From a9a6b98f058241aabd23b3d65497eebb5f33310a Mon Sep 17 00:00:00 2001
From: Rhys-T <108157737+Rhys-T@users.noreply.github.com>
Date: Thu, 1 May 2025 23:38:33 -0400
Subject: [PATCH] sdcc: fix build on Darwin

sdcc 4.5.0 massively rewrote sim/ucsim/Makefile.in, and lost the `.PHONY`
rule in the process. As a result, on macOS (which uses a case-insensitive
filesystem), the INSTALL file keeps the `install` target in the ucsim
directory from running. Nothing else creates the `man` output, causing
the entire build to fail.
---
 pkgs/by-name/sd/sdcc/package.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkgs/by-name/sd/sdcc/package.nix b/pkgs/by-name/sd/sdcc/package.nix
index cc9e0512dcb4..82df34e70a2d 100644
--- a/pkgs/by-name/sd/sdcc/package.nix
+++ b/pkgs/by-name/sd/sdcc/package.nix
@@ -63,6 +63,16 @@ stdenv.mkDerivation (finalAttrs: {
       gputils
     ];
 
+  # sdcc 4.5.0 massively rewrote sim/ucsim/Makefile.in, and lost the `.PHONY`
+  # rule in the process. As a result, on macOS (which uses a case-insensitive
+  # filesystem), the INSTALL file keeps the `install` target in the ucsim
+  # directory from running. Nothing else creates the `man` output, causing the
+  # entire build to fail.
+
+  postPatch = ''
+    echo '.PHONY: install' >> sim/ucsim/Makefile.in
+  '';
+
   configureFlags =
     let
       excludedPorts =