1 files changed, 3 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 37041a9..ae73a3e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,7 +3,10 @@ envlist = {pypy,py26,py27,py33,py34}{,-cryptographyMaster},pypi-readme,check-man
 
 [testenv]
 passenv =
+    ARCHFLAGS
+    CFLAGS
     LC_ALL
+    LDFLAGS
 deps =
     setuptools>=7.0  # older setuptools pollute CWD with egg files of dependencies
     coverage