firefox: fallback to nss_3_53 when version is below 83

pkgs/applications/networking/browsers/firefox/common.nix

@@ -4,7 +4,7 @@
 
 { lib, stdenv, pkgconfig, pango, perl, python2, python3, zip
 , libjpeg, zlib, dbus, dbus-glib, bzip2, xorg
-, freetype, fontconfig, file, nspr, nss, libnotify
+, freetype, fontconfig, file, nspr, nss, nss_3_53, libnotify
 , yasm, libGLU, libGL, sqlite, unzip, makeWrapper
 , hunspell, libXdamage, libevent, libstartup_notification
 , libvpx_1_8
@@ -106,6 +106,8 @@ let
   # 78 ESR won't build with rustc 1.47
   inherit (if lib.versionAtLeast ffversion "82" then rustPackages else rustPackages_1_45)
     rustc cargo;
+
+  nss_pkg = if lib.versionOlder ffversion "83" then nss_3_53 else nss;
 in
 
 buildStdenv.mkDerivation ({
@@ -169,7 +171,7 @@ buildStdenv.mkDerivation ({
     # yasm can potentially be removed in future versions
     # https://bugzilla.mozilla.org/show_bug.cgi?id=1501796
     # https://groups.google.com/forum/#!msg/mozilla.dev.platform/o-8levmLU80/SM_zQvfzCQAJ
-    nspr nss
+    nspr nss_pkg
   ]
   ++ lib.optional  alsaSupport alsaLib
   ++ lib.optional  pulseaudioSupport libpulseaudio # only headers are needed
@@ -190,7 +192,7 @@ buildStdenv.mkDerivation ({
 
   NIX_CFLAGS_COMPILE = toString [
     "-I${glib.dev}/include/gio-unix-2.0"
-    "-I${nss.dev}/include/nss"
+    "-I${nss_pkg.dev}/include/nss"
   ];
 
   MACH_USE_SYSTEM_PYTHON = "1";