and originally defined in ‘GHC.Base’)
                          or ‘Text.PrettyPrint.<>’,
                             imported from ‘Text.PrettyPrint’ at cabal/Cabal/Distribution/System.hs:45:26-29
                             (and originally defined in ‘Text.PrettyPrint.HughesPJ’)
    |
180 |   disp (Platform arch os) = disp arch <> Disp.char '-' <> disp os
    |                                                        ^^
[ 29 of 122] Compiling Distribution.Version ( cabal/Cabal/Distribution/Version.hs, dist/build/hackport/hackport-tmp/Distribution/Version.o )

cabal/Cabal/Distribution/Version.hs:740:37: error:
    Ambiguous occurrence ‘<>’
    It could refer to either ‘Prelude.<>’,
                             imported from ‘Prelude’ at cabal/Cabal/Distribution/Version.hs:22:8-27
                             (and originally defined in ‘GHC.Base’)
                          or ‘Text.PrettyPrint.<>’,
                             imported from ‘Text.PrettyPrint’ at cabal/Cabal/Distribution/Version.hs:88:26-29
                             (and originally defined in ‘Text.PrettyPrint.HughesPJ’)
    |
740 |            (\v   -> (Disp.text "==" <> disp v                   , 0))
    |                                     ^^

cabal/Cabal/Distribution/Version.hs:741:37: error:
    Ambiguous occurrence ‘<>’
    It could refer to either ‘Prelude.<>’,
                             imported from ‘Prelude’ at cabal/Cabal/Distribution/Version.hs:22:8-27
                             (and originally defined in ‘GHC.Base’)
                          or ‘Text.PrettyPrint.<>’,
                             imported from ‘Text.PrettyPrint’ at cabal/Cabal/Distribution/Version.hs:88:26-29
                             (and originally defined in ‘Text.PrettyPrint.HughesPJ’)
    |
741 |            (\v   -> (Disp.char '>'  <> disp v                   , 0))
    |                                     ^^

cabal/Cabal/Distribution/Version.hs:742:37: error:
    Ambiguous occurrence ‘<>’
    It could refer to either ‘Prelude.<>’,
                             imported from ‘Prelude’ at cabal/Cabal/Distribution/Version.hs:22:8-27
                             (and originally defined in ‘GHC.Base’)
                          or ‘Text.PrettyPrint.<>’,
                             imported from ‘Text.PrettyPrint’ at cabal/Cabal/Distribution/Version.hs:88:26-29
                             (and originally defined in ‘Text.PrettyPrint.HughesPJ’)
    |
742 |            (\v   -> (Disp.char '<'  <> disp v                   , 0))
    |                                     ^^

cabal/Cabal/Distribution/Version.hs:743:37: error:
    Ambiguous occurrence ‘<>’
    It could refer to either ‘Prelude.<>’,
                             imported from ‘Prelude’ at cabal/Cabal/Distribution/Version.hs:22:8-27
                             (and originally defined in ‘GHC.Base’)
                          or ‘Text.PrettyPrint.<>’,
                             imported from ‘Text.PrettyPrint’ at cabal/Cabal/Distribution/Version.hs:88:26-29
                             (and originally defined in ‘Text.PrettyPrint.HughesPJ’)
    |
743 |            (\v   -> (Disp.text ">=" <> disp v                   , 0))
    |                                     ^^

cabal/Cabal/Distribution/Version.hs:744:37: error:
    Ambiguous occurrence ‘<>’
    It could refer to either ‘Prelude.<>’,
                             imported from ‘Prelude’ at cabal/Cabal/Distribution/Version.hs:22:8-27
                             (and originally defined in ‘GHC.Base’)
                          or ‘Text.PrettyPrint.<>’,
                             imported from ‘Text.PrettyPrint’ at cabal/Cabal/Distribution/Version.hs:88:26-29
                             (and originally defined in ‘Text.PrettyPrint.HughesPJ’)
    |
744 |            (\v   -> (Disp.text "<=" <> disp v                   , 0))
    |                                     ^^

cabal/Cabal/Distribution/Version.hs:745:37: error:
    Ambiguous occurrence ‘<>’
    It could refer to either ‘Prelude.<>’,
                             imported from ‘Prelude’ at cabal/Cabal/Distribution/Version.hs:22:8-27
                             (and originally defined in ‘GHC.Base’)
                          or ‘Text.PrettyPrint.<>’,
                             imported from ‘Text.PrettyPrint’ at cabal/Cabal/Distribution/Version.hs:88:26-29
                             (and originally defined in ‘Text.PrettyPrint.HughesPJ’)
    |
745 |            (\v _ -> (Disp.text "==" <> dispWild v               , 0))
    |                                     ^^

cabal/Cabal/Distribution/Version.hs:752:13: error:
    Ambiguous occurrence ‘<>’
    It could refer to either ‘Prelude.<>’,
                             imported from ‘Prelude’ at cabal/Cabal/Distribution/Version.hs:22:8-27
                             (and originally defined in ‘GHC.Base’)
                          or ‘Text.PrettyPrint.<>’,
                             imported from ‘Text.PrettyPrint’ at cabal/Cabal/Distribution/Version.hs:88:26-29
                             (and originally defined in ‘Text.PrettyPrint.HughesPJ’)
    |
752 |             <> Disp.text ".*"
    |             ^^

$ cabal build hackport
Preprocessing executable 'hackport' for hackport-0.4.4...

Diff.hs:28:8:
    Could not find module ‘Distribution.Client.Utils’
    Perhaps you meant
      Distribution.Simple.Utils (needs flag -package Cabal-1.20.0.2)
      Distribution.Simple.Utils (needs flag -package Cabal-1.18.1.3)
    Use -v to see a list of the files searched for.

DistroMap.hs:47:8:
    Could not find module ‘Distribution.Verbosity’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

DistroMap.hs:49:8:
    Could not find module ‘Distribution.Client.Types’
    Use -v to see a list of the files searched for.

DistroMap.hs:54:18:
    Could not find module ‘Distribution.Client.PackageIndex’
    Perhaps you meant
      Distribution.Simple.PackageIndex (needs flag -package Cabal-1.20.0.2)
      Distribution.Simple.PackageIndex (needs flag -package Cabal-1.18.1.3)
    Use -v to see a list of the files searched for.

DistroMap.hs:55:18:
    Could not find module ‘Distribution.Client.IndexUtils’
    Use -v to see a list of the files searched for.

Merge.hs:26:18:
    Could not find module ‘Distribution.PackageDescription.Parse’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Portage/Cabal.hs:11:18:
    Could not find module ‘Distribution.License’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Portage/GHCCore.hs:13:8:
    Could not find module ‘Distribution.Simple.PackageIndex’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Portage/GHCCore.hs:14:8:
    Could not find module ‘Distribution.InstalledPackageInfo’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Portage/GHCCore.hs:16:8:
    Could not find module ‘Distribution.PackageDescription’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Portage/GHCCore.hs:17:8:
    Could not find module ‘Distribution.PackageDescription.Configuration’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Portage/GHCCore.hs:18:8:
    Could not find module ‘Distribution.Compiler’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Portage/GHCCore.hs:19:8:
    Could not find module ‘Distribution.System’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Portage/Overlay.hs:20:8:
    Could not find module ‘Distribution.Simple.Utils’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Portage/PackageId.hs:20:18:
    Could not find module ‘Distribution.Package’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Portage/Version.hs:20:18:
    Could not find module ‘Distribution.Version’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Portage/Version.hs:22:8:
    Could not find module ‘Distribution.Text’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Portage/Version.hs:24:18:
    Could not find module ‘Distribution.Compat.ReadP’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Main.hs:11:8:
    Could not find module ‘Distribution.Simple.Setup’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Main.hs:17:8:
    Could not find module ‘Distribution.ReadE’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Main.hs:18:8:
    Could not find module ‘Distribution.Simple.Command’
    It is a member of the hidden package ‘Cabal-1.18.1.3’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    It is a member of the hidden package ‘Cabal-1.20.0.2’.
    Perhaps you need to add ‘Cabal’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.

Main.hs:26:8:
    Could not find module ‘Distribution.Client.Update’
    Use -v to see a list of the files searched for.

Main.hs:50:18:
    Could not find module ‘Paths_cabal_install’
    Use -v to see a list of the files searched for.

test-suite tests[1]
build-depends: ...

src_configure() {
    cabal_src_configure $(use_enable test tests[1])
}

❯ q use -eD library-only
dev-haskell/hledger-web[library-only] Build for use with "yesod devel"

❯ q use -eD executable
dev-haskell/bytedump[executable] build executable file
dev-haskell/cpu[executable] build 'cpuid' tool
dev-haskell/highlighting-kate[executable] Build the Highlight executable.
dev-haskell/language-dot[executable] Build the `ppdot' executable
dev-haskell/skylighting[executable] Build the skylighting executable.
dev-haskell/skylighting-core[executable] Build the skylighting executable.
dev-haskell/texmath[executable] Compile test executable.
dev-haskell/zip-archive[executable] Build the Zip executable.
dev-php/agavi[executable] Install the "agavi" executable used to manage projects. This requires dev-php/phing, and may be omitted if you are (for example) deploying an existing site to a production server.
dev-haskell/bench-show[executable] Build executable as well as library
dev-haskell/bytedump[executable] build executable file
dev-haskell/citeproc[executable] Build citeproc executable
dev-haskell/cpu[executable] build 'cpuid' tool
dev-haskell/highlighter[executable] Install a "highlighter" executable
dev-haskell/highlighting-kate[executable] Build the Highlight executable.
dev-haskell/language-dot[executable] Build the `ppdot' executable
dev-haskell/skylighting[executable] Whether to build the skylighting program
dev-haskell/skylighting-core[executable] Build skylighting-extract tool
dev-haskell/texmath[executable] Compile test executable.
dev-haskell/zip-archive[executable] Build the Zip executable.

hackport ‰ cabal repl
Build profile: -w ghc-8.10.1 -O1
In order, the following will be built (use -v for more details):
 - hackport-0.6.6 (exe:hackport) (ephemeral targets)
Preprocessing executable 'hackport' for hackport-0.6.6..
GHCi, version 8.10.1: https://www.haskell.org/ghc/  :? for help

<interactive>:1:1: error:
    attempting to use module ‘main:Prelude’ (hackage-security/hackage-security/src/Prelude.hs) which is not loaded
cabal: repl failed for exe:hackport from hackport-0.6.6.