[gnome-dictionary] build: Use a dependency object for IPv6 libraries

[Emmanuele Bassi <ebassi src gnome org>]

commit 93ce47621d15673ee351dc79eca847c7c08c120a
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sat Sep 30 16:34:05 2017 +0100

    build: Use a dependency object for IPv6 libraries
    
    Instead of manipulating the project linker flags, like we used to do
    with Autotools.

 libgdict/meson.build |    4 ++--
 meson.build          |    4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/libgdict/meson.build b/libgdict/meson.build
index 8e56292..5df874c 100644
--- a/libgdict/meson.build
+++ b/libgdict/meson.build
@@ -80,7 +80,7 @@ libgdict_inc = include_directories('.')
 
 libgdict_lib = static_library('libgdict-1.0',
                               sources: sources_h_priv + sources_c + libgdict_enums + libgdict_marshal,
-                              dependencies: [ gio_dep, gtk_dep ],
+                              dependencies: [ gio_dep, gtk_dep, ipv6_deps ],
                               include_directories: [ root_dir, libgdict_inc ],
                               c_args: common_cflags + debug_cflags + libgdict_cflags,
                               link_args: libgdict_ldflags,
@@ -89,4 +89,4 @@ libgdict_lib = static_library('libgdict-1.0',
 libgdict_dep = declare_dependency(sources: libgdict_enums + libgdict_marshal,
                                   link_with: libgdict_lib,
                                  include_directories: [ libgdict_inc ],
-                                 dependencies: [ gio_dep, gtk_dep ])
+                                 dependencies: [ gio_dep, gtk_dep, ipv6_deps ])
diff --git a/meson.build b/meson.build
index 4084bbe..dde26a5 100644
--- a/meson.build
+++ b/meson.build
@@ -85,6 +85,8 @@ elif buildtype == 'release'
   debug_cflags += [ '-DG_DISABLE_ASSERT', '-DG_DISABLE_CHECKS', '-DG_DISABLE_CAST_CHECKS', ]
 endif
 
+ipv6_deps = []
+
 use_ipv6 = get_option('use_ipv6')
 if use_ipv6
   ipv6_prog = '''
@@ -108,7 +110,7 @@ int main (void) {
       if not found_getaddrinfo and dep.found()
         has_getaddrinfo = cc.has_function('getaddrinfo', dependencies: dep)
         if has_getaddrinfo
-          add_project_link_arguments('-l@0@'.format(l), language: 'c')
+          ipv6_deps += dep
         endif
       endif
     endforeach