Add support for disabling the Netlink plugin

Some vendors provide their own Netlink plugin to Finit.  This patch
makes it possible to disable the default netlink plugin from being
built.  However, even before this patch it was possible to overload
the plugin.  This just discards it from being built.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

configure.ac

@@ -53,6 +53,7 @@ AC_ARG_ENABLE(quiet,
         AS_HELP_STRING([--disable-quiet], [Disable quiet mode, default: silent after boot]))
 
 # Check for extra plugins to enable
+enable_all_plugins=auto
 AC_PLUGIN([alsa-utils], [no],  [Save and restore ALSA sound settings using alsactl])
 AC_PLUGIN([dbus],       [no],  [Setup and start system message bus, D-Bus])
 AC_PLUGIN([inetd-echo], [no],  [Inetd plugin: echo server, RFC862])
@@ -60,6 +61,7 @@ AC_PLUGIN([inetd-time], [no],  [Inetd plugin: time (rdate) server, RFC868])
 AC_PLUGIN([lost],       [no],  [Example HOOK_SVC_LOST plugin, very noisy as-is!])
 AC_PLUGIN([resolvconf], [no],  [Setup necessary files for resolvconf])
 AC_PLUGIN([x11-common], [no],  [Console setup (for X)])
+AC_PLUGIN([netlink],    [yes], [Basic netlink plugin for IFUP/IFDN and GW events. Can be replaced with externally built plugin that links with libnl or similar.])
 
 # Check for extra arguments or packages
 AC_ARG_WITH(fifo,

plugins/Makefile.am

@@ -5,8 +5,7 @@ AM_CPPFLAGS        += -DFINIT_FIFO=\"$(fifo)\" $(lite_CFLAGS)
 
 if STATIC
 noinst_LTLIBRARIES  = libplug.la
-libplug_la_SOURCES  = bootmisc.c hwclock.c initctl.c netlink.c pidfile.c	\
-		      tty.c urandom.c
+libplug_la_SOURCES  = bootmisc.c hwclock.c initctl.c pidfile.c tty.c urandom.c
 
 if BUILD_ALSA_UTILS_PLUGIN
 libplug_la_SOURCES += alsa-utils.c
@@ -28,13 +27,16 @@ if BUILD_LOST_PLUGIN
 libplug_la_SOURCES += lost.c
 endif
 
+if BUILD_NETLINK_PLUGIN
+libplug_la_SOURCES += netlink.c
+endif
+
 if BUILD_RESOLVCONF_PLUGIN
 libplug_la_SOURCES += resolvconf.c
 endif
 
 else
-pkglib_LTLIBRARIES  = bootmisc.la hwclock.la initctl.la netlink.la pidfile.la	\
-		      tty.la urandom.la
+pkglib_LTLIBRARIES  = bootmisc.la hwclock.la initctl.la pidfile.la tty.la urandom.la
 
 if BUILD_ALSA_UTILS_PLUGIN
 pkglib_LTLIBRARIES += alsa-utils.la
@@ -56,6 +58,10 @@ if BUILD_LOST_PLUGIN
 pkglib_LTLIBRARIES += lost.la
 endif
 
+if BUILD_NETLINK_PLUGIN
+pkglib_LTLIBRARIES += netlink.la
+endif
+
 if BUILD_RESOLVCONF_PLUGIN
 pkglib_LTLIBRARIES += resolvconf.la
 endif