busybox: add a reworked implementation of menuconfig support, this time with a guard option that keeps all symbols at default values until an extra option is activated

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 39435

1 files changed, 184 insertions, 0 deletions

diff --git a/package/utils/busybox/config/init/Config.in b/package/utils/busybox/config/init/Config.in
new file mode 100644
index 0000000000..634207f7f9
--- /dev/null
+++ b/package/utils/busybox/config/init/Config.in
@@ -0,0 +1,184 @@
+# DO NOT EDIT. This file is generated from Config.src
+#
+# For a description of the syntax of this configuration file,
+# see scripts/kbuild/config-language.txt.
+#
+
+menu "Init Utilities"
+
+config BUSYBOX_CONFIG_BOOTCHARTD
+	bool "bootchartd"
+	default BUSYBOX_DEFAULT_BOOTCHARTD
+	help
+	  bootchartd is commonly used to profile the boot process
+	  for the purpose of speeding it up. In this case, it is started
+	  by the kernel as the init process. This is configured by adding
+	  the init=/sbin/bootchartd option to the kernel command line.
+
+	  It can also be used to monitor the resource usage of a specific
+	  application or the running system in general. In this case,
+	  bootchartd is started interactively by running bootchartd start
+	  and stopped using bootchartd stop.
+
+config BUSYBOX_CONFIG_FEATURE_BOOTCHARTD_BLOATED_HEADER
+	bool "Compatible, bloated header"
+	default BUSYBOX_DEFAULT_FEATURE_BOOTCHARTD_BLOATED_HEADER
+	depends on BUSYBOX_CONFIG_BOOTCHARTD
+	help
+	  Create extended header file compatible with "big" bootchartd.
+	  "Big" bootchartd is a shell script and it dumps some
+	  "convenient" info int the header, such as:
+	    title = Boot chart for `hostname` (`date`)
+	    system.uname = `uname -srvm`
+	    system.release = `cat /etc/DISTRO-release`
+	    system.cpu = `grep '^model name' /proc/cpuinfo | head -1` ($cpucount)
+	    system.kernel.options = `cat /proc/cmdline`
+	  This data is not mandatory for bootchart graph generation,
+	  and is considered bloat. Nevertheless, this option
+	  makes bootchartd applet to dump a subset of it.
+
+config BUSYBOX_CONFIG_FEATURE_BOOTCHARTD_CONFIG_FILE
+	bool "Support bootchartd.conf"
+	default BUSYBOX_DEFAULT_FEATURE_BOOTCHARTD_CONFIG_FILE
+	depends on BUSYBOX_CONFIG_BOOTCHARTD
+	help
+	  Enable reading and parsing of $PWD/bootchartd.conf
+	  and /etc/bootchartd.conf files.
+config BUSYBOX_CONFIG_HALT
+	bool "poweroff, halt, and reboot"
+	default BUSYBOX_DEFAULT_HALT
+	help
+	  Stop all processes and either halt, reboot, or power off the system.
+
+config BUSYBOX_CONFIG_FEATURE_CALL_TELINIT
+	bool "Call telinit on shutdown and reboot"
+	default BUSYBOX_DEFAULT_FEATURE_CALL_TELINIT
+	depends on BUSYBOX_CONFIG_HALT && !BUSYBOX_CONFIG_INIT
+	help
+	  Call an external program (normally telinit) to facilitate
+	  a switch to a proper runlevel.
+
+	  This option is only available if you selected halt and friends,
+	  but did not select init.
+
+config BUSYBOX_CONFIG_TELINIT_PATH
+	string "Path to telinit executable"
+	default BUSYBOX_DEFAULT_TELINIT_PATH
+	depends on BUSYBOX_CONFIG_FEATURE_CALL_TELINIT
+	help
+	  When busybox halt and friends have to call external telinit
+	  to facilitate proper shutdown, this path is to be used when
+	  locating telinit executable.
+config BUSYBOX_CONFIG_INIT
+	bool "init"
+	default BUSYBOX_DEFAULT_INIT
+	select BUSYBOX_CONFIG_FEATURE_SYSLOG
+	help
+	  init is the first program run when the system boots.
+
+config BUSYBOX_CONFIG_FEATURE_USE_INITTAB
+	bool "Support reading an inittab file"
+	default BUSYBOX_DEFAULT_FEATURE_USE_INITTAB
+	depends on BUSYBOX_CONFIG_INIT
+	help
+	  Allow init to read an inittab file when the system boot.
+
+config BUSYBOX_CONFIG_FEATURE_KILL_REMOVED
+	bool "Support killing processes that have been removed from inittab"
+	default BUSYBOX_DEFAULT_FEATURE_KILL_REMOVED
+	depends on BUSYBOX_CONFIG_FEATURE_USE_INITTAB
+	help
+	  When respawn entries are removed from inittab and a SIGHUP is
+	  sent to init, this option will make init kill the processes
+	  that have been removed.
+
+config BUSYBOX_CONFIG_FEATURE_KILL_DELAY
+	int "How long to wait between TERM and KILL (0 - send TERM only)" if FEATURE_KILL_REMOVED
+	range 0 1024
+	default BUSYBOX_DEFAULT_FEATURE_KILL_DELAY
+	depends on BUSYBOX_CONFIG_FEATURE_KILL_REMOVED
+	help
+	  With nonzero setting, init sends TERM, forks, child waits N
+	  seconds, sends KILL and exits. Setting it too high is unwise
+	  (child will hang around for too long and could actually kill
+	  the wrong process!)
+
+config BUSYBOX_CONFIG_FEATURE_INIT_SCTTY
+	bool "Run commands with leading dash with controlling tty"
+	default BUSYBOX_DEFAULT_FEATURE_INIT_SCTTY
+	depends on BUSYBOX_CONFIG_INIT
+	help
+	  If this option is enabled, init will try to give a controlling
+	  tty to any command which has leading hyphen (often it's "-/bin/sh").
+	  More precisely, init will do "ioctl(STDIN_FILENO, TIOCSCTTY, 0)".
+	  If device attached to STDIN_FILENO can be a ctty but is not yet
+	  a ctty for other session, it will become this process' ctty.
+	  This is not the traditional init behavour, but is often what you want
+	  in an embedded system where the console is only accessed during
+	  development or for maintenance.
+	  NB: using cttyhack applet may work better.
+
+config BUSYBOX_CONFIG_FEATURE_INIT_SYSLOG
+	bool "Enable init to write to syslog"
+	default BUSYBOX_DEFAULT_FEATURE_INIT_SYSLOG
+	depends on BUSYBOX_CONFIG_INIT
+
+config BUSYBOX_CONFIG_FEATURE_EXTRA_QUIET
+	bool "Be _extra_ quiet on boot"
+	default BUSYBOX_DEFAULT_FEATURE_EXTRA_QUIET
+	depends on BUSYBOX_CONFIG_INIT
+	help
+	  Prevent init from logging some messages to the console during boot.
+
+config BUSYBOX_CONFIG_FEATURE_INIT_COREDUMPS
+	bool "Support dumping core for child processes (debugging only)"
+	default BUSYBOX_DEFAULT_FEATURE_INIT_COREDUMPS
+	depends on BUSYBOX_CONFIG_INIT
+	help
+	  If this option is enabled and the file /.init_enable_core
+	  exists, then init will call setrlimit() to allow unlimited
+	  core file sizes. If this option is disabled, processes
+	  will not generate any core files.
+
+config BUSYBOX_CONFIG_FEATURE_INITRD
+	bool "Support running init from within an initrd (not initramfs)"
+	default BUSYBOX_DEFAULT_FEATURE_INITRD
+	depends on BUSYBOX_CONFIG_INIT
+	help
+	  Legacy support for running init under the old-style initrd. Allows
+	  the name linuxrc to act as init, and it doesn't assume init is PID 1.
+
+	  This does not apply to initramfs, which runs /init as PID 1 and
+	  requires no special support.
+
+config BUSYBOX_CONFIG_INIT_TERMINAL_TYPE
+	string "Initial terminal type"
+	default BUSYBOX_DEFAULT_INIT_TERMINAL_TYPE
+	depends on BUSYBOX_CONFIG_INIT
+	help
+	  This is the initial value set by init for the TERM environment
+	  variable. This variable is used by programs which make use of
+	  extended terminal capabilities.
+
+	  Note that on Linux, init attempts to detect serial terminal and
+	  sets TERM to "vt102" if one is found.
+config BUSYBOX_CONFIG_MESG
+	bool "mesg"
+	default BUSYBOX_DEFAULT_MESG
+	help
+	  Mesg controls access to your terminal by others. It is typically
+	  used to allow or disallow other users to write to your terminal
+
+config BUSYBOX_CONFIG_FEATURE_MESG_ENABLE_ONLY_GROUP
+	bool "Enable writing to tty only by group, not by everybody"
+	default BUSYBOX_DEFAULT_FEATURE_MESG_ENABLE_ONLY_GROUP
+	depends on BUSYBOX_CONFIG_MESG
+	help
+	  Usually, ttys are owned by group "tty", and "write" tool is
+	  setgid to this group. This way, "mesg y" only needs to enable
+	  "write by owning group" bit in tty mode.
+
+	  If you set this option to N, "mesg y" will enable writing
+	  by anybody at all. This is not recommended.
+
+endmenu