From 6ee29afee9ced11afcf62af4bd1b2ef872bfd1ef Mon Sep 17 00:00:00 2001
From: Randy Eckenrode <randy@largeandhighquality.com>
Date: Tue, 18 Mar 2025 19:10:13 -0400
Subject: [PATCH] smpeg: fix build on Darwin with SDL_compat

---
 pkgs/by-name/sm/smpeg/package.nix | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/pkgs/by-name/sm/smpeg/package.nix b/pkgs/by-name/sm/smpeg/package.nix
index 51adb5e90c791..32dc1cc52de32 100644
--- a/pkgs/by-name/sm/smpeg/package.nix
+++ b/pkgs/by-name/sm/smpeg/package.nix
@@ -26,10 +26,9 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-nq/i7cFGpJXIuTwN/ScLMX7FN8NMdgdsRM9xOD3uycs=";
   };
 
-  patches = [
+  patches = lib.optionals (!stdenv.hostPlatform.isDarwin) [ ./libx11.patch ] ++ [
     ./format.patch
     ./gcc6.patch
-    ./libx11.patch
     ./gtk.patch
     # These patches remove use of the `register` storage class specifier,
     # allowing smpeg to build with clang 16, which defaults to C++17.
@@ -93,7 +92,7 @@ stdenv.mkDerivation rec {
       --prefix PKG_CONFIG_PATH ":" "${lib.getDev SDL}/lib/pkgconfig"
   '';
 
-  NIX_LDFLAGS = "-lX11";
+  NIX_LDFLAGS = lib.optionalString (!stdenv.hostPlatform.isDarwin) "-lX11";
 
   meta = {
     homepage = "https://icculus.org/smpeg/";