From aa99e1e10c38fc929243893b0b6b4c3e359c7283 Mon Sep 17 00:00:00 2001
From: Linnnus <linnnus@users.noreply.github.com>
Date: Thu, 21 Nov 2024 10:49:48 +0100
Subject: pkgs/cscript: Use CC and LLDB from nixpkgs

---
 pkgs/cscript/default.nix | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'pkgs/cscript')

diff --git a/pkgs/cscript/default.nix b/pkgs/cscript/default.nix
index 602bbe7..fa529bc 100644
--- a/pkgs/cscript/default.nix
+++ b/pkgs/cscript/default.nix
@@ -2,6 +2,7 @@
   stdenv,
   lib,
   fetchFromGitHub,
+  llvmPackages,
 }: let
   self = stdenv.mkDerivation rec {
     pname = "cscript";
@@ -14,6 +15,17 @@
       hash = "sha256-d722f3K3QXnPqDVNVGBK+mj6Bl1VNShmJ4WICj0p64s=";
     };
 
+    # Instead of using the system CC and LLDB (impure), use the most recent LLVM release.
+    postPatch = let
+      toStringLiteral = lib.flip lib.pipe [builtins.toJSON lib.strings.escapeShellArg];
+      ccPathLiteral = toStringLiteral "${llvmPackages.clang}/bin/clang";
+      lldbPathLiteral = toStringLiteral "${llvmPackages.lldb}/bin/lldb";
+    in ''
+      substituteInPlace cscript.c \
+        --replace-fail '"cc"' ${ccPathLiteral} \
+        --replace-fail '"lldb"' ${lldbPathLiteral} \
+    '';
+
     preInstall = "mkdir -p $out/bin";
     makeFlags = ["INSTALL=$(out)/bin"];
 
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