getty: add the ability to pass options to getty

Signed-off-by: Assaf Inbal <shmuelzon@gmail.com>
Acked-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

system/Config.in

@@ -244,6 +244,13 @@ config BR2_TARGET_GENERIC_GETTY_TERM
 	default "vt100"
 	help
 	  Specify a TERM type.
+
+config BR2_TARGET_GENERIC_GETTY_OPTIONS
+	string "other options to pass to getty"
+	default ""
+	help
+	  Any other flags you want to pass to getty,
+	  Refer to getty --help for details.
 endmenu
 endif
 

system/system.mk

@@ -5,6 +5,7 @@ TARGET_GENERIC_PASSWD_METHOD = $(call qstrip,$(BR2_TARGET_GENERIC_PASSWD_METHOD)
 TARGET_GENERIC_GETTY_PORT = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_PORT))
 TARGET_GENERIC_GETTY_BAUDRATE = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_BAUDRATE))
 TARGET_GENERIC_GETTY_TERM = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_TERM))
+TARGET_GENERIC_GETTY_OPTIONS = $(call qstrip,$(BR2_TARGET_GENERIC_GETTY_OPTIONS))
 
 target-generic-securetty:
 	grep -q '^$(TARGET_GENERIC_GETTY_PORT)$$' $(TARGET_DIR)/etc/securetty || \
@@ -29,13 +30,13 @@ target-root-passwd:
 	$(SED) "s,^root:[^:]*:,root:$$TARGET_GENERIC_ROOT_PASSWD_HASH:," $(TARGET_DIR)/etc/shadow
 
 target-generic-getty-busybox:
-	$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(TARGET_GENERIC_GETTY_PORT)::respawn:/sbin/getty -L $(TARGET_GENERIC_GETTY_PORT) $(TARGET_GENERIC_GETTY_BAUDRATE) $(TARGET_GENERIC_GETTY_TERM) #~' \
+	$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(TARGET_GENERIC_GETTY_PORT)::respawn:/sbin/getty -L $(TARGET_GENERIC_GETTY_OPTIONS) $(TARGET_GENERIC_GETTY_PORT) $(TARGET_GENERIC_GETTY_BAUDRATE) $(TARGET_GENERIC_GETTY_TERM) #~' \
 		$(TARGET_DIR)/etc/inittab
 
 # In sysvinit inittab, the "id" must not be longer than 4 bytes, so we
 # skip the "tty" part and keep only the remaining.
 target-generic-getty-sysvinit:
-	$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(shell echo $(TARGET_GENERIC_GETTY_PORT) | tail -c+4)::respawn:/sbin/getty -L $(TARGET_GENERIC_GETTY_PORT) $(TARGET_GENERIC_GETTY_BAUDRATE) $(TARGET_GENERIC_GETTY_TERM) #~' \
+	$(SED) '/# GENERIC_SERIAL$$/s~^.*#~$(shell echo $(TARGET_GENERIC_GETTY_PORT) | tail -c+4)::respawn:/sbin/getty -L $(TARGET_GENERIC_GETTY_OPTIONS) $(TARGET_GENERIC_GETTY_PORT) $(TARGET_GENERIC_GETTY_BAUDRATE) $(TARGET_GENERIC_GETTY_TERM) #~' \
 		$(TARGET_DIR)/etc/inittab
 
 # Find commented line, if any, and remove leading '#'s