Merge pull request #1282 from akgood/reorder_libs
Reorder OpenSSL libraries on the linker command-line
diff --git a/cryptography/hazmat/bindings/openssl/binding.py b/cryptography/hazmat/bindings/openssl/binding.py
index 4cd1b89..4cbe3c5 100644
--- a/cryptography/hazmat/bindings/openssl/binding.py
+++ b/cryptography/hazmat/bindings/openssl/binding.py
@@ -96,7 +96,11 @@
# OpenSSL goes by a different library name on different operating
# systems.
if sys.platform != "win32":
- libraries = ["crypto", "ssl"]
+ # In some circumstances, the order in which these libs are
+ # specified on the linker command-line is significant;
+ # libssl must come before libcrypto
+ # (http://marc.info/?l=openssl-users&m=135361825921871)
+ libraries = ["ssl", "crypto"]
else: # pragma: no cover
link_type = os.environ.get("PYCA_WINDOWS_LINK_TYPE", "static")
libraries = _get_windows_libraries(link_type)