Added build system support for a man page.

auto/make

@@ -22,10 +22,11 @@ NXT_EXEC_LINK =		$NXT_EXEC_LINK $NXT_LD_OPT
 NXT_SHARED_LOCAL_LINK =	$NXT_SHARED_LOCAL_LINK $NXT_LD_OPT
 NXT_MODULE_LINK =	$NXT_MODULE_LINK
 
-all: $NXT_DAEMON
+all: $NXT_DAEMON manpage
 
-.PHONY: $NXT_DAEMON
+.PHONY: $NXT_DAEMON manpage
 $NXT_DAEMON: $NXT_BUILD_DIR/$NXT_DAEMON
+manpage: $NXT_BUILD_DIR/unitd.8
 
 END
 
@@ -305,6 +306,19 @@ $NXT_BUILD_DIR/$NXT_DAEMON:	$NXT_BUILD_DIR/$NXT_LIB_STATIC \\
 END
 
 
+# unitd man page
+
+cat << END >> $NXT_MAKEFILE
+
+$NXT_BUILD_DIR/unitd.8: docs/man/unitd.8.in $NXT_BUILD_DIR/nxt_auto_config.h
+	sed -e "s|%%ERROR_LOG_PATH%%|$NXT_LOG|" \\
+		-e "s|%%PID_PATH%%|$NXT_PID|" \\
+		-e "s|%%SOCKET_PATH%%|$NXT_CONTROL|" \\
+		< docs/man/unitd.8.in > \$@
+
+END
+
+
 # unit object files.
 
 for nxt_src in $NXT_MAKE_SRCS
@@ -334,9 +348,9 @@ done
 
 cat << END >> $NXT_MAKEFILE
 
-.PHONY: install ${NXT_DAEMON}-install install-check
+.PHONY: install ${NXT_DAEMON}-install install-check manpage-install
 
-install: ${NXT_DAEMON}-install
+install: ${NXT_DAEMON}-install manpage-install
 
 install-check:
 	@test -n "\$(DESTDIR)$NXT_PREFIX" \\
@@ -352,15 +366,22 @@ ${NXT_DAEMON}-install: $NXT_DAEMON install-check
 	install -p $NXT_BUILD_DIR/$NXT_DAEMON \$(DESTDIR)$NXT_SBINDIR/
 	install -d \$(DESTDIR)$NXT_STATE
 
+manpage-install: manpage install-check
+	install -d \$(DESTDIR)$NXT_MANDIR/man8
+	install -p $NXT_BUILD_DIR/unitd.8 \$(DESTDIR)$NXT_MANDIR/man8/
 
-.PHONY: uninstall ${NXT_DAEMON}-uninstall
+.PHONY: uninstall ${NXT_DAEMON}-uninstall manpage-uninstall
 
-uninstall: ${NXT_DAEMON}-uninstall
+uninstall: ${NXT_DAEMON}-uninstall manpage-uninstall
 
 ${NXT_DAEMON}-uninstall:
 	rm -f \$(DESTDIR)$NXT_SBINDIR/$NXT_DAEMON
 	@rmdir -p \$(DESTDIR)$NXT_SBINDIR 2>/dev/null || true
 
+manpage-uninstall:
+	rm -f \$(DESTDIR)$NXT_MANDIR/man8/unitd.8
+	@rmdir -p \$(DESTDIR)$NXT_MANDIR/man8 2>/dev/null || true
+
 END
 
 cat << END >> $NXT_MAKEFILE