Index: head/x11-fonts/py-opentype-sanitizer/Makefile
===================================================================
--- head/x11-fonts/py-opentype-sanitizer/Makefile	(revision 569585)
+++ head/x11-fonts/py-opentype-sanitizer/Makefile	(revision 569586)
@@ -1,34 +1,40 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	opentype-sanitizer
 PORTVERSION=	8.1.3
 DISTVERSIONSUFFIX=	.post1
 CATEGORIES=	x11-fonts python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Python wrapper for the OpenType Sanitizer
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools_scm>=0:devel/py-setuptools_scm@${PY_FLAVOR}
 RUN_DEPENDS=	ots-sanitize:x11-fonts/ots
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>=0:devel/py-pytest@${PY_FLAVOR}
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
+.include <bsd.port.pre.mk>
+
+.if ${PYTHON_REL} >= 3800
+LDFLAGS+=	-lpython${PYTHON_VER}
+.endif
+
 post-patch:
 	@${REINPLACE_CMD} -e 's|%%LOCALBASE%%|${LOCALBASE}|' ${WRKSRC}/src/python/ots/__init__.py
 	@${RM} -r ${WRKSRC}/src/c/
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PYTHON_SITELIBDIR}/ots/ots-sanitize*.so
 
 do-test:
 	cd ${WRKSRC}/ && ${PYTHON_CMD} -m pytest -v
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>