add missing stuff to remove mongodb

lib/dbi/meson_dummy.h

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2019-2022 by Sukchan Lee <acetcom@gmail.com>
+ *
+ * This file is part of Open5GS.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef MESON_DUMMY_H
+#define MESON_DUMMY_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct dummy_bson;
+typedef struct dummy_bson bson_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MESON_DUMMY_H */

lib/dbi/path.c

@@ -19,6 +19,8 @@
 
 #include "ogs-dbi.h"
 
+#ifdef OGS_DBI_WITH_MONGODB
+
 int ogs_dbi_process_change_stream(const bson_t *document)
 {
     int rv;
@@ -39,3 +41,5 @@ int ogs_dbi_process_change_stream(const bson_t *document)
 
     return OGS_OK;
 }
+
+#endif

lib/dbi/path.h

@@ -20,6 +20,8 @@
 #ifndef OGS_DBI_PATH_H
 #define OGS_DBI_PATH_H
 
+#include "meson_dummy.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif

src/meson.build

@@ -34,7 +34,9 @@ version_conf.set_quoted('OPEN5GS_VERSION', package_version)
 configure_file(output : 'version.h', configuration : version_conf)
 
 subdir('mme')
-subdir('hss')
+if get_option('mongodb')
+	subdir('hss')
+endif
 subdir('sgwc')
 subdir('sgwu')
 subdir('pcrf')