install-script: Follow FHS rules

Makefile

@@ -0,0 +1,47 @@
+# Copyright (C) 2018-2020 Ruilin Peng (Nick) <pymumu@gmail.com>.
+#
+# smartdns is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# smartdns is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+PKG_CONFIG := pkg-config
+DESTDIR :=
+PREFIX := /usr
+SBINDIR := $(PREFIX)/sbin
+SYSCONFDIR := /etc
+RUNSTATEDIR := /var/run
+SYSTEMDSYSTEMUNITDIR := $(shell ${PKG_CONFIG} --variable=systemdsystemunitdir systemd)
+SMARTDNS_SYSTEMD = systemd/smartdns.service
+
+.PHONY: all clean install SMARTDNS_BIN
+all: SMARTDNS_BIN 
+
+SMARTDNS_BIN: $(SMARTDNS_SYSTEMD)
+	$(MAKE) $(MFLAGS) -C src all 
+
+$(SMARTDNS_SYSTEMD): systemd/smartdns.service.in
+	cp $< $@
+	sed -i 's|@SBINDIR@|$(SBINDIR)|' $@
+	sed -i 's|@SYSCONFDIR@|$(SYSCONFDIR)|' $@
+	sed -i 's|@RUNSTATEDIR@|$(RUNSTATEDIR)|' $@
+
+clean:
+	$(MAKE) $(MFLAGS) -C src clean  
+	$(RM) $(SMARTDNS_SYSTEMD)
+
+install: SMARTDNS_BIN 
+	install -v -m 0640 -D -t $(DESTDIR)$(SYSCONFDIR)/default etc/default/smartdns
+	install -v -m 0755 -D -t $(DESTDIR)$(SYSCONFDIR)/init.d etc/init.d/smartdns
+	install -v -m 0640 -D -t $(DESTDIR)$(SYSCONFDIR)/smartdns etc/smartdns/smartdns.conf
+	install -v -m 0755 -D -t $(DESTDIR)$(SBINDIR) src/smartdns
+	install -v -m 0644 -D -t $(DESTDIR)$(SYSTEMDSYSTEMUNITDIR) systemd/smartdns.service
+