lua: remove an unnecessary check and replace switch (GET_OPCODE(i)) as well (thx...

[openwrt.git] / package / busybox / config / Config.in

diff --git a/package/busybox/config/Config.in b/package/busybox/config/Config.in
index d288bfb..62b80d6 100644 (file)
--- a/package/busybox/config/Config.in
+++ b/package/busybox/config/Config.in
@@ -12,22 +12,6 @@ menu "Busybox Settings"
 
 menu "General Configuration"
 
 
 menu "General Configuration"
 

-config BUSYBOX_CONFIG_NITPICK
-       bool "See lots more (probably unnecessary) configuration options."
-       default n
-       help
-         Some BusyBox applets have more configuration options than anyone
-         will ever care about.  To avoid drowining people in complexity, most
-         of the applet features that can be set to a sane default value are
-         hidden, unless you hit the above switch.
-
-         This is better than to telling people to edit the busybox source
-         code, but not by much.
-
-         See http://en.wikipedia.org/wiki/Fibber_McGee_and_Molly#The_Closet
-
-         You have been warned.
-

 config BUSYBOX_CONFIG_DESKTOP
        bool "Enable options for full-blown desktop systems"
        default n
 config BUSYBOX_CONFIG_DESKTOP
        bool "Enable options for full-blown desktop systems"
        default n


@@ -36,10 +20,21 @@ config BUSYBOX_CONFIG_DESKTOP
          Select this only if you plan to use busybox on full-blown
          desktop machine with common Linux distro, not on an embedded box.
 
          Select this only if you plan to use busybox on full-blown
          desktop machine with common Linux distro, not on an embedded box.
 

+config BUSYBOX_CONFIG_FEATURE_ASSUME_UNICODE
+       bool "Assume that 1:1 char/glyph correspondence is not true"
+       default n
+       help
+         This makes various applets aware that one byte is not
+         one character on screen.
+
+         Busybox aims to eventually work correctly with Unicode displays.
+         Any older encodings are not guaranteed to work.
+         Probably by the time when busybox will be fully Unicode-clean,
+         other encodings will be mainly of historic interest.
+

 choice
        prompt "Buffer allocation policy"
        default BUSYBOX_CONFIG_FEATURE_BUFFERS_GO_ON_STACK
 choice
        prompt "Buffer allocation policy"
        default BUSYBOX_CONFIG_FEATURE_BUFFERS_GO_ON_STACK

-       depends on BUSYBOX_CONFIG_NITPICK

        help
          There are 3 ways BusyBox can handle buffer allocations:
          - Use malloc. This costs code size for the call to xmalloc.
        help
          There are 3 ways BusyBox can handle buffer allocations:
          - Use malloc. This costs code size for the call to xmalloc.


@@ -100,8 +95,7 @@ config BUSYBOX_CONFIG_FEATURE_INSTALLER
        help
          Enable 'busybox --install [-s]' support.  This will allow you to use
          busybox at runtime to create hard links or symlinks for all the
        help
          Enable 'busybox --install [-s]' support.  This will allow you to use
          busybox at runtime to create hard links or symlinks for all the

-         applets that are compiled into busybox.  This feature requires the
-         /proc filesystem.
+         applets that are compiled into busybox.

 
 config BUSYBOX_CONFIG_LOCALE_SUPPORT
        bool "Enable locale support (system needs locale for this to work)"
 
 config BUSYBOX_CONFIG_LOCALE_SUPPORT
        bool "Enable locale support (system needs locale for this to work)"


@@ -111,7 +105,7 @@ config BUSYBOX_CONFIG_LOCALE_SUPPORT
          busybox to support locale settings.
 
 config BUSYBOX_CONFIG_GETOPT_LONG
          busybox to support locale settings.
 
 config BUSYBOX_CONFIG_GETOPT_LONG

-       bool "Enable support for --long-options"
+       bool "Support for --long-options"

        default y
        help
          Enable this if you want busybox applets to use the gnu --long-option
        default y
        help
          Enable this if you want busybox applets to use the gnu --long-option


@@ -130,7 +124,6 @@ config BUSYBOX_CONFIG_FEATURE_DEVPTS
 config BUSYBOX_CONFIG_FEATURE_CLEAN_UP
        bool "Clean up all memory before exiting (usually not needed)"
        default n
 config BUSYBOX_CONFIG_FEATURE_CLEAN_UP
        bool "Clean up all memory before exiting (usually not needed)"
        default n

-       depends on BUSYBOX_CONFIG_NITPICK

        help
          As a size optimization, busybox normally exits without explicitly
          freeing dynamically allocated memory or closing files.  This saves
        help
          As a size optimization, busybox normally exits without explicitly
          freeing dynamically allocated memory or closing files.  This saves


@@ -140,6 +133,13 @@ config BUSYBOX_CONFIG_FEATURE_CLEAN_UP
          Don't enable this unless you have a really good reason to clean
          things up manually.
 
          Don't enable this unless you have a really good reason to clean
          things up manually.
 

+config BUSYBOX_CONFIG_FEATURE_PIDFILE
+       bool "Support writing pidfiles"
+       default y
+       help
+         This option makes some applets (e.g. crond, syslogd, inetd) write
+         a pidfile in /var/run. Some applications rely on them.
+

 config BUSYBOX_CONFIG_FEATURE_SUID
        bool "Support for SUID/SGID handling"
        default y
 config BUSYBOX_CONFIG_FEATURE_SUID
        bool "Support for SUID/SGID handling"
        default y


@@ -155,13 +155,6 @@ config BUSYBOX_CONFIG_FEATURE_SUID
          are login, passwd, su, ping, traceroute, crontab, dnsd, ipcrm, ipcs,
          and vlock.
 
          are login, passwd, su, ping, traceroute, crontab, dnsd, ipcrm, ipcs,
          and vlock.
 

-config BUSYBOX_CONFIG_FEATURE_SYSLOG
-       bool "Support for syslog"
-       default y
-       help
-         This option is auto-selected when you select any applet which may
-         send its output to syslog. You do not need to select it manually.
-

 config BUSYBOX_CONFIG_FEATURE_SUID_CONFIG
        bool "Runtime SUID/SGID configuration via /etc/busybox.conf"
        default n if BUSYBOX_CONFIG_FEATURE_SUID
 config BUSYBOX_CONFIG_FEATURE_SUID_CONFIG
        bool "Runtime SUID/SGID configuration via /etc/busybox.conf"
        default n if BUSYBOX_CONFIG_FEATURE_SUID


@@ -186,10 +179,10 @@ config BUSYBOX_CONFIG_FEATURE_SUID_CONFIG
 
          The file has to be owned by user root, group root and has to be
          writeable only by root:
 
          The file has to be owned by user root, group root and has to be
          writeable only by root:

-               (chown 0.0 /etc/busybox.conf; chmod 600 /etc/busybox.conf)
+               (chown 0.0 /etc/busybox.conf; chmod 600 /etc/busybox.conf)

          The busybox executable has to be owned by user root, group
          root and has to be setuid root for this to work:
          The busybox executable has to be owned by user root, group
          root and has to be setuid root for this to work:

-               (chown 0.0 /bin/busybox; chmod 4755 /bin/busybox)
+               (chown 0.0 /bin/busybox; chmod 4755 /bin/busybox)

 
          Robert 'sandman' Griebl has more information here:
          <url: http://www.softforge.de/bb/suid.html >.
 
          Robert 'sandman' Griebl has more information here:
          <url: http://www.softforge.de/bb/suid.html >.


@@ -202,14 +195,6 @@ config BUSYBOX_CONFIG_FEATURE_SUID_CONFIG_QUIET
          /etc/busybox.conf should be readable by the user needing the SUID, check
          this option to avoid users to be notified about missing permissions.
 
          /etc/busybox.conf should be readable by the user needing the SUID, check
          this option to avoid users to be notified about missing permissions.
 

-config BUSYBOX_CONFIG_FEATURE_HAVE_RPC
-       bool "RPC support"
-       default y
-       help
-         Select this if you have rpc support.
-         This automatically turns off all configuration options that rely
-         on RPC.
-

 config BUSYBOX_CONFIG_SELINUX
        bool "Support NSA Security Enhanced Linux"
        default n
 config BUSYBOX_CONFIG_SELINUX
        bool "Support NSA Security Enhanced Linux"
        default n


@@ -230,6 +215,20 @@ config BUSYBOX_CONFIG_SELINUX
 
          Most people will leave this set to 'N'.
 
 
          Most people will leave this set to 'N'.
 

+config BUSYBOX_CONFIG_FEATURE_PREFER_APPLETS
+       bool "exec prefers applets"
+       default y
+       help
+         This is an experimental option which directs applets about to
+         call 'exec' to try and find an applicable busybox applet before
+         searching the PATH. This is typically done by exec'ing
+         /proc/self/exe.
+         This may affect shell, find -exec, xargs and similar applets.
+         They will use applets even if /bin/<applet> -> busybox link
+         is missing (or is not a link to busybox). However, this causes
+         problems in chroot jails without mounted /proc and with ps/top
+         (command name can be shown as 'exe' for applets started this way).
+

 config BUSYBOX_CONFIG_BUSYBOX_EXEC_PATH
        string "Path to BusyBox executable"
        default "/proc/self/exe"
 config BUSYBOX_CONFIG_BUSYBOX_EXEC_PATH
        string "Path to BusyBox executable"
        default "/proc/self/exe"


@@ -240,6 +239,22 @@ config BUSYBOX_CONFIG_BUSYBOX_EXEC_PATH
          executable.  If you haven't got /proc, set this to wherever you
          want to run BusyBox from.
 
          executable.  If you haven't got /proc, set this to wherever you
          want to run BusyBox from.
 

+# These are auto-selected by other options
+
+config BUSYBOX_CONFIG_FEATURE_SYSLOG
+       bool "Support for logging to syslog"
+       default y
+       help
+         This option is auto-selected when you select any applet which may
+         send its output to syslog. You do not need to select it manually.
+
+config BUSYBOX_CONFIG_FEATURE_HAVE_RPC
+       bool "RPC support"
+       default y
+       help
+         This is automatically selected if any of enabled applets need it.
+         You do not need to select it manually.
+

 endmenu
 
 menu 'Build Options'
 endmenu
 
 menu 'Build Options'


@@ -258,44 +273,104 @@ config BUSYBOX_CONFIG_STATIC
 
          Most people will leave this set to 'N'.
 
 
          Most people will leave this set to 'N'.
 

-config BUSYBOX_CONFIG_BUILD_LIBBUSYBOX
-       bool "Build shared libbusybox"
+config BUSYBOX_CONFIG_PIE
+       bool "Build BusyBox as a position independent executable"
+       default n
+       depends on !BUSYBOX_CONFIG_STATIC
+       help
+         (TODO: what is it and why/when is it useful?)
+         Most people will leave this set to 'N'.
+
+config BUSYBOX_CONFIG_NOMMU
+       bool "Force NOMMU build"

        default n
        help
        default n
        help

-         Build a shared library libbusybox.so which contains all
-         libraries used inside busybox.
+         Busybox tries to detect whether architecture it is being
+         built against supports MMU or not. If this detection fails,
+         or if you want to build NOMMU version of busybox for testing,
+         you may force NOMMU build here.

 
 

-         This is an experimental feature intended to support the upcoming
-         "make standalone" mode.  Enabling it against the one big busybox
-         binary serves no purpose (and increases the size).  You should
-         almost certainly say "no" to this right now.
+         Most people will leave this set to 'N'.

 
 

-config BUSYBOX_CONFIG_FEATURE_FULL_LIBBUSYBOX
-       bool "Feature-complete libbusybox"
-       default n if !BUSYBOX_CONFIG_FEATURE_SHARED_BUSYBOX
-       depends on BUSYBOX_CONFIG_BUILD_LIBBUSYBOX
+# PIE can be made to work with BUILD_LIBBUSYBOX, but currently
+# build system does not support that
+config BUSYBOX_CONFIG_BUILD_LIBBUSYBOX
+       bool "Build shared libbusybox"
+       default n
+       depends on !BUSYBOX_CONFIG_FEATURE_PREFER_APPLETS && !BUSYBOX_CONFIG_PIE && !BUSYBOX_CONFIG_STATIC
+       help
+         Build a shared library libbusybox.so.N.N.N which contains all
+         busybox code.
+
+         This feature allows every applet to be built as a tiny
+         separate executable.  Enabling it for "one big busybox binary"
+         approach serves no purpose and increases code size.
+         You should almost certainly say "no" to this.
+
+### config FEATURE_FULL_LIBBUSYBOX
+###    bool "Feature-complete libbusybox"
+###    default n if !FEATURE_SHARED_BUSYBOX
+###    depends on BUILD_LIBBUSYBOX
+###    help
+###      Build a libbusybox with the complete feature-set, disregarding
+###      the actually selected config.
+###
+###      Normally, libbusybox will only contain the features which are
+###      used by busybox itself. If you plan to write a separate
+###      standalone application which uses libbusybox say 'Y'.
+###
+###      Note: libbusybox is GPL, not LGPL, and exports no stable API that
+###      might act as a copyright barrier.  We can and will modify the
+###      exported function set between releases (even minor version number
+###      changes), and happily break out-of-tree features.
+###
+###      Say 'N' if in doubt.
+
+config BUSYBOX_CONFIG_FEATURE_INDIVIDUAL
+       bool "Produce a binary for each applet, linked against libbusybox"
+       default n
+       depends on !BUSYBOX_CONFIG_STATIC && BUSYBOX_CONFIG_BUILD_LIBBUSYBOX

        help
        help

-         Build a libbusybox with the complete feature-set, disregarding
-         the actually selected config.
+         If your CPU architecture doesn't allow for sharing text/rodata
+         sections of running binaries, but allows for runtime dynamic
+         libraries, this option will allow you to reduce memory footprint
+         when you have many different applets running at once.

 
 

-         Normally, libbusybox will only contain the features which are
-         used by busybox itself. If you plan to write a separate
-         standalone application which uses libbusybox say 'Y'.
+         If your CPU architecture allows for sharing text/rodata,
+         having single binary is more optimal.

 
 

-         Note: libbusybox is GPL, not LGPL, and exports no stable API that
-         might act as a copyright barrier.  We can and will modify the
-         exported function set between releases (even minor version number
-         changes), and happily break out-of-tree features.
+         Each applet will be a tiny program, dynamically linked
+         against libbusybox.so.N.N.N.

 
 

-         Say 'N' if in doubt.
+         You need to have a working dynamic linker.

 
 config BUSYBOX_CONFIG_FEATURE_SHARED_BUSYBOX
 
 config BUSYBOX_CONFIG_FEATURE_SHARED_BUSYBOX

-       bool "Use shared libbusybox for busybox"
-       default n if BUSYBOX_CONFIG_BUILD_LIBBUSYBOX
+       bool "Produce additional busybox binary linked against libbusybox"
+       default n

        depends on !BUSYBOX_CONFIG_STATIC && BUSYBOX_CONFIG_BUILD_LIBBUSYBOX
        help
        depends on !BUSYBOX_CONFIG_STATIC && BUSYBOX_CONFIG_BUILD_LIBBUSYBOX
        help

-         Use libbusybox.so also for busybox itself.
-         You need to have a working dynamic linker to use this variant.
+         Build busybox, dynamically linked against libbusybox.so.N.N.N.
+
+         You need to have a working dynamic linker.
+
+### config BUILD_AT_ONCE
+###    bool "Compile all sources at once"
+###    default n
+###    help
+###      Normally each source-file is compiled with one invocation of
+###      the compiler.
+###      If you set this option, all sources are compiled at once.
+###      This gives the compiler more opportunities to optimize which can
+###      result in smaller and/or faster binaries.
+###
+###      Setting this option will consume alot of memory, e.g. if you
+###      enable all applets with all features, gcc uses more than 300MB
+###      RAM during compilation of busybox.
+###
+###      This option is most likely only beneficial for newer compilers
+###      such as gcc-4.1 and above.
+###
+###      Say 'N' unless you know what you are doing.

 
 config BUSYBOX_CONFIG_LFS
        bool
 
 config BUSYBOX_CONFIG_LFS
        bool


@@ -309,24 +384,15 @@ config BUSYBOX_CONFIG_LFS
          cp, mount, tar, and many others.  If you want to access files larger
          than 2 Gigabytes, enable this option.  Otherwise, leave it set to 'N'.
 
          cp, mount, tar, and many others.  If you want to access files larger
          than 2 Gigabytes, enable this option.  Otherwise, leave it set to 'N'.
 

-config BUSYBOX_CONFIG_BUILD_AT_ONCE
-       bool "Compile all sources at once"
-       default n
+config BUSYBOX_CONFIG_CROSS_COMPILER_PREFIX
+       string "Cross Compiler prefix"
+       default ""

        help
        help

-         Normally each source-file is compiled with one invocation of
-         the compiler.
-         If you set this option, all sources are compiled at once.
-         This gives the compiler more opportunities to optimize which can
-         result in smaller and/or faster binaries.
-
-         Setting this option will consume alot of memory, e.g. if you
-         enable all applets with all features, gcc uses more than 300MB
-         RAM during compilation of busybox.
-
-         This option is most likely only beneficial for newer compilers
-         such as gcc-4.1 and above.
-
-         Say 'N' unless you know what you are doing.
+         If you want to build BusyBox with a cross compiler, then you
+         will need to set this to the cross-compiler prefix, for example,
+         "i386-uclibc-". Note that CROSS_COMPILE environment variable
+         or "make CROSS_COMPILE=xxx ..." will override this selection.
+         For native build leave it empty.

 
 endmenu
 
 
 endmenu
 


@@ -354,10 +420,17 @@ config BUSYBOX_CONFIG_DEBUG_PESSIMIZE
          in a much bigger executable that more closely matches the source
          code.
 
          in a much bigger executable that more closely matches the source
          code.
 

+config BUSYBOX_CONFIG_WERROR
+       bool "Abort compilation on any warning"
+       default n
+       help
+         Selecting this will add -Werror to gcc command line.
+
+         Most people should answer N.
+

 choice
        prompt "Additional debugging library"
        default BUSYBOX_CONFIG_NO_DEBUG_LIB
 choice
        prompt "Additional debugging library"
        default BUSYBOX_CONFIG_NO_DEBUG_LIB

-       depends on BUSYBOX_CONFIG_DEBUG

        help
          Using an additional debugging library will make BusyBox become
          considerable larger and will cause it to run more slowly.  You
        help
          Using an additional debugging library will make BusyBox become
          considerable larger and will cause it to run more slowly.  You


@@ -417,31 +490,59 @@ config BUSYBOX_CONFIG_INSTALL_NO_USR
          that you really want this behaviour.
 
 choice
          that you really want this behaviour.
 
 choice

-       prompt "Applets links"
-       default BUSYBOX_CONFIG_INSTALL_APPLET_SYMLINKS
-       help
-         Choose how you install applets links.
+       prompt "Applets links"
+       default BUSYBOX_CONFIG_INSTALL_APPLET_SYMLINKS
+       help
+         Choose how you install applets links.

 
 config BUSYBOX_CONFIG_INSTALL_APPLET_SYMLINKS
 
 config BUSYBOX_CONFIG_INSTALL_APPLET_SYMLINKS

-       bool "as soft-links"
-       help
-         Install applets as soft-links to the busybox binary. This needs some
-         free inodes on the filesystem, but might help with filesystem
-         generators that can't cope with hard-links.
+       bool "as soft-links"
+       help
+         Install applets as soft-links to the busybox binary. This needs some
+         free inodes on the filesystem, but might help with filesystem
+         generators that can't cope with hard-links.

 
 config BUSYBOX_CONFIG_INSTALL_APPLET_HARDLINKS
 
 config BUSYBOX_CONFIG_INSTALL_APPLET_HARDLINKS

-       bool "as hard-links"
-       help
-         Install applets as hard-links to the busybox binary. This might count
-         on a filesystem with few inodes.
+       bool "as hard-links"
+       help
+         Install applets as hard-links to the busybox binary. This might count
+         on a filesystem with few inodes.
+
+config BUSYBOX_CONFIG_INSTALL_APPLET_SCRIPT_WRAPPERS
+       bool "as script wrappers"
+       help
+         Install applets as script wrappers that call the busybox binary.

 
 config BUSYBOX_CONFIG_INSTALL_APPLET_DONT
 
 config BUSYBOX_CONFIG_INSTALL_APPLET_DONT

-       bool
-       prompt "not installed"
-       depends on BUSYBOX_CONFIG_FEATURE_INSTALLER || BUSYBOX_CONFIG_FEATURE_SH_STANDALONE_SHELL
-       help
-         Do not install applet links. Useful when using the -install feature
-         or a standalone shell for rescue pruposes.
+       bool "not installed"
+       depends on BUSYBOX_CONFIG_FEATURE_INSTALLER || BUSYBOX_CONFIG_FEATURE_SH_STANDALONE || BUSYBOX_CONFIG_FEATURE_PREFER_APPLETS
+       help
+         Do not install applet links. Useful when using the -install feature
+         or a standalone shell for rescue purposes.
+
+endchoice
+
+choice
+       prompt "/bin/sh applet link"
+       default BUSYBOX_CONFIG_INSTALL_SH_APPLET_SYMLINK
+       depends on BUSYBOX_CONFIG_INSTALL_APPLET_SCRIPT_WRAPPERS
+       help
+         Choose how you install /bin/sh applet link.
+
+config BUSYBOX_CONFIG_INSTALL_SH_APPLET_SYMLINK
+       bool "as soft-link"
+       help
+         Install /bin/sh applet as soft-link to the busybox binary.
+
+config BUSYBOX_CONFIG_INSTALL_SH_APPLET_HARDLINK
+       bool "as hard-link"
+       help
+         Install /bin/sh applet as hard-link to the busybox binary.
+
+config BUSYBOX_CONFIG_INSTALL_SH_APPLET_SCRIPT_WRAPPER
+       bool "as script wrapper"
+       help
+         Install /bin/sh applet as script wrapper that call the busybox binary.

 
 endchoice
 
 
 endchoice
 


@@ -476,3 +577,5 @@ source package/busybox/config/procps/Config.in
 source package/busybox/config/shell/Config.in
 source package/busybox/config/sysklogd/Config.in
 source package/busybox/config/runit/Config.in
 source package/busybox/config/shell/Config.in
 source package/busybox/config/sysklogd/Config.in
 source package/busybox/config/runit/Config.in

+source package/busybox/config/selinux/Config.in
+source package/busybox/config/printutils/Config.in