From 7c1c5b4a62b6ce304186e2829099e4f9f9ee31d8 Mon Sep 17 00:00:00 2001
From: TomaSajt <62384384+TomaSajt@users.noreply.github.com>
Date: Sun, 16 Nov 2025 20:52:55 +0100
Subject: [PATCH] gopher64: fix build

---
 pkgs/by-name/go/gopher64/allow-unused-type.patch | 12 ++++++++++++
 pkgs/by-name/go/gopher64/package.nix             |  3 +++
 2 files changed, 15 insertions(+)
 create mode 100644 pkgs/by-name/go/gopher64/allow-unused-type.patch

diff --git a/pkgs/by-name/go/gopher64/allow-unused-type.patch b/pkgs/by-name/go/gopher64/allow-unused-type.patch
new file mode 100644
index 000000000000..655f6411e282
--- /dev/null
+++ b/pkgs/by-name/go/gopher64/allow-unused-type.patch
@@ -0,0 +1,12 @@
+diff --git a/src/device/cart.rs b/src/device/cart.rs
+index 97bf09f..4406fec 100644
+--- a/src/device/cart.rs
++++ b/src/device/cart.rs
+@@ -21,6 +21,7 @@ const JDT_EEPROM_16K: u16 = 0xc000; /* 16k EEPROM */
+ const EEPROM_BLOCK_SIZE: usize = 8;
+ pub const EEPROM_MAX_SIZE: usize = 0x800;
+ 
++#[allow(warnings)]
+ #[derive(serde::Serialize, serde::Deserialize)]
+ pub enum CicType {
+     CicNus6101,
diff --git a/pkgs/by-name/go/gopher64/package.nix b/pkgs/by-name/go/gopher64/package.nix
index 807002a700f9..ae604f8b3169 100644
--- a/pkgs/by-name/go/gopher64/package.nix
+++ b/pkgs/by-name/go/gopher64/package.nix
@@ -42,6 +42,9 @@ rustPlatform.buildRustPackage (finalAttrs: {
 
     # make the build script use the @GIT_REV@ string that will be substituted in the logic below
     ./set-git-rev.patch
+
+    # enum CicType is not used, but dead code is treated as an error
+    ./allow-unused-type.patch
   ];
 
   postPatch = ''