build-sys: set glib dependency version

Further meson configuration tests are to be added based on the glib
version. Also correct the version reporting in the config log.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

configure

@@ -3694,6 +3694,7 @@ echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
 echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
 echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
 echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
+echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak
 echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
 echo "EXESUF=$EXESUF" >> $config_host_mak

meson.build

@@ -404,14 +404,16 @@ endif
 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
                       native: false, language: ['c', 'cpp', 'objc'])
 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
-                          link_args: config_host['GLIB_LIBS'].split())
+                          link_args: config_host['GLIB_LIBS'].split(),
+                          version: config_host['GLIB_VERSION'])
 # override glib dep with the configure results (for subprojects)
 meson.override_dependency('glib-2.0', glib)
 
 gio = not_found
 if 'CONFIG_GIO' in config_host
   gio = declare_dependency(compile_args: config_host['GIO_CFLAGS'].split(),
-                           link_args: config_host['GIO_LIBS'].split())
+                           link_args: config_host['GIO_LIBS'].split(),
+                           version: config_host['GLIB_VERSION'])
 endif
 lttng = not_found
 if 'ust' in get_option('trace_backends')