From 844b4dcb7188b23ea88d4a46eea802af5db15642 Mon Sep 17 00:00:00 2001
From: Sertonix <sertonix@posteo.net>
Date: Sat, 2 Aug 2025 00:32:37 +0200
Subject: [PATCH] widevine.patch

widevine is linked against glibc and needs gcompat to work. Load the
libraries before the sandbox is started.
---
 dom/media/gmp/GMPChild.cpp  |  4 ++++
 dom/media/gmp/GMPParent.cpp | 10 ++++++++++
 2 files changed, 14 insertions(+)

diff --git a/dom/media/gmp/GMPChild.cpp b/dom/media/gmp/GMPChild.cpp
index bbe722074b37c..88e9fd8503262 100644
--- a/dom/media/gmp/GMPChild.cpp
+++ b/dom/media/gmp/GMPChild.cpp
@@ -211,6 +211,10 @@ mozilla::ipc::IPCResult GMPChild::RecvPreloadLibs(const nsCString& aLibs) {
       "libdl.so.2",
       "libpthread.so.0",
       "librt.so.1",
+      "libgcompat.so.0",
+      "ld-linux-x86-64.so.2",
+      "ld-linux-aarch64.so.1",
+      "ld-linux.so.2",
   };
 
   nsTArray<nsCString> libs;
diff --git a/dom/media/gmp/GMPParent.cpp b/dom/media/gmp/GMPParent.cpp
index fdf156562dcee..8e071e1b962ec 100644
--- a/dom/media/gmp/GMPParent.cpp
+++ b/dom/media/gmp/GMPParent.cpp
@@ -1204,6 +1204,16 @@ RefPtr<GenericPromise> GMPParent::ParseChromiumManifest(
       // psapi.dll added for GetMappedFileNameW, which could possibly be avoided
       // in future versions, see bug 1383611 for details.
       mLibs = "dxva2.dll, ole32.dll, psapi.dll, shell32.dll, winmm.dll"_ns;
+#elif XP_LINUX
+      mLibs = "libgcompat.so.0"_ns
+#if defined(__x86_64__)
+        ", ld-linux-x86-64.so.2"_ns
+#elif defined(__aarch64__)
+        ", ld-linux-aarch64.so.1"_ns
+#elif defined(__i386__)
+        ", ld-linux.so.2"_ns
+#endif
+        ;
 #endif
       break;
 #ifdef MOZ_WMF_CDM
-- 
2.56.0