From 2dae22748f572b52002767e3fcf86b0f70d50cdc Mon Sep 17 00:00:00 2001
From: sternenseemann <sternenseemann@systemli.org>
Date: Thu, 5 Sep 2024 23:44:11 +0200
Subject: [PATCH] haskell.compiler.*: set correct runtime LLVM tools in
 settings

Note that the clang command should be adapted in the future as done for
CLANG in #338782.
---
 pkgs/development/compilers/ghc/8.10.7.nix              | 10 ++++++++++
 pkgs/development/compilers/ghc/common-hadrian.nix      | 10 ++++++++++
 .../compilers/ghc/common-make-native-bignum.nix        | 10 ++++++++++
 3 files changed, 30 insertions(+)

diff --git a/pkgs/development/compilers/ghc/8.10.7.nix b/pkgs/development/compilers/ghc/8.10.7.nix
index 3fe17f620d074..bf1c27f2a812e 100644
--- a/pkgs/development/compilers/ghc/8.10.7.nix
+++ b/pkgs/development/compilers/ghc/8.10.7.nix
@@ -472,6 +472,16 @@ stdenv.mkDerivation (rec {
       "otool command" "${toolPath "otool" installCC}" \
       "install_name_tool command" "${toolPath "install_name_tool" installCC}"
   ''
+  + lib.optionalString useLLVM ''
+    ghc-settings-edit "$settingsFile" \
+      "LLVM llc command" "${lib.getBin llvmPackages.llvm}/bin/llc" \
+      "LLVM opt command" "${lib.getBin llvmPackages.llvm}/bin/opt"
+  ''
+  # FIXME(@sternenseemann): use installCC instead if possible
+  + lib.optionalString (useLLVM && stdenv.targetPlatform.isDarwin) ''
+    ghc-settings-edit "$settingsFile" \
+      "LLVM clang command" "${llvmPackages.clang}/bin/${llvmPackages.clang.targetPrefix}clang"
+  ''
   + ''
 
     # Install the bash completion file.
diff --git a/pkgs/development/compilers/ghc/common-hadrian.nix b/pkgs/development/compilers/ghc/common-hadrian.nix
index 7ccd781544848..f9b24f291aaa0 100644
--- a/pkgs/development/compilers/ghc/common-hadrian.nix
+++ b/pkgs/development/compilers/ghc/common-hadrian.nix
@@ -622,6 +622,16 @@ stdenv.mkDerivation ({
       "otool command" "${toolPath "otool" installCC}" \
       "install_name_tool command" "${toolPath "install_name_tool" installCC}"
   ''
+  + lib.optionalString useLLVM ''
+    ghc-settings-edit "$settingsFile" \
+      "LLVM llc command" "${lib.getBin llvmPackages.llvm}/bin/llc" \
+      "LLVM opt command" "${lib.getBin llvmPackages.llvm}/bin/opt"
+  ''
+  # FIXME(@sternenseemann): use installCC instead if possible
+  + lib.optionalString (useLLVM && stdenv.targetPlatform.isDarwin) ''
+    ghc-settings-edit "$settingsFile" \
+      "LLVM clang command" "${llvmPackages.clang}/bin/${llvmPackages.clang.targetPrefix}clang"
+  ''
   # Work around a GHC bug which causes unlit to be installed under a different
   # name than is used in the settings file.
   # https://gitlab.haskell.org/ghc/ghc/-/issues/23317
diff --git a/pkgs/development/compilers/ghc/common-make-native-bignum.nix b/pkgs/development/compilers/ghc/common-make-native-bignum.nix
index d121baf21c24c..03d7697e2de39 100644
--- a/pkgs/development/compilers/ghc/common-make-native-bignum.nix
+++ b/pkgs/development/compilers/ghc/common-make-native-bignum.nix
@@ -489,6 +489,16 @@ stdenv.mkDerivation (rec {
       "otool command" "${toolPath "otool" installCC}" \
       "install_name_tool command" "${toolPath "install_name_tool" installCC}"
   ''
+  + lib.optionalString useLLVM ''
+    ghc-settings-edit "$settingsFile" \
+      "LLVM llc command" "${lib.getBin llvmPackages.llvm}/bin/llc" \
+      "LLVM opt command" "${lib.getBin llvmPackages.llvm}/bin/opt"
+  ''
+  # FIXME(@sternenseemann): use installCC instead if possible
+  + lib.optionalString (useLLVM && stdenv.targetPlatform.isDarwin) ''
+    ghc-settings-edit "$settingsFile" \
+      "LLVM clang command" "${llvmPackages.clang}/bin/${llvmPackages.clang.targetPrefix}clang"
+  ''
   + ''
 
     # Install the bash completion file.