From 96c34702e90dd4957aced6013886aed7d0eed0a7 Mon Sep 17 00:00:00 2001
From: "S. Nordin Abouzahra" <abouzahra.9@wright.edu>
Date: Wed, 9 Dec 2020 14:48:45 -0500
Subject: [PATCH] firefox: restrict system NSPR workaround

It only affected FF80 so place an upper bound restriction. See
bmo#1661096 for details.

This fixes substituteStream() warnings about missing patterns which
appeared in the logs.
---
 pkgs/applications/networking/browsers/firefox/common.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/applications/networking/browsers/firefox/common.nix b/pkgs/applications/networking/browsers/firefox/common.nix
index d335313df7b..c0822e478f3 100644
--- a/pkgs/applications/networking/browsers/firefox/common.nix
+++ b/pkgs/applications/networking/browsers/firefox/common.nix
@@ -197,7 +197,7 @@ buildStdenv.mkDerivation ({
     substituteInPlace \
       media/webrtc/trunk/webrtc/modules/desktop_capture/desktop_capture_generic_gn/moz.build \
       --replace /usr/include ${pipewire.dev}/include
-  '' + lib.optionalString (lib.versionAtLeast ffversion "80") ''
+  '' + lib.optionalString (lib.versionAtLeast ffversion "80" && lib.versionOlder ffversion "81") ''
     substituteInPlace dom/system/IOUtils.h \
       --replace '#include "nspr/prio.h"'          '#include "prio.h"'