Config.in 19 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_OPENRC if BR2_INIT_OPENRC
  13. select BR2_PACKAGE_SKELETON_INIT_SYSTEMD if BR2_INIT_SYSTEMD
  14. select BR2_PACKAGE_SKELETON_INIT_NONE if BR2_INIT_NONE
  15. help
  16. Use default target skeleton
  17. config BR2_ROOTFS_SKELETON_CUSTOM
  18. bool "custom target skeleton"
  19. select BR2_PACKAGE_SKELETON_CUSTOM
  20. help
  21. Use custom target skeleton.
  22. endchoice
  23. if BR2_ROOTFS_SKELETON_CUSTOM
  24. config BR2_ROOTFS_SKELETON_CUSTOM_PATH
  25. string "custom target skeleton path"
  26. help
  27. Path to custom target skeleton.
  28. endif
  29. if BR2_ROOTFS_SKELETON_DEFAULT
  30. config BR2_TARGET_GENERIC_HOSTNAME
  31. string "System hostname"
  32. default "buildroot"
  33. help
  34. Select system hostname to be stored in /etc/hostname.
  35. Leave empty to not create /etc/hostname, or to keep the
  36. one from a custom skeleton.
  37. config BR2_TARGET_GENERIC_ISSUE
  38. string "System banner"
  39. default "Welcome to Buildroot"
  40. help
  41. Select system banner (/etc/issue) to be displayed at login.
  42. Leave empty to not create /etc/issue, or to keep the
  43. one from a custom skeleton.
  44. endif
  45. choice
  46. bool "Passwords encoding"
  47. default BR2_TARGET_GENERIC_PASSWD_SHA256
  48. help
  49. Choose the password encoding scheme to use when Buildroot
  50. needs to encode a password (eg. the root password, below).
  51. Note: this is used at build-time, and *not* at runtime.
  52. config BR2_TARGET_GENERIC_PASSWD_SHA256
  53. bool "sha-256"
  54. help
  55. Use SHA256 to encode passwords which is stronger than MD5.
  56. config BR2_TARGET_GENERIC_PASSWD_SHA512
  57. bool "sha-512"
  58. help
  59. Use SHA512 to encode passwords which is stronger than SHA256
  60. endchoice # Passwd encoding
  61. config BR2_TARGET_GENERIC_PASSWD_METHOD
  62. string
  63. default "md5" if BR2_TARGET_GENERIC_PASSWD_MD5
  64. default "sha-256" if BR2_TARGET_GENERIC_PASSWD_SHA256
  65. default "sha-512" if BR2_TARGET_GENERIC_PASSWD_SHA512
  66. choice
  67. prompt "Init system"
  68. default BR2_INIT_BUSYBOX
  69. config BR2_INIT_BUSYBOX
  70. bool "BusyBox"
  71. select BR2_PACKAGE_BUSYBOX
  72. select BR2_PACKAGE_INITSCRIPTS
  73. config BR2_INIT_SYSV
  74. bool "systemV"
  75. depends on BR2_USE_MMU # sysvinit
  76. select BR2_PACKAGE_BUSYBOX_SHOW_OTHERS # sysvinit
  77. select BR2_PACKAGE_INITSCRIPTS
  78. select BR2_PACKAGE_SYSVINIT
  79. config BR2_INIT_OPENRC
  80. bool "OpenRC"
  81. depends on BR2_USE_MMU
  82. depends on !BR2_STATIC_LIBS
  83. select BR2_PACKAGE_OPENRC
  84. comment "openrc needs a toolchain w/ dynamic library"
  85. depends on BR2_USE_MMU
  86. depends on BR2_STATIC_LIBS
  87. # In Buildroot, we decided not to support a split-usr when systemd is
  88. # used as an init system. This is a design decision, not a systemd
  89. # issue. Thus the select is with BR2_INIT_SYSTEMD (below) rather than
  90. # with BR2_PACKAGE_SYSTEMD.
  91. config BR2_INIT_SYSTEMD
  92. bool "systemd"
  93. depends on BR2_PACKAGE_SYSTEMD_ARCH_SUPPORTS
  94. depends on BR2_TOOLCHAIN_USES_GLIBC
  95. depends on BR2_TOOLCHAIN_HAS_SSP
  96. depends on BR2_USE_MMU
  97. depends on !BR2_STATIC_LIBS
  98. depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10
  99. select BR2_ROOTFS_MERGED_USR
  100. select BR2_PACKAGE_SYSTEMD
  101. comment "systemd needs a glibc toolchain w/ SSP, headers >= 3.10"
  102. depends on BR2_PACKAGE_SYSTEMD_ARCH_SUPPORTS
  103. depends on BR2_USE_MMU
  104. depends on !BR2_TOOLCHAIN_USES_GLIBC || \
  105. !BR2_TOOLCHAIN_HAS_SSP || \
  106. !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10
  107. config BR2_INIT_NONE
  108. bool "None"
  109. help
  110. Buildroot will not install any init system. You will
  111. have to provide your own, either with a new package
  112. or with a rootfs-overlay.
  113. endchoice
  114. choice
  115. prompt "/dev management" if !BR2_INIT_SYSTEMD
  116. default BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_DEVTMPFS
  117. config BR2_ROOTFS_DEVICE_CREATION_STATIC
  118. bool "Static using device table"
  119. config BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_DEVTMPFS
  120. bool "Dynamic using devtmpfs only"
  121. config BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV
  122. bool "Dynamic using devtmpfs + mdev"
  123. select BR2_PACKAGE_BUSYBOX
  124. config BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV
  125. bool "Dynamic using devtmpfs + eudev"
  126. depends on BR2_USE_WCHAR # eudev
  127. depends on !BR2_STATIC_LIBS
  128. depends on BR2_USE_MMU # eudev
  129. select BR2_PACKAGE_EUDEV
  130. comment "eudev needs a toolchain w/ wchar, dynamic library"
  131. depends on BR2_USE_MMU
  132. depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS
  133. endchoice
  134. comment "/dev management using udev (from systemd)"
  135. depends on BR2_INIT_SYSTEMD
  136. config BR2_ROOTFS_DEVICE_TABLE
  137. string "Path to the permission tables"
  138. default "system/device_table.txt"
  139. help
  140. Specify a space-separated list of permission table locations,
  141. that will be passed to the makedevs utility to assign
  142. correct owners and permissions on various files in the
  143. target filesystem.
  144. See package/makedevs/README for details on the usage and
  145. syntax of these files.
  146. config BR2_ROOTFS_STATIC_DEVICE_TABLE
  147. string "Path to the device tables"
  148. default "system/device_table_dev.txt"
  149. depends on BR2_ROOTFS_DEVICE_CREATION_STATIC
  150. help
  151. Specify a space-separated list of device table locations,
  152. that will be passed to the makedevs utility to create all
  153. the special device files under /dev.
  154. See package/makedevs/README for details on the usage and
  155. syntax of these files.
  156. config BR2_ROOTFS_DEVICE_TABLE_SUPPORTS_EXTENDED_ATTRIBUTES
  157. bool "support extended attributes in device tables"
  158. help
  159. Support extended attributes handling in device tables
  160. config BR2_ROOTFS_MERGED_USR
  161. bool "Use symlinks to /usr for /bin, /sbin and /lib"
  162. help
  163. If you say 'n' here, then /bin, /sbin and /lib and their
  164. counterparts in /usr will be separate directories. This
  165. is the historical UNIX way. In this case, /usr can be a
  166. filesystem on a partition separate from / .
  167. If you say 'y' here, then /bin, /sbin and /lib will be
  168. symlinks to their counterparts in /usr. In this case, /usr can
  169. not be a separate filesystem.
  170. if BR2_ROOTFS_SKELETON_DEFAULT
  171. config BR2_TARGET_ENABLE_ROOT_LOGIN
  172. bool "Enable root login with password"
  173. default y
  174. select BR2_PACKAGE_HOST_MKPASSWD if BR2_TARGET_GENERIC_ROOT_PASSWD != ""
  175. help
  176. Allow root to log in with a password.
  177. If not enabled, root will not be able to log in with a
  178. password. However, if you have an ssh server and you add an
  179. ssh key, you can still allow root to log in. Alternatively,
  180. you can use sudo to become root.
  181. config BR2_TARGET_GENERIC_ROOT_PASSWD
  182. string "Root password"
  183. default ""
  184. depends on BR2_TARGET_ENABLE_ROOT_LOGIN
  185. help
  186. Set the initial root password.
  187. If set to empty (the default), then no root password will be
  188. set, and root will need no password to log in.
  189. If the password starts with any of $1$, $5$ or $6$, it is
  190. considered to be already crypt-encoded with respectively md5,
  191. sha256 or sha512. Any other value is taken to be a clear-text
  192. value, and is crypt-encoded as per the "Passwords encoding"
  193. scheme, above.
  194. Note: "$" signs in the hashed password must be doubled. For
  195. example, if the hashed password is
  196. "$1$longsalt$v35DIIeMo4yUfI23yditq0", then you must enter it
  197. as "$$1$$longsalt$$v35DIIeMo4yUfI23yditq0" (this is necessary
  198. otherwise make would attempt to interpret the $ as a variable
  199. expansion).
  200. WARNING! WARNING!
  201. The password appears as-is in the .config file, and may appear
  202. in the build log! Avoid using a valuable password if either
  203. the .config file or the build log may be distributed, or at
  204. the very least use a strong cryptographic hash for your
  205. password!
  206. choice
  207. bool "/bin/sh"
  208. default BR2_SYSTEM_BIN_SH_DASH if !BR2_PACKAGE_BUSYBOX
  209. help
  210. Select which shell will provide /bin/sh.
  211. # busybox has shells that work on noMMU
  212. config BR2_SYSTEM_BIN_SH_BUSYBOX
  213. bool "busybox' default shell"
  214. depends on BR2_PACKAGE_BUSYBOX
  215. config BR2_SYSTEM_BIN_SH_BASH
  216. bool "bash"
  217. depends on BR2_USE_MMU # bash
  218. depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
  219. select BR2_PACKAGE_BASH
  220. config BR2_SYSTEM_BIN_SH_DASH
  221. bool "dash"
  222. depends on BR2_USE_MMU # dash
  223. depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
  224. select BR2_PACKAGE_DASH
  225. config BR2_SYSTEM_BIN_SH_MKSH
  226. bool "mksh"
  227. depends on BR2_USE_MMU # mksh
  228. depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
  229. select BR2_PACKAGE_MKSH
  230. config BR2_SYSTEM_BIN_SH_ZSH
  231. bool "zsh"
  232. depends on BR2_USE_MMU # zsh
  233. depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
  234. select BR2_PACKAGE_ZSH
  235. comment "bash, dash, mksh, zsh need BR2_PACKAGE_BUSYBOX_SHOW_OTHERS"
  236. depends on !BR2_PACKAGE_BUSYBOX_SHOW_OTHERS && BR2_PACKAGE_BUSYBOX
  237. config BR2_SYSTEM_BIN_SH_NONE
  238. bool "none"
  239. endchoice # /bin/sh
  240. config BR2_SYSTEM_BIN_SH
  241. string
  242. default "bash" if BR2_SYSTEM_BIN_SH_BASH
  243. default "dash" if BR2_SYSTEM_BIN_SH_DASH
  244. default "mksh" if BR2_SYSTEM_BIN_SH_MKSH
  245. default "zsh" if BR2_SYSTEM_BIN_SH_ZSH
  246. menuconfig BR2_TARGET_GENERIC_GETTY
  247. bool "Run a getty (login prompt) after boot"
  248. default y
  249. if BR2_TARGET_GENERIC_GETTY
  250. config BR2_TARGET_GENERIC_GETTY_PORT
  251. string "TTY port"
  252. default "console"
  253. help
  254. Specify a port to run a getty on.
  255. choice
  256. prompt "Baudrate"
  257. default BR2_TARGET_GENERIC_GETTY_BAUDRATE_KEEP
  258. help
  259. Select a baudrate to use.
  260. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_KEEP
  261. bool "keep kernel default"
  262. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_9600
  263. bool "9600"
  264. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_19200
  265. bool "19200"
  266. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_38400
  267. bool "38400"
  268. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_57600
  269. bool "57600"
  270. config BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200
  271. bool "115200"
  272. endchoice
  273. config BR2_TARGET_GENERIC_GETTY_BAUDRATE
  274. string
  275. default "0" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_KEEP
  276. default "9600" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_9600
  277. default "19200" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_19200
  278. default "38400" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_38400
  279. default "57600" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_57600
  280. default "115200" if BR2_TARGET_GENERIC_GETTY_BAUDRATE_115200
  281. config BR2_TARGET_GENERIC_GETTY_TERM
  282. string "TERM environment variable"
  283. default "vt100"
  284. # currently observed by all but systemd
  285. depends on !BR2_INIT_SYSTEMD
  286. help
  287. Specify a TERM type.
  288. config BR2_TARGET_GENERIC_GETTY_OPTIONS
  289. string "other options to pass to getty"
  290. default ""
  291. # currently observed by all but systemd
  292. depends on !BR2_INIT_SYSTEMD
  293. help
  294. Any other flags you want to pass to getty,
  295. Refer to getty --help for details.
  296. endif
  297. config BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW
  298. bool "remount root filesystem read-write during boot"
  299. default y
  300. help
  301. The root filesystem is typically mounted read-only at boot.
  302. By default, buildroot remounts it in read-write mode early
  303. during the boot process.
  304. Say no here if you would rather like your root filesystem to
  305. remain read-only.
  306. If unsure, say Y.
  307. config BR2_SYSTEM_DHCP
  308. string "Network interface to configure through DHCP"
  309. default ""
  310. depends on BR2_PACKAGE_BUSYBOX || BR2_PACKAGE_IFUPDOWN || \
  311. BR2_PACKAGE_SYSTEMD_NETWORKD || BR2_PACKAGE_NETIFRC
  312. help
  313. Enter here the name of the network interface (E.G. eth0) to
  314. automatically configure through DHCP at bootup.
  315. If left empty, no automatic DHCP requests will take place.
  316. For more complicated network setups use an overlay to
  317. overwrite /etc/network/interfaces or add a networkd
  318. configuration file.
  319. comment "automatic network configuration via DHCP needs ifupdown or busybox or networkd or netifrc"
  320. depends on !(BR2_PACKAGE_BUSYBOX || BR2_PACKAGE_IFUPDOWN || \
  321. BR2_PACKAGE_SYSTEMD_NETWORKD || BR2_PACKAGE_NETIFRC)
  322. endif # BR2_ROOTFS_SKELETON_DEFAULT
  323. config BR2_SYSTEM_DEFAULT_PATH
  324. string "Set the system's default PATH"
  325. default "/bin:/sbin:/usr/bin:/usr/sbin"
  326. help
  327. Sets the system's default PATH. It is being used in
  328. /etc/profile in the skeleton-init-common package and by some
  329. daemons.
  330. The default should work in most cases.
  331. config BR2_ENABLE_LOCALE_PURGE
  332. bool "Purge unwanted locales"
  333. default y
  334. help
  335. Explicitly specify what locales to install on target. If N
  336. then all locales supported by packages are installed.
  337. config BR2_ENABLE_LOCALE_WHITELIST
  338. string "Locales to keep"
  339. default "C en_US"
  340. depends on BR2_ENABLE_LOCALE_PURGE
  341. help
  342. Whitespace seperated list of locales to allow on target.
  343. Locales not listed here will be removed from the target.
  344. See 'locale -a' on your host for a list of locales available
  345. on your build host, or have a look in /usr/share/locale in
  346. the target file system for available locales.
  347. Notice that listing a locale here doesn't guarantee that it
  348. will be available on the target - That purely depends on the
  349. support for that locale in the selected packages.
  350. config BR2_GENERATE_LOCALE
  351. string "Generate locale data"
  352. default ""
  353. depends on \
  354. (BR2_TOOLCHAIN_BUILDROOT_UCLIBC && BR2_ENABLE_LOCALE) || \
  355. BR2_TOOLCHAIN_USES_GLIBC
  356. help
  357. Generate support for a list of locales. Locales can be
  358. specified with or without encoding, when no encoding is
  359. specified, UTF-8 is assumed. Examples of locales: en_US,
  360. fr_FR.UTF-8.
  361. config BR2_SYSTEM_ENABLE_NLS
  362. bool "Enable Native Language Support (NLS)"
  363. depends on BR2_USE_WCHAR
  364. # - glibc has built-in NLS support, but anyway doesn't
  365. # support static linking
  366. # - musl and uclibc support static linking, but they don't
  367. # have built-in NLS support, which is provided by the
  368. # libintl library from gettext. The fact that it is a
  369. # separate library causes too many problems for static
  370. # linking.
  371. depends on !BR2_STATIC_LIBS
  372. select BR2_PACKAGE_GETTEXT if !BR2_TOOLCHAIN_HAS_FULL_GETTEXT
  373. help
  374. This option will enable Native Language Support, which will
  375. allow software packages to support translations.
  376. comment "NLS support needs a toolchain w/ wchar, dynamic library"
  377. depends on !BR2_USE_WCHAR || BR2_STATIC_LIBS
  378. config BR2_TARGET_TZ_INFO
  379. bool "Install timezone info"
  380. select BR2_PACKAGE_TZDATA if BR2_TOOLCHAIN_USES_GLIBC
  381. select BR2_PACKAGE_TZDATA if BR2_TOOLCHAIN_USES_MUSL
  382. select BR2_PACKAGE_TZ if BR2_TOOLCHAIN_USES_UCLIBC
  383. help
  384. Say 'y' here to install timezone info.
  385. if BR2_TARGET_TZ_INFO
  386. config BR2_TARGET_TZ_ZONELIST
  387. string "timezone list"
  388. default "default"
  389. help
  390. Space-separated list of time zones to compile.
  391. The value "default" includes all commonly used time zones.
  392. Note that this set consumes around 5.5M for glibc and 2.1M for
  393. uClibc.
  394. The full list is the list of files in the time zone database
  395. source, not including the build and .tab files.
  396. config BR2_TARGET_LOCALTIME
  397. string "default local time"
  398. default "Etc/UTC"
  399. help
  400. The time zone to install as the default local time, expressed
  401. as a tzdata location, such as:
  402. Etc/UTC (the default)
  403. GMT
  404. Europe/Paris
  405. America/New_York
  406. Pacific/Wallis
  407. ...
  408. Set to empty to not install a default time zone.
  409. endif # BR2_TARGET_TZ_INFO
  410. config BR2_ROOTFS_USERS_TABLES
  411. string "Path to the users tables"
  412. help
  413. Specify a space-separated list of users table locations,
  414. that will be passed to the mkusers utility to create
  415. users on the system, with home directory, password, etc.
  416. See manual for details on the usage and syntax of these files.
  417. config BR2_ROOTFS_OVERLAY
  418. string "Root filesystem overlay directories"
  419. default ""
  420. help
  421. Specify a list of directories that are copied over the target
  422. root filesystem after the build has finished and before it is
  423. packed into the selected filesystem images.
  424. They are copied as-is into the rootfs, excluding files ending
  425. with ~ and .git, .svn and .hg directories.
  426. config BR2_ROOTFS_POST_BUILD_SCRIPT
  427. string "Custom scripts to run before creating filesystem images"
  428. default ""
  429. help
  430. Specify a space-separated list of scripts to be run after the
  431. build has finished and before Buildroot starts packing the
  432. files into selected filesystem images.
  433. This gives users the opportunity to do board-specific
  434. cleanups, add-ons and the like, so the generated files can be
  435. used directly without further processing.
  436. These scripts are called with the target directory name as
  437. first argument. Make sure the exit code of those scripts are
  438. 0, otherwise make will stop after calling them.
  439. config BR2_ROOTFS_POST_FAKEROOT_SCRIPT
  440. string "Custom scripts to run inside the fakeroot environment"
  441. default ""
  442. help
  443. Specify a space-separated list of scripts to be run at the end
  444. of the fakeroot script right before the image(s) are actually
  445. generated.
  446. This gives users the opportunity to do customisations of the
  447. content of the rootfs, which would otherwise require root
  448. rights.
  449. These scripts are called with the target directory name as
  450. first argument. The build will fail on the first scripts that
  451. exits with a non-zero exit code.
  452. Note that Buildroot already provides mechanisms to customise
  453. the content of the rootfs:
  454. - BR2_ROOTFS_STATIC_DEVICE_TABLE
  455. to create arbitrary entries statically in /dev
  456. - BR2_ROOTFS_DEVICE_TABLE
  457. to set arbitrary permissions as well as extended
  458. attributes (such as capabilities) on files and
  459. directories,
  460. - BR2_ROOTFS_USERS_TABLES:
  461. to create arbitrary users and their home directories
  462. It is highly recommended to use those mechanisms if possible,
  463. rather than using custom fakeroot scripts.
  464. config BR2_ROOTFS_POST_IMAGE_SCRIPT
  465. string "Custom scripts to run after creating filesystem images"
  466. default ""
  467. help
  468. Specify a space-separated list of scripts to be run after
  469. the build has finished and after Buildroot has packed the
  470. files into selected filesystem images.
  471. This can for example be used to call a tool building a
  472. firmware image from different images generated by Buildroot,
  473. or automatically extract the tarball root filesystem image
  474. into some location exported by NFS, or any other custom
  475. action.
  476. These scripts are called with the images directory name as
  477. first argument. The script is executed from the main Buildroot
  478. source directory as the current directory.
  479. config BR2_ROOTFS_POST_SCRIPT_ARGS
  480. string "Extra arguments passed to custom scripts"
  481. depends on BR2_ROOTFS_POST_BUILD_SCRIPT != "" \
  482. || BR2_ROOTFS_POST_FAKEROOT_SCRIPT != "" \
  483. || BR2_ROOTFS_POST_IMAGE_SCRIPT != ""
  484. help
  485. Pass these additional arguments to each post-build or
  486. post-image scripts.
  487. Note that all the post-build and post-image scripts will be
  488. passed the same set of arguments, you can not pass different
  489. arguments to each script.
  490. Note also, as stated in their respective help text, that the
  491. first argument to each post-build or post-image script is the
  492. target directory / images directory. The arguments in this
  493. option will be passed *after* those.
  494. endmenu