[PATCH] gnu: icecat: Enable gtk3 support.

[David Craven]

* gnu/packages/gnuzilla.scm (icecat)[inputs]: Add gtk+.
  [arguments]: Use --enable-default-toolkit=cairo-gtk3. Force light
  gtk theme in desktop file to avoid unreadable input fields.
---
 gnu/packages/gnuzilla.scm | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/gnu/packages/gnuzilla.scm b/gnu/packages/gnuzilla.scm
index 4927a51..059ae23 100644
--- a/gnu/packages/gnuzilla.scm
+++ b/gnu/packages/gnuzilla.scm
@@ -410,7 +410,8 @@ standards.")
        ("glib" ,glib)
        ("gstreamer" ,gstreamer)
        ("gst-plugins-base" ,gst-plugins-base)
-       ("gtk+" ,gtk+-2)
+       ("gtk+" ,gtk+)
+       ("gtk+-2" ,gtk+-2)
        ("pango" ,pango)
        ("freetype" ,freetype)
        ("hunspell" ,hunspell)
@@ -468,7 +469,7 @@ standards.")
        ;; practice somehow.  See <http://hydra.gnu.org/build/378133>.
        #:validate-runpath? #f
 
-       #:configure-flags '("--enable-default-toolkit=cairo-gtk2"
+       #:configure-flags '("--enable-default-toolkit=cairo-gtk3"
                            "--enable-pango"
                            "--enable-gio"
                            "--enable-svg"
@@ -628,7 +629,11 @@ standards.")
                  (("@MOZ_DISPLAY_NAME@")
                   "GNU IceCat")
                  (("address@hidden@")
-                  (string-append "Exec=" out "/bin/icecat"))
+                  ;; Force gnome light theme to avoid unreadable input fields.
+                  ;; https://wiki.archlinux.org/index.php/Firefox
+                  ;; #Unreadable_input_fields_with_dark_GTK.2B_themes
+                  (string-append "Exec=env GTK_THEME=Adwaita:light " out
+                                 "/bin/icecat"))
                  (("@MOZ_APP_NAME@")
                   "icecat"))
                (install-file "debian/icecat.desktop" applications)
-- 
2.9.0