haskellPackages.purescript-cst: get building

pkgs/development/haskell-modules/configuration-common.nix

@@ -976,6 +976,13 @@ self: super: {
   # https://github.com/haskell/hoopl/issues/50
   hoopl = dontCheck super.hoopl;
 
+  # The most recent version of purescript-cst (0.4.0.0) has version
+  # bounds for LTS-17, so we need to jailbreak it for LTS-18.
+  # doJailbreak can likely be removed when the next version of
+  # purescript-cst is released, since the version bounds have
+  # been updated for LTS-18.
+  purescript-cst = doJailbreak super.purescript-cst;
+
   purescript =
     let
       purescriptWithOverrides = super.purescript.override {

pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml

@@ -3917,7 +3917,6 @@ broken-packages:
   - Pup-Events-Server
   - pure-io
   - pure-priority-queue
-  - purescript-cst
   - pure-zlib
   - pusher-haskell
   - pusher-ws

pkgs/development/haskell-modules/hackage-packages.nix

@@ -218564,8 +218564,6 @@ self: {
        libraryToolDepends = [ happy ];
        description = "PureScript Programming Language Concrete Syntax Tree";
        license = lib.licenses.bsd3;
-       hydraPlatforms = lib.platforms.none;
-       broken = true;
      }) {};
 
   "purescript-iso" = callPackage