CLMUL like AESNI is an extension to x86 archs, so treat it the same way in
PLIST:
Index: pkg/PLIST
===================================================================
RCS file: /cvs/ports/security/py-cryptodome/pkg/PLIST,v
retrieving revision 1.4
diff -u -p -r1.4 PLIST
--- pkg/PLIST 23 Jun 2018 11:52:30 -0000 1.4
+++ pkg/PLIST 24 Jun 2018 10:38:39 -0000
@@ -125,7 +125,7 @@ lib/python${MODPY_VERSION}/site-packages
lib/python${MODPY_VERSION}/site-packages/Crypto/Hash/${MODPY_PYCACHE}SHAKE256.${MODPY_PYC_MAGIC_TAG}pyc
lib/python${MODPY_VERSION}/site-packages/Crypto/Hash/${MODPY_PYCACHE}__init__.${MODPY_PYC_MAGIC_TAG}pyc
lib/python${MODPY_VERSION}/site-packages/Crypto/Hash/${MODPY_PYCACHE}keccak.${MODPY_PYC_MAGIC_TAG}pyc
-lib/python${MODPY_VERSION}/site-packages/Crypto/Hash/_ghash_clmul.so
+${AESNI_COMMENT}lib/python${MODPY_VERSION}/site-packages/Crypto/Hash/_ghash_clmul.so
lib/python${MODPY_VERSION}/site-packages/Crypto/Hash/_ghash_portable.so
lib/python${MODPY_VERSION}/site-packages/Crypto/Hash/_keccak.so
lib/python${MODPY_VERSION}/site-packages/Crypto/Hash/keccak.py
