From b71cff07a73fc7949c22d045bb74c7ef1e9bbb2d Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Sat, 28 May 2022 22:13:48 +0100
Subject: [PATCH 1/2] gforth: explicitly set lispdir

otherwise in situations where we don't have a working sandbox
(darwin), if /usr/share/emacs happens to exist, the install
phase will try to put its lisp files there and fail due to
permissions.
---
 pkgs/development/compilers/gforth/default.nix | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/compilers/gforth/default.nix b/pkgs/development/compilers/gforth/default.nix
index a57dea7b1b62..a926c4e8cf9f 100644
--- a/pkgs/development/compilers/gforth/default.nix
+++ b/pkgs/development/compilers/gforth/default.nix
@@ -5,6 +5,7 @@
 let
   swig = callPackage ./swig.nix { };
   bootForth = callPackage ./boot-forth.nix { };
+  lispDir = "${placeholder "out"}/share/emacs/site-lisp";
 in stdenv.mkDerivation rec {
 
   pname = "gforth";
@@ -26,11 +27,14 @@ in stdenv.mkDerivation rec {
 
   passthru = { inherit bootForth; };
 
-  configureFlags = lib.optional stdenv.isDarwin [ "--build=x86_64-apple-darwin" ];
+  configureFlags = [
+    "--with-lispdir=${lispDir}"
+  ] ++ lib.optionals (stdenv.isDarwin && stdenv.isx86_64) [
+    "--build=x86_64-apple-darwin"
+  ];
 
-  postInstall = ''
-    mkdir -p $out/share/emacs/site-lisp
-    cp gforth.el $out/share/emacs/site-lisp/
+  preConfigure = ''
+    mkdir -p ${lispDir}
   '';
 
   meta = {

From 27d4500b618468790febcdf7991f69bad94687e9 Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Mon, 30 May 2022 22:20:46 +0100
Subject: [PATCH 2/2] gforth: unmark broken on darwin

---
 pkgs/development/compilers/gforth/default.nix | 1 -
 1 file changed, 1 deletion(-)

diff --git a/pkgs/development/compilers/gforth/default.nix b/pkgs/development/compilers/gforth/default.nix
index a926c4e8cf9f..c84fa5975abf 100644
--- a/pkgs/development/compilers/gforth/default.nix
+++ b/pkgs/development/compilers/gforth/default.nix
@@ -38,7 +38,6 @@ in stdenv.mkDerivation rec {
   '';
 
   meta = {
-    broken = stdenv.isDarwin;
     description = "The Forth implementation of the GNU project";
     homepage = "https://github.com/forthy42/gforth";
     license = lib.licenses.gpl3;