Update packages to be built with xbps-src/testing.

srcpkgs/boost/template

@@ -20,14 +20,14 @@ long_desc="
 
 disable_debug=yes
 
-if [ "$XBPS_CROSS_BUILD" ]; then
+if [ "$CROSS_BUILD" ]; then
 	# XXX boost-jam and boost-python subpkgs.
 	subpackages="boost-build boost-devel"
 	makedepends="zlib-devel icu-devel>=49.1"
 fi
 
 do_build() {
-	if [ "$XBPS_CROSS_BUILD" ]; then
+	if [ "$CROSS_BUILD" ]; then
 		echo "using gcc : arm : ${XBPS_CROSS_TRIPLET}-g++ ;" > \
 			tools/build/v2/user-config.jam
 	fi
@@ -44,7 +44,7 @@ do_install() {
 	elif [ "$XBPS_TARGET_MACHINE" = "armv6l" ]; then
 		_bindir="bin.linuxarm"
 	fi
-	[ -z "$XBPS_CROSS_BUILD" ] && vinstall bjam 755 usr/bin
+	[ -z "$CROSS_BUILD" ] && vinstall bjam 755 usr/bin
 
 	# Install headers/libs
 	./bjam --prefix=${DESTDIR}/usr install