Add enable flag for software pseudo RTC

Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>

Makefile.am

@@ -40,3 +40,8 @@ install-data-local:
 	$(LN_S) $(TEMPLATEDIR)/tmpfsrun $(DESTDIR)$(SVCDIR)/tmpfsrun
 	$(LN_S) $(TEMPLATEDIR)/tmpfsvar $(DESTDIR)$(SVCDIR)/tmpfsvar
 	$(LN_S) $(TEMPLATEDIR)/gcrond $(DESTDIR)$(SVCDIR)/gcrond
+if SWCLOCK
+	$(LN_S) $(TEMPLATEDIR)/swclock $(DESTDIR)$(SVCDIR)/swclock
+	$(LN_S) $(TEMPLATEDIR)/swclocksave $(DESTDIR)$(SVCDIR)/swclocksave@reboot
+	$(LN_S) $(TEMPLATEDIR)/swclocksave $(DESTDIR)$(SVCDIR)/swclocksave@shutdown
+endif

configure.ac

@@ -41,4 +41,13 @@ AC_CONFIG_FILES([scripts/modules_load.sh])
 
 AC_CONFIG_FILES([crontab/swclock])
 
+AC_ARG_ENABLE([swclock],
+	[AS_HELP_STRING([--enable-swclock], [Enable software pseudo RTC])],
+	[case "${enableval}" in
+	yes) AM_CONDITIONAL([SWCLOCK], [true]) ;;
+	no)  AM_CONDITIONAL([SWCLOCK], [false]) ;;
+	*) AC_MSG_ERROR([bad value ${enableval} for --enable-swclock]) ;;
+	esac],
+	[AM_CONDITIONAL([SWCLOCK], [false])])
+
 AC_OUTPUT([Makefile])

crontab/Makemodule.am

@@ -1,2 +1,6 @@
 crondir = @GCRONDIR@
-cron_DATA = crontab/swclock
+cron_DATA =
+
+if SWCLOCK
+cron_DATA += crontab/swclock
+endif

services/Makemodule.am

@@ -6,13 +6,16 @@ init_DATA += services/sysfs services/procfs services/tmpfs
 init_DATA += services/vfs services/ifrename services/ifcfg
 init_DATA += services/dhcpcd services/dhcpcdmaster services/unbound
 init_DATA += services/dnsmasq services/ifdown services/modules
-init_DATA += services/network services/hostapd services/swclock
-init_DATA += services/swclocksave services/nft services/sigkill
+init_DATA += services/network services/hostapd services/nft services/sigkill
 init_DATA += services/sshd services/sshd_keygen services/consolefont
 init_DATA += services/nginx services/usyslogd services/klogd
 init_DATA += services/gcrond services/mountusr
 init_DATA += services/tmpfsrun services/tmpfsvar
 
+if SWCLOCK
+init_DATA += services/swclock services/swclocksave
+endif
+
 EXTRA_DIST += services/sysinit services/vfs services/agetty services/hostname
 EXTRA_DIST += services/hwclock services/loopback services/klogd
 EXTRA_DIST += services/sync services/sysctl services/tmpfs