From e81ba5243ac44ea175500e447c1808beddc6eb09 Mon Sep 17 00:00:00 2001
From: Christophe Bourcier <christophe.bourcier@cea.fr>
Date: Mon, 21 Dec 2020 13:38:53 +0100
Subject: [PATCH] Launch the web browser in a clean environment to be able to
 launch firefox from universal binaries

---
 src/LightApp/LightApp_Application.cxx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/LightApp/LightApp_Application.cxx b/src/LightApp/LightApp_Application.cxx
index 1aa01cf53..efa47c001 100644
--- a/src/LightApp/LightApp_Application.cxx
+++ b/src/LightApp/LightApp_Application.cxx
@@ -1206,12 +1206,16 @@ protected:
   {
     if ( !myBrowser.isEmpty() && !myUrl.isEmpty() )
     {
+      QProcess* proc = new QProcess();
 #ifdef WIN32
       QString cmdLine = QString( "\"%1\" %2 \"%3\"" ).arg( myBrowser, myParameters, myUrl );
 #else
       QString cmdLine = QString( "%1 %2 \"%3\"" ).arg( myBrowser, myParameters, myUrl );
+      // unset LD_LIBRARY_PATH to launch the web browser in a clean environment
+      QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
+      env.insert("LD_LIBRARY_PATH", "");
+      proc->setProcessEnvironment(env);
 #endif
-      QProcess* proc = new QProcess();
       proc->start( cmdLine );
       if ( !proc->waitForStarted() )
       {
-- 
2.39.2