pkg: make building 17.1 a bit easier

We're switching to PHP 7.0 (or 7.1 maybe), php-suhosin seems dead,
and maybe someone wants to work on a newer python base.

(cherry picked from commit 33d00edd)

Makefile

@@ -43,6 +43,15 @@ CORE_HASH=	${CORE_COMMIT:C/^.*-//1}
 
 CORE_ABI?=	16.7
 CORE_ARCH?=	${ARCH}
+CORE_PY?=	27
+
+.if ${CORE_ABI} == 16.7
+CORE_PHP_SUHOSIN=php-suhosin
+CORE_PHP?=	56
+.else
+CORE_PHP?=	70
+.endif
+
 
 _FLAVOUR!=	if [ -f ${OPENSSL} ]; then ${OPENSSL} version; fi
 FLAVOUR?=	${_FLAVOUR:[1]}
@@ -99,29 +108,29 @@ CORE_DEPENDS?=		apinger \
 			pecl-radius \
 			pftop \
 			phalcon \
-			php-suhosin \
-			php56-ctype \
-			php56-curl \
-			php56-dom \
-			php56-filter \
-			php56-gettext \
-			php56-hash \
-			php56-json \
-			php56-ldap \
-			php56-mcrypt \
-			php56-openssl \
-			php56-pdo \
-			php56-session \
-			php56-simplexml \
-			php56-sockets \
-			php56-sqlite3 \
-			php56-xml \
-			php56-zlib \
-			py27-Jinja2 \
-			py27-netaddr \
-			py27-requests \
-			py27-sqlite3 \
-			py27-ujson \
+			${CORE_PHP_SUHOSIN} \
+			php${CORE_PHP}-ctype \
+			php${CORE_PHP}-curl \
+			php${CORE_PHP}-dom \
+			php${CORE_PHP}-filter \
+			php${CORE_PHP}-gettext \
+			php${CORE_PHP}-hash \
+			php${CORE_PHP}-json \
+			php${CORE_PHP}-ldap \
+			php${CORE_PHP}-mcrypt \
+			php${CORE_PHP}-openssl \
+			php${CORE_PHP}-pdo \
+			php${CORE_PHP}-session \
+			php${CORE_PHP}-simplexml \
+			php${CORE_PHP}-sockets \
+			php${CORE_PHP}-sqlite3 \
+			php${CORE_PHP}-xml \
+			php${CORE_PHP}-zlib \
+			py${CORE_PY}-Jinja2 \
+			py${CORE_PY}-netaddr \
+			py${CORE_PY}-requests \
+			py${CORE_PY}-sqlite3 \
+			py${CORE_PY}-ujson \
 			radvd \
 			rate \
 			relayd \