Config.in 18 KB

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  1. menu "System configuration"
  2. # Note: usually, it is not possible to select a provider of a virtual
  3. # package. But here we have an exception: there are only four providers
  4. # and they only get selected by separate entries in this choice and
  5. # under different, exclusive conditions. So this is a safe situation.
  6. choice
  7. prompt "Root FS skeleton"
  8. config BR2_ROOTFS_SKELETON_DEFAULT
  9. bool "default target skeleton"
  10. select BR2_PACKAGE_SKELETON_INIT_SYSV if BR2_INIT_SYSV
  11. select BR2_PACKAGE_SKELETON_INIT_SYSV if BR2_INIT_BUSYBOX
  12. select BR2_PACKAGE_SKELETON_INIT_SYSTEMD if BR2_INIT_SYSTEMD
  13. select BR2_PACKAGE_SKELETON_INIT_NONE if BR2_INIT_NONE
  14. help
  15. Use default target skeleton
  16. config BR2_ROOTFS_SKELETON_CUSTOM
  17. bool "custom target skeleton"
  18. select BR2_PACKAGE_SKELETON_CUSTOM
  19. help
  20. Use custom target skeleton.
  21. endchoice
  22. if BR2_ROOTFS_SKELETON_CUSTOM
  23. config BR2_ROOTFS_SKELETON_CUSTOM_PATH
  24. string "custom target skeleton path"
  25. help
  26. Path to custom target skeleton.
  27. endif
  28. if BR2_ROOTFS_SKELETON_DEFAULT
  29. config BR2_TARGET_GENERIC_HOSTNAME
  30. string "System hostname"
  31. default "buildroot"
  32. help
  33. Select system hostname to be stored in /etc/hostname.
  34. Leave empty to not create /etc/hostname, or to keep the
  35. one from a custom skeleton.
  36. config BR2_TARGET_GENERIC_ISSUE
  37. string "System banner"
  38. default "Welcome to Buildroot"
  39. help
  40. Select system banner (/etc/issue) to be displayed at login.
  41. Leave empty to not create /etc/issue, or to keep the
  42. one from a custom skeleton.
  43. endif
  44. choice
  45. bool "Passwords encoding"
  46. default BR2_TARGET_GENERIC_PASSWD_SHA256
  47. help
  48. Choose the password encoding scheme to use when Buildroot
  49. needs to encode a password (eg. the root password, below).
  50. Note: this is used at build-time, and *not* at runtime.
  51. config BR2_TARGET_GENERIC_PASSWD_SHA256
  52. bool "sha-256"
  53. help
  54. Use SHA256 to encode passwords which is stronger than MD5.
  55. config BR2_TARGET_GENERIC_PASSWD_SHA512
  56. bool "sha-512"
  57. help
  58. Use SHA512 to encode passwords which is stronger than SHA256
  59. endchoice # Passwd encoding
  60. config BR2_TARGET_GENERIC_PASSWD_METHOD
  61. string
  62. default "md5" if BR2_TARGET_GENERIC_PASSWD_MD5
  63. default "sha-256" if BR2_TARGET_GENERIC_PASSWD_SHA256
  64. default "sha-512" if BR2_TARGET_GENERIC_PASSWD_SHA512
  65. choice
  66. prompt "Init system"
  67. default BR2_INIT_BUSYBOX
  68. config BR2_INIT_BUSYBOX
  69. bool "BusyBox"
  70. select BR2_PACKAGE_BUSYBOX
  71. select BR2_PACKAGE_INITSCRIPTS
  72. config BR2_INIT_SYSV
  73. bool "systemV"
  74. depends on BR2_USE_MMU # sysvinit
  75. select BR2_PACKAGE_BUSYBOX_SHOW_OTHERS # sysvinit
  76. select BR2_PACKAGE_INITSCRIPTS
  77. select BR2_PACKAGE_SYSVINIT
  78. # In Buildroot, we decided not to support a split-usr when systemd is
  79. # used as an init system. This is a design decision, not a systemd
  80. # issue. Thus the select is with BR2_INIT_SYSTEMD (below) rather than
  81. # with BR2_PACKAGE_SYSTEMD.
  82. config BR2_INIT_SYSTEMD
  83. bool "systemd"
  84. depends on BR2_PACKAGE_SYSTEMD_ARCH_SUPPORTS
  85. depends on BR2_TOOLCHAIN_USES_GLIBC
  86. depends on BR2_TOOLCHAIN_HAS_SSP
  87. depends on BR2_USE_MMU
  88. depends on !BR2_STATIC_LIBS
  89. depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10
  90. select BR2_ROOTFS_MERGED_USR
  91. select BR2_PACKAGE_SYSTEMD
  92. comment "systemd needs a glibc toolchain w/ SSP, headers >= 3.10"
  93. depends on BR2_PACKAGE_SYSTEMD_ARCH_SUPPORTS
  94. depends on BR2_USE_MMU
  95. depends on !BR2_TOOLCHAIN_USES_GLIBC || \
  96. !BR2_TOOLCHAIN_HAS_SSP || \
  97. !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10
  98. config BR2_INIT_NONE
  99. bool "None"
  100. help
  101. Buildroot will not install any init system. You will
  102. have to provide your own, either with a new package
  103. or with a rootfs-overlay.
  104. endchoice
  105. choice
  106. prompt "/dev management" if !BR2_INIT_SYSTEMD
  107. default BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_DEVTMPFS
  108. config BR2_ROOTFS_DEVICE_CREATION_STATIC
  109. bool "Static using device table"
  110. config BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_DEVTMPFS
  111. bool "Dynamic using devtmpfs only"
  112. config BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV
  113. bool "Dynamic using devtmpfs + mdev"
  114. select BR2_PACKAGE_BUSYBOX
  115. config BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV
  116. bool "Dynamic using devtmpfs + eudev"
  117. depends on BR2_USE_WCHAR # eudev
  118. depends on !BR2_STATIC_LIBS
  119. depends on BR2_USE_MMU # eudev
  120. select BR2_PACKAGE_EUDEV
  121. comment "eudev needs a toolchain w/ wchar, dynamic library"
  122. depends on BR2_USE_MMU
  123. depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS
  124. endchoice
  125. comment "/dev management using udev (from systemd)"
  126. depends on BR2_INIT_SYSTEMD
  127. config BR2_ROOTFS_DEVICE_TABLE
  128. string "Path to the permission tables"
  129. default "system/device_table.txt"
  130. help
  131. Specify a space-separated list of permission table locations,
  132. that will be passed to the makedevs utility to assign
  133. correct owners and permissions on various files in the
  134. target filesystem.
  135. See package/makedevs/README for details on the usage and
  136. syntax of these files.
  137. config BR2_ROOTFS_STATIC_DEVICE_TABLE
  138. string "Path to the device tables"
  139. default "system/device_table_dev.txt"
  140. depends on BR2_ROOTFS_DEVICE_CREATION_STATIC
  141. help
  142. Specify a space-separated list of device table locations,
  143. that will be passed to the makedevs utility to create all
  144. the special device files under /dev.
  145. See package/makedevs/README for details on the usage and
  146. syntax of these files.
  147. config BR2_ROOTFS_DEVICE_TABLE_SUPPORTS_EXTENDED_ATTRIBUTES
  148. bool "support extended attributes in device tables"
  149. help
  150. Support extended attributes handling in device tables
  151. config BR2_ROOTFS_MERGED_USR
  152. bool "Use symlinks to /usr for /bin, /sbin and /lib"
  153. help
  154. If you say 'n' here, then /bin, /sbin and /lib and their
  155. counterparts in /usr will be separate directories. This
  156. is the historical UNIX way. In this case, /usr can be a
  157. filesystem on a partition separate from / .
  158. If you say 'y' here, then /bin, /sbin and /lib will be
  159. symlinks to their counterparts in /usr. In this case, /usr can
  160. not be a separate filesystem.
  161. if BR2_ROOTFS_SKELETON_DEFAULT
  162. config BR2_TARGET_ENABLE_ROOT_LOGIN
  163. bool "Enable root login with password"
  164. default y
  165. select BR2_PACKAGE_HOST_MKPASSWD if BR2_TARGET_GENERIC_ROOT_PASSWD != ""
  166. help
  167. Allow root to log in with a password.
  168. If not enabled, root will not be able to log in with a
  169. password. However, if you have an ssh server and you add an
  170. ssh key, you can still allow root to log in. Alternatively,
  171. you can use sudo to become root.
  172. config BR2_TARGET_GENERIC_ROOT_PASSWD
  173. string "Root password"
  174. default ""
  175. depends on BR2_TARGET_ENABLE_ROOT_LOGIN
  176. help
  177. Set the initial root password.
  178. If set to empty (the default), then no root password will be
  179. set, and root will need no password to log in.
  180. If the password starts with any of $1$, $5$ or $6$, it is
  181. considered to be already crypt-encoded with respectively md5,
  182. sha256 or sha512. Any other value is taken to be a clear-text
  183. value, and is crypt-encoded as per the "Passwords encoding"
  184. scheme, above.
  185. Note: "$" signs in the hashed password must be doubled. For
  186. example, if the hashed password is
  187. "$1$longsalt$v35DIIeMo4yUfI23yditq0", then you must enter it
  188. as "$$1$$longsalt$$v35DIIeMo4yUfI23yditq0" (this is necessary
  189. otherwise make would attempt to interpret the $ as a variable
  190. expansion).
  191. WARNING! WARNING!
  192. The password appears as-is in the .config file, and may appear
  193. in the build log! Avoid using a valuable password if either
  194. the .config file or the build log may be distributed, or at
  195. the very least use a strong cryptographic hash for your
  196. password!
  197. choice
  198. bool "/bin/sh"
  199. default BR2_SYSTEM_BIN_SH_DASH if !BR2_PACKAGE_BUSYBOX
  200. help
  201. Select which shell will provide /bin/sh.
  202. # busybox has shells that work on noMMU
  203. config BR2_SYSTEM_BIN_SH_BUSYBOX
  204. bool "busybox' default shell"
  205. depends on BR2_PACKAGE_BUSYBOX
  206. config BR2_SYSTEM_BIN_SH_BASH
  207. bool "bash"
  208. depends on BR2_USE_MMU # bash
  209. depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
  210. select BR2_PACKAGE_BASH
  211. config BR2_SYSTEM_BIN_SH_DASH
  212. bool "dash"
  213. depends on BR2_USE_MMU # dash
  214. depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
  215. select BR2_PACKAGE_DASH
  216. config BR2_SYSTEM_BIN_SH_MKSH
  217. bool "mksh"
  218. depends on BR2_USE_MMU # mksh
  219. depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
  220. select BR2_PACKAGE_MKSH
  221. config BR2_SYSTEM_BIN_SH_ZSH
  222. bool "zsh"
  223. depends on BR2_USE_MMU # zsh
  224. depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
  225. select BR2_PACKAGE_ZSH
  226. comment "bash, dash, mksh, zsh need BR2_PACKAGE_BUSYBOX_SHOW_OTHERS"
  227. depends on !BR2_PACKAGE_BUSYBOX_SHOW_OTHERS && BR2_PACKAGE_BUSYBOX
  228. config BR2_SYSTEM_BIN_SH_NONE
  229. bool "none"
  230. endchoice # /bin/sh
  231. config BR2_SYSTEM_BIN_SH
  232. string
  233. default "bash" if BR2_SYSTEM_BIN_SH_BASH
  234. default "dash" if BR2_SYSTEM_BIN_SH_DASH
  235. default "mksh" if BR2_SYSTEM_BIN_SH_MKSH
  236. default "zsh" if BR2_SYSTEM_BIN_SH_ZSH
  237. menuconfig BR2_TARGET_GENERIC_GETTY
  238. bool "Run a getty (login prompt) after boot"
  239. default y
  240. if BR2_TARGET_GENERIC_GETTY
  241. config BR2_TARGET_GENERIC_GETTY_PORT
  242. string "TTY port"
  243. default "console"
  244. help
  245. Specify a port to run a getty on.
  246. choice
  247. prompt "Baudrate"
  248. default BR2_TARGET_GENERIC_GETTY_BAUDRATE_KEEP
  249. help
  250. Select a baudrate to use.
  251. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_KEEP
  252. bool "keep kernel default"
  253. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_9600
  254. bool "9600"
  255. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_19200
  256. bool "19200"
  257. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_38400
  258. bool "38400"
  259. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_57600
  260. bool "57600"
  261. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200
  262. bool "115200"
  263. endchoice
  264. config BR2_TARGET_GENERIC_GETTY_BAUDRATE
  265. string
  266. default "0" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_KEEP
  267. default "9600" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_9600
  268. default "19200" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_19200
  269. default "38400" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_38400
  270. default "57600" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_57600
  271. default "115200" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200
  272. config BR2_TARGET_GENERIC_GETTY_TERM
  273. string "TERM environment variable"
  274. default "vt100"
  275. # currently observed only by busybox and sysvinit
  276. depends on BR2_INIT_BUSYBOX || BR2_INIT_SYSV
  277. help
  278. Specify a TERM type.
  279. config BR2_TARGET_GENERIC_GETTY_OPTIONS
  280. string "other options to pass to getty"
  281. default ""
  282. # currently observed only by busybox and sysvinit
  283. depends on BR2_INIT_BUSYBOX || BR2_INIT_SYSV
  284. help
  285. Any other flags you want to pass to getty,
  286. Refer to getty --help for details.
  287. endif
  288. config BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW
  289. bool "remount root filesystem read-write during boot"
  290. default y
  291. help
  292. The root filesystem is typically mounted read-only at boot.
  293. By default, buildroot remounts it in read-write mode early
  294. during the boot process.
  295. Say no here if you would rather like your root filesystem to
  296. remain read-only.
  297. If unsure, say Y.
  298. config BR2_SYSTEM_DHCP
  299. string "Network interface to configure through DHCP"
  300. default ""
  301. depends on BR2_PACKAGE_BUSYBOX || BR2_PACKAGE_IFUPDOWN || BR2_PACKAGE_SYSTEMD_NETWORKD
  302. help
  303. Enter here the name of the network interface (E.G. eth0) to
  304. automatically configure through DHCP at bootup.
  305. If left empty, no automatic DHCP requests will take place.
  306. For more complicated network setups use an overlay to
  307. overwrite /etc/network/interfaces or add a networkd
  308. configuration file.
  309. comment "automatic network configuration via DHCP needs ifupdown or busybox or networkd"
  310. depends on !(BR2_PACKAGE_BUSYBOX || BR2_PACKAGE_IFUPDOWN || BR2_PACKAGE_SYSTEMD_NETWORKD)
  311. endif # BR2_ROOTFS_SKELETON_DEFAULT
  312. config BR2_SYSTEM_DEFAULT_PATH
  313. string "Set the system's default PATH"
  314. default "/bin:/sbin:/usr/bin:/usr/sbin"
  315. help
  316. Sets the system's default PATH. It is being used in
  317. /etc/profile in the skeleton-init-common package and by some
  318. daemons.
  319. The default should work in most cases.
  320. config BR2_ENABLE_LOCALE_PURGE
  321. bool "Purge unwanted locales"
  322. default y
  323. help
  324. Explicitly specify what locales to install on target. If N
  325. then all locales supported by packages are installed.
  326. config BR2_ENABLE_LOCALE_WHITELIST
  327. string "Locales to keep"
  328. default "C en_US"
  329. depends on BR2_ENABLE_LOCALE_PURGE
  330. help
  331. Whitespace seperated list of locales to allow on target.
  332. Locales not listed here will be removed from the target.
  333. See 'locale -a' on your host for a list of locales available
  334. on your build host, or have a look in /usr/share/locale in
  335. the target file system for available locales.
  336. Notice that listing a locale here doesn't guarantee that it
  337. will be available on the target - That purely depends on the
  338. support for that locale in the selected packages.
  339. config BR2_GENERATE_LOCALE
  340. string "Generate locale data"
  341. default ""
  342. depends on \
  343. (BR2_TOOLCHAIN_BUILDROOT_UCLIBC && BR2_ENABLE_LOCALE) || \
  344. BR2_TOOLCHAIN_USES_GLIBC
  345. help
  346. Generate support for a list of locales. Locales can be
  347. specified with or without encoding, when no encoding is
  348. specified, UTF-8 is assumed. Examples of locales: en_US,
  349. fr_FR.UTF-8.
  350. config BR2_SYSTEM_ENABLE_NLS
  351. bool "Enable Native Language Support (NLS)"
  352. depends on BR2_USE_WCHAR
  353. # - glibc has built-in NLS support, but anyway doesn't
  354. # support static linking
  355. # - musl and uclibc support static linking, but they don't
  356. # have built-in NLS support, which is provided by the
  357. # libintl library from gettext. The fact that it is a
  358. # separate library causes too many problems for static
  359. # linking.
  360. depends on !BR2_STATIC_LIBS
  361. select BR2_PACKAGE_GETTEXT if !BR2_TOOLCHAIN_HAS_FULL_GETTEXT
  362. help
  363. This option will enable Native Language Support, which will
  364. allow software packages to support translations.
  365. comment "NLS support needs a toolchain w/ wchar, dynamic library"
  366. depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS
  367. config BR2_TARGET_TZ_INFO
  368. bool "Install timezone info"
  369. select BR2_PACKAGE_TZDATA if BR2_TOOLCHAIN_USES_GLIBC
  370. select BR2_PACKAGE_TZDATA if BR2_TOOLCHAIN_USES_MUSL
  371. select BR2_PACKAGE_TZ if BR2_TOOLCHAIN_USES_UCLIBC
  372. help
  373. Say 'y' here to install timezone info.
  374. if BR2_TARGET_TZ_INFO
  375. config BR2_TARGET_TZ_ZONELIST
  376. string "timezone list"
  377. default "default"
  378. help
  379. Space-separated list of time zones to compile.
  380. The value "default" includes all commonly used time zones.
  381. Note that this set consumes around 5.5M for glibc and 2.1M for
  382. uClibc.
  383. The full list is the list of files in the time zone database
  384. source, not including the build and .tab files.
  385. config BR2_TARGET_LOCALTIME
  386. string "default local time"
  387. default "Etc/UTC"
  388. help
  389. The time zone to install as the default local time, expressed
  390. as a tzdata location, such as:
  391. Etc/UTC (the default)
  392. GMT
  393. Europe/Paris
  394. America/New_York
  395. Pacific/Wallis
  396. ...
  397. endif # BR2_TARGET_TZ_INFO
  398. config BR2_ROOTFS_USERS_TABLES
  399. string "Path to the users tables"
  400. help
  401. Specify a space-separated list of users table locations,
  402. that will be passed to the mkusers utility to create
  403. users on the system, with home directory, password, etc.
  404. See manual for details on the usage and syntax of these files.
  405. config BR2_ROOTFS_OVERLAY
  406. string "Root filesystem overlay directories"
  407. default ""
  408. help
  409. Specify a list of directories that are copied over the target
  410. root filesystem after the build has finished and before it is
  411. packed into the selected filesystem images.
  412. They are copied as-is into the rootfs, excluding files ending
  413. with ~ and .git, .svn and .hg directories.
  414. config BR2_ROOTFS_POST_BUILD_SCRIPT
  415. string "Custom scripts to run before creating filesystem images"
  416. default ""
  417. help
  418. Specify a space-separated list of scripts to be run after the
  419. build has finished and before Buildroot starts packing the
  420. files into selected filesystem images.
  421. This gives users the opportunity to do board-specific
  422. cleanups, add-ons and the like, so the generated files can be
  423. used directly without further processing.
  424. These scripts are called with the target directory name as
  425. first argument. Make sure the exit code of those scripts are
  426. 0, otherwise make will stop after calling them.
  427. config BR2_ROOTFS_POST_FAKEROOT_SCRIPT
  428. string "Custom scripts to run inside the fakeroot environment"
  429. default ""
  430. help
  431. Specify a space-separated list of scripts to be run at the end
  432. of the fakeroot script right before the image(s) are actually
  433. generated.
  434. This gives users the opportunity to do customisations of the
  435. content of the rootfs, which would otherwise require root
  436. rights.
  437. These scripts are called with the target directory name as
  438. first argument. The build will fail on the first scripts that
  439. exits with a non-zero exit code.
  440. Note that Buildroot already provides mechanisms to customise
  441. the content of the rootfs:
  442. - BR2_ROOTFS_STATIC_DEVICE_TABLE
  443. to create arbitrary entries statically in /dev
  444. - BR2_ROOTFS_DEVICE_TABLE
  445. to set arbitrary permissions as well as extended
  446. attributes (such as capabilities) on files and
  447. directories,
  448. - BR2_ROOTFS_USERS_TABLES:
  449. to create arbitrary users and their home directories
  450. It is highly recommended to use those mechanisms if possible,
  451. rather than using custom fakeroot scripts.
  452. config BR2_ROOTFS_POST_IMAGE_SCRIPT
  453. string "Custom scripts to run after creating filesystem images"
  454. default ""
  455. help
  456. Specify a space-separated list of scripts to be run after
  457. the build has finished and after Buildroot has packed the
  458. files into selected filesystem images.
  459. This can for example be used to call a tool building a
  460. firmware image from different images generated by Buildroot,
  461. or automatically extract the tarball root filesystem image
  462. into some location exported by NFS, or any other custom
  463. action.
  464. These scripts are called with the images directory name as
  465. first argument. The script is executed from the main Buildroot
  466. source directory as the current directory.
  467. config BR2_ROOTFS_POST_SCRIPT_ARGS
  468. string "Extra arguments passed to custom scripts"
  469. depends on BR2_ROOTFS_POST_BUILD_SCRIPT != "" \
  470. || BR2_ROOTFS_POST_FAKEROOT_SCRIPT != "" \
  471. || BR2_ROOTFS_POST_IMAGE_SCRIPT != ""
  472. help
  473. Pass these additional arguments to each post-build or
  474. post-image scripts.
  475. Note that all the post-build and post-image scripts will be
  476. passed the same set of arguments, you can not pass different
  477. arguments to each script.
  478. Note also, as stated in their respective help text, that the
  479. first argument to each post-build or post-image script is the
  480. target directory / images directory. The arguments in this
  481. option will be passed *after* those.
  482. endmenu