[PATCH 2/9] mark Linux-specific configuration options
Tito
farmatito at tiscali.it
Wed Jul 28 21:54:50 UTC 2010
On Wednesday 28 July 2010 23:41:15 Tito wrote:
> On Wednesday 28 July 2010 23:03:11 Jeremie Koenig wrote:
> > PLATFORM_LINUX is used as a dependency for applets or features
> > which require Linux-specific interfaces.
> >
> > Signed-off-by: Jeremie Koenig <jk at jk.fr.eu.org>
> > Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
> > ---
> > Config.in | 12 ++++++++++++
> > console-tools/Config.src | 13 +++++++++++++
> > coreutils/Config.src | 2 ++
> > coreutils/date.c | 2 +-
> > e2fsprogs/Config.src | 1 +
> > init/Config.src | 2 ++
> > init/bootchartd.c | 1 +
> > libbb/Config.src | 1 +
> > loginutils/Config.src | 3 +++
> > miscutils/Config.src | 19 ++++++++++++++++++-
> > miscutils/conspy.c | 1 +
> > miscutils/ubi_attach_detach.c | 2 ++
> > modutils/Config.src | 1 +
> > networking/Config.src | 23 ++++++++++++++++++++++-
> > networking/udhcp/Config.src | 2 ++
> > procps/Config.src | 4 +++-
> > shell/cttyhack.c | 1 +
> > sysklogd/Config.src | 1 +
> > util-linux/Config.src | 27 +++++++++++++++++++++++++++
> > 19 files changed, 114 insertions(+), 4 deletions(-)
> >
> > diff --git a/Config.in b/Config.in
> > index eebc977..35f43b3 100644
> > --- a/Config.in
> > +++ b/Config.in
> > @@ -47,6 +47,17 @@ config USE_PORTABLE_CODE
> > compiler other than gcc.
> > If you do use gcc, this option may needlessly increase code size.
> >
> > +config PLATFORM_LINUX
> > + bool "Enable Linux-specific applets and features"
> > + default y
> > + help
> > + For the most part, busybox requires only POSIX compatibility
> > + from the target system, but some applets and features use
> > + Linux-specific interfaces.
> > +
> > + Answering 'N' here will disable such applets and hide the
> > + corresponding configuration options.
> > +
> > choice
> > prompt "Buffer allocation policy"
> > default FEATURE_BUFFERS_USE_MALLOC
> > @@ -353,6 +364,7 @@ config FEATURE_SUID_CONFIG_QUIET
> > config SELINUX
> > bool "Support NSA Security Enhanced Linux"
> > default n
> > + depends on PLATFORM_LINUX
> > help
> > Enable support for SELinux in applets ls, ps, and id. Also provide
> > the option of compiling in SELinux applets.
> > diff --git a/console-tools/Config.src b/console-tools/Config.src
> > index 6e3191a..cdb2680 100644
> > --- a/console-tools/Config.src
> > +++ b/console-tools/Config.src
> > @@ -10,6 +10,7 @@ INSERT
> > config CHVT
> > bool "chvt"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > This program is used to change to another terminal.
> > Example: chvt 4 (change to terminal /dev/tty4)
> > @@ -17,6 +18,7 @@ config CHVT
> > config FGCONSOLE
> > bool "fgconsole"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > This program prints active (foreground) console number.
> >
> > @@ -29,12 +31,14 @@ config CLEAR
> > config DEALLOCVT
> > bool "deallocvt"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > This program deallocates unused virtual consoles.
> >
> > config DUMPKMAP
> > bool "dumpkmap"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > This program dumps the kernel's keyboard translation table to
> > stdout, in binary format. You can then use loadkmap to load it.
> > @@ -42,18 +46,21 @@ config DUMPKMAP
> > config KBD_MODE
> > bool "kbd_mode"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > This program reports and sets keyboard mode.
> >
> > config LOADFONT
> > bool "loadfont"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > This program loads a console font from standard input.
> >
> > config LOADKMAP
> > bool "loadkmap"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > This program loads a keyboard translation table from
> > standard input.
> > @@ -61,6 +68,7 @@ config LOADKMAP
> > config OPENVT
> > bool "openvt"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > This program is used to start a command on an unused
> > virtual terminal.
> > @@ -92,6 +100,7 @@ config FEATURE_RESIZE_PRINT
> > config SETCONSOLE
> > bool "setconsole"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > This program redirects the system console to another device,
> > like the current tty while logged in via telnet.
> > @@ -106,6 +115,7 @@ config FEATURE_SETCONSOLE_LONG_OPTIONS
> > config SETFONT
> > bool "setfont"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Allows to load console screen map. Useful for i18n.
> >
> > @@ -127,6 +137,7 @@ config DEFAULT_SETFONT_DIR
> > config SETKEYCODES
> > bool "setkeycodes"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > This program loads entries into the kernel's scancode-to-keycode
> > map, allowing unusual keyboards to generate usable keycodes.
> > @@ -134,12 +145,14 @@ config SETKEYCODES
> > config SETLOGCONS
> > bool "setlogcons"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > This program redirects the output console of kernel messages.
> >
> > config SHOWKEY
> > bool "showkey"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Shows keys pressed.
> >
> > diff --git a/coreutils/Config.src b/coreutils/Config.src
> > index d4c9e05..780b73f 100644
> > --- a/coreutils/Config.src
> > +++ b/coreutils/Config.src
> > @@ -591,6 +591,7 @@ config FEATURE_SPLIT_FANCY
> > config STAT
> > bool "stat"
> > default y
> > + depends on PLATFORM_LINUX # statfs()
> > help
> > display file or filesystem status.
> >
> > @@ -606,6 +607,7 @@ config FEATURE_STAT_FORMAT
> > config STTY
> > bool "stty"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > stty is used to change and print terminal line settings.
> >
> > diff --git a/coreutils/date.c b/coreutils/date.c
> > index c737f09..cb41724 100644
> > --- a/coreutils/date.c
> > +++ b/coreutils/date.c
> > @@ -72,7 +72,7 @@
> > //config:config FEATURE_DATE_NANO
> > //config: bool "Support %[num]N nanosecond format specifier"
> > //config: default n
> > -//config: depends on DATE
> > +//config: depends on DATE && PLATFORM_LINUX # syscall(__NR_clock_gettime)
> > //config: help
> > //config: Support %[num]N format specifier. Adds ~250 bytes of code.
> > //config:
> > diff --git a/e2fsprogs/Config.src b/e2fsprogs/Config.src
> > index 62bc810..6043e9b 100644
> > --- a/e2fsprogs/Config.src
> > +++ b/e2fsprogs/Config.src
> > @@ -33,6 +33,7 @@ config FSCK
> > config LSATTR
> > bool "lsattr"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > lsattr lists the file attributes on a second extended file system.
> >
> > diff --git a/init/Config.src b/init/Config.src
> > index 590e298..a5e76be 100644
> > --- a/init/Config.src
> > +++ b/init/Config.src
> > @@ -10,6 +10,7 @@ INSERT
> > config INIT
> > bool "init"
> > default y
> > + depends on PLATFORM_LINUX
> > select FEATURE_SYSLOG
> > help
> > init is the first program run when the system boots.
> > @@ -92,6 +93,7 @@ config FEATURE_INITRD
> > config HALT
> > bool "poweroff, halt, and reboot"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Stop all processes and either halt, reboot, or power off the system.
> >
> > diff --git a/init/bootchartd.c b/init/bootchartd.c
> > index dae2fe6..a1c0164 100644
> > --- a/init/bootchartd.c
> > +++ b/init/bootchartd.c
> > @@ -6,6 +6,7 @@
> > //config:config BOOTCHARTD
> > //config: bool "bootchartd"
> > //config: default y
> > +//config: depends on PLATFORM_LINUX
> > //config: help
> > //config: bootchartd is commonly used to profile the boot process
> > //config: for the purpose of speeding it up. In this case, it is started
> > diff --git a/libbb/Config.src b/libbb/Config.src
> > index 09bf892..9b01757 100644
> > --- a/libbb/Config.src
> > +++ b/libbb/Config.src
> > @@ -153,6 +153,7 @@ config FEATURE_COPYBUF_KB
> > config MONOTONIC_SYSCALL
> > bool "Use clock_gettime(CLOCK_MONOTONIC) syscall"
> > default n
> > + depends on PLATFORM_LINUX
> > help
> > Use clock_gettime(CLOCK_MONOTONIC) syscall for measuring
> > time intervals (time, ping, traceroute etc need this).
> > diff --git a/loginutils/Config.src b/loginutils/Config.src
> > index 5d497c4..425d041 100644
> > --- a/loginutils/Config.src
> > +++ b/loginutils/Config.src
> > @@ -179,6 +179,7 @@ config DELUSER
> > config GETTY
> > bool "getty"
> > default y
> > + depends on PLATFORM_LINUX
> > select FEATURE_SYSLOG
> > help
> > getty lets you log in on a tty, it is normally invoked by init.
> > @@ -186,6 +187,7 @@ config GETTY
> > config LOGIN
> > bool "login"
> > default y
> > + depends on PLATFORM_LINUX
> > select FEATURE_SUID
> > select FEATURE_SYSLOG
> > help
> > @@ -295,6 +297,7 @@ config SULOGIN
> > config VLOCK
> > bool "vlock"
> > default y
> > + depends on PLATFORM_LINUX
> > select FEATURE_SUID
> > help
> > Build the "vlock" applet which allows you to lock (virtual) terminals.
> > diff --git a/miscutils/Config.src b/miscutils/Config.src
> > index 2f7c502..e89e231 100644
> > --- a/miscutils/Config.src
> > +++ b/miscutils/Config.src
> > @@ -10,6 +10,7 @@ INSERT
> > config ADJTIMEX
> > bool "adjtimex"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Adjtimex reads and optionally sets adjustment parameters for
> > the Linux clock adjustment algorithm.
> > @@ -24,6 +25,7 @@ config BBCONFIG
> > config BEEP
> > bool "beep"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > The beep applets beeps in a given freq/Hz.
> >
> > @@ -180,6 +182,7 @@ config FEATURE_DC_LIBM
> > config DEVFSD
> > bool "devfsd (obsolete)"
> > default n
> > + depends on PLATFORM_LINUX
> > select FEATURE_SYSLOG
> > help
> > This is deprecated and should NOT be used anymore.
> > @@ -223,6 +226,7 @@ config DEVFSD_VERBOSE
> > config FEATURE_DEVFS
> > bool "Use devfs names for all devices (obsolete)"
> > default n
> > + depends on PLATFORM_LINUX
> > help
> > This is obsolete and should NOT be used anymore.
> > Use linux >= 2.6 (optionally with hotplug) and mdev instead!
> > @@ -242,6 +246,7 @@ config DEVMEM
> > config EJECT
> > bool "eject"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Used to eject cdroms. (defaults to /dev/cdrom)
> >
> > @@ -256,6 +261,7 @@ config FEATURE_EJECT_SCSI
> > config FBSPLASH
> > bool "fbsplash"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Shows splash image and progress bar on framebuffer device.
> > Can be used during boot phase of an embedded device. ~2kb.
> > @@ -305,6 +311,7 @@ config FLASH_ERASEALL
> > config IONICE
> > bool "ionice"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Set/set program io scheduling class and priority
> > Requires kernel >= 2.6.13
> > @@ -344,6 +351,11 @@ endchoice
> > config LESS
> > bool "less"
> > default y
> > + depends on PLATFORM_LINUX
> > + depends on PLATFORM_LINUX
> > + depends on PLATFORM_LINUX
> > + depends on PLATFORM_LINUX
> > + depends on PLATFORM_LINUX
> > help
> > 'less' is a pager, meaning that it displays text files. It possesses
> > a wide array of features, and is an improvement over 'more'.
> > @@ -410,6 +422,7 @@ config FEATURE_LESS_LINENUMS
> > config HDPARM
> > bool "hdparm"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Get/Set hard drive parameters. Primarily intended for ATA
> > drives. Adds about 13k (or around 30k if you enable the
> > @@ -526,6 +539,7 @@ config MT
> > config RAIDAUTORUN
> > bool "raidautorun"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > raidautorun tells the kernel md driver to
> > search and start RAID arrays.
> > @@ -533,7 +547,7 @@ config RAIDAUTORUN
> > config READAHEAD
> > bool "readahead"
> > default y
> > - depends on LFS
> > + depends on LFS && PLATFORM_LINUX
> > help
> > Preload the files listed on the command line into RAM cache so that
> > subsequent reads on these files will not block on disk I/O.
> > @@ -550,6 +564,7 @@ config READAHEAD
> > config RFKILL
> > bool "rfkill"
> > default n # doesn't build on Ubuntu 9.04
> > + depends on PLATFORM_LINUX
> > help
> > Enable/disable wireless devices.
> >
> > @@ -570,6 +585,7 @@ config RUNLEVEL
> > config RX
> > bool "rx"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Receive files using the Xmodem protocol.
> >
> > @@ -641,6 +657,7 @@ config WALL
> > config WATCHDOG
> > bool "watchdog"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > The watchdog utility is used with hardware or software watchdog
> > device drivers. It opens the specified watchdog device special file
> > diff --git a/miscutils/conspy.c b/miscutils/conspy.c
> > index 509a0f2..a173d8e 100644
> > --- a/miscutils/conspy.c
> > +++ b/miscutils/conspy.c
> > @@ -17,6 +17,7 @@
> > //config:config CONSPY
> > //config: bool "conspy"
> > //config: default n
> > +//config: depends on PLATFORM_LINUX
> > //config: help
> > //config: A text-mode VNC like program for Linux virtual terminals.
> > //config: example: conspy NUM shared access to console num
> > diff --git a/miscutils/ubi_attach_detach.c b/miscutils/ubi_attach_detach.c
> > index 7b92a8a..0d63a10 100644
> > --- a/miscutils/ubi_attach_detach.c
> > +++ b/miscutils/ubi_attach_detach.c
> > @@ -12,12 +12,14 @@
> > //config:config UBIATTACH
> > //config: bool "ubiattach"
> > //config: default n
> > +//config: depends on PLATFORM_LINUX
> > //config: help
> > //config: Attach MTD device to an UBI device.
> > //config:
> > //config:config UBIDETACH
> > //config: bool "ubidetach"
> > //config: default n
> > +//config: depends on PLATFORM_LINUX
> > //config: help
> > //config: Detach MTD device from an UBI device.
> >
> > diff --git a/modutils/Config.src b/modutils/Config.src
> > index a7dcb3a..4191d29 100644
> > --- a/modutils/Config.src
> > +++ b/modutils/Config.src
> > @@ -4,6 +4,7 @@
> > #
> >
> > menu "Linux Module Utilities"
> > +depends on PLATFORM_LINUX
> >
> > INSERT
> >
> > diff --git a/networking/Config.src b/networking/Config.src
> > index 4494362..26c59e7 100644
> > --- a/networking/Config.src
> > +++ b/networking/Config.src
> > @@ -43,6 +43,7 @@ config FEATURE_PREFER_IPV4_ADDRESS
> > config VERBOSE_RESOLUTION_ERRORS
> > bool "Verbose resolution errors"
> > default n
> > + depends on PLATFORM_LINUX #because of xsocket() in libbb/xfuncs_prinf.c
> > help
> > Enable if you are not satisfied with simplistic
> > "can't resolve 'hostname.com'" and want to know more.
> > @@ -51,18 +52,21 @@ config VERBOSE_RESOLUTION_ERRORS
> > config ARP
> > bool "arp"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Manipulate the system ARP cache.
> >
> > config ARPING
> > bool "arping"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Ping hosts by ARP packets.
> >
> > config BRCTL
> > bool "brctl"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Manage ethernet bridges.
> > Supports addbr/delbr and addif/delif.
> > @@ -95,6 +99,7 @@ config DNSD
> > config ETHER_WAKE
> > bool "ether-wake"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Send a magic packet to wake up sleeping machines.
> >
> > @@ -269,6 +274,7 @@ config FEATURE_HTTPD_PROXY
> > config IFCONFIG
> > bool "ifconfig"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Ifconfig is used to configure the kernel-resident network interfaces.
> >
> > @@ -316,6 +322,7 @@ config FEATURE_IFCONFIG_BROADCAST_PLUS
> > config IFENSLAVE
> > bool "ifenslave"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Userspace application to bind several interfaces
> > to a logical interface (use with kernel bonding driver).
> > @@ -323,6 +330,7 @@ config IFENSLAVE
> > config IFPLUGD
> > bool "ifplugd"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Network interface plug detection daemon.
> >
> > @@ -364,7 +372,7 @@ config FEATURE_IFUPDOWN_IP
> > config FEATURE_IFUPDOWN_IP_BUILTIN
> > bool "Use busybox ip applet"
> > default y
> > - depends on FEATURE_IFUPDOWN_IP
> > + depends on FEATURE_IFUPDOWN_IP && PLATFORM_LINUX
> > select IP
> > select FEATURE_IP_ADDRESS
> > select FEATURE_IP_LINK
> > @@ -483,6 +491,7 @@ config FEATURE_INETD_RPC
> > config IP
> > bool "ip"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > The "ip" applet is a TCP/IP interface configuration and routing
> > utility. You generally don't need "ip" to use busybox with
> > @@ -598,6 +607,7 @@ config FEATURE_IPCALC_LONG_OPTIONS
> > config NAMEIF
> > bool "nameif"
> > default y
> > + depends on PLATFORM_LINUX
> > select FEATURE_SYSLOG
> > help
> > nameif is used to rename network interface by its MAC address.
> > @@ -626,6 +636,7 @@ config FEATURE_NAMEIF_EXTENDED
> > config NETSTAT
> > bool "netstat"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > netstat prints information about the Linux networking subsystem.
> >
> > @@ -654,6 +665,7 @@ config NSLOOKUP
> > config NTPD
> > bool "ntpd"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > The NTP client/server daemon.
> >
> > @@ -668,6 +680,7 @@ config FEATURE_NTPD_SERVER
> > config PING
> > bool "ping"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > ping uses the ICMP protocol's mandatory ECHO_REQUEST datagram to
> > elicit an ICMP ECHO_RESPONSE from a host or gateway.
> > @@ -696,12 +709,14 @@ config PSCAN
> > config ROUTE
> > bool "route"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Route displays or manipulates the kernel's IP routing tables.
> >
> > config SLATTACH
> > bool "slattach"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > slattach is a small utility to attach network interfaces to serial
> > lines.
> > @@ -719,6 +734,7 @@ config SLATTACH
> > config TCPSVD
> > bool "tcpsvd"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > tcpsvd listens on a TCP port and runs a program for each new
> > connection.
> > @@ -888,6 +904,7 @@ config TFTP_DEBUG
> > config TRACEROUTE
> > bool "traceroute"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Utility to trace the route of IP packets.
> >
> > @@ -924,6 +941,7 @@ config FEATURE_TRACEROUTE_USE_ICMP
> > config TUNCTL
> > bool "tunctl"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > tunctl creates or deletes tun devices.
> >
> > @@ -949,6 +967,7 @@ config IFUPDOWN_UDHCPC_CMD_OPTIONS
> > config UDPSVD
> > bool "udpsvd"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > udpsvd listens on an UDP port and runs a program for each new
> > connection.
> > @@ -956,6 +975,7 @@ config UDPSVD
> > config VCONFIG
> > bool "vconfig"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Creates, removes, and configures VLAN interfaces
> >
> > @@ -990,6 +1010,7 @@ config FEATURE_WGET_LONG_OPTIONS
> > config ZCIP
> > bool "zcip"
> > default y
> > + depends on PLATFORM_LINUX
> > select FEATURE_SYSLOG
> > help
> > ZCIP provides ZeroConf IPv4 address selection, according to RFC 3927.
> > diff --git a/networking/udhcp/Config.src b/networking/udhcp/Config.src
> > index aac8856..331dffc 100644
> > --- a/networking/udhcp/Config.src
> > +++ b/networking/udhcp/Config.src
> > @@ -8,6 +8,7 @@ INSERT
> > config UDHCPD
> > bool "udhcp server (udhcpd)"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > udhcpd is a DHCP server geared primarily toward embedded systems,
> > while striving to be fully functional and RFC compliant.
> > @@ -51,6 +52,7 @@ config DHCPD_LEASES_FILE
> > config UDHCPC
> > bool "udhcp client (udhcpc)"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > udhcpc is a DHCP client geared primarily toward embedded systems,
> > while striving to be fully functional and RFC compliant.
> > diff --git a/procps/Config.src b/procps/Config.src
> > index e61de56..1ff6dfd 100644
> > --- a/procps/Config.src
> > +++ b/procps/Config.src
> > @@ -10,6 +10,7 @@ INSERT
> > config FREE
> > bool "free"
> > default y
> > + depends on PLATFORM_LINUX #sysinfo()
> > help
> > free displays the total amount of free and used physical and swap
> > memory in the system, as well as the buffers used by the kernel.
> > @@ -104,7 +105,7 @@ config FEATURE_PS_WIDE
> > config FEATURE_PS_TIME
> > bool "Enable time and elapsed time output"
> > default y
> > - depends on PS && DESKTOP
> > + depends on PS && DESKTOP && PLATFORM_LINUX #sysinfo()
> > help
> > Support -o time and -o etime output specifiers.
> >
> > @@ -200,6 +201,7 @@ config FEATURE_SHOW_THREADS
> > config UPTIME
> > bool "uptime"
> > default y
> > + depends on PLATFORM_LINUX #sysinfo()
> > help
> > uptime gives a one line display of the current time, how long
> > the system has been running, how many users are currently logged
> > diff --git a/shell/cttyhack.c b/shell/cttyhack.c
> > index 7af13fd..a80d49d 100644
> > --- a/shell/cttyhack.c
> > +++ b/shell/cttyhack.c
> > @@ -13,6 +13,7 @@
> > //config:config CTTYHACK
> > //config: bool "cttyhack"
> > //config: default y
> > +//config: depends on PLATFORM_LINUX
> > //config: help
> > //config: One common problem reported on the mailing list is "can't access tty;
> > //config: job control turned off" error message which typically appears when
> > diff --git a/sysklogd/Config.src b/sysklogd/Config.src
> > index 6d574ab..bfe2d1c 100644
> > --- a/sysklogd/Config.src
> > +++ b/sysklogd/Config.src
> > @@ -109,6 +109,7 @@ config FEATURE_LOGREAD_REDUCED_LOCKING
> > config KLOGD
> > bool "klogd"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > klogd is a utility which intercepts and logs all
> > messages from the Linux kernel and sends the messages
> > diff --git a/util-linux/Config.src b/util-linux/Config.src
> > index 91d1fc2..98953c1 100644
> > --- a/util-linux/Config.src
> > +++ b/util-linux/Config.src
> > @@ -10,6 +10,7 @@ INSERT
> > config ACPID
> > bool "acpid"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > acpid listens to ACPI events coming either in textual form from
> > /proc/acpi/event (though it is marked deprecated it is still widely
> > @@ -32,6 +33,7 @@ config FEATURE_ACPID_COMPAT
> > config BLKID
> > bool "blkid"
> > default y
> > + depends on PLATFORM_LINUX
> > select VOLUMEID
> > help
> > Lists labels and UUIDs of all filesystems.
> > @@ -41,6 +43,7 @@ config BLKID
> > config DMESG
> > bool "dmesg"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > dmesg is used to examine or control the kernel ring buffer. When the
> > Linux kernel prints messages to the system log, they are stored in
> > @@ -74,6 +77,7 @@ config FEATURE_DMESG_PRETTY
> > config FBSET
> > bool "fbset"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > fbset is used to show or change the settings of a Linux frame buffer
> > device. The frame buffer device provides a simple and unique
> > @@ -102,6 +106,7 @@ config FEATURE_FBSET_READMODE
> > config FDFLUSH
> > bool "fdflush"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > fdflush is only needed when changing media on slightly-broken
> > removable media drives. It is used to make Linux believe that a
> > @@ -114,12 +119,14 @@ config FDFLUSH
> > config FDFORMAT
> > bool "fdformat"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > fdformat is used to low-level format a floppy disk.
> >
> > config FDISK
> > bool "fdisk"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > The fdisk utility is used to divide hard disks into one or more
> > logical disks, which are generally called partitions. This utility
> > @@ -187,6 +194,7 @@ config FEATURE_FDISK_ADVANCED
> > config FINDFS
> > bool "findfs"
> > default y
> > + depends on PLATFORM_LINUX
> > select VOLUMEID
> > help
> > Prints the name of a filesystem with given label or UUID.
> > @@ -202,6 +210,7 @@ config FLOCK
> > config FREERAMDISK
> > bool "freeramdisk"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Linux allows you to create ramdisks. This utility allows you to
> > delete them and completely free all memory that was used for the
> > @@ -224,12 +233,14 @@ config FSCK_MINIX
> > config MKFS_EXT2
> > bool "mkfs_ext2"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Utility to create EXT2 filesystems.
> >
> > config MKFS_MINIX
> > bool "mkfs_minix"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > The minix filesystem is a nice, small, compact, read-write filesystem
> > with little overhead. If you wish to be able to create minix
> > @@ -247,6 +258,7 @@ config FEATURE_MINIX2
> > config MKFS_REISER
> > bool "mkfs_reiser"
> > default n
> > + depends on PLATFORM_LINUX
> > help
> > Utility to create ReiserFS filesystems.
> > Note: this applet needs a lot of testing and polishing.
> > @@ -254,6 +266,7 @@ config MKFS_REISER
> > config MKFS_VFAT
> > bool "mkfs_vfat"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Utility to create FAT32 filesystems.
> >
> > @@ -302,6 +315,7 @@ config HD
> > config HWCLOCK
> > bool "hwclock"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > The hwclock utility is used to read and set the hardware clock
> > on a system. This is primarily used to set the current time on
> > @@ -341,6 +355,7 @@ config IPCRM
> > config IPCS
> > bool "ipcs"
> > default y
> > + depends on PLATFORM_LINUX
> > select FEATURE_SUID
> > help
> > The ipcs utility is used to provide information on the currently
> > @@ -349,6 +364,7 @@ config IPCS
> > config LOSETUP
> > bool "losetup"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > losetup is used to associate or detach a loop device with a regular
> > file or block device, and to query the status of a loop device. This
> > @@ -357,6 +373,7 @@ config LOSETUP
> > config LSPCI
> > bool "lspci"
> > default y
> > + #depends on PLATFORM_LINUX
> > help
> > lspci is a utility for displaying information about PCI buses in the
> > system and devices connected to them.
> > @@ -366,6 +383,7 @@ config LSPCI
> > config LSUSB
> > bool "lsusb"
> > default y
> > + #depends on PLATFORM_LINUX
> > help
> > lsusb is a utility for displaying information about USB buses in the
> > system and devices connected to them.
> > @@ -375,6 +393,7 @@ config LSUSB
> > config MDEV
> > bool "mdev"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > mdev is a mini-udev implementation for dynamically creating device
> > nodes in the /dev directory.
> > @@ -473,6 +492,7 @@ config FEATURE_USE_TERMIOS
> > config MOUNT
> > bool "mount"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > All files and filesystems in Unix are arranged into one big directory
> > tree. The 'mount' utility is used to graft a filesystem onto a
> > @@ -555,6 +575,7 @@ config FEATURE_MOUNT_FSTAB
> > config PIVOT_ROOT
> > bool "pivot_root"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > The pivot_root utility swaps the mount points for the root filesystem
> > with some other mounted filesystem. This allows you to do all sorts
> > @@ -582,12 +603,14 @@ config RDEV
> > config READPROFILE
> > bool "readprofile"
> > default y
> > + #depends on PLATFORM_LINUX
> > help
> > This allows you to parse /proc/profile for basic profiling.
> >
> > config RTCWAKE
> > bool "rtcwake"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > Enter a system sleep state until specified wakeup time.
> >
> > @@ -607,6 +630,7 @@ config SCRIPTREPLAY
> > config SETARCH
> > bool "setarch"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > The linux32 utility is used to create a 32bit environment for the
> > specified program (usually a shell). It only makes sense to have
> > @@ -616,6 +640,7 @@ config SETARCH
> > config SWAPONOFF
> > bool "swaponoff"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > This option enables both the 'swapon' and the 'swapoff' utilities.
> > Once you have created some swap space using 'mkswap', you also need
> > @@ -634,6 +659,7 @@ config FEATURE_SWAPON_PRI
> > config SWITCH_ROOT
> > bool "switch_root"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > The switch_root utility is used from initramfs to select a new
> > root device. Under initramfs, you have to use this instead of
> > @@ -653,6 +679,7 @@ config SWITCH_ROOT
> > config UMOUNT
> > bool "umount"
> > default y
> > + depends on PLATFORM_LINUX
> > help
> > When you want to remove a mounted filesystem from its current mount
> > point, for example when you are shutting down the system, the
>
> Hi,
> this seems a bit of a twisted logic as BusyBox (:) is The Swiss Army Knife of Embedded Linux.
> Maybe a CONFIG_BROKEN_ON_OTHER_OS_XYZ would be more coherent with
> busybox's history.
>
> Just my 2 cents.
>
> Best regards.
> Ciao,
> Tito
PS: maybe the same result could be achieved by creating custom defconfig
files for other os like the linux kernel does with broken features disabled.
That way the code could be kept clean from #ifdef __linux__ statements.
Tito
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