From 3c85be5738e0e3d4c0c6d36fdcc6d0396f72a1fb Mon Sep 17 00:00:00 2001
From: Ben Wolsieffer <benwolsieffer@gmail.com>
Date: Tue, 22 Aug 2023 14:39:47 -0400
Subject: [PATCH] libavif: disable gdk-pixbuf thumbnailer when cross-compiling

gdk-pixbuf doesn't support thumbnailers when cross-compiling, causing
libavif to fail to cross-compile because it tries to wrap
${gdk-pixbuf}/bin/gdk-pixbuf-thumbnailer, which doesn't exist.
---
 pkgs/development/libraries/libavif/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/libraries/libavif/default.nix b/pkgs/development/libraries/libavif/default.nix
index eb8a8b1e3b5..3042dad31e1 100644
--- a/pkgs/development/libraries/libavif/default.nix
+++ b/pkgs/development/libraries/libavif/default.nix
@@ -68,6 +68,9 @@ stdenv.mkDerivation rec {
     GDK_PIXBUF_MODULE_FILE=${gdkPixbufModuleFile} \
     gdk-pixbuf-query-loaders --update-cache
 
+  ''
+  # Cross-compiled gdk-pixbuf doesn't support thumbnailers
+  + lib.optionalString (stdenv.hostPlatform == stdenv.buildPlatform) ''
     mkdir -p "$out/bin"
     makeWrapper ${gdk-pixbuf}/bin/gdk-pixbuf-thumbnailer "$out/libexec/gdk-pixbuf-thumbnailer-avif" \
       --set GDK_PIXBUF_MODULE_FILE ${gdkPixbufModuleFile}