add ifdefs for LV2-1.0.0 compat

diff --git a/libs/ardour/lv2_plugin.cc b/libs/ardour/lv2_plugin.cc
index 7e4328ae41cfb45c5dd350cd42c065b0dd47fbaf..bed66b62afbf5b65c985db64e169acd9076d98f6 100644 (file)
--- a/libs/ardour/lv2_plugin.cc
+++ b/libs/ardour/lv2_plugin.cc
@@ -239,7 +239,9 @@ log_printf(LV2_Log_Handle handle,
 struct LV2Plugin::Impl {
        Impl() : plugin(0), ui(0), ui_type(0), name(0), author(0), instance(0)
               , work_iface(0)
+#ifdef HAVE_LV2_1_2_0
               , opts_iface(0)
+#endif
               , state(0)
               , block_length(0)
               , options(0)
@@ -257,7 +259,9 @@ struct LV2Plugin::Impl {
        LilvNode*                    author;
        LilvInstance*                instance;
        const LV2_Worker_Interface*  work_iface;
+#ifdef HAVE_LV2_1_2_0
        const LV2_Options_Interface* opts_iface;
+#endif
        LilvState*                   state;
        LV2_Atom_Forge               forge;
        LV2_Atom_Forge               ui_forge;
@@ -441,12 +445,14 @@ LV2Plugin::init(const void* c_plugin, framecnt_t rate)
        lilv_node_free(worker_iface_uri);
 
 
+#ifdef HAVE_LV2_1_2_0
        LilvNode* options_iface_uri = lilv_new_uri(_world.world, LV2_OPTIONS__interface);
        if (lilv_plugin_has_extension_data(plugin, options_iface_uri)) {
                _impl->opts_iface = (const LV2_Options_Interface*)extension_data(
                        LV2_OPTIONS__interface);
        }
        lilv_node_free(options_iface_uri);
+#endif
 
        if (lilv_plugin_has_feature(plugin, _world.lv2_inPlaceBroken)) {
                error << string_compose(