From 3dbbca0371adce474db6c3cce87d06e1853df310 Mon Sep 17 00:00:00 2001
From: KPCCoiL <4506345+KPCCoiL@users.noreply.github.com>
Date: Sat, 16 May 2026 15:29:48 +0900
Subject: [PATCH] _4th: fix editor for 64bit systems

Use headers in `sources/include{32, 64}` to fix the builtin editor, as suggested by `README`.
The problem is described in the FAQ section of the [manual](https://thebeez.home.xs4all.nl/4tH/4tHmanual.pdf).
Although the manual suggests regenerating the headers (section 27.8), the required headers seem to be already in the distirbution.
---
 pkgs/by-name/_4/_4th/package.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/by-name/_4/_4th/package.nix b/pkgs/by-name/_4/_4th/package.nix
index b0a291f9f761..325b497f082d 100644
--- a/pkgs/by-name/_4/_4th/package.nix
+++ b/pkgs/by-name/_4/_4th/package.nix
@@ -20,6 +20,11 @@ stdenv.mkDerivation (finalAttrs: {
 
   dontConfigure = true;
 
+  preBuild = ''
+    cp sources/include${if stdenv.hostPlatform.is64bit then "64" else "32"}/* sources/
+    make -C sources clean
+  '';
+
   makeFlags = [
     "-C sources"
     "CC:=$(CC)"