[jhbuild] 3.28: Disable X11 or Wayland for gtk+ when unavailable

[Ting-Wei Lan <lantw src gnome org>]

commit 31fd0ac8c86a82fe3bbcde4b5b982071fe1964a7
Author: Ting-Wei Lan <lantw src gnome org>
Date:   Sun Dec 24 18:26:41 2017 +0800

    3.28: Disable X11 or Wayland for gtk+ when unavailable
    
    GTK+ enables both X11 and Wayland by default, so instead of adding
    options to enable them when available, we should adding options to
    disable them when unavailable.

 modulesets/gnome-suites-core-deps-3.28.modules |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/modulesets/gnome-suites-core-deps-3.28.modules b/modulesets/gnome-suites-core-deps-3.28.modules
index bedbb39..1d2acc5 100644
--- a/modulesets/gnome-suites-core-deps-3.28.modules
+++ b/modulesets/gnome-suites-core-deps-3.28.modules
@@ -794,11 +794,11 @@ the module and we will just change it to use a tarball anyway.
   </autotools>
 
   <meson id="gtk+" mesonargs="-Denable-broadway-backend=true">
-    <if condition-set="x11">
-      <mesonargs value="-Denable-x11-backend=true"/>
+    <if condition-unset="x11">
+      <mesonargs value="-Denable-x11-backend=false"/>
     </if>
-    <if condition-set="wayland">
-      <mesonargs value="-Denable-wayland-backend=true"/>
+    <if condition-unset="wayland">
+      <mesonargs value="-Denable-wayland-backend=false"/>
     </if>
     <if condition-set="mir">
       <mesonargs value="-Denable-mir-backend=true"/>