NixOS · May 4, 2021
diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
@@ -291,7 +291,6 @@ self: super: {
   htsn = dontCheck super.htsn;
   htsn-import = dontCheck super.htsn-import;
   http-link-header = dontCheck super.http-link-header; # non deterministic failure https://hydra.nixos.org/build/75041105
-  ihaskell = dontCheck super.ihaskell;
   influxdb = dontCheck super.influxdb;
   integer-roots = dontCheck super.integer-roots; # requires an old version of smallcheck, will be fixed in > 1.0
   itanium-abi = dontCheck super.itanium-abi;

diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
@@ -7153,22 +7153,9 @@ broken-packages:
   - ige-mac-integration
   - ignore
   - igraph
-  - ihaskell
-  - ihaskell-aeson
   - ihaskell-basic
-  - ihaskell-blaze
-  - ihaskell-charts
-  - ihaskell-diagrams
   - ihaskell-display
-  - ihaskell-gnuplot
-  - ihaskell-graphviz
-  - ihaskell-hatex
-  - ihaskell-hvega
-  - ihaskell-inline-r
-  - ihaskell-juicypixels
-  - ihaskell-magic
   - ihaskell-parsec
-  - ihaskell-plot
   - ihaskell-rlangqq
   - ihaskell-widgets
   - ihttp

diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -826,4 +826,19 @@ self: super: builtins.intersectAttrs super {
 
   # Tests access internet
   prune-juice = dontCheck super.prune-juice;
+
+  # based on https://github.com/gibiansky/IHaskell/blob/aafeabef786154d81ab7d9d1882bbcd06fc8c6c4/release.nix
+  ihaskell = overrideCabal super.ihaskell (drv: {
+    configureFlags = (drv.configureFlags or []) ++ [
+      # ihaskell's cabal file forces building a shared executable,
+      # but without passing --enable-executable-dynamic, the RPATH
+      # contains /build/ and leads to a build failure with nix
+      "--enable-executable-dynamic"
+    ];
+    preCheck = ''
+      export HOME=$TMPDIR/home
+      export PATH=$PWD/dist/build/ihaskell:$PATH
+      export GHC_PACKAGE_PATH=$PWD/dist/package.conf.inplace/:$GHC_PACKAGE_PATH
+    '';
+  });
 }
diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix