alsactl: add --with-alsactl-daemonswitch=FILE to the global configure.in

It may be useful to have the file location configurable.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

alsactl/90-alsa-restore.rules.in

@@ -2,7 +2,7 @@ ACTION=="add", SUBSYSTEM=="sound", KERNEL=="controlC*", KERNELS!="card*", GOTO="
 GOTO="alsa_restore_end"
 
 LABEL="alsa_restore_go"
-TEST!="/etc/alsa/state-daemon.conf", RUN+="@sbindir@/alsactl restore $attr{number}"
-TEST=="/etc/alsa/state-daemon.conf", RUN+="@sbindir@/alsactl nrestore $attr{number}"
+TEST!="@daemonswitch@", RUN+="@sbindir@/alsactl restore $attr{number}"
+TEST=="@daemonswitch@", RUN+="@sbindir@/alsactl nrestore $attr{number}"
 
 LABEL="alsa_restore_end"

alsactl/Makefile.am

@@ -36,7 +36,9 @@ install-data-hook:
 endif
 
 edit = \
-	$(SED) -r 's,@sbindir\@,$(sbindir),g' < $< > $@ || rm $@
+	$(SED) -r -e 's,@sbindir\@,$(sbindir),g' \
+		  -e 's,@daemonswitch\@,$(ALSACTL_DAEMONSWITCH),g' \
+							< $< > $@ || rm $@
 
 alsa-state.service: alsa-state.service.in
 	$(edit)

alsactl/alsa-restore.service.in

@@ -5,7 +5,7 @@
 
 [Unit]
 Description=Restore Sound Card State
-ConditionPathExists=!/etc/alsa/state-daemon.conf
+ConditionPathExists=!@daemonswitch@
 DefaultDependencies=no
 After=alsa-state.service
 Before=shutdown.target

alsactl/alsa-state.service.in

@@ -5,7 +5,7 @@
 
 [Unit]
 Description=Manage Sound Card State (restore and store)
-ConditionPathExists=/etc/alsa/state-daemon.conf
+ConditionPathExists=@daemonswitch@
 DefaultDependencies=no
 After=sysinit.target
 Before=shutdown.target

alsactl/alsa-store.service.in

@@ -5,7 +5,7 @@
 
 [Unit]
 Description=Store Sound Card State
-ConditionPathExists=!/etc/alsa/state-daemon.conf
+ConditionPathExists=!@daemonswitch@
 DefaultDependencies=no
 Before=shutdown.target
 

configure.in

@@ -328,6 +328,12 @@ AC_ARG_WITH([alsactl-pidfile-dir],
         [ALSACTL_PIDFILE_DIR="/var/run"])
 AC_SUBST(ALSACTL_PIDFILE_DIR)
 
+AC_ARG_WITH([alsactl-daemonswitch],
+        AS_HELP_STRING([--with-alsactl-daemonswitch=FILE], [File to test for the daemon mode]),
+        [ALSACTL_DAEMONSWITCH="$withval"],
+        [ALSACTL_DAEMONSWITCH="/etc/alsa/state-daemon.conf"])
+AC_SUBST(ALSACTL_DAEMONSWITCH)
+
 AC_OUTPUT(Makefile alsactl/Makefile alsactl/init/Makefile \
 	  alsamixer/Makefile amidi/Makefile amixer/Makefile \
 	  m4/Makefile po/Makefile.in \