From 3cef4905f08361e896c6567f9ce682240277d34b Mon Sep 17 00:00:00 2001
From: Tristan Ross <tristan.ross@midstall.com>
Date: Wed, 15 Jan 2025 22:38:30 -0800
Subject: [PATCH] cjson: fix building with clang

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

diff --git a/pkgs/by-name/cj/cjson/package.nix b/pkgs/by-name/cj/cjson/package.nix
index d344e5ad45ec..7f1eac88571a 100644
--- a/pkgs/by-name/cj/cjson/package.nix
+++ b/pkgs/by-name/cj/cjson/package.nix
@@ -18,6 +18,10 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
+  cmakeFlags = lib.optional (stdenv.cc.isClang && !stdenv.hostPlatform.isDarwin) (
+    lib.cmakeBool "ENABLE_CUSTOM_COMPILER_FLAGS" false
+  );
+
   # cJSON actually uses C99 standard, not C89
   # https://github.com/DaveGamble/cJSON/issues/275
   postPatch = ''