[jsonrpc-glib] build: Fix macOS versioning

[Christian Hergert <chergert src gnome org>]

commit 9dc99b38d1eb1eb0b20aad8da8aa8843f0598086
Author: Tom Schoonjans <Tom Schoonjans diamond ac uk>
Date:   Wed Mar 13 12:14:03 2019 +0000

    build: Fix macOS versioning

 meson.build     |  2 ++
 src/meson.build | 11 ++++++-----
 2 files changed, 8 insertions(+), 5 deletions(-)
---
diff --git a/meson.build b/meson.build
index 6bc62c1..f3f0eee 100644
--- a/meson.build
+++ b/meson.build
@@ -26,6 +26,8 @@ current = jsonrpc_glib_version_minor * 100 + jsonrpc_glib_version_micro - jsonrp
 revision = jsonrpc_glib_interface_age
 libversion = '@0@.@1@.@2@'.format(soversion, current, revision)
 
+darwin_versions = [current + 1, '@0@.@1@'.format(current + 1, revision)]
+
 config_h = configuration_data()
 config_h.set_quoted('GETTEXT_PACKAGE', 'libjsonrpc_glib')
 config_h.set_quoted('LOCALEDIR', join_paths(get_option('prefix'), get_option('localedir')))
diff --git a/src/meson.build b/src/meson.build
index 3366e96..83fe506 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -52,11 +52,12 @@ libjsonrpc_glib = library(
   'jsonrpc-glib-' + apiversion,
   libjsonrpc_glib_sources,
 
-        c_args: hidden_visibility_args + release_args,
-  dependencies: libjsonrpc_glib_deps,
-     soversion: soversion,
-       version: libversion,
-       install: true,
+         c_args: hidden_visibility_args + release_args,
+   dependencies: libjsonrpc_glib_deps,
+      soversion: soversion,
+        version: libversion,
+darwin_versions: darwin_versions,
+        install: true,
 )
 
 libjsonrpc_glib_dep = declare_dependency(