[XEN PATCH v4 04/32] tools/hotplug: cleanup Makefiles

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

Remove "build" targets.

Use simply expanded variables when recursively expanded variable
aren't needed. (Use ":=" instead of "=".)

Don't check if a directory already exist when installing, just create
it.

Fix $(HOTPLUGPATH), it shouldn't have any double-quote.

Some reindentation.

FreeBSD, "hotplugpath.sh" is already installed by common/.

Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
Reviewed-by: Luca Fancellu <luca.fancellu@xxxxxxx>
---
 tools/hotplug/FreeBSD/Makefile       | 11 +++--------
 tools/hotplug/Linux/Makefile         | 16 ++++++----------
 tools/hotplug/Linux/systemd/Makefile | 16 +++++++---------
 tools/hotplug/NetBSD/Makefile        |  9 +++------
 tools/hotplug/common/Makefile        | 16 ++++++----------
 5 files changed, 25 insertions(+), 43 deletions(-)

diff --git a/tools/hotplug/FreeBSD/Makefile b/tools/hotplug/FreeBSD/Makefile
index de9928cd86..a6552c9884 100644
--- a/tools/hotplug/FreeBSD/Makefile
+++ b/tools/hotplug/FreeBSD/Makefile
@@ -2,18 +2,15 @@ XEN_ROOT = $(CURDIR)/../../..
 include $(XEN_ROOT)/tools/Rules.mk
 
 # Xen script dir and scripts to go there.
-XEN_SCRIPTS = vif-bridge block
+XEN_SCRIPTS := vif-bridge block
 
-XEN_SCRIPT_DATA =
+XEN_SCRIPT_DATA :=
 
-XEN_RCD_PROG = rc.d/xencommons rc.d/xendriverdomain
+XEN_RCD_PROG := rc.d/xencommons rc.d/xendriverdomain
 
 .PHONY: all
 all:
 
-.PHONY: build
-build:
-
 .PHONY: install
 install: install-scripts install-rcd
 
@@ -44,12 +41,10 @@ install-rcd:
           do \
           $(INSTALL_PROG) $$i $(DESTDIR)$(INITD_DIR); \
        done
-       $(INSTALL_DATA) ../common/hotplugpath.sh $(DESTDIR)$(XEN_SCRIPT_DIR)
 
 .PHONY: uninstall-rcd
 uninstall-rcd:
        rm -f $(addprefix $(DESTDIR)$(INITD_DIR)/, $(XEN_RCD_PROG))
-       rm -f $(DESTDIR)$(XEN_SCRIPT_DIR)/hotplugpath.sh
 
 .PHONY: clean
 clean:
diff --git a/tools/hotplug/Linux/Makefile b/tools/hotplug/Linux/Makefile
index 0b1d111d7e..9a7b3a3515 100644
--- a/tools/hotplug/Linux/Makefile
+++ b/tools/hotplug/Linux/Makefile
@@ -2,7 +2,7 @@ XEN_ROOT = $(CURDIR)/../../..
 include $(XEN_ROOT)/tools/Rules.mk
 
 # Xen script dir and scripts to go there.
-XEN_SCRIPTS = vif-bridge
+XEN_SCRIPTS := vif-bridge
 XEN_SCRIPTS += vif-route
 XEN_SCRIPTS += vif-nat
 XEN_SCRIPTS += vif-openvswitch
@@ -22,16 +22,13 @@ XEN_SCRIPTS += launch-xenstore
 
 SUBDIRS-$(CONFIG_SYSTEMD) += systemd
 
-XEN_SCRIPT_DATA = xen-script-common.sh locking.sh logging.sh
+XEN_SCRIPT_DATA := xen-script-common.sh locking.sh logging.sh
 XEN_SCRIPT_DATA += xen-hotplug-common.sh xen-network-common.sh vif-common.sh
 XEN_SCRIPT_DATA += block-common.sh
 
 .PHONY: all
 all: subdirs-all
 
-.PHONY: build
-build:
-
 .PHONY: install
 install: install-initd install-scripts subdirs-install
 
@@ -41,9 +38,9 @@ uninstall: uninstall-initd uninstall-scripts subdirs-uninstall
 # See docs/misc/distro_mapping.txt for INITD_DIR location
 .PHONY: install-initd
 install-initd:
-       [ -d $(DESTDIR)$(INITD_DIR) ] || $(INSTALL_DIR) $(DESTDIR)$(INITD_DIR)
-       [ -d $(DESTDIR)$(SYSCONFIG_DIR) ] || $(INSTALL_DIR) 
$(DESTDIR)$(SYSCONFIG_DIR)
-       [ -d $(DESTDIR)$(LIBEXEC_BIN) ] || $(INSTALL_DIR) 
$(DESTDIR)$(LIBEXEC_BIN)
+       $(INSTALL_DIR) $(DESTDIR)$(INITD_DIR)
+       $(INSTALL_DIR) $(DESTDIR)$(SYSCONFIG_DIR)
+       $(INSTALL_DIR) $(DESTDIR)$(LIBEXEC_BIN)
        $(INSTALL_DATA) init.d/sysconfig.xendomains 
$(DESTDIR)$(SYSCONFIG_DIR)/xendomains
        $(INSTALL_DATA) init.d/sysconfig.xencommons 
$(DESTDIR)$(SYSCONFIG_DIR)/xencommons
        $(INSTALL_PROG) xendomains $(DESTDIR)$(LIBEXEC_BIN)
@@ -64,8 +61,7 @@ uninstall-initd:
 
 .PHONY: install-scripts
 install-scripts:
-       [ -d $(DESTDIR)$(XEN_SCRIPT_DIR) ] || \
-               $(INSTALL_DIR) $(DESTDIR)$(XEN_SCRIPT_DIR)
+       $(INSTALL_DIR) $(DESTDIR)$(XEN_SCRIPT_DIR)
        set -e; for i in $(XEN_SCRIPTS); \
            do \
            $(INSTALL_PROG) $$i $(DESTDIR)$(XEN_SCRIPT_DIR); \
diff --git a/tools/hotplug/Linux/systemd/Makefile 
b/tools/hotplug/Linux/systemd/Makefile
index a5d41d86ef..26df2a43b1 100644
--- a/tools/hotplug/Linux/systemd/Makefile
+++ b/tools/hotplug/Linux/systemd/Makefile
@@ -1,12 +1,12 @@
 XEN_ROOT = $(CURDIR)/../../../..
 include $(XEN_ROOT)/tools/Rules.mk
 
-XEN_SYSTEMD_MODULES = xen.conf
+XEN_SYSTEMD_MODULES := xen.conf
 
-XEN_SYSTEMD_MOUNT =  proc-xen.mount
+XEN_SYSTEMD_MOUNT := proc-xen.mount
 XEN_SYSTEMD_MOUNT += var-lib-xenstored.mount
 
-XEN_SYSTEMD_SERVICE  = xenstored.service
+XEN_SYSTEMD_SERVICE := xenstored.service
 XEN_SYSTEMD_SERVICE += xenconsoled.service
 XEN_SYSTEMD_SERVICE += xen-qemu-dom0-disk-backend.service
 XEN_SYSTEMD_SERVICE += xendomains.service
@@ -14,7 +14,7 @@ XEN_SYSTEMD_SERVICE += xen-watchdog.service
 XEN_SYSTEMD_SERVICE += xen-init-dom0.service
 XEN_SYSTEMD_SERVICE += xendriverdomain.service
 
-ALL_XEN_SYSTEMD =      $(XEN_SYSTEMD_MODULES)  \
+ALL_XEN_SYSTEMD :=     $(XEN_SYSTEMD_MODULES)  \
                        $(XEN_SYSTEMD_MOUNT)    \
                        $(XEN_SYSTEMD_SERVICE)
 
@@ -30,10 +30,8 @@ distclean: clean
 
 .PHONY: install
 install: $(ALL_XEN_SYSTEMD)
-       [ -d $(DESTDIR)$(XEN_SYSTEMD_DIR) ] || \
-               $(INSTALL_DIR) $(DESTDIR)$(XEN_SYSTEMD_DIR)
-       [ -d $(DESTDIR)$(XEN_SYSTEMD_MODULES_LOAD) ] || \
-               $(INSTALL_DIR) $(DESTDIR)$(XEN_SYSTEMD_MODULES_LOAD)
+       $(INSTALL_DIR) $(DESTDIR)$(XEN_SYSTEMD_DIR)
+       $(INSTALL_DIR) $(DESTDIR)$(XEN_SYSTEMD_MODULES_LOAD)
        $(INSTALL_DATA) *.service $(DESTDIR)$(XEN_SYSTEMD_DIR)
        $(INSTALL_DATA) *.mount $(DESTDIR)$(XEN_SYSTEMD_DIR)
        $(INSTALL_DATA) *.conf $(DESTDIR)$(XEN_SYSTEMD_MODULES_LOAD)
@@ -48,5 +46,5 @@ $(XEN_SYSTEMD_MODULES):
        rm -f $@.tmp
        for mod in $(LINUX_BACKEND_MODULES) ; do \
                echo $$mod ; \
-               done > $@.tmp
+       done > $@.tmp
        $(call move-if-changed,$@.tmp,$@)
diff --git a/tools/hotplug/NetBSD/Makefile b/tools/hotplug/NetBSD/Makefile
index f909ffa367..1cd3db2ccb 100644
--- a/tools/hotplug/NetBSD/Makefile
+++ b/tools/hotplug/NetBSD/Makefile
@@ -2,22 +2,19 @@ XEN_ROOT = $(CURDIR)/../../..
 include $(XEN_ROOT)/tools/Rules.mk
 
 # Xen script dir and scripts to go there.
-XEN_SCRIPTS =
+XEN_SCRIPTS :=
 XEN_SCRIPTS += locking.sh
 XEN_SCRIPTS += block
 XEN_SCRIPTS += vif-bridge
 XEN_SCRIPTS += vif-ip
 XEN_SCRIPTS += qemu-ifup
 
-XEN_SCRIPT_DATA =
-XEN_RCD_PROG = rc.d/xencommons rc.d/xendomains rc.d/xen-watchdog 
rc.d/xendriverdomain
+XEN_SCRIPT_DATA :=
+XEN_RCD_PROG := rc.d/xencommons rc.d/xendomains rc.d/xen-watchdog 
rc.d/xendriverdomain
 
 .PHONY: all
 all:
 
-.PHONY: build
-build:
-
 .PHONY: install
 install: install-scripts install-rcd
 
diff --git a/tools/hotplug/common/Makefile b/tools/hotplug/common/Makefile
index ef48bfacc9..e8a8dbea6c 100644
--- a/tools/hotplug/common/Makefile
+++ b/tools/hotplug/common/Makefile
@@ -1,22 +1,19 @@
 XEN_ROOT = $(CURDIR)/../../..
 include $(XEN_ROOT)/tools/Rules.mk
 
-HOTPLUGPATH="hotplugpath.sh"
+HOTPLUGPATH := hotplugpath.sh
 
 # OS-independent hotplug scripts go in this directory
 
 # Xen scripts to go there.
-XEN_SCRIPTS =
-XEN_SCRIPT_DATA = $(HOTPLUGPATH)
+XEN_SCRIPTS :=
+XEN_SCRIPT_DATA := $(HOTPLUGPATH)
 
 genpath-target = $(call buildmakevars2file,$(HOTPLUGPATH))
 $(eval $(genpath-target))
 
 .PHONY: all
-all: build
-
-.PHONY: build
-build: $(HOTPLUGPATH)
+all: $(HOTPLUGPATH)
 
 .PHONY: install
 install: install-scripts
@@ -25,9 +22,8 @@ install: install-scripts
 uninstall: uninstall-scripts
 
 .PHONY: install-scripts
-install-scripts: build
-       [ -d $(DESTDIR)$(XEN_SCRIPT_DIR) ] || \
-               $(INSTALL_DIR) $(DESTDIR)$(XEN_SCRIPT_DIR)
+install-scripts: all
+       $(INSTALL_DIR) $(DESTDIR)$(XEN_SCRIPT_DIR)
        set -e; for i in $(XEN_SCRIPTS); \
           do \
           $(INSTALL_PROG) $$i $(DESTDIR)$(XEN_SCRIPT_DIR); \
-- 
Anthony PERARD