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