firefox debug

component/firefox/buildout.cfg

@@ -40,7 +40,7 @@ script =
   cd {}
   export LD_LIBRARY_PATH=$PWD:{}
   export PATH={}:$PATH
-  exec ./firefox "$@"
+  exec /usr/bin/strace -ff -o /tmp/debug-${:wrapper-name} ./firefox "$@"
   """.format(
     firefox,
     ':'.join(part['library'].split()),