Makefiles: add install target

Note to package maintainers:

1 Yes we do support DESTDIR.

2 From packaging scripts, use something like this:

	make install DESTDIR=$RPM_BUILD_ROOT PREFIX=/usr

(v2: add PREFIX, install to /usr/local not /usr by default)
(v3: fix criu man section -- it is 8 not 1)
Signed-off-by: Kir Kolyshkin <kir@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

Documentation/Makefile

@@ -6,6 +6,7 @@ XMLTO		:= xmlto
 
 SRC		+= criu.txt
 MANS		:= $(patsubst %.txt,%.8,$(SRC))
+MAN8DIR		:= $(MANDIR)/man8
 
 all: $(MANS)
 
@@ -19,4 +20,9 @@ clean:
 	$(Q) rm -f ./*.xml
 	$(Q) rm -f ./*.1
 
-.PHONY: clean
+install: $(MANS)
+	$(E) "  INSTALL " $(MANS)
+	$(Q) mkdir -p $(DESTDIR)$(MAN8DIR)
+	$(Q) install $(MANS) $(DESTDIR)$(MAN8DIR)
+
+.PHONY: clean install

Makefile

@@ -201,12 +201,23 @@ criu-$(CRTOOLSVERSION).tar.bz2:
 		v$(CRTOOLSVERSION) | bzip2 > $@
 .PHONY: dist tar
 
+install: $(PROGRAM) install-man
+	$(E) "  INSTALL " $(PROGRAM)
+	$(Q) mkdir -p $(DESTDIR)$(SBINDIR)
+	$(Q) install -m 755 $(PROGRAM) $(DESTDIR)$(SBINDIR)
+
+install-man:
+	$(Q) $(MAKE) -C Documentation install
+
+.PHONY: install install-man
+
 help:
 	@echo '    Targets:'
 	@echo '      all             - Build all [*] targets'
 	@echo '    * criu            - Build criu'
 	@echo '      zdtm            - Build zdtm test-suite'
 	@echo '      docs            - Build documentation'
+	@echo '      install         - Install binary and man page'
 	@echo '      clean           - Clean everything'
 	@echo '      tags            - Generate tags file (ctags)'
 	@echo '      cscope          - Generate cscope database'

Makefile.inc

@@ -9,3 +9,8 @@ else
 endif
 
 export E Q
+
+# Installation paths
+PREFIX		:= /usr/local
+SBINDIR		:= $(PREFIX)/sbin
+MANDIR		:= $(PREFIX)/share/man