gplugin/gplugin

Make sure gtk4 was found before trying to build vala bindings against it

7 weeks ago, Gary Kramlich
7027845d098d
Make sure gtk4 was found before trying to build vala bindings against it

This error only showed up when gtk4 was enabled but not found.

Testing Done:
Built on haiku that doesn't have gtk without setting `-Dgtk4=false`.
Built on debian testing normally.

Reviewed at https://reviews.imfreedom.org/r/3069/
/*
* Copyright (C) 2022 Elliott Sales de Andrade <quantum.analyst@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <https://www.gnu.org/licenses/>.
*/
#if !defined(GPLUGIN_GTK_GLOBAL_HEADER_INSIDE) && \
!defined(GPLUGIN_GTK_COMPILATION)
#error "only <gplugin-gtk.h> may be included directly"
#endif
#ifndef GPLUGIN_GTK_PLUGIN_CLOSURES_H
#define GPLUGIN_GTK_PLUGIN_CLOSURES_H
#include <glib.h>
#include <gtk/gtk.h>
#include <gplugin.h>
#include "gplugin-gtk-version.h"
G_BEGIN_DECLS
G_GNUC_INTERNAL
gchar *gplugin_gtk_lookup_plugin_name(
GtkClosureExpression *expression,
GPluginPluginInfo *info,
const gchar *filename,
gpointer data);
G_GNUC_INTERNAL
gboolean gplugin_gtk_lookup_plugin_state_sensitivity(
GtkClosureExpression *expression,
GPluginPluginState state,
gpointer data);
G_GNUC_INTERNAL
gboolean gplugin_gtk_lookup_plugin_state(
GtkClosureExpression *expression,
GPluginPluginState state,
gpointer data);
G_END_DECLS
#endif /* GPLUGIN_GTK_PLUGIN_CLOSURES_H */