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_SHA256
  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_SHA256
  55. bool "sha-256"
  56. help
  57. Use SHA256 to encode passwords which is stronger than MD5.
  58. config BR2_TARGET_GENERIC_PASSWD_SHA512
  59. bool "sha-512"
  60. help
  61. Use SHA512 to encode passwords which is stronger than SHA256
  62. endchoice # Passwd encoding
  63. config BR2_TARGET_GENERIC_PASSWD_METHOD
  64. string
  65. default "md5" if BR2_TARGET_GENERIC_PASSWD_MD5
  66. default "sha-256" if BR2_TARGET_GENERIC_PASSWD_SHA256
  67. default "sha-512" if BR2_TARGET_GENERIC_PASSWD_SHA512
  68. choice
  69. prompt "Init system"
  70. default BR2_INIT_BUSYBOX
  71. config BR2_INIT_BUSYBOX
  72. bool "BusyBox"
  73. select BR2_PACKAGE_BUSYBOX
  74. select BR2_PACKAGE_INITSCRIPTS
  75. config BR2_INIT_SYSV
  76. bool "systemV"
  77. depends on BR2_USE_MMU # sysvinit
  78. select BR2_PACKAGE_BUSYBOX_SHOW_OTHERS # sysvinit
  79. select BR2_PACKAGE_INITSCRIPTS
  80. select BR2_PACKAGE_SYSVINIT
  81. # In Buildroot, we decided not to support a split-usr when systemd is
  82. # used as an init system. This is a design decision, not a systemd
  83. # issue. Thus the select is with BR2_INIT_SYSTEMD (below) rather than
  84. # with BR2_PACKAGE_SYSTEMD.
  85. config BR2_INIT_SYSTEMD
  86. bool "systemd"
  87. depends on BR2_PACKAGE_SYSTEMD_ARCH_SUPPORTS
  88. depends on BR2_TOOLCHAIN_USES_GLIBC
  89. depends on BR2_TOOLCHAIN_HAS_SSP
  90. depends on BR2_USE_MMU
  91. depends on !BR2_STATIC_LIBS
  92. depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10
  93. select BR2_ROOTFS_MERGED_USR
  94. select BR2_PACKAGE_SYSTEMD
  95. comment "systemd needs a glibc toolchain w/ SSP, headers >= 3.10"
  96. depends on BR2_PACKAGE_SYSTEMD_ARCH_SUPPORTS
  97. depends on BR2_USE_MMU
  98. depends on !BR2_TOOLCHAIN_USES_GLIBC || \
  99. !BR2_TOOLCHAIN_HAS_SSP || \
  100. !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10
  101. config BR2_INIT_NONE
  102. bool "None"
  103. help
  104. Buildroot will not install any init system. You will
  105. have to provide your own, either with a new package
  106. or with a rootfs-overlay.
  107. endchoice
  108. choice
  109. prompt "/dev management" if !BR2_INIT_SYSTEMD
  110. default BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_DEVTMPFS
  111. config BR2_ROOTFS_DEVICE_CREATION_STATIC
  112. bool "Static using device table"
  113. config BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_DEVTMPFS
  114. bool "Dynamic using devtmpfs only"
  115. config BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV
  116. bool "Dynamic using devtmpfs + mdev"
  117. select BR2_PACKAGE_BUSYBOX
  118. config BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV
  119. bool "Dynamic using devtmpfs + eudev"
  120. depends on BR2_USE_WCHAR # eudev
  121. depends on !BR2_STATIC_LIBS
  122. depends on BR2_USE_MMU # eudev
  123. select BR2_PACKAGE_EUDEV
  124. comment "eudev needs a toolchain w/ wchar, dynamic library"
  125. depends on BR2_USE_MMU
  126. depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS
  127. endchoice
  128. comment "/dev management using udev (from systemd)"
  129. depends on BR2_INIT_SYSTEMD
  130. config BR2_ROOTFS_DEVICE_TABLE
  131. string "Path to the permission tables"
  132. default "system/device_table.txt"
  133. help
  134. Specify a space-separated list of permission table locations,
  135. that will be passed to the makedevs utility to assign
  136. correct owners and permissions on various files in the
  137. target filesystem.
  138. See package/makedevs/README for details on the usage and
  139. syntax of these files.
  140. config BR2_ROOTFS_STATIC_DEVICE_TABLE
  141. string "Path to the device tables"
  142. default "system/device_table_dev.txt"
  143. depends on BR2_ROOTFS_DEVICE_CREATION_STATIC
  144. help
  145. Specify a space-separated list of device table locations,
  146. that will be passed to the makedevs utility to create all
  147. the special device files under /dev.
  148. See package/makedevs/README for details on the usage and
  149. syntax of these files.
  150. config BR2_ROOTFS_DEVICE_TABLE_SUPPORTS_EXTENDED_ATTRIBUTES
  151. bool "support extended attributes in device tables"
  152. help
  153. Support extended attributes handling in device tables
  154. if BR2_ROOTFS_SKELETON_DEFAULT
  155. config BR2_ROOTFS_MERGED_USR
  156. bool "Use symlinks to /usr for /bin, /sbin and /lib"
  157. help
  158. If you say 'n' here, then /bin, /sbin and /lib and their
  159. counterparts in /usr will be separate directories. This
  160. is the historical UNIX way. In this case, /usr can be a
  161. filesystem on a partition separate from / .
  162. If you say 'y' here, then /bin, /sbin and /lib will be
  163. symlinks to their counterparts in /usr. In this case, /usr can
  164. not be a separate filesystem.
  165. config BR2_TARGET_ENABLE_ROOT_LOGIN
  166. bool "Enable root login with password"
  167. default y
  168. select BR2_PACKAGE_HOST_MKPASSWD if BR2_TARGET_GENERIC_ROOT_PASSWD != ""
  169. help
  170. Allow root to log in with a password.
  171. If not enabled, root will not be able to log in with a
  172. password. However, if you have an ssh server and you add an
  173. ssh key, you can still allow root to log in. Alternatively,
  174. you can use sudo to become root.
  175. config BR2_TARGET_GENERIC_ROOT_PASSWD
  176. string "Root password"
  177. default ""
  178. depends on BR2_TARGET_ENABLE_ROOT_LOGIN
  179. help
  180. Set the initial root password.
  181. If set to empty (the default), then no root password will be
  182. set, and root will need no password to log in.
  183. If the password starts with any of $1$, $5$ or $6$, it is
  184. considered to be already crypt-encoded with respectively md5,
  185. sha256 or sha512. Any other value is taken to be a clear-text
  186. value, and is crypt-encoded as per the "Passwords encoding"
  187. scheme, above.
  188. Note: "$" signs in the hashed password must be doubled. For
  189. example, if the hashed password is
  190. "$1$longsalt$v35DIIeMo4yUfI23yditq0", then you must enter it
  191. as "$$1$$longsalt$$v35DIIeMo4yUfI23yditq0" (this is necessary
  192. otherwise make would attempt to interpret the $ as a variable
  193. expansion).
  194. WARNING! WARNING!
  195. The password appears as-is in the .config file, and may appear
  196. in the build log! Avoid using a valuable password if either
  197. the .config file or the build log may be distributed, or at
  198. the very least use a strong cryptographic hash for your
  199. password!
  200. choice
  201. bool "/bin/sh"
  202. default BR2_SYSTEM_BIN_SH_DASH if !BR2_PACKAGE_BUSYBOX
  203. help
  204. Select which shell will provide /bin/sh.
  205. # busybox has shells that work on noMMU
  206. config BR2_SYSTEM_BIN_SH_BUSYBOX
  207. bool "busybox' default shell"
  208. depends on BR2_PACKAGE_BUSYBOX
  209. config BR2_SYSTEM_BIN_SH_BASH
  210. bool "bash"
  211. depends on BR2_USE_MMU # bash
  212. depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
  213. select BR2_PACKAGE_BASH
  214. config BR2_SYSTEM_BIN_SH_DASH
  215. bool "dash"
  216. depends on BR2_USE_MMU # dash
  217. depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
  218. select BR2_PACKAGE_DASH
  219. config BR2_SYSTEM_BIN_SH_MKSH
  220. bool "mksh"
  221. depends on BR2_USE_MMU # mksh
  222. depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
  223. select BR2_PACKAGE_MKSH
  224. config BR2_SYSTEM_BIN_SH_ZSH
  225. bool "zsh"
  226. depends on BR2_USE_MMU # zsh
  227. depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
  228. select BR2_PACKAGE_ZSH
  229. comment "bash, dash, mksh, zsh need BR2_PACKAGE_BUSYBOX_SHOW_OTHERS"
  230. depends on !BR2_PACKAGE_BUSYBOX_SHOW_OTHERS && BR2_PACKAGE_BUSYBOX
  231. config BR2_SYSTEM_BIN_SH_NONE
  232. bool "none"
  233. endchoice # /bin/sh
  234. config BR2_SYSTEM_BIN_SH
  235. string
  236. default "bash" if BR2_SYSTEM_BIN_SH_BASH
  237. default "dash" if BR2_SYSTEM_BIN_SH_DASH
  238. default "mksh" if BR2_SYSTEM_BIN_SH_MKSH
  239. default "zsh" if BR2_SYSTEM_BIN_SH_ZSH
  240. menuconfig BR2_TARGET_GENERIC_GETTY
  241. bool "Run a getty (login prompt) after boot"
  242. default y
  243. if BR2_TARGET_GENERIC_GETTY
  244. config BR2_TARGET_GENERIC_GETTY_PORT
  245. string "TTY port"
  246. default "console"
  247. help
  248. Specify a port to run a getty on.
  249. choice
  250. prompt "Baudrate"
  251. default BR2_TARGET_GENERIC_GETTY_BAUDRATE_KEEP
  252. help
  253. Select a baudrate to use.
  254. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_KEEP
  255. bool "keep kernel default"
  256. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_9600
  257. bool "9600"
  258. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_19200
  259. bool "19200"
  260. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_38400
  261. bool "38400"
  262. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_57600
  263. bool "57600"
  264. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200
  265. bool "115200"
  266. endchoice
  267. config BR2_TARGET_GENERIC_GETTY_BAUDRATE
  268. string
  269. default "0" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_KEEP
  270. default "9600" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_9600
  271. default "19200" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_19200
  272. default "38400" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_38400
  273. default "57600" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_57600
  274. default "115200" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200
  275. config BR2_TARGET_GENERIC_GETTY_TERM
  276. string "TERM environment variable"
  277. default "vt100"
  278. # currently observed only by busybox and sysvinit
  279. depends on BR2_INIT_BUSYBOX || BR2_INIT_SYSV
  280. help
  281. Specify a TERM type.
  282. config BR2_TARGET_GENERIC_GETTY_OPTIONS
  283. string "other options to pass to getty"
  284. default ""
  285. # currently observed only by busybox and sysvinit
  286. depends on BR2_INIT_BUSYBOX || BR2_INIT_SYSV
  287. help
  288. Any other flags you want to pass to getty,
  289. Refer to getty --help for details.
  290. endif
  291. config BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW
  292. bool "remount root filesystem read-write during boot"
  293. default y
  294. help
  295. The root filesystem is typically mounted read-only at boot.
  296. By default, buildroot remounts it in read-write mode early
  297. during the boot process.
  298. Say no here if you would rather like your root filesystem to
  299. remain read-only.
  300. If unsure, say Y.
  301. config BR2_SYSTEM_DHCP
  302. string "Network interface to configure through DHCP"
  303. default ""
  304. depends on BR2_PACKAGE_BUSYBOX || BR2_PACKAGE_IFUPDOWN || BR2_PACKAGE_SYSTEMD_NETWORKD
  305. help
  306. Enter here the name of the network interface (E.G. eth0) to
  307. automatically configure through DHCP at bootup.
  308. If left empty, no automatic DHCP requests will take place.
  309. For more complicated network setups use an overlay to
  310. overwrite /etc/network/interfaces or add a networkd
  311. configuration file.
  312. comment "automatic network configuration via DHCP needs ifupdown or busybox or networkd"
  313. depends on !(BR2_PACKAGE_BUSYBOX || BR2_PACKAGE_IFUPDOWN || BR2_PACKAGE_SYSTEMD_NETWORKD)
  314. endif # BR2_ROOTFS_SKELETON_DEFAULT
  315. config BR2_ENABLE_LOCALE_PURGE
  316. bool "Purge unwanted locales"
  317. default y
  318. help
  319. Explicitly specify what locales to install on target. If N
  320. then all locales supported by packages are installed.
  321. config BR2_ENABLE_LOCALE_WHITELIST
  322. string "Locales to keep"
  323. default "C en_US"
  324. depends on BR2_ENABLE_LOCALE_PURGE
  325. help
  326. Whitespace seperated list of locales to allow on target.
  327. Locales not listed here will be removed from the target.
  328. See 'locale -a' on your host for a list of locales available
  329. on your build host, or have a look in /usr/share/locale in
  330. the target file system for available locales.
  331. Notice that listing a locale here doesn't guarantee that it
  332. will be available on the target - That purely depends on the
  333. support for that locale in the selected packages.
  334. config BR2_GENERATE_LOCALE
  335. string "Generate locale data"
  336. default ""
  337. depends on \
  338. (BR2_TOOLCHAIN_BUILDROOT_UCLIBC && BR2_ENABLE_LOCALE) || \
  339. BR2_TOOLCHAIN_USES_GLIBC
  340. help
  341. Generate support for a list of locales. Locales can be
  342. specified with or without encoding, when no encoding is
  343. specified, UTF-8 is assumed. Examples of locales: en_US,
  344. fr_FR.UTF-8.
  345. config BR2_SYSTEM_ENABLE_NLS
  346. bool "Enable Native Language Support (NLS)"
  347. depends on BR2_USE_WCHAR
  348. # - glibc has built-in NLS support, but anyway doesn't
  349. # support static linking
  350. # - musl and uclibc support static linking, but they don't
  351. # have built-in NLS support, which is provided by the
  352. # libintl library from gettext. The fact that it is a
  353. # separate library causes too many problems for static
  354. # linking.
  355. depends on !BR2_STATIC_LIBS
  356. select BR2_PACKAGE_GETTEXT if !BR2_TOOLCHAIN_HAS_FULL_GETTEXT
  357. help
  358. This option will enable Native Language Support, which will
  359. allow software packages to support translations.
  360. comment "NLS support needs a toolchain w/ wchar, dynamic library"
  361. depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS
  362. config BR2_TARGET_TZ_INFO
  363. bool "Install timezone info"
  364. select BR2_PACKAGE_TZDATA if BR2_TOOLCHAIN_USES_GLIBC
  365. select BR2_PACKAGE_TZDATA if BR2_TOOLCHAIN_USES_MUSL
  366. select BR2_PACKAGE_TZ if BR2_TOOLCHAIN_USES_UCLIBC
  367. help
  368. Say 'y' here to install timezone info.
  369. if BR2_TARGET_TZ_INFO
  370. config BR2_TARGET_TZ_ZONELIST
  371. string "timezone list"
  372. default "default"
  373. help
  374. Space-separated list of time zones to compile.
  375. The value "default" includes all commonly used time zones.
  376. Note that this set consumes around 5.5M for glibc and 2.1M for
  377. uClibc.
  378. The full list is the list of files in the time zone database
  379. source, not including the build and .tab files.
  380. config BR2_TARGET_LOCALTIME
  381. string "default local time"
  382. default "Etc/UTC"
  383. help
  384. The time zone to install as the default local time, expressed
  385. as a tzdata location, such as:
  386. Etc/UTC (the default)
  387. GMT
  388. Europe/Paris
  389. America/New_York
  390. Pacific/Wallis
  391. ...
  392. endif # BR2_TARGET_TZ_INFO
  393. config BR2_ROOTFS_USERS_TABLES
  394. string "Path to the users tables"
  395. help
  396. Specify a space-separated list of users table locations,
  397. that will be passed to the mkusers utility to create
  398. users on the system, with home directory, password, etc.
  399. See manual for details on the usage and syntax of these files.
  400. config BR2_ROOTFS_OVERLAY
  401. string "Root filesystem overlay directories"
  402. default ""
  403. help
  404. Specify a list of directories that are copied over the target
  405. root filesystem after the build has finished and before it is
  406. packed into the selected filesystem images.
  407. They are copied as-is into the rootfs, excluding files ending
  408. with ~ and .git, .svn and .hg directories.
  409. config BR2_ROOTFS_POST_BUILD_SCRIPT
  410. string "Custom scripts to run before creating filesystem images"
  411. default ""
  412. help
  413. Specify a space-separated list of scripts to be run after the
  414. build has finished and before Buildroot starts packing the
  415. files into selected filesystem images.
  416. This gives users the opportunity to do board-specific
  417. cleanups, add-ons and the like, so the generated files can be
  418. used directly without further processing.
  419. These scripts are called with the target directory name as
  420. first argument. Make sure the exit code of those scripts are
  421. 0, otherwise make will stop after calling them.
  422. config BR2_ROOTFS_POST_FAKEROOT_SCRIPT
  423. string "Custom scripts to run inside the fakeroot environment"
  424. default ""
  425. help
  426. Specify a space-separated list of scripts to be run at the end
  427. of the fakeroot script right before the image(s) are actually
  428. generated.
  429. This gives users the opportunity to do customisations of the
  430. content of the rootfs, which would otherwise require root
  431. rights.
  432. These scripts are called with the target directory name as
  433. first argument. The build will fail on the first scripts that
  434. exits with a non-zero exit code.
  435. Note that Buildroot already provides mechanisms to customise
  436. the content of the rootfs:
  437. - BR2_ROOTFS_STATIC_DEVICE_TABLE
  438. to create arbitrary entries statically in /dev
  439. - BR2_ROOTFS_DEVICE_TABLE
  440. to set arbitrary permissions as well as extended
  441. attributes (such as capabilities) on files and
  442. directories,
  443. - BR2_ROOTFS_USERS_TABLES:
  444. to create arbitrary users and their home directories
  445. It is highly recommended to use those mechanisms if possible,
  446. rather than using custom fakeroot scripts.
  447. config BR2_ROOTFS_POST_IMAGE_SCRIPT
  448. string "Custom scripts to run after creating filesystem images"
  449. default ""
  450. help
  451. Specify a space-separated list of scripts to be run after
  452. the build has finished and after Buildroot has packed the
  453. files into selected filesystem images.
  454. This can for example be used to call a tool building a
  455. firmware image from different images generated by Buildroot,
  456. or automatically extract the tarball root filesystem image
  457. into some location exported by NFS, or any other custom
  458. action.
  459. These scripts are called with the images directory name as
  460. first argument. The script is executed from the main Buildroot
  461. source directory as the current directory.
  462. config BR2_ROOTFS_POST_SCRIPT_ARGS
  463. string "Extra arguments passed to custom scripts"
  464. depends on BR2_ROOTFS_POST_BUILD_SCRIPT != "" \
  465. || BR2_ROOTFS_POST_FAKEROOT_SCRIPT != "" \
  466. || BR2_ROOTFS_POST_IMAGE_SCRIPT != ""
  467. help
  468. Pass these additional arguments to each post-build or
  469. post-image scripts.
  470. Note that all the post-build and post-image scripts will be
  471. passed the same set of arguments, you can not pass different
  472. arguments to each script.
  473. Note also, as stated in their respective help text, that the
  474. first argument to each post-build or post-image script is the
  475. target directory / images directory. The arguments in this
  476. option will be passed *after* those.
  477. endmenu