-Requires: myspell-common
-Requires: nspr >= 1:4.12
-Requires: nss >= 1:3.26.2
-Requires: sqlite3 >= 3.13.0
+Requires: cpuinfo(sse2)
+%{?with_system_ffmpeg:Requires: ffmpeg-libs >= 3.4}
+Requires: glib2 >= 1:2.42
+%{?with_system_gtk:Requires: gtk+3 >= 3.22}
+Requires: nspr >= 1:4.29
+Requires: nss >= 1:3.60.1
+%{?with_system_sqlite:Requires: sqlite3 >= 3.31.1}
+Suggests: pulseaudio