[thirdparty/cups.git] / config-scripts / cups-defaults.m4

dnl
dnl "$Id: cups-defaults.m4 5804 2006-08-04 16:51:58Z mike $"
dnl
dnl   Default cupsd configuration settings for the Common UNIX Printing System
dnl   (CUPS).
dnl
dnl   Copyright 2006 by Easy Software Products, all rights reserved.
dnl
dnl   These coded instructions, statements, and computer programs are the
dnl   property of Easy Software Products and are protected by Federal
dnl   copyright law.  Distribution and use rights are outlined in the file
dnl   "LICENSE.txt" which should have been included with this file.  If this
dnl   file is missing or damaged please contact Easy Software Products
dnl   at:
dnl
dnl       Attn: CUPS Licensing Information
dnl       Easy Software Products
dnl       44141 Airport View Drive, Suite 204
dnl       Hollywood, Maryland 20636 USA
dnl
dnl       Voice: (301) 373-9600
dnl       EMail: cups-info@cups.org
dnl         WWW: http://www.cups.org
dnl

dnl Default langugages...
AC_ARG_WITH(languages, [  --with-languages        set installed languages, default="de es ja pl sv" ],
	if test "x$withval" != xno; then
		LANGUAGES="$withval"
	fi,
	LANGUAGES="de es ja pl sv")
AC_SUBST(LANGUAGES)

dnl Default ConfigFilePerm
AC_ARG_WITH(config_file_perm, [  --with-config-file-perm set default ConfigFilePerm value, default=0640],
	CUPS_CONFIG_FILE_PERM="$withval",
	if test "x$uname" = xDarwin; then
		CUPS_CONFIG_FILE_PERM="644"
	else
		CUPS_CONFIG_FILE_PERM="640"
	fi)
AC_SUBST(CUPS_CONFIG_FILE_PERM)
AC_DEFINE_UNQUOTED(CUPS_DEFAULT_CONFIG_FILE_PERM, 0$CUPS_CONFIG_FILE_PERM)

dnl Default LogFilePerm
AC_ARG_WITH(log_file_perm, [  --with-log-file-perm    set default LogFilePerm value, default=0644],
	CUPS_LOG_FILE_PERM="$withval",
	CUPS_LOG_FILE_PERM="644")
AC_SUBST(CUPS_LOG_FILE_PERM)
AC_DEFINE_UNQUOTED(CUPS_DEFAULT_LOG_FILE_PERM, 0$CUPS_LOG_FILE_PERM)

dnl Default Browsing
AC_ARG_ENABLE(browsing, [  --enable-browsing       enable Browsing by default, default=yes])
if test "x$enable_browsing" = xno; then
	CUPS_BROWSING="No"
	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_BROWSING, 0)
else
	CUPS_BROWSING="Yes"
	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_BROWSING, 1)
fi
AC_SUBST(CUPS_BROWSING)

dnl Default BrowseLocalProtocols
AC_ARG_WITH(local_protocols, [  --with-local-protocols  set default BrowseLocalProtocols, default="CUPS"],
	CUPS_BROWSE_LOCAL_PROTOCOLS="$withval",
	CUPS_BROWSE_LOCAL_PROTOCOLS="CUPS")
AC_SUBST(CUPS_BROWSE_LOCAL_PROTOCOLS)
AC_DEFINE_UNQUOTED(CUPS_DEFAULT_BROWSE_LOCAL_PROTOCOLS,
	"$CUPS_BROWSE_LOCAL_PROTOCOLS")

dnl Default BrowseRemoteProtocols
AC_ARG_WITH(remote_protocols, [  --with-remote-protocols set default BrowseRemoteProtocols, default="CUPS"],
	CUPS_BROWSE_REMOTE_PROTOCOLS="$withval",
	CUPS_BROWSE_REMOTE_PROTOCOLS="CUPS")
AC_SUBST(CUPS_BROWSE_REMOTE_PROTOCOLS)
AC_DEFINE_UNQUOTED(CUPS_DEFAULT_BROWSE_REMOTE_PROTOCOLS,
	"$CUPS_BROWSE_REMOTE_PROTOCOLS")

dnl Default BrowseShortNames
AC_ARG_ENABLE(browse_short, [  --enable-browse-short-names
                          enable BrowseShortNames by default, default=yes])
if test "x$enable_browse_short" = xno; then
	CUPS_BROWSE_SHORT_NAMES="No"
	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_BROWSE_SHORT_NAMES, 0)
else
	CUPS_BROWSE_SHORT_NAMES="Yes"
	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_BROWSE_SHORT_NAMES, 1)
fi
AC_SUBST(CUPS_BROWSE_SHORT_NAMES)

dnl Default DefaultShared
AC_ARG_ENABLE(default_shared, [  --enable-default-shared enable DefaultShared by default, default=yes])
if test "x$enable_default_shared" = xno; then
	CUPS_DEFAULT_SHARED="No"
	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_DEFAULT_SHARED, 0)
else
	CUPS_DEFAULT_SHARED="Yes"
	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_DEFAULT_SHARED, 1)
fi
AC_SUBST(CUPS_DEFAULT_SHARED)

dnl Default ImplicitClasses
AC_ARG_ENABLE(implicit, [  --enable-implicit-classes
                          enable ImplicitClasses by default, default=yes])
if test "x$enable_implicit" = xno; then
	CUPS_IMPLICIT_CLASSES="No"
	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_IMPLICIT_CLASSES, 0)
else
	CUPS_IMPLICIT_CLASSES="Yes"
	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_IMPLICIT_CLASSES, 1)
fi
AC_SUBST(CUPS_IMPLICIT_CLASSES)

dnl Default UseNetworkDefault
AC_ARG_ENABLE(network_default, [  --enable-use-network-default
                          enable UseNetworkDefault by default, default=auto])
if test "x$enable_network_default" != xno; then
	AC_MSG_CHECKING(whether to use network default printers)
	if test "x$enable_network_default" = xyes -o $uname != Darwin; then
		CUPS_USE_NETWORK_DEFAULT="Yes"
		AC_DEFINE_UNQUOTED(CUPS_DEFAULT_USE_NETWORK_DEFAULT, 1)
		AC_MSG_RESULT(yes)
	else
		CUPS_USE_NETWORK_DEFAULT="No"
		AC_DEFINE_UNQUOTED(CUPS_DEFAULT_USE_NETWORK_DEFAULT, 0)
		AC_MSG_RESULT(no)
	fi
else
	CUPS_USE_NETWORK_DEFAULT="No"
	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_USE_NETWORK_DEFAULT, 0)
fi
AC_SUBST(CUPS_USE_NETWORK_DEFAULT)

dnl Determine the correct username and group for this OS...
AC_ARG_WITH(cups_user, [  --with-cups-user        set default user for CUPS],
	CUPS_USER="$withval",
	AC_MSG_CHECKING(for default print user)
	if test -f /etc/passwd; then
		CUPS_USER=""
		for user in lp lpd guest daemon nobody; do
			if test "`grep \^${user}: /etc/passwd`" != ""; then
				CUPS_USER="$user"
				AC_MSG_RESULT($user)
				break;
			fi
		done

		if test x$CUPS_USER = x; then
			CUPS_USER="nobody"
			AC_MSG_RESULT(not found, using "$CUPS_USER")
		fi
	else
		CUPS_USER="nobody"
		AC_MSG_RESULT(no password file, using "$CUPS_USER")
	fi)

AC_ARG_WITH(cups_group, [  --with-cups-group       set default group for CUPS],
	CUPS_GROUP="$withval",
	AC_MSG_CHECKING(for default print group)
	if test -f /etc/group; then
		GROUP_LIST="lp nobody"
		CUPS_GROUP=""
		for group in $GROUP_LIST; do
			if test "`grep \^${group}: /etc/group`" != ""; then
				CUPS_GROUP="$group"
				AC_MSG_RESULT($group)
				break;
			fi
		done

		if test x$CUPS_GROUP = x; then
			CUPS_GROUP="nobody"
			AC_MSG_RESULT(not found, using "$CUPS_GROUP")
		fi
	else
		CUPS_GROUP="nobody"
		AC_MSG_RESULT(no group file, using "$CUPS_GROUP")
	fi)

AC_ARG_WITH(system_groups, [  --with-system-groups    set default system groups for CUPS],
	CUPS_SYSTEM_GROUPS="$withval",
	if test x$uname = xDarwin; then
		GROUP_LIST="admin"
	else
		GROUP_LIST="lpadmin sys system root"
	fi

	AC_MSG_CHECKING(for default system groups)
	if test -f /etc/group; then
		CUPS_SYSTEM_GROUPS=""
		for group in $GROUP_LIST; do
			if test "`grep \^${group}: /etc/group`" != ""; then
				if test "x$CUPS_SYSTEM_GROUPS" = x; then
					CUPS_SYSTEM_GROUPS="$group"
				else
					CUPS_SYSTEM_GROUPS="$CUPS_SYSTEM_GROUPS $group"
				fi
			fi
		done

		if test "x$CUPS_SYSTEM_GROUPS" = x; then
			CUPS_SYSTEM_GROUPS="$GROUP_LIST"
			AC_MSG_RESULT(no groups found, using "$CUPS_SYSTEM_GROUPS")
		else
			AC_MSG_RESULT("$CUPS_SYSTEM_GROUPS")
		fi
	else
		CUPS_SYSTEM_GROUPS="$GROUP_LIST"
		AC_MSG_RESULT(no group file, using "$CUPS_SYSTEM_GROUPS")
	fi)

CUPS_PRIMARY_SYSTEM_GROUP="`echo $CUPS_SYSTEM_GROUPS | awk '{print $1}'`"

AC_SUBST(CUPS_USER)
AC_SUBST(CUPS_GROUP)
AC_SUBST(CUPS_SYSTEM_GROUPS)
AC_SUBST(CUPS_PRIMARY_SYSTEM_GROUP)

AC_DEFINE_UNQUOTED(CUPS_DEFAULT_USER, "$CUPS_USER")
AC_DEFINE_UNQUOTED(CUPS_DEFAULT_GROUP, "$CUPS_GROUP")
AC_DEFINE_UNQUOTED(CUPS_DEFAULT_SYSTEM_GROUPS, "$CUPS_SYSTEM_GROUPS")

dnl Default printcap file...
AC_ARG_WITH(printcap, [  --with-printcap         set default printcap file],
	default_printcap="$withval",
	default_printcap="default")

if test x$enable_printcap != xno -a x$default_printcap != xno; then
	if test "x$default_printcap" = "xdefault"; then
		case $uname in
			Darwin*)
				if test $uversion -ge 90; then
					CUPS_DEFAULT_PRINTCAP=""
				else
					CUPS_DEFAULT_PRINTCAP="/etc/printcap"
				fi
				;;
			SunOS*)
				CUPS_DEFAULT_PRINTCAP="/etc/printers.conf"
				;;
			*)
				CUPS_DEFAULT_PRINTCAP="/etc/printcap"
				;;
		esac
	fi
else
	CUPS_DEFAULT_PRINTCAP=""
fi

AC_DEFINE_UNQUOTED(CUPS_DEFAULT_PRINTCAP, "$CUPS_DEFAULT_PRINTCAP")

dnl
dnl End of "$Id: cups-defaults.m4 5804 2006-08-04 16:51:58Z mike $".
dnl
Commit	Line	Data
	1	dnl
	2	dnl "$Id: cups-defaults.m4 5804 2006-08-04 16:51:58Z mike $"
	3	dnl
	4	dnl Default cupsd configuration settings for the Common UNIX Printing System
	5	dnl (CUPS).
	6	dnl
	7	dnl Copyright 2006 by Easy Software Products, all rights reserved.
	8	dnl
	9	dnl These coded instructions, statements, and computer programs are the
	10	dnl property of Easy Software Products and are protected by Federal
	11	dnl copyright law. Distribution and use rights are outlined in the file
	12	dnl "LICENSE.txt" which should have been included with this file. If this
	13	dnl file is missing or damaged please contact Easy Software Products
	14	dnl at:
	15	dnl
	16	dnl Attn: CUPS Licensing Information
	17	dnl Easy Software Products
	18	dnl 44141 Airport View Drive, Suite 204
	19	dnl Hollywood, Maryland 20636 USA
	20	dnl
	21	dnl Voice: (301) 373-9600
	22	dnl EMail: cups-info@cups.org
	23	dnl WWW: http://www.cups.org
	24	dnl
	25
	26	dnl Default langugages...
	27	AC_ARG_WITH(languages, [ --with-languages set installed languages, default="de es ja pl sv" ],
	28	if test "x$withval" != xno; then
	29	LANGUAGES="$withval"
	30	fi,
	31	LANGUAGES="de es ja pl sv")
	32	AC_SUBST(LANGUAGES)
	33
	34	dnl Default ConfigFilePerm
	35	AC_ARG_WITH(config_file_perm, [ --with-config-file-perm set default ConfigFilePerm value, default=0640],
	36	CUPS_CONFIG_FILE_PERM="$withval",
	37	if test "x$uname" = xDarwin; then
	38	CUPS_CONFIG_FILE_PERM="644"
	39	else
	40	CUPS_CONFIG_FILE_PERM="640"
	41	fi)
	42	AC_SUBST(CUPS_CONFIG_FILE_PERM)
	43	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_CONFIG_FILE_PERM, 0$CUPS_CONFIG_FILE_PERM)
	44
	45	dnl Default LogFilePerm
	46	AC_ARG_WITH(log_file_perm, [ --with-log-file-perm set default LogFilePerm value, default=0644],
	47	CUPS_LOG_FILE_PERM="$withval",
	48	CUPS_LOG_FILE_PERM="644")
	49	AC_SUBST(CUPS_LOG_FILE_PERM)
	50	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_LOG_FILE_PERM, 0$CUPS_LOG_FILE_PERM)
	51
	52	dnl Default Browsing
	53	AC_ARG_ENABLE(browsing, [ --enable-browsing enable Browsing by default, default=yes])
	54	if test "x$enable_browsing" = xno; then
	55	CUPS_BROWSING="No"
	56	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_BROWSING, 0)
	57	else
	58	CUPS_BROWSING="Yes"
	59	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_BROWSING, 1)
	60	fi
	61	AC_SUBST(CUPS_BROWSING)
	62
	63	dnl Default BrowseLocalProtocols
	64	AC_ARG_WITH(local_protocols, [ --with-local-protocols set default BrowseLocalProtocols, default="CUPS"],
	65	CUPS_BROWSE_LOCAL_PROTOCOLS="$withval",
	66	CUPS_BROWSE_LOCAL_PROTOCOLS="CUPS")
	67	AC_SUBST(CUPS_BROWSE_LOCAL_PROTOCOLS)
	68	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_BROWSE_LOCAL_PROTOCOLS,
	69	"$CUPS_BROWSE_LOCAL_PROTOCOLS")
	70
	71	dnl Default BrowseRemoteProtocols
	72	AC_ARG_WITH(remote_protocols, [ --with-remote-protocols set default BrowseRemoteProtocols, default="CUPS"],
	73	CUPS_BROWSE_REMOTE_PROTOCOLS="$withval",
	74	CUPS_BROWSE_REMOTE_PROTOCOLS="CUPS")
	75	AC_SUBST(CUPS_BROWSE_REMOTE_PROTOCOLS)
	76	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_BROWSE_REMOTE_PROTOCOLS,
	77	"$CUPS_BROWSE_REMOTE_PROTOCOLS")
	78
	79	dnl Default BrowseShortNames
	80	AC_ARG_ENABLE(browse_short, [ --enable-browse-short-names
	81	enable BrowseShortNames by default, default=yes])
	82	if test "x$enable_browse_short" = xno; then
	83	CUPS_BROWSE_SHORT_NAMES="No"
	84	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_BROWSE_SHORT_NAMES, 0)
	85	else
	86	CUPS_BROWSE_SHORT_NAMES="Yes"
	87	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_BROWSE_SHORT_NAMES, 1)
	88	fi
	89	AC_SUBST(CUPS_BROWSE_SHORT_NAMES)
	90
	91	dnl Default DefaultShared
	92	AC_ARG_ENABLE(default_shared, [ --enable-default-shared enable DefaultShared by default, default=yes])
	93	if test "x$enable_default_shared" = xno; then
	94	CUPS_DEFAULT_SHARED="No"
	95	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_DEFAULT_SHARED, 0)
	96	else
	97	CUPS_DEFAULT_SHARED="Yes"
	98	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_DEFAULT_SHARED, 1)
	99	fi
	100	AC_SUBST(CUPS_DEFAULT_SHARED)
	101
	102	dnl Default ImplicitClasses
	103	AC_ARG_ENABLE(implicit, [ --enable-implicit-classes
	104	enable ImplicitClasses by default, default=yes])
	105	if test "x$enable_implicit" = xno; then
	106	CUPS_IMPLICIT_CLASSES="No"
	107	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_IMPLICIT_CLASSES, 0)
	108	else
	109	CUPS_IMPLICIT_CLASSES="Yes"
	110	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_IMPLICIT_CLASSES, 1)
	111	fi
	112	AC_SUBST(CUPS_IMPLICIT_CLASSES)
	113
	114	dnl Default UseNetworkDefault
	115	AC_ARG_ENABLE(network_default, [ --enable-use-network-default
	116	enable UseNetworkDefault by default, default=auto])
	117	if test "x$enable_network_default" != xno; then
	118	AC_MSG_CHECKING(whether to use network default printers)
	119	if test "x$enable_network_default" = xyes -o $uname != Darwin; then
	120	CUPS_USE_NETWORK_DEFAULT="Yes"
	121	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_USE_NETWORK_DEFAULT, 1)
	122	AC_MSG_RESULT(yes)
	123	else
	124	CUPS_USE_NETWORK_DEFAULT="No"
	125	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_USE_NETWORK_DEFAULT, 0)
	126	AC_MSG_RESULT(no)
	127	fi
	128	else
	129	CUPS_USE_NETWORK_DEFAULT="No"
	130	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_USE_NETWORK_DEFAULT, 0)
	131	fi
	132	AC_SUBST(CUPS_USE_NETWORK_DEFAULT)
	133
	134	dnl Determine the correct username and group for this OS...
	135	AC_ARG_WITH(cups_user, [ --with-cups-user set default user for CUPS],
	136	CUPS_USER="$withval",
	137	AC_MSG_CHECKING(for default print user)
	138	if test -f /etc/passwd; then
	139	CUPS_USER=""
	140	for user in lp lpd guest daemon nobody; do
	141	if test "`grep \^${user}: /etc/passwd`" != ""; then
	142	CUPS_USER="$user"
	143	AC_MSG_RESULT($user)
	144	break;
	145	fi
	146	done
	147
	148	if test x$CUPS_USER = x; then
	149	CUPS_USER="nobody"
	150	AC_MSG_RESULT(not found, using "$CUPS_USER")
	151	fi
	152	else
	153	CUPS_USER="nobody"
	154	AC_MSG_RESULT(no password file, using "$CUPS_USER")
	155	fi)
	156
	157	AC_ARG_WITH(cups_group, [ --with-cups-group set default group for CUPS],
	158	CUPS_GROUP="$withval",
	159	AC_MSG_CHECKING(for default print group)
	160	if test -f /etc/group; then
	161	GROUP_LIST="lp nobody"
	162	CUPS_GROUP=""
	163	for group in $GROUP_LIST; do
	164	if test "`grep \^${group}: /etc/group`" != ""; then
	165	CUPS_GROUP="$group"
	166	AC_MSG_RESULT($group)
	167	break;
	168	fi
	169	done
	170
	171	if test x$CUPS_GROUP = x; then
	172	CUPS_GROUP="nobody"
	173	AC_MSG_RESULT(not found, using "$CUPS_GROUP")
	174	fi
	175	else
	176	CUPS_GROUP="nobody"
	177	AC_MSG_RESULT(no group file, using "$CUPS_GROUP")
	178	fi)
	179
	180	AC_ARG_WITH(system_groups, [ --with-system-groups set default system groups for CUPS],
	181	CUPS_SYSTEM_GROUPS="$withval",
	182	if test x$uname = xDarwin; then
	183	GROUP_LIST="admin"
	184	else
	185	GROUP_LIST="lpadmin sys system root"
	186	fi
	187
	188	AC_MSG_CHECKING(for default system groups)
	189	if test -f /etc/group; then
	190	CUPS_SYSTEM_GROUPS=""
	191	for group in $GROUP_LIST; do
	192	if test "`grep \^${group}: /etc/group`" != ""; then
	193	if test "x$CUPS_SYSTEM_GROUPS" = x; then
	194	CUPS_SYSTEM_GROUPS="$group"
	195	else
	196	CUPS_SYSTEM_GROUPS="$CUPS_SYSTEM_GROUPS $group"
	197	fi
	198	fi
	199	done
	200
	201	if test "x$CUPS_SYSTEM_GROUPS" = x; then
	202	CUPS_SYSTEM_GROUPS="$GROUP_LIST"
	203	AC_MSG_RESULT(no groups found, using "$CUPS_SYSTEM_GROUPS")
	204	else
	205	AC_MSG_RESULT("$CUPS_SYSTEM_GROUPS")
	206	fi
	207	else
	208	CUPS_SYSTEM_GROUPS="$GROUP_LIST"
	209	AC_MSG_RESULT(no group file, using "$CUPS_SYSTEM_GROUPS")
	210	fi)
	211
	212	CUPS_PRIMARY_SYSTEM_GROUP="`echo $CUPS_SYSTEM_GROUPS \| awk '{print $1}'`"
	213
	214	AC_SUBST(CUPS_USER)
	215	AC_SUBST(CUPS_GROUP)
	216	AC_SUBST(CUPS_SYSTEM_GROUPS)
	217	AC_SUBST(CUPS_PRIMARY_SYSTEM_GROUP)
	218
	219	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_USER, "$CUPS_USER")
	220	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_GROUP, "$CUPS_GROUP")
	221	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_SYSTEM_GROUPS, "$CUPS_SYSTEM_GROUPS")
	222
	223	dnl Default printcap file...
	224	AC_ARG_WITH(printcap, [ --with-printcap set default printcap file],
	225	default_printcap="$withval",
	226	default_printcap="default")
	227
	228	if test x$enable_printcap != xno -a x$default_printcap != xno; then
	229	if test "x$default_printcap" = "xdefault"; then
	230	case $uname in
	231	Darwin*)
	232	if test $uversion -ge 90; then
	233	CUPS_DEFAULT_PRINTCAP=""
	234	else
	235	CUPS_DEFAULT_PRINTCAP="/etc/printcap"
	236	fi
	237	;;
	238	SunOS*)
	239	CUPS_DEFAULT_PRINTCAP="/etc/printers.conf"
	240	;;
	241	*)
	242	CUPS_DEFAULT_PRINTCAP="/etc/printcap"
	243	;;
	244	esac
	245	fi
	246	else
	247	CUPS_DEFAULT_PRINTCAP=""
	248	fi
	249
	250	AC_DEFINE_UNQUOTED(CUPS_DEFAULT_PRINTCAP, "$CUPS_DEFAULT_PRINTCAP")
	251
	252	dnl
	253	dnl End of "$Id: cups-defaults.m4 5804 2006-08-04 16:51:58Z mike $".
	254	dnl