security/py-cryptography-legacy: Convert to USE_PYTHON=pep517

- Bump PORTREVISION for package change

security/py-cryptography-legacy/Makefile

@@ -1,6 +1,6 @@
 PORTNAME=	cryptography
 PORTVERSION=	3.4.8
-PORTREVISION=	1
+PORTREVISION=	2
 PORTEPOCH=	1
 CATEGORIES=	security python
 MASTER_SITES=	PYPI
@@ -16,7 +16,9 @@ LICENSE_COMB=	dual
 LICENSE_FILE_APACHE20=	${WRKSRC}/LICENSE.APACHE
 LICENSE_FILE_BSD3CLAUSE=${WRKSRC}/LICENSE.BSD
 
-BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cffi>=1.12:devel/py-cffi@${PY_FLAVOR}
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cffi>=1.12:devel/py-cffi@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}setuptools>=0:devel/py-setuptools@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cffi>=1.12:devel/py-cffi@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cryptography-vectors>=${PORTVERSION}:security/py-cryptography-vectors@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}hypothesis>=1.11.4:devel/py-hypothesis@${PY_FLAVOR} \
@@ -29,7 +31,7 @@ TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cryptography-vectors>=${PORTVERSION}:securi
 		${PYTHON_PKGNAMEPREFIX}sqlite3>=0:databases/py-sqlite3@${PY_FLAVOR}
 
 USES=		compiler:env cpe python ssl
-USE_PYTHON=	autoplist concurrent distutils pytest
+USE_PYTHON=	autoplist concurrent pep517 pytest
 
 CFLAGS+=	-I${OPENSSLINC}
 LDFLAGS+=	-L${OPENSSLLIB}

security/py-cryptography-legacy/files/patch-pyproject.toml

@@ -0,0 +1,10 @@
+--- pyproject.toml.orig	2021-08-24 17:17:17 UTC
++++ pyproject.toml
+@@ -6,7 +6,6 @@ requires = [
+     "wheel",
+     # Must be kept in sync with the `setup_requirements` in `setup.py`
+     "cffi>=1.12; platform_python_implementation != 'PyPy'",
+-    "setuptools-rust>=0.11.4",
+ ]
+ build-backend = "setuptools.build_meta"
+