From e43c53cfc11b8ea55791429e22280783f840fe4d Mon Sep 17 00:00:00 2001
From: Alyssa Ross <hi@alyssa.is>
Date: Tue, 4 Feb 2025 15:37:35 +0100
Subject: [PATCH] kbd: fix cross compilation to musl

Assume that malloc works properly if cross compiling.
---
 pkgs/by-name/kb/kbd/package.nix | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/pkgs/by-name/kb/kbd/package.nix b/pkgs/by-name/kb/kbd/package.nix
index 4bf9cb4325b9..c85e05fc552f 100644
--- a/pkgs/by-name/kb/kbd/package.nix
+++ b/pkgs/by-name/kb/kbd/package.nix
@@ -33,11 +33,16 @@ stdenv.mkDerivation rec {
     "dev"
   ];
 
-  configureFlags = [
-    "--enable-optional-progs"
-    "--enable-libkeymap"
-    "--disable-nls"
-  ];
+  configureFlags =
+    [
+      "--enable-optional-progs"
+      "--enable-libkeymap"
+      "--disable-nls"
+    ]
+    ++ lib.optionals (!lib.systems.equals stdenv.buildPlatform stdenv.hostPlatform) [
+      "ac_cv_func_malloc_0_nonnull=yes"
+      "ac_cv_func_realloc_0_nonnull=yes"
+    ];
 
   patches = [
     ./search-paths.patch