[glib: 1/2] Meson: doc: fix cross references

[Xavier Claessens <xclaesse src gnome org>]

commit 780f7c64f9c6b14755ec8140e46436081e1e1468
Author: Xavier Claessens <xavier claessens collabora com>
Date:   Sun Sep 23 16:01:48 2018 -0400

    Meson: doc: fix cross references

 docs/reference/gio/meson.build     | 4 ++--
 docs/reference/glib/meson.build    | 1 -
 docs/reference/gobject/meson.build | 2 +-
 3 files changed, 3 insertions(+), 4 deletions(-)
---
diff --git a/docs/reference/gio/meson.build b/docs/reference/gio/meson.build
index c7ca62abb..f1880cc0c 100644
--- a/docs/reference/gio/meson.build
+++ b/docs/reference/gio/meson.build
@@ -221,8 +221,8 @@ if get_option('gtk_doc')
     ],
     fixxref_args: [
       '--html-dir=' + docpath,
-      '--extra-dir=' + join_paths(meson.current_build_dir(), '../glib/html'),
-      '--extra-dir=' + join_paths(meson.current_build_dir(), '../gobject/html'),
+      '--extra-dir=' + join_paths('gio', '..', 'glib', 'html'),
+      '--extra-dir=' + join_paths('gio', '..', 'gobject', 'html'),
     ],
     install: true
   )
diff --git a/docs/reference/glib/meson.build b/docs/reference/glib/meson.build
index fbe3422d0..f14824bff 100644
--- a/docs/reference/glib/meson.build
+++ b/docs/reference/glib/meson.build
@@ -140,7 +140,6 @@ if get_option('gtk_doc')
                ],
                fixxref_args: [
                  '--html-dir=' + docpath,
-                 # TODO: gobject/gio extra dirs
                ],
                install: true)
 endif
diff --git a/docs/reference/gobject/meson.build b/docs/reference/gobject/meson.build
index ac2da57d9..014fe5405 100644
--- a/docs/reference/gobject/meson.build
+++ b/docs/reference/gobject/meson.build
@@ -103,7 +103,7 @@ if get_option('gtk_doc')
     ],
     fixxref_args: [
       '--html-dir=' + docpath,
-      '--extra-dir=' + join_paths(meson.current_build_dir(), '../glib/html'),
+      '--extra-dir=' + join_paths('gobject', '..', 'glib', 'html'),
     ],
     install: true
   )