From ab5549d0d280f8252b321a9252e74e7515abb472 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stanis=C5=82aw=20Pitucha?= <git@viraptor.info>
Date: Tue, 24 Mar 2026 09:50:15 +1100
Subject: [PATCH] construo: fix darwin build

---
 pkgs/by-name/co/construo/package.nix | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/co/construo/package.nix b/pkgs/by-name/co/construo/package.nix
index 370a8ab441b0..fdfe5ec1e49c 100644
--- a/pkgs/by-name/co/construo/package.nix
+++ b/pkgs/by-name/co/construo/package.nix
@@ -11,6 +11,7 @@
   libGLU,
   withLibglut ? !stdenv.hostPlatform.isDarwin,
   libglut,
+  apple-sdk,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -29,13 +30,22 @@ stdenv.mkDerivation (finalAttrs: {
   ]
   ++ lib.optional withLibGL libGL
   ++ lib.optional withLibGLU libGLU
-  ++ lib.optional withLibglut libglut;
+  ++ lib.optional withLibglut libglut
+  ++ lib.optionals stdenv.hostPlatform.isDarwin [ apple-sdk ];
+
+  postPatch = lib.optionalString stdenv.hostPlatform.isDarwin ''
+    substituteInPlace configure --replace-fail \
+      '-I/System/Library/Frameworks/GLUT.framework/Headers/' \
+      '-I${apple-sdk}/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/GLUT.framework/Headers/'
+  '';
 
   preConfigure = ''
     substituteInPlace src/Makefile.in \
       --replace games bin
   '';
 
+  env.CXXFLAGS = "-std=c++98";
+
   meta = {
     description = "Masses and springs simulation game";
     mainProgram = "construo.x11";