--- a/MozillaFirefox/MozillaFirefox.spec	Fri May 24 12:57:52 2019 +0200
+++ b/MozillaFirefox/MozillaFirefox.spec	Mon Jul 08 12:56:52 2019 +0200
@@ -19,12 +19,12 @@
 
 # changed with every update
 %define major          67
-%define mainver        %major.0
-%define orig_version   67.0
+%define mainver        %major.0.4
+%define orig_version   67.0.4
 %define orig_suffix    %{nil}
 %define update_channel release
 %define branding       1
-%define releasedate    20190516215225
+%define releasedate    20190619235627
 %define source_prefix  firefox-%{orig_version}
 
 # always build with GCC as SUSE Security Team requires that
@@ -62,6 +62,7 @@
 BuildRequires:  alsa-devel
 BuildRequires:  autoconf213
 BuildRequires:  dbus-1-glib-devel
+BuildRequires:  dejavu-fonts
 BuildRequires:  fdupes
 BuildRequires:  memory-constraints
 %if 0%{?suse_version} <= 1320
@@ -90,6 +91,7 @@
 BuildRequires:  unzip
 BuildRequires:  update-desktop-files
 BuildRequires:  xorg-x11-libXt-devel
+BuildRequires:  xvfb-run
 BuildRequires:  yasm
 BuildRequires:  zip
 %if 0%{?suse_version} < 1550
@@ -168,6 +170,7 @@
 # Firefox/browser
 Patch101:       firefox-kde.patch
 Patch102:       firefox-branded-icons.patch
+Patch103:       firefox-add-kde.js-in-order-to-survive-PGO-build.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 Requires(post):   coreutils shared-mime-info desktop-file-utils
 Requires(postun): shared-mime-info desktop-file-utils
@@ -276,6 +279,7 @@
 # Firefox
 %patch101 -p1
 %patch102 -p1
+%patch103 -p1
 
 %build
 # no need to add build time to binaries
@@ -388,10 +392,11 @@
 # LTO needs newer toolchain stack only (at least GCC 8.2.1 (r268506)
 %if 0%{?suse_version} > 1500
 ac_add_options --enable-lto
+ac_add_options MOZ_PGO=1
 %endif
 %endif
 EOF
-./mach build
+xvfb-run --server-args="-screen 0 1920x1080x24" ./mach build
 
 %install
 cd $RPM_BUILD_DIR/obj