new file mode 100644
--- /dev/null
+++ b/build/debian-packages/glib-wheezy.diff
@@ -0,0 +1,26 @@
+diff -Nru glib2.0-2.38.2/debian/changelog glib2.0-2.38.2/debian/changelog
+--- glib2.0-2.38.2/debian/changelog	2014-02-15 21:47:00.000000000 +0900
++++ glib2.0-2.38.2/debian/changelog	2018-11-02 09:47:49.000000000 +0900
+@@ -1,3 +1,10 @@
++glib2.0 (2.38.2-5.deb7moz1) wheezy; urgency=medium
++
++  * Mozilla backport for Wheezy.
++  * debian/control: Remove :any from dependencies because it's not supported.
++
++ -- Mike Hommey <glandium@mozilla.com>  Fri, 02 Nov 2018 09:47:49 +0900
++
+ glib2.0 (2.38.2-5) unstable; urgency=medium
+ 
+   * Upload to unstable.
+diff -Nru glib2.0-2.38.2/debian/control glib2.0-2.38.2/debian/control
+--- glib2.0-2.38.2/debian/control	2014-02-15 21:50:26.000000000 +0900
++++ glib2.0-2.38.2/debian/control	2018-11-02 09:47:24.000000000 +0900
+@@ -24,7 +24,7 @@
+                dbus-x11,
+                shared-mime-info,
+                xterm,
+-               python:any (>= 2.6.6-3~),
++               python (>= 2.6.6-3~),
+                python-dbus,
+                python-gi,
+                libxml2-utils,

new file mode 100644
--- /dev/null
+++ b/build/debian-packages/gtk-wheezy.diff
@@ -0,0 +1,38 @@
+diff -Nru gtk+3.0-3.10.7/debian/changelog gtk+3.0-3.10.7/debian/changelog
+--- gtk+3.0-3.10.7/debian/changelog	2014-02-15 22:20:29.000000000 +0900
++++ gtk+3.0-3.10.7/debian/changelog	2018-11-02 12:04:23.000000000 +0900
+@@ -1,3 +1,11 @@
++gtk+3.0 (3.10.7-1.deb7moz1) wheezy; urgency=medium
++
++  * Mozilla backport for Wheezy.
++  * gtk/Makefile.am: Filter-out -fvisibility=hidden from the flags passed
++    to g-ir-scanner.
++
++ -- Mike Hommey <glandium@mozilla.com>  Fri, 02 Nov 2018 12:04:23 +0900
++
+ gtk+3.0 (3.10.7-1) unstable; urgency=low
+ 
+   * debian/libgtk-3-bin.install:
+diff -Nru gtk+3.0-3.10.7/debian/patches/deb7moz1 gtk+3.0-3.10.7/debian/patches/deb7moz1
+--- gtk+3.0-3.10.7/debian/patches/deb7moz1	1970-01-01 09:00:00.000000000 +0900
++++ gtk+3.0-3.10.7/debian/patches/deb7moz1	2018-11-02 12:04:23.000000000 +0900
+@@ -0,0 +1,11 @@
++--- gtk+3.0-3.10.7.orig/gtk/Makefile.am
+++++ gtk+3.0-3.10.7/gtk/Makefile.am
++@@ -1352,7 +1352,7 @@ Gtk_3_0_gir_INCLUDES += xlib-2.0
++ endif
++ Gtk_3_0_gir_SCANNERFLAGS += --c-include="gtk/gtkx.h"
++ Gtk_3_0_gir_CFLAGS = \
++-		$(AM_CPPFLAGS) \
+++		$(filter-out -fvisibility=hidden,$(AM_CPPFLAGS)) \
++ 		-DGTK_TEXT_USE_INTERNAL_UNSUPPORTED_API
++ Gtk_3_0_gir_LIBS = libgtk-3.la $(top_builddir)/gdk/libgdk-3.la
++ Gtk_3_0_gir_FILES = $(introspection_files)
+diff -Nru gtk+3.0-3.10.7/debian/patches/series gtk+3.0-3.10.7/debian/patches/series
+--- gtk+3.0-3.10.7/debian/patches/series	2014-02-15 22:14:46.000000000 +0900
++++ gtk+3.0-3.10.7/debian/patches/series	2018-11-02 12:04:23.000000000 +0900
+@@ -12,3 +12,4 @@
+ 061_multiarch_module_fallback.patch
+ 071_fix-installation-of-HTML-images.patch
+ 080_disable-parallel-docs-build.patch
++deb7moz1

--- a/taskcluster/ci/packages/kind.yml
+++ b/taskcluster/ci/packages/kind.yml
@@ -260,8 +260,119 @@ jobs:
     treeherder:
       symbol: Deb9(python-zstandard)
     run:
       using: debian-package
       dist: stretch
       tarball:
         url: https://github.com/indygreg/python-zstandard/releases/download/0.9.1/python-zstandard-0.9.1.tar.gz
         sha256: 59c7d6f1f85cebb5124abb50d8ec281c5311e0812e18785e28b197cf1515dd3b
+
+  deb7-pcre3:
+    description: "pcre3 8.31 for Debian Wheezy"
+    treeherder:
+      symbol: Deb7(pcre3)
+    run:
+      using: debian-package
+      dsc:
+        url: http://snapshot.debian.org/archive/debian/20140424T055217Z/pool/main/p/pcre3/pcre3_8.31-5.dsc
+        sha256: e6e92af1e9f4b1d286ce9e7fdb6cb2f0972a341a94f5631e0b8c31b9f79633a4
+
+  deb7-atk:
+    description: "atk 2.8 for Debian Wheezy"
+    treeherder:
+      symbol: Deb7(atk)
+    run:
+      using: debian-package
+      dsc:
+        url: http://snapshot.debian.org/archive/debian/20130510T040301Z/pool/main/a/atk1.0/atk1.0_2.8.0-2.dsc
+        sha256: cae824b2a5ef47704fb820c04b5b7ee234329d9ddda1086bf487e12d58b9f70c
+
+  deb7-glib:
+    description: "glib 2.38 for Debian Wheezy"
+    treeherder:
+      symbol: Deb7(glib)
+    run:
+      using: debian-package
+      dsc:
+        url: http://snapshot.debian.org/archive/debian/20140215T160944Z/pool/main/g/glib2.0/glib2.0_2.38.2-5.dsc
+        sha256: 1d81952a9a46a935d35d723f7528bf8d5264ef8a59491bad335d134dbeaa2404
+      patch: glib-wheezy.diff
+      packages:
+        - deb7-pcre3
+
+  deb7-harfbuzz:
+    description: "harfbuzz for Debian Wheezy"
+    treeherder:
+      symbol: Deb7(harfbuzz)
+    run:
+      using: debian-package
+      dsc:
+        url: http://snapshot.debian.org/archive/debian/20121211T033951Z/pool/main/h/harfbuzz/harfbuzz_0.9.9-1.dsc
+        sha256: 622677a2757a739fb59c8bcd8cde9c1722fac82808248e19ce1cae46620d92bd
+
+  deb7-gdk-pixbuf:
+    description: "gdk-pixbuf 2.28 for Debian Wheezy"
+    treeherder:
+      symbol: Deb7(gdkpixbuf)
+    run:
+      using: debian-package
+      dsc:
+        url: http://snapshot.debian.org/archive/debian/20130608T215552Z/pool/main/g/gdk-pixbuf/gdk-pixbuf_2.28.2-1.dsc
+        sha256: f5057beb54c37293de352c6f253cedd8b144d25289f1fdf1a958f17b51565bcb
+      packages:
+        - deb7-glib
+        - deb7-pcre3
+
+  deb7-pango:
+    description: "pango 1.32 for Debian Wheezy"
+    treeherder:
+      symbol: Deb7(pango)
+    run:
+      using: debian-package
+      dsc:
+        url: http://snapshot.debian.org/archive/debian/20130224T223605Z/pool/main/p/pango1.0/pango1.0_1.32.5-1.dsc
+        sha256: d9d9b1f797c5dbe70bfe9c7931d63b28437476aa1a737c424c7f072ca6e22914
+      packages:
+        - deb7-glib
+        - deb7-harfbuzz
+        - deb7-pcre3
+
+  deb7-libxkbcommon:
+    description: "libxkbcommon for Debian Wheezy"
+    treeherder:
+      symbol: Deb7(xkbc)
+    run:
+      using: debian-package
+      dsc:
+        url: http://snapshot.debian.org/archive/debian/20140723T102555Z/pool/main/libx/libxkbcommon/libxkbcommon_0.4.1-2.dsc
+        sha256: 9046dbceda207ed7163b7c12c98399e6d119491a480dc908ae451d7fff0fb77c
+
+  deb7-wayland:
+    description: "wayland 1.2 for Debian wheezy"
+    treeherder:
+      symbol: Deb7(wayland)
+    run:
+      using: debian-package
+      dsc:
+        url: http://snapshot.debian.org/archive/debian/20130908T214400Z/pool/main/w/wayland/wayland_1.2.1-1.dsc
+        sha256: 964619747c00c697c95f2739c7980a0a360d79d03eaa3d9a342fed81d86e9466
+
+  deb7-gtk3:
+    description: "gtk+ 3.10 for Debian wheezy"
+    treeherder:
+      symbol: Deb7(gtk3)
+    run:
+      using: debian-package
+      dsc:
+        url: http://snapshot.debian.org/archive/debian/20140215T220417Z/pool/main/g/gtk+3.0/gtk+3.0_3.10.7-1.dsc
+        sha256: 2a6810d44517806940063bb488e49e7177732d8059c798cf0ef94103fefaf0b3
+      patch: gtk-wheezy.diff
+      packages:
+        - deb7-atk
+        - deb7-glib
+        - deb7-gdk-pixbuf
+        - deb7-harfbuzz
+        - deb7-libxkbcommon
+        - deb7-make
+        - deb7-pango
+        - deb7-pcre3
+        - deb7-wayland