lang/python3: Clean up

- Remove leading definite article from COMMENT
- Update USES=python
- Remove unneeded use of PYTHON_MAJOR_VER because this is for python 3.x
- Merge the symbolic link of 2to3 and python to the .for loop

lang/python3/Makefile

@@ -1,38 +1,34 @@
 PORTNAME=	python3
-PORTVERSION=	${PYTHON_MAJOR_VER}
+PORTVERSION=	3
 PORTREVISION=	3
 CATEGORIES=	lang python
-MASTER_SITES=
-DISTFILES=
-EXTRACT_ONLY=
+MASTER_SITES=	# empty
+DISTFILES=	# empty
+EXTRACT_ONLY=	# empty
 
 MAINTAINER=	python@FreeBSD.org
-COMMENT=	The "meta-port" for version 3 of the Python interpreter
+COMMENT=	Meta-port for the Python interpreter 3.x
 
-USES=		python:3.5+,run
+USES=		python:3.6+,run
 
 NO_ARCH=	yes
 NO_BUILD=	yes
 
-PLIST_FILES=	bin/2to3-${PYTHON_MAJOR_VER} \
-		bin/idle${PYTHON_MAJOR_VER} \
-		bin/pydoc${PYTHON_MAJOR_VER} \
-		bin/python${PYTHON_MAJOR_VER} \
-		bin/python${PYTHON_MAJOR_VER}-config \
-		libdata/pkgconfig/python${PYTHON_MAJOR_VER}.pc
+PLIST_FILES=	bin/2to3-3 \
+		bin/idle3 \
+		bin/pydoc3 \
+		bin/python3 \
+		bin/python3-config \
+		libdata/pkgconfig/python3.pc
 
 do-install:
-	${LN} -sf python${PYTHON_VER} \
-		${STAGEDIR}${PREFIX}/bin/python${PYTHON_MAJOR_VER}
-	${LN} -sf 2to3-${PYTHON_VER} \
-		${STAGEDIR}${PREFIX}/bin/2to3-${PYTHON_MAJOR_VER}
-.for file in idle pydoc
+.for file in 2to3- idle pydoc python
 	${LN} -sf ${file}${PYTHON_VER} \
-		${STAGEDIR}${PREFIX}/bin/${file}${PYTHON_MAJOR_VER}
+		${STAGEDIR}${PREFIX}/bin/${file}3
 .endfor
 	${LN} -sf python${PYTHON_VER}-config \
-		${STAGEDIR}${PREFIX}/bin/python${PYTHON_MAJOR_VER}-config
+		${STAGEDIR}${PREFIX}/bin/python3-config
 	${LN} -sf python-${PYTHON_VER}.pc \
-		${STAGEDIR}${PREFIX}/libdata/pkgconfig/python${PYTHON_MAJOR_VER}.pc
+		${STAGEDIR}${PREFIX}/libdata/pkgconfig/python3.pc
 
 .include <bsd.port.mk>