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