sane-backends: use macros (properly), remove chmod

- use $(INSTALL_DIR) instead of mkdir
- using $(INSTALL_CONF) and then running chmod is pointless, use
  $(INSTALL_DATA) directly
- /etc/xinetd.d/sane-port doesn't need read protection from non-root
  users, use $(INSTALL_DATA) as well

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>

utils/sane-backends/Makefile

@@ -187,13 +187,13 @@ CONFIGURE_VARS += \
     ac_cv_func_mmap_fixed_mapped="yes"
 
 define Build/Configure
-	mkdir -p $(PKG_BUILD_DIR)/backend/.libs
+	$(INSTALL_DIR) $(PKG_BUILD_DIR)/backend/.libs
 	$(Build/Configure/Default)
 endef
 
 define Build/Install
 	$(call Build/Install/Default)
-	mkdir -p $(PKG_INSTALL_DIR)/usr/share/sane
+	$(INSTALL_DIR) $(PKG_INSTALL_DIR)/usr/share/sane
 	cd $(PKG_BUILD_DIR)/doc/descriptions && for file in *.desc; do \
 		sed -rn -e '/^:usbid[[:blank:]]+"?0x(....)"?[[:blank:]]+"?0x(....)"?.*/{s//\1 \2/;p}' $$$$file | \
 			sort -u > $(PKG_INSTALL_DIR)/usr/share/sane/$$$${file/\.desc/}.usbid; \
@@ -207,8 +207,7 @@ define Package/libsane/install
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libsane.so.* $(1)/usr/lib/
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/sane/libsane-dll.so.* $(1)/usr/lib/sane/
 	$(INSTALL_DIR) $(1)/etc/sane.d/dll.d
-	$(INSTALL_CONF) $(PKG_INSTALL_DIR)/etc/sane.d/dll.conf $(1)/etc/sane.d/
-	chmod 0644 $(1)/etc/sane.d/dll.conf
+	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/etc/sane.d/dll.conf $(1)/etc/sane.d/
 endef
 
 define Package/libsane/conffiles
@@ -217,14 +216,13 @@ endef
 
 define Package/sane-daemon/install
 	$(INSTALL_DIR) $(1)/etc/sane.d
-	$(INSTALL_CONF) $(PKG_INSTALL_DIR)/etc/sane.d/saned.conf $(1)/etc/sane.d/
-	chmod 0644 $(1)/etc/sane.d/saned.conf
+	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/etc/sane.d/saned.conf $(1)/etc/sane.d/
 	$(INSTALL_DIR) $(1)/usr/sbin
 	$(INSTALL_BIN) ./files/saned.sbin $(1)/usr/sbin/saned
 	$(INSTALL_DIR) $(1)/usr/lib/sane/
 	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/saned $(1)/usr/lib/sane/saned
 	$(INSTALL_DIR) $(1)/etc/xinetd.d
-	$(INSTALL_CONF) ./files/saned.xinetd $(1)/etc/xinetd.d/sane-port
+	$(INSTALL_DATA) ./files/saned.xinetd $(1)/etc/xinetd.d/sane-port
 	$(INSTALL_DIR) $(1)/etc/hotplug.d/usb/
 	$(INSTALL_BIN) ./files/saned.hotplug $(1)/etc/hotplug.d/usb/20-saned
 endef
@@ -274,8 +272,7 @@ This package contains the SANE backend for $(2).
   define Package/sane-$(1)/install
 	if [ -f "$(PKG_INSTALL_DIR)/etc/sane.d/$(1).conf" ]; then \
 		$(INSTALL_DIR) $$(1)/etc/sane.d ; \
-		$(INSTALL_CONF) $(PKG_INSTALL_DIR)/etc/sane.d/$(1).conf $$(1)/etc/sane.d/ ; \
-	        chmod 0644 $$(1)/etc/sane.d/$(1).conf ; \
+		$(INSTALL_DATA) $(PKG_INSTALL_DIR)/etc/sane.d/$(1).conf $$(1)/etc/sane.d/ ; \
 	fi ; \
 	$(INSTALL_DIR) $$(1)/usr/lib/sane ; \
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/sane/libsane-$(1).so.* $$(1)/usr/lib/sane/ ; \