Merge branch 'master' of github.com:input-output-hk/haskell.nix into circuithub

Author: ocharles

flake.lock

@@ -61,8 +61,10 @@ in
     ]
     # TODO make this unconditional
     ++ lib.optionals (
-      __elem config.compiler.nix-name ["ghc901" "ghc902" "ghc921" "ghc922" "ghc923" "ghc924" "ghc925" "ghc926" "ghc927" "ghc941" "ghc942" "ghc943" "ghc944" "ghc945" "ghc961" "ghc96020230302"]) [
-      "ghc-bignum" ]
+      __elem config.compiler.nix-name ["ghc901" "ghc902" "ghc921" "ghc922" "ghc923" "ghc924" "ghc925" "ghc926" "ghc927" "ghc941" "ghc942" "ghc943" "ghc944" "ghc945" "ghc961" "ghc96020230302"])
+      (["ghc-bignum"]
+        # stm and exceptions are needed by the GHC package since 9.0.1
+        ++ lib.optionals (!config.reinstallableLibGhc) ["stm" "exceptions"])
     ++ lib.optionals (
       __elem config.compiler.nix-name ["ghc925" "ghc926" "ghc927" "ghc941" "ghc942" "ghc943" "ghc944" "ghc945" "ghc961" "ghc96020230302"]) [
       "system-cxx-std-lib" ]