From c4318f506329bad9027a3a7a8ac7c1a644de2fc1 Mon Sep 17 00:00:00 2001
From: Tristan Ross <tristan.ross@determinate.systems>
Date: Wed, 25 Feb 2026 18:14:30 -0800
Subject: [PATCH] freetype: fix non-windows llvm bintools builds

---
 pkgs/by-name/fr/freetype/package.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/by-name/fr/freetype/package.nix b/pkgs/by-name/fr/freetype/package.nix
index 3d9ebe3a02af..d9c4e6d121a9 100644
--- a/pkgs/by-name/fr/freetype/package.nix
+++ b/pkgs/by-name/fr/freetype/package.nix
@@ -90,6 +90,10 @@ stdenv.mkDerivation (finalAttrs: {
     CFLAGS =
       lib.optionalString stdenv.hostPlatform.isAarch32 "-std=gnu99"
       + lib.optionalString stdenv.hostPlatform.is32bit " -D_FILE_OFFSET_BITS=64";
+  }
+  // lib.optionalAttrs (!stdenv.hostPlatform.isWindows && stdenv.cc.bintools.isLLVM) {
+    # Needs to be unset when using LLVM or else it tries to include Windows headers on Linux
+    RC = "";
   };
 
   enableParallelBuilding = true;