[grilo-plugins] build: require same version for glib components

[Victor Toso <victortoso src gnome org>]

commit 92e0f2a0fb9565e58f388d2606d6a26fead29e8a
Author: Victor Toso <me victortoso com>
Date:   Wed Jul 25 23:37:14 2018 +0200

    build: require same version for glib components
    
    As Glib2 requirement was 2.44 since e0aecb45fc7eaa5 we can use the
    same version for all glib components that are required in
    Grilo-Plugins
    
    - gmodule-2.0
    - gobject-2.0
    - glib-2.0

 configure.ac | 10 ++++++----
 meson.build  |  9 ++++++---
 2 files changed, 12 insertions(+), 7 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 774e260..e03c992 100644
--- a/configure.ac
+++ b/configure.ac
@@ -90,10 +90,12 @@ fi
 # HARD DEPENDENCIES
 # ----------------------------------------------------------
 
-PKG_CHECK_MODULES([DEPS], glib-2.0 >= 2.44      \
-                         gobject-2.0   \
-                         gmodule-2.0   \
-                         ${GRL_NAME} >= 0.3.1)
+GLIB2_REQUIRED=2.44
+
+PKG_CHECK_MODULES([DEPS], glib-2.0 >= $GLIB2_REQUIRED \
+                          gobject-2.0 >= $GLIB2_REQUIRED \
+                          gmodule-2.0 >= $GLIB2_REQUIRED \
+                          ${GRL_NAME} >= 0.3.1)
 
 GLIB_COMPILE_RESOURCES=`$PKG_CONFIG --variable glib_compile_resources gio-2.0`
 AC_SUBST(GLIB_COMPILE_RESOURCES)
diff --git a/meson.build b/meson.build
index 7788709..b1ddace 100644
--- a/meson.build
+++ b/meson.build
@@ -26,9 +26,12 @@ libdir = get_option('libdir')
 datadir = get_option('datadir')
 pluginsdir =join_paths(libdir, 'grilo-@0@.@1@'.format(grl_major, grl_minor))
 
-glib_dep = dependency('glib-2.0', version: '>= 2.34', required: true)
-gmodule_dep = dependency('gmodule-2.0', required: true)
-gobject_dep = dependency('gobject-2.0', required: true)
+glib2_required = '2.44'
+glib2_required_info = '>= @0@'.format(glib2_required)
+
+glib_dep = dependency('glib-2.0', version: glib2_required_info, required: true)
+gmodule_dep = dependency('gmodule-2.0', version: glib2_required_info, required: true)
+gobject_dep = dependency('gobject-2.0', version: glib2_required_info, required: true)
 grilo_dep = dependency('grilo-0.3', version: '>= 0.3.1', required: true)
 
 avahi_client_dep = dependency('avahi-client', required: false)