haskellPackages.cabal-install-solver: allow building directly

This is a dependency of cabal-install and builds by virtue of its
overrideScope. We also want to make sure it builds independently, so
that it doesn't get marked as broken at the very least.

1 files changed, 5 insertions, 0 deletions

diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
index f1041debf0b5..1f82ecebd647 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
@@ -60,6 +60,11 @@ self: super: {
     Cabal-syntax = self.Cabal-syntax_3_8_1_0;
     process = self.process_1_6_15_0;
   });
+  cabal-install-solver = super.cabal-install-solver.overrideScope (self: super: {
+    Cabal = self.Cabal_3_8_1_0;
+    Cabal-syntax = self.Cabal-syntax_3_8_1_0;
+    process = self.process_1_6_15_0;
+  });
 
   # Ignore overly restrictive upper version bounds.
   aeson-diff = doJailbreak super.aeson-diff;