meson: make get_pkgconfig_variable version specific

dbus-services/meson.build

@@ -11,8 +11,14 @@ endif
 org_enlightenment_ethumb_service_config.set('systemd_dbus_prefix',
                                             systemd_dbus_prefix)
 
+if meson.version().version_compare('>=0.58')
+  session_bus_services_dir = dep.get_variable('session_bus_services_dir')  
+else 
+  session_bus_services_dir = dep.get_pkgconfig_variable('session_bus_services_dir')
+endif
+
 configure_file(
   input: 'org.enlightenment.Ethumb.service.in',
   output: 'org.enlightenment.Ethumb.service',
   configuration: org_enlightenment_ethumb_service_config,
-  install_dir: dep.get_pkgconfig_variable('session_bus_services_dir'))
+  install_dir: session_bus_services_dir)

meson.build

@@ -306,9 +306,18 @@ if sys_osx and get_option('lua-interpreter') == 'luajit'
   # luajit on macro is broken, this means we need to generate our own
   # dependency with our arguments, a library later still needs to link to
   # luajit for the pagesize argument thingy
+  if meson.version().version_compare('>=0.58')
+    lua_inc_dir  = lua.get_variable('includedir')
+    lua_lib_dir  = lua.get_variable('libdir')
+    lua_lib_name = lua.get_variable('libname')
+  else
+    lua_inc_dir  = lua.get_pkgconfig_variable('includedir')
+    lua_lib_dir  = lua.get_pkgconfig_variable('libdir')
+    lua_lib_name = lua.get_pkgconfig_variable('libname')
+  endif
   lua = declare_dependency(
-    include_directories: include_directories(lua.get_pkgconfig_variable('includedir')),
-    link_args: ['-L' + lua.get_pkgconfig_variable('libdir'), '-l' + lua.get_pkgconfig_variable('libname')]
+    include_directories: include_directories(lua_inc_dir),
+    link_args: ['-L' + lua_lib_dir, '-l' + lua_lib_name]
   )
 endif
 

src/wayland_protocol/meson.build

@@ -20,15 +20,21 @@ wl_stable_protocol_sys = [
   join_paths('xdg-shell', 'xdg-shell.xml'),
 ]
 
+if meson.version().version_compare('>=0.58')
+  wl_pkg_data_dir = _wayland_protocols.get_variable('pkgdatadir')  
+else 
+  wl_pkg_data_dir = _wayland_protocols.get_pkgconfig_variable('pkgdatadir')
+endif
+
 foreach sys_protocol : wl_unstable_protocol_sys
 	wl_protocol_local += [
-		join_paths(_wayland_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
+		join_paths(wl_pkg_data_dir, 'unstable',
 			sys_protocol)]
 endforeach
 
 foreach sys_protocol : wl_stable_protocol_sys
   wl_protocol_local += [
-    join_paths(_wayland_protocols.get_pkgconfig_variable('pkgdatadir'), 'stable',
+    join_paths(wl_pkg_data_dir, 'stable',
       sys_protocol)]
 endforeach
 

systemd-services/meson.build

@@ -1,7 +1,12 @@
 if get_option('systemd') == true
   sys_dep = dependency('systemd', required: false)
   if sys_dep.found()
-    sys_dir = sys_dep.get_pkgconfig_variable('systemduserunitdir')
+    if meson.version().version_compare('>=0.58')
+      sys_unit_dir = sys_dep.get_variable('systemduserunitdir')  
+    else 
+      sys_unit_dir = sys_dep.get_pkgconfig_variable('systemduserunitdir')
+    endif
+    sys_dir = sys_unit_dir
   else
     sys_dir = join_paths(dir_lib, 'systemd', 'user')
   endif