Update buildroot to 2020.11.1 (#1135)

Signed-off-by: Stefan Agner <stefan@agner.ch>

buildroot/package/dhcpcd/dhcpcd.mk

@@ -11,6 +11,18 @@ DHCPCD_DEPENDENCIES = host-pkgconf
 DHCPCD_LICENSE = BSD-2-Clause
 DHCPCD_LICENSE_FILES = LICENSE
 
+DHCPCD_CONFIG_OPTS = \
+	--libexecdir=/lib/dhcpcd \
+	--os=linux \
+	--privsepuser=dhcpcd
+
+ifeq ($(BR2_PACKAGE_HAS_UDEV),y)
+DHCPCD_CONFIG_OPTS += --with-udev
+DHCPCD_DEPENDENCIES += udev
+else
+DHCPCD_CONFIG_OPTS += --without-udev
+endif
+
 ifeq ($(BR2_STATIC_LIBS),y)
 DHCPCD_CONFIG_OPTS += --enable-static
 endif
@@ -20,16 +32,11 @@ DHCPCD_CONFIG_OPTS += --disable-fork --disable-privsep
 endif
 
 define DHCPCD_CONFIGURE_CMDS
-	(cd $(@D); \
-	$(TARGET_CONFIGURE_OPTS) ./configure \
-		--os=linux \
-		--libexecdir=/lib/dhcpcd \
-		$(DHCPCD_CONFIG_OPTS) )
+	(cd $(@D); $(TARGET_CONFIGURE_OPTS) ./configure $(DHCPCD_CONFIG_OPTS))
 endef
 
 define DHCPCD_BUILD_CMDS
-	$(TARGET_MAKE_ENV) $(MAKE) \
-		-C $(@D) all
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) all
 endef
 
 define DHCPCD_INSTALL_TARGET_CMDS
@@ -51,6 +58,10 @@ define DHCPCD_INSTALL_INIT_SYSTEMD
 endef
 endif
 
+define DHCPCD_USERS
+	dhcpcd -1 dhcpcd -1 * - - - dhcpcd user
+endef
+
 # NOTE: Even though this package has a configure script, it is not generated
 # using the autotools, so we have to use the generic package infrastructure.