contrib: remove third party files from main src dir

Makefile

@@ -24,6 +24,8 @@ install: force
 	@make -C ${.CURDIR}/pkg install
 	# invoke translation glue
 	@make -C ${.CURDIR}/lang install
+	# invoke third-party tools
+	@make -C ${.CURDIR}/contrib install
 	# finally pretty-print a list of files present
 	@(cd ${.CURDIR}/src; find * -type f) | \
 	    xargs -n1 printf "/usr/local/%s\n"

contrib/Makefile

+all:
+
+install:
+	# bootstrap needed root directories
+	@mkdir -p ${DESTDIR}/usr/local/share
+	# openvpn client exporter files
+	@cp -r ${.CURDIR}/openvpn ${DESTDIR}/usr/local/share/
+	@(cd ${.CURDIR}/openvpn; find * -type f) | \
+	    xargs -n1 printf "/usr/local/share/openvpn/%s\n"
+	# mobile broadband provider database
+	@cp -r ${.CURDIR}/mobile-broadband-provider-info \
+	    ${DESTDIR}/usr/local/share/
+	@(cd ${.CURDIR}/mobile-broadband-provider-info; find * -type f) | \
+	    xargs -n1 printf \
+	    "/usr/local/share/mobile-broadband-provider-info/%s\n"
+
+.PHONY: install