From d5fa9726414a185463203d2c7af211cca6a89e40 Mon Sep 17 00:00:00 2001
From: Artturin <Artturin@artturin.com>
Date: Thu, 8 Jun 2023 22:25:48 +0300
Subject: [PATCH] gnu-efi: fix musl build
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gnu-efi> /build/gnu-efi-3.0.17//lib/console.c:84:68: error: passing argument 2 of ‘ConOut->OutputString’ from incompatible pointer type [8;;h
ttps://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wincompatible-pointer-types-Werror=incompatible-pointer-types8;;]
gnu-efi>    84 |                 uefi_call_wrapper(ConOut->OutputString, 2, ConOut, L"\b \b");
gnu-efi>       |                                                                    ^~~~~~~~
gnu-efi>       |                                                                    |
gnu-efi>       |                                                                    short unsigned int *
---
 pkgs/development/libraries/gnu-efi/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/libraries/gnu-efi/default.nix b/pkgs/development/libraries/gnu-efi/default.nix
index 1bdd6890ab2..e9746271ea2 100644
--- a/pkgs/development/libraries/gnu-efi/default.nix
+++ b/pkgs/development/libraries/gnu-efi/default.nix
@@ -20,6 +20,11 @@ stdenv.mkDerivation rec {
     "CROSS_COMPILE=${stdenv.cc.targetPrefix}"
   ];
 
+  postPatch = ''
+    substituteInPlace Make.defaults \
+      --replace "-Werror" ""
+  '';
+
   passthru.updateScript = gitUpdater {
     # No nicer place to find latest release.
     url = "https://git.code.sf.net/p/gnu-efi/code";