@@ -, +, @@ 
 unshare).
---
 pym/portage/process.py | 6 ++++++
 1 file changed, 6 insertions(+)
--- a/pym/portage/process.py	
+++ a/pym/portage/process.py	
@@ -279,6 +279,12 @@ def spawn(mycommand, env={}, opt_name=None, fd_pipes=None, returnpid=False,
 		fd_pipes[1] = pw
 		fd_pipes[2] = pw
 
+	# This caches the libc library lookup in the current
+	# process, so that it's only done once rather than
+	# for each child process.
+	if unshare_net:
+		find_library("c")
+
 	parent_pid = os.getpid()
 	pid = None
 	try:
--