https://bugs.gentoo.org/970962
https://sourceforge.net/p/vice-emu/code/45964/
--- a/src/arch/gtk3/widgets/settings_userport.c
+++ b/src/arch/gtk3/widgets/settings_userport.c
@@ -442,81 +441,0 @@
-#if defined(USE_MPG123) && defined (HAVE_GLOB_H)
-/* FunMP3 path selection widget */
-#include "mainlock.h"
-
-/** \brief  Callback for the directory-select dialog
- *
- * \param[in]   dialog      directory-select dialog
- * \param[in]   filename    filename (NULL if canceled)
- * \param[in]   entry       entry box for the filename
- */
-static void funmp3dir_browse_callback(GtkDialog *dialog, gchar *filename, gpointer entry)
-{
-    if (filename != NULL) {
-        vice_gtk3_resource_entry_set(GTK_WIDGET(entry), filename);
-        g_free(filename);
-    }
-    gtk_widget_destroy(GTK_WIDGET(dialog));
-}
-
-/** \brief  Handler for the 'clicked' event of the FunMP3 directory browse button
- *
- * \param[in]   button  FunMP3 directory browse button (unused)
- * \param[in]   entry   FunMP3 directory text entry
- */
-static void on_funmp3dir_browse_clicked(GtkWidget *button, gpointer entry)
-{
-    GtkWidget *dialog;
-
-    mainlock_assert_is_not_vice_thread();
-
-    dialog = vice_gtk3_select_directory_dialog("Select FunMP3 directory",
-                                               NULL,
-                                               TRUE,
-                                               NULL,
-                                               funmp3dir_browse_callback,
-                                               entry);
-    gtk_widget_show_all(dialog);
-}
-
-/** \brief  Create FunMP3 path selection entry widget
- *
- */
-static GtkWidget *create_funmp3dir_entry_widget(void)
-{
-    GtkWidget *entry;
-    entry = vice_gtk3_resource_entry_new("FunMP3Dir");
-    gtk_widget_set_tooltip_text(entry,
-                                "Select the host directory for MP3 files");
-    gtk_widget_set_hexpand(entry, TRUE);
-    return entry;
-}
-
-/** \brief  Create FunMP3 path selection widget
- *
- */
-static GtkWidget *create_funmp3dir_widget(void)
-{
-    GtkWidget *grid;
-    GtkWidget *entry;
-    GtkWidget *label;
-    GtkWidget *browse;
-
-    grid = vice_gtk3_grid_new_spaced(8, 0);
-
-    label  = gtk_label_new("FunMP3 directory");
-    gtk_widget_set_halign(label, GTK_ALIGN_START);
-    entry  = create_funmp3dir_entry_widget();
-    browse = gtk_button_new_with_label("Browse ...");
-    g_signal_connect_unlocked(browse,
-                              "clicked",
-                              G_CALLBACK(on_funmp3dir_browse_clicked),
-                              (gpointer)entry);
-    gtk_grid_attach(GTK_GRID(grid), label,  0, 1, 1, 1);
-    gtk_grid_attach(GTK_GRID(grid), entry,  1, 1, 1, 1);
-    gtk_grid_attach(GTK_GRID(grid), browse, 2, 1, 1, 1);
-
-    gtk_widget_show_all(grid);
-    return grid;
-}
-
-#endif  /* MPG123 && HAVE_GLOB_H */
@@ -684,0 +604,82 @@
+
+#if defined(USE_MPG123) && defined (HAVE_GLOB_H)
+/* FunMP3 path selection widget */
+#include "mainlock.h"
+
+/** \brief  Callback for the directory-select dialog
+ *
+ * \param[in]   dialog      directory-select dialog
+ * \param[in]   filename    filename (NULL if canceled)
+ * \param[in]   entry       entry box for the filename
+ */
+static void funmp3dir_browse_callback(GtkDialog *dialog, gchar *filename, gpointer entry)
+{
+    if (filename != NULL) {
+        vice_gtk3_resource_entry_set(GTK_WIDGET(entry), filename);
+        g_free(filename);
+    }
+    gtk_widget_destroy(GTK_WIDGET(dialog));
+}
+
+/** \brief  Handler for the 'clicked' event of the FunMP3 directory browse button
+ *
+ * \param[in]   button  FunMP3 directory browse button (unused)
+ * \param[in]   entry   FunMP3 directory text entry
+ */
+static void on_funmp3dir_browse_clicked(GtkWidget *button, gpointer entry)
+{
+    GtkWidget *dialog;
+
+    mainlock_assert_is_not_vice_thread();
+
+    dialog = vice_gtk3_select_directory_dialog("Select FunMP3 directory",
+                                               NULL,
+                                               TRUE,
+                                               NULL,
+                                               funmp3dir_browse_callback,
+                                               entry);
+    gtk_widget_show_all(dialog);
+}
+
+/** \brief  Create FunMP3 path selection entry widget
+ *
+ */
+static GtkWidget *create_funmp3dir_entry_widget(void)
+{
+    GtkWidget *entry;
+    entry = vice_gtk3_resource_entry_new("FunMP3Dir");
+    gtk_widget_set_tooltip_text(entry,
+                                "Select the host directory for MP3 files");
+    gtk_widget_set_hexpand(entry, TRUE);
+    return entry;
+}
+
+/** \brief  Create FunMP3 path selection widget
+ *
+ */
+static GtkWidget *create_funmp3dir_widget(void)
+{
+    GtkWidget *grid;
+    GtkWidget *entry;
+    GtkWidget *label;
+    GtkWidget *browse;
+
+    grid = vice_gtk3_grid_new_spaced(8, 0);
+
+    label  = gtk_label_new("FunMP3 directory");
+    gtk_widget_set_halign(label, GTK_ALIGN_START);
+    entry  = create_funmp3dir_entry_widget();
+    browse = gtk_button_new_with_label("Browse ...");
+    g_signal_connect_unlocked(browse,
+                              "clicked",
+                              G_CALLBACK(on_funmp3dir_browse_clicked),
+                              (gpointer)entry);
+    gtk_grid_attach(GTK_GRID(grid), label,  0, 1, 1, 1);
+    gtk_grid_attach(GTK_GRID(grid), entry,  1, 1, 1, 1);
+    gtk_grid_attach(GTK_GRID(grid), browse, 2, 1, 1, 1);
+
+    gtk_widget_show_all(grid);
+    return grid;
+}
+
+#endif  /* MPG123 && HAVE_GLOB_H */