doc: meson: Use shared library for gtk-doc

doc/meson.build

@@ -6,6 +6,22 @@ glib_prefix = dependency('glib-2.0').get_pkgconfig_variable('prefix')
 glib_docpath = join_paths(glib_prefix, 'share', 'gtk-doc', 'html')
 docpath = join_paths(get_option('datadir'), 'gtk-doc', 'html')
 
+if get_option('gtk_doc')
+  # only build the shared library for gtk-doc
+  calls_vala_doc_lib = library('calls-vala-doc',
+                               calls_vala_sources,
+                               dependencies: calls_vala_deps)
+  calls_doc_lib = library('calls-doc',
+                          [calls_sources, calls_enum_sources, wayland_sources, wl_proto_sources, gdbofono_src],
+                          include_directories: calls_includes,
+                          link_with: calls_vala_doc_lib,
+                          dependencies: calls_deps)
+  calls_doc_deps = declare_dependency(sources: [calls_sources, calls_enum_sources, wayland_sources, wl_proto_sources, calls_vala_sources],
+                                      include_directories: calls_includes,
+                                      link_with: [calls_doc_lib, calls_vala_doc_lib],
+                                      dependencies: [calls_deps, calls_vala_deps])
+endif
+
 gnome.gtkdoc('calls',
            main_xml: 'calls-docs.xml',
             src_dir: [
@@ -13,7 +29,7 @@ gnome.gtkdoc('calls',
                        join_paths(meson.build_root(), 'src'),
                        join_paths(meson.build_root(), 'plugins/ofono/libgdbofono'),
                      ],
-       dependencies: calls_deps,
+       dependencies: calls_doc_deps,
           scan_args: [
                        '--rebuild-types',
                      ],