From a242ed08eee813e57f2f24bbc1c9b2b2f8c1bfe9 Mon Sep 17 00:00:00 2001
From: Tom McLaughlin <tom@codedown.io>
Date: Fri, 24 Nov 2023 14:49:02 -0700
Subject: [PATCH] Fix GHC 9.6 kernel (closes #51)

---
 languages/haskell/kernel.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/languages/haskell/kernel.nix b/languages/haskell/kernel.nix
index 696261f1..c2addcee 100644
--- a/languages/haskell/kernel.nix
+++ b/languages/haskell/kernel.nix
@@ -26,6 +26,10 @@ let
     proc = "${ghc.out}/bin/ghci";
   }];
 
+  libDir = if builtins.compareVersions ghc.version "9.6" < 0
+    then "${ghc.out}/lib/${ghc.meta.name}"
+    else "${ghc.out}/lib/${ghc.meta.name}/lib";
+
 in
 
 common.makeJupyterKernelInner metaOnly (
@@ -37,7 +41,7 @@ common.makeJupyterKernelInner metaOnly (
         "${ihaskell}/bin/ihaskell"
         "kernel"
         "{connection_file}"
-        "-l" "${ghc.out}/lib/${ghc.meta.name}"
+        "-l" libDir
         "--html-code-wrapper-class" "cm-s-hite"
         "--html-code-token-prefix" ""
         "+RTS" "-M3g" "-N2" "-RTS"