Config.in 25 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894
  1. # Copyright (C) 2006-2012 OpenWrt.org
  2. #
  3. # This is free software, licensed under the GNU General Public License v2.
  4. # See /LICENSE for more information.
  5. #
  6. mainmenu "OpenWrt Configuration"
  7. config MODULES
  8. bool
  9. default y
  10. config HAVE_DOT_CONFIG
  11. bool
  12. default y
  13. source "target/Config.in"
  14. menu "Target Images"
  15. menuconfig TARGET_ROOTFS_INITRAMFS
  16. bool "ramdisk"
  17. default y if USES_INITRAMFS
  18. help
  19. Embed the rootfs into the kernel (initramfs)
  20. choice
  21. prompt "Compression"
  22. default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ar71xx
  23. default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ramips
  24. default TARGET_INITRAMFS_COMPRESSION_NONE
  25. depends on TARGET_ROOTFS_INITRAMFS
  26. help
  27. Select ramdisk compression.
  28. config TARGET_INITRAMFS_COMPRESSION_NONE
  29. bool "none"
  30. config TARGET_INITRAMFS_COMPRESSION_GZIP
  31. bool "gzip"
  32. config TARGET_INITRAMFS_COMPRESSION_BZIP2
  33. bool "bzip2"
  34. config TARGET_INITRAMFS_COMPRESSION_LZMA
  35. bool "lzma"
  36. config TARGET_INITRAMFS_COMPRESSION_LZO
  37. bool "lzo"
  38. config TARGET_INITRAMFS_COMPRESSION_XZ
  39. bool "xz"
  40. endchoice
  41. config EXTERNAL_CPIO
  42. string
  43. prompt "Use external cpio" if TARGET_ROOTFS_INITRAMFS
  44. default ""
  45. help
  46. Kernel uses specified external cpio as INITRAMFS_SOURCE
  47. comment "Root filesystem archives"
  48. config TARGET_ROOTFS_CPIOGZ
  49. bool "cpio.gz"
  50. default y if USES_CPIOGZ
  51. help
  52. Build a compressed cpio archive of the the root filesystem
  53. config TARGET_ROOTFS_TARGZ
  54. bool "tar.gz"
  55. default y if USES_TARGZ
  56. help
  57. Build a compressed tar archive of the the root filesystem
  58. comment "Root filesystem images"
  59. config TARGET_ROOTFS_EXT4FS
  60. bool "ext4"
  61. default y if USES_EXT4
  62. help
  63. Ext4 file system with some free space for uml images
  64. config TARGET_ROOTFS_ISO
  65. bool "iso"
  66. default n
  67. depends on TARGET_x86_generic
  68. help
  69. Create some bootable ISO image
  70. config TARGET_ROOTFS_JFFS2
  71. bool "jffs2"
  72. default y if USES_JFFS2
  73. help
  74. Build a jffs2 root filesystem
  75. config TARGET_ROOTFS_JFFS2_NAND
  76. bool "jffs2 for NAND"
  77. default y if USES_JFFS2_NAND
  78. depends on USES_JFFS2_NAND
  79. help
  80. Build a jffs2 root filesystem for NAND flash
  81. config TARGET_ROOTFS_SQUASHFS
  82. bool "squashfs"
  83. default y if USES_SQUASHFS
  84. help
  85. Build a squashfs-lzma root filesystem
  86. config TARGET_ROOTFS_UBIFS
  87. bool "ubifs"
  88. default y if USES_UBIFS
  89. depends on USES_UBIFS
  90. help
  91. Build a ubifs root filesystem
  92. comment "Image Options"
  93. source "target/linux/*/image/Config.in"
  94. config TARGET_ROOTFS_PARTSIZE
  95. int "Root filesystem partition size (in MB)"
  96. depends on X86_GRUB_IMAGES || TARGET_ROOTFS_EXT4FS || TARGET_rb532
  97. default 48
  98. help
  99. Allows you to change the root filesystem partition size
  100. config TARGET_ROOTFS_MAXINODE
  101. int "Maximum number of inodes in root filesystem"
  102. depends on TARGET_ROOTFS_EXT4FS
  103. default 6000
  104. help
  105. Allows you to change the maximum number of inodes in the root filesystem
  106. config TARGET_ROOTFS_RESERVED_PCT
  107. int "Percentage of reserved blocks in root filesystem"
  108. depends on TARGET_ROOTFS_EXT4FS
  109. default 0
  110. help
  111. Allows you to change the percentage of reserved blocks in the root filesystem
  112. config TARGET_ROOTFS_INCLUDE_KERNEL
  113. bool "include kernel in rootfs"
  114. depends on TARGET_ROOTFS_UBIFS || TARGET_ROOTFS_EXT4FS
  115. default n if USES_UBIFS
  116. help
  117. Include the kernel image in the rootfs
  118. config TARGET_ROOTFS_INCLUDE_DTB
  119. bool "include dtb in rootfs"
  120. depends on TARGET_ROOTFS_UBIFS || TARGET_ROOTFS_EXT4FS
  121. default n if USES_UBIFS
  122. help
  123. Include the device tree blob file in the rootfs
  124. endmenu
  125. menu "Global build settings"
  126. config ALL
  127. bool "Select all packages by default"
  128. default n
  129. comment "General build options"
  130. config DISPLAY_SUPPORT
  131. bool "Show packages that require graphics support (local or remote)"
  132. default n
  133. config BUILD_PATENTED
  134. default y
  135. bool "Compile with support for patented functionality"
  136. help
  137. When this option is disabled, software which provides patented functionality will not be built.
  138. In case software provides optional support for patented functionality,
  139. this optional support will get disabled for this package.
  140. config BUILD_NLS
  141. default n
  142. bool "Compile with full language support"
  143. help
  144. When this option is enabled, packages are built with the full versions of iconv and GNU gettext
  145. instead of the default OpenWrt stubs. If uClibc is used, it is also built with locale support.
  146. config BUILD_STATIC_TOOLS
  147. default n
  148. bool "Attempt to link host utilities statically"
  149. help
  150. Linking host utilities like sed or firmware-utils statically increases the portability of the
  151. generated ImageBuilder and SDK tarballs, however it may fail on some Linux distributions.
  152. config SHADOW_PASSWORDS
  153. bool
  154. prompt "Enable shadow password support"
  155. default y
  156. help
  157. Enable shadow password support.
  158. config CLEAN_IPKG
  159. bool
  160. prompt "Remove ipkg/opkg status data files in final images"
  161. default n
  162. help
  163. This removes all ipkg/opkg status data files from the target directory before building the root fs
  164. config COLLECT_KERNEL_DEBUG
  165. bool
  166. prompt "Collect kernel debug information"
  167. select KERNEL_DEBUG_INFO
  168. default n
  169. help
  170. This collects debugging symbols from the kernel and all compiled modules.
  171. Useful for release builds, so that kernel issues can be debugged offline later.
  172. comment "Kernel build options"
  173. config KERNEL_DEBUG_FS
  174. bool "Compile the kernel with Debug FileSystem enabled"
  175. default y
  176. help
  177. debugfs is a virtual file system that kernel developers use to put
  178. debugging files into. Enable this option to be able to read and
  179. write to these files.
  180. config KERNEL_PERF_EVENTS
  181. bool
  182. default n
  183. config KERNEL_PROFILING
  184. bool "Compile the kernel with profiling enabled"
  185. default n
  186. select KERNEL_PERF_EVENTS
  187. help
  188. Enable the extended profiling support mechanisms used by profilers such
  189. as OProfile.
  190. config KERNEL_KALLSYMS
  191. bool "Compile the kernel with symbol table information"
  192. default y
  193. help
  194. This will give you more information in stack traces from kernel oopses
  195. config KERNEL_FTRACE
  196. bool "Compile the kernel with tracing support"
  197. default n
  198. config KERNEL_FTRACE_SYSCALLS
  199. bool "Trace system calls"
  200. depends on KERNEL_FTRACE
  201. default n
  202. config KERNEL_ENABLE_DEFAULT_TRACERS
  203. bool "Trace process context switches and events"
  204. depends on KERNEL_FTRACE
  205. default n
  206. config KERNEL_DEBUG_KERNEL
  207. bool
  208. default n
  209. config KERNEL_DEBUG_INFO
  210. bool "Compile the kernel with debug information"
  211. default y
  212. select KERNEL_DEBUG_KERNEL
  213. help
  214. This will compile your kernel and modules with debug information.
  215. config KERNEL_DEBUG_LL_UART_NONE
  216. bool
  217. default n
  218. depends on arm
  219. config KERNEL_DEBUG_LL
  220. bool
  221. default n
  222. depends on arm
  223. select KERNEL_DEBUG_LL_UART_NONE
  224. help
  225. ARM low level debugging
  226. config KERNEL_EARLY_PRINTK
  227. bool "Compile the kernel with early printk"
  228. default n
  229. depends on arm
  230. select KERNEL_DEBUG_KERNEL
  231. select KERNEL_DEBUG_LL if arm
  232. help
  233. Compile the kernel with early printk support.
  234. This is only useful for debugging purposes to send messages
  235. over the serial console in early boot.
  236. Enable this to debug early boot problems.
  237. config KERNEL_AIO
  238. bool "Compile the kernel with asynchronous IO support"
  239. default n
  240. config KERNEL_DIRECT_IO
  241. bool "Compile the kernel with direct IO support"
  242. default n
  243. config KERNEL_MAGIC_SYSRQ
  244. bool "Compile the kernel with SysRq support"
  245. default y
  246. config KERNEL_COREDUMP
  247. bool
  248. config KERNEL_ELF_CORE
  249. bool "Enable process core dump support"
  250. select KERNEL_COREDUMP
  251. default y
  252. config KERNEL_PROVE_LOCKING
  253. bool "Enable kernel lock checking"
  254. select KERNEL_DEBUG_KERNEL
  255. default n
  256. config KERNEL_PRINTK_TIME
  257. bool "Enable printk timestamps"
  258. default y
  259. config KERNEL_RELAY
  260. bool
  261. config KERNEL_KEXEC
  262. bool "Enable kexec support"
  263. config USE_RFKILL
  264. bool "Enable rfkill support"
  265. default RFKILL_SUPPORT
  266. #
  267. # CGROUP support symbols
  268. #
  269. config KERNEL_CGROUPS
  270. bool "Enable kernel cgroups"
  271. default n
  272. if KERNEL_CGROUPS
  273. config KERNEL_CGROUP_DEBUG
  274. bool "Example debug cgroup subsystem"
  275. default n
  276. help
  277. This option enables a simple cgroup subsystem that
  278. exports useful debugging information about the cgroups
  279. framework.
  280. config KERNEL_FREEZER
  281. bool
  282. default y if KERNEL_CGROUP_FREEZER
  283. config KERNEL_CGROUP_FREEZER
  284. bool "Freezer cgroup subsystem"
  285. default n
  286. help
  287. Provides a way to freeze and unfreeze all tasks in a
  288. cgroup.
  289. config KERNEL_CGROUP_DEVICE
  290. bool "Device controller for cgroups"
  291. default y
  292. help
  293. Provides a cgroup implementing whitelists for devices which
  294. a process in the cgroup can mknod or open.
  295. config KERNEL_CPUSETS
  296. bool "Cpuset support"
  297. default n
  298. help
  299. This option will let you create and manage CPUSETs which
  300. allow dynamically partitioning a system into sets of CPUs and
  301. Memory Nodes and assigning tasks to run only within those sets.
  302. This is primarily useful on large SMP or NUMA systems.
  303. config KERNEL_PROC_PID_CPUSET
  304. bool "Include legacy /proc/<pid>/cpuset file"
  305. default n
  306. depends on KERNEL_CPUSETS
  307. config KERNEL_CGROUP_CPUACCT
  308. bool "Simple CPU accounting cgroup subsystem"
  309. default n
  310. help
  311. Provides a simple Resource Controller for monitoring the
  312. total CPU consumed by the tasks in a cgroup.
  313. config KERNEL_RESOURCE_COUNTERS
  314. bool "Resource counters"
  315. default n
  316. help
  317. This option enables controller independent resource accounting
  318. infrastructure that works with cgroups.
  319. config KERNEL_MM_OWNER
  320. bool
  321. default y if KERNEL_MEMCG
  322. config KERNEL_MEMCG
  323. bool "Memory Resource Controller for Control Groups"
  324. default n
  325. depends on KERNEL_RESOURCE_COUNTERS
  326. help
  327. Provides a memory resource controller that manages both anonymous
  328. memory and page cache. (See Documentation/cgroups/memory.txt)
  329. Note that setting this option increases fixed memory overhead
  330. associated with each page of memory in the system. By this,
  331. 20(40)bytes/PAGE_SIZE on 32(64)bit system will be occupied by memory
  332. usage tracking struct at boot. Total amount of this is printed out
  333. at boot.
  334. Only enable when you're ok with these trade offs and really
  335. sure you need the memory resource controller. Even when you enable
  336. this, you can set "cgroup_disable=memory" at your boot option to
  337. disable memory resource controller and you can avoid overheads.
  338. (and lose benefits of memory resource controller)
  339. This config option also selects MM_OWNER config option, which
  340. could in turn add some fork/exit overhead.
  341. config KERNEL_MEMCG_SWAP
  342. bool "Memory Resource Controller Swap Extension"
  343. default n
  344. depends on KERNEL_MEMCG
  345. help
  346. Add swap management feature to memory resource controller. When you
  347. enable this, you can limit mem+swap usage per cgroup. In other words,
  348. when you disable this, memory resource controller has no cares to
  349. usage of swap...a process can exhaust all of the swap. This extension
  350. is useful when you want to avoid exhaustion swap but this itself
  351. adds more overheads and consumes memory for remembering information.
  352. Especially if you use 32bit system or small memory system, please
  353. be careful about enabling this. When memory resource controller
  354. is disabled by boot option, this will be automatically disabled and
  355. there will be no overhead from this. Even when you set this config=y,
  356. if boot option "swapaccount=0" is set, swap will not be accounted.
  357. Now, memory usage of swap_cgroup is 2 bytes per entry. If swap page
  358. size is 4096bytes, 512k per 1Gbytes of swap.
  359. config KERNEL_MEMCG_SWAP_ENABLED
  360. bool "Memory Resource Controller Swap Extension enabled by default"
  361. default n
  362. depends on KERNEL_MEMCG_SWAP
  363. help
  364. Memory Resource Controller Swap Extension comes with its price in
  365. a bigger memory consumption. General purpose distribution kernels
  366. which want to enable the feature but keep it disabled by default
  367. and let the user enable it by swapaccount boot command line
  368. parameter should have this option unselected.
  369. For those who want to have the feature enabled by default should
  370. select this option (if, for some reason, they need to disable it
  371. then swapaccount=0 does the trick).
  372. config KERNEL_MEMCG_KMEM
  373. bool "Memory Resource Controller Kernel Memory accounting (EXPERIMENTAL)"
  374. default n
  375. depends on KERNEL_MEMCG
  376. help
  377. The Kernel Memory extension for Memory Resource Controller can limit
  378. the amount of memory used by kernel objects in the system. Those are
  379. fundamentally different from the entities handled by the standard
  380. Memory Controller, which are page-based, and can be swapped. Users of
  381. the kmem extension can use it to guarantee that no group of processes
  382. will ever exhaust kernel resources alone.
  383. config KERNEL_CGROUP_PERF
  384. bool "Enable perf_event per-cpu per-container group (cgroup) monitoring"
  385. default n
  386. select KERNEL_PERF_EVENTS
  387. help
  388. This option extends the per-cpu mode to restrict monitoring to
  389. threads which belong to the cgroup specified and run on the
  390. designated cpu.
  391. menuconfig KERNEL_CGROUP_SCHED
  392. bool "Group CPU scheduler"
  393. default n
  394. help
  395. This feature lets CPU scheduler recognize task groups and control CPU
  396. bandwidth allocation to such task groups. It uses cgroups to group
  397. tasks.
  398. if KERNEL_CGROUP_SCHED
  399. config KERNEL_FAIR_GROUP_SCHED
  400. bool "Group scheduling for SCHED_OTHER"
  401. default n
  402. config KERNEL_CFS_BANDWIDTH
  403. bool "CPU bandwidth provisioning for FAIR_GROUP_SCHED"
  404. default n
  405. depends on KERNEL_FAIR_GROUP_SCHED
  406. help
  407. This option allows users to define CPU bandwidth rates (limits) for
  408. tasks running within the fair group scheduler. Groups with no limit
  409. set are considered to be unconstrained and will run with no
  410. restriction.
  411. See tip/Documentation/scheduler/sched-bwc.txt for more information.
  412. config KERNEL_RT_GROUP_SCHED
  413. bool "Group scheduling for SCHED_RR/FIFO"
  414. default n
  415. help
  416. This feature lets you explicitly allocate real CPU bandwidth
  417. to task groups. If enabled, it will also make it impossible to
  418. schedule realtime tasks for non-root users until you allocate
  419. realtime bandwidth for them.
  420. endif
  421. config KERNEL_BLK_CGROUP
  422. bool "Block IO controller"
  423. default y
  424. help
  425. Generic block IO controller cgroup interface. This is the common
  426. cgroup interface which should be used by various IO controlling
  427. policies.
  428. Currently, CFQ IO scheduler uses it to recognize task groups and
  429. control disk bandwidth allocation (proportional time slice allocation)
  430. to such task groups. It is also used by bio throttling logic in
  431. block layer to implement upper limit in IO rates on a device.
  432. This option only enables generic Block IO controller infrastructure.
  433. One needs to also enable actual IO controlling logic/policy. For
  434. enabling proportional weight division of disk bandwidth in CFQ, set
  435. CONFIG_CFQ_GROUP_IOSCHED=y; for enabling throttling policy, set
  436. CONFIG_BLK_DEV_THROTTLING=y.
  437. config KERNEL_DEBUG_BLK_CGROUP
  438. bool "Enable Block IO controller debugging"
  439. default n
  440. depends on KERNEL_BLK_CGROUP
  441. help
  442. Enable some debugging help. Currently it exports additional stat
  443. files in a cgroup which can be useful for debugging.
  444. config KERNEL_NET_CLS_CGROUP
  445. bool "Control Group Classifier"
  446. default y
  447. config KERNEL_NETPRIO_CGROUP
  448. bool "Network priority cgroup"
  449. default y
  450. endif
  451. #
  452. # Namespace support symbols
  453. #
  454. config KERNEL_NAMESPACES
  455. bool "Enable kernel namespaces"
  456. default n
  457. if KERNEL_NAMESPACES
  458. config KERNEL_UTS_NS
  459. bool "UTS namespace"
  460. default y
  461. help
  462. In this namespace tasks see different info provided
  463. with the uname() system call
  464. config KERNEL_IPC_NS
  465. bool "IPC namespace"
  466. default y
  467. help
  468. In this namespace tasks work with IPC ids which correspond to
  469. different IPC objects in different namespaces.
  470. config KERNEL_USER_NS
  471. bool "User namespace (EXPERIMENTAL)"
  472. default y
  473. help
  474. This allows containers, i.e. vservers, to use user namespaces
  475. to provide different user info for different servers.
  476. config KERNEL_PID_NS
  477. bool "PID Namespaces"
  478. default y
  479. help
  480. Support process id namespaces. This allows having multiple
  481. processes with the same pid as long as they are in different
  482. pid namespaces. This is a building block of containers.
  483. config KERNEL_NET_NS
  484. bool "Network namespace"
  485. default y
  486. help
  487. Allow user space to create what appear to be multiple instances
  488. of the network stack.
  489. endif
  490. #
  491. # LXC related symbols
  492. #
  493. config KERNEL_LXC_MISC
  494. bool "Enable miscellaneous LXC related options"
  495. default n
  496. if KERNEL_LXC_MISC
  497. config KERNEL_DEVPTS_MULTIPLE_INSTANCES
  498. bool "Support multiple instances of devpts"
  499. default y
  500. help
  501. Enable support for multiple instances of devpts filesystem.
  502. If you want to have isolated PTY namespaces (eg: in containers),
  503. say Y here. Otherwise, say N. If enabled, each mount of devpts
  504. filesystem with the '-o newinstance' option will create an
  505. independent PTY namespace.
  506. config KERNEL_POSIX_MQUEUE
  507. bool "POSIX Message Queues"
  508. default n
  509. help
  510. POSIX variant of message queues is a part of IPC. In POSIX message
  511. queues every message has a priority which decides about succession
  512. of receiving it by a process. If you want to compile and run
  513. programs written e.g. for Solaris with use of its POSIX message
  514. queues (functions mq_*) say Y here.
  515. POSIX message queues are visible as a filesystem called 'mqueue'
  516. and can be mounted somewhere if you want to do filesystem
  517. operations on message queues.
  518. endif
  519. comment "Package build options"
  520. config DEBUG
  521. bool
  522. prompt "Compile packages with debugging info"
  523. default n
  524. help
  525. Adds -g3 to the CFLAGS
  526. config IPV6
  527. bool
  528. prompt "Enable IPv6 support in packages"
  529. default y
  530. help
  531. Enable IPV6 support in packages (passes --enable-ipv6 to configure scripts).
  532. config PKG_BUILD_PARALLEL
  533. bool
  534. prompt "Compile certain packages parallelized"
  535. default y
  536. help
  537. This adds a -jX option to certain packages that are known to
  538. behave well for parallel build. By default the package make processes
  539. use the main jobserver, in which case this option only takes effect
  540. when you add -jX to the make command.
  541. If you are unsure, select N.
  542. config PKG_BUILD_USE_JOBSERVER
  543. bool
  544. prompt "Use top-level make jobserver for packages"
  545. depends on PKG_BUILD_PARALLEL
  546. default y
  547. help
  548. This passes the main make process jobserver fds to package builds,
  549. enabling full parallelization across different packages
  550. Note that disabling this may overcommit CPU resources depending on the
  551. -j level of the main make process, the number of package
  552. submake jobs selected below and the number of actual CPUs present.
  553. Example: If the main make is passed a -j4 and the submake -j
  554. is also set to 4, we may end up with 16 parallel make processes
  555. in the worst case.
  556. config PKG_BUILD_JOBS
  557. int
  558. prompt "Number of package submake jobs (2-512)"
  559. range 2 512
  560. default 2
  561. depends on PKG_BUILD_PARALLEL && !PKG_BUILD_USE_JOBSERVER
  562. help
  563. The number of jobs (-jX) to pass to packages submake.
  564. config PKG_DEFAULT_PARALLEL
  565. bool
  566. prompt "Parallelize the default package build rule (May break build)"
  567. depends on PKG_BUILD_PARALLEL
  568. depends on BROKEN
  569. default n
  570. help
  571. Always set the default package build rules to parallel build.
  572. WARNING: This may break build or kill your cat, as it builds
  573. packages with multiple jobs that are probably not tested in
  574. a parallel build environment.
  575. Only say Y, if you don't mind fixing broken packages.
  576. Before reporting build bugs, set this to N and re-run the build.
  577. comment "Stripping options"
  578. choice
  579. prompt "Binary stripping method"
  580. default USE_STRIP if EXTERNAL_TOOLCHAIN
  581. default USE_STRIP if USE_GLIBC || USE_EGLIBC || USE_MUSL
  582. default USE_SSTRIP
  583. help
  584. Select the binary stripping method you wish to use.
  585. config NO_STRIP
  586. bool "none"
  587. help
  588. This will install unstripped binaries (useful for native compiling/debugging)
  589. config USE_STRIP
  590. bool "strip"
  591. help
  592. This will install binaries stripped using strip from binutils
  593. config USE_SSTRIP
  594. bool "sstrip"
  595. depends on !DEBUG
  596. depends on !USE_GLIBC
  597. depends on !USE_EGLIBC
  598. help
  599. This will install binaries stripped using sstrip
  600. endchoice
  601. config STRIP_ARGS
  602. string
  603. prompt "Strip arguments"
  604. depends on USE_STRIP
  605. default "--strip-unneeded --remove-section=.comment --remove-section=.note" if DEBUG
  606. default "--strip-all"
  607. help
  608. Specifies arguments passed to the strip command when stripping binaries
  609. config STRIP_KERNEL_EXPORTS
  610. bool "Strip unnecessary exports from the kernel image"
  611. help
  612. Reduces kernel size by stripping unused kernel exports from the kernel image
  613. Note that this might make the kernel incompatible with any kernel modules that
  614. were not selected at the time the kernel image was created
  615. config USE_MKLIBS
  616. bool "Strip unnecessary functions from libraries"
  617. help
  618. Reduces libraries to only those functions that are necessary for using all
  619. selected packages (including those selected as <M>)
  620. Note that this will make the system libraries incompatible with most of the packages
  621. that are not selected during the build process
  622. choice
  623. prompt "Preferred standard C++ library"
  624. default USE_LIBSTDCXX if USE_EGLIBC
  625. default USE_UCLIBCXX
  626. help
  627. Select the preferred standard C++ library for all packages that support this.
  628. config USE_UCLIBCXX
  629. bool "uClibc++"
  630. config USE_LIBSTDCXX
  631. bool "libstdc++"
  632. endchoice
  633. endmenu
  634. menuconfig DEVEL
  635. bool "Advanced configuration options (for developers)"
  636. default n
  637. config BROKEN
  638. bool "Show broken platforms / packages" if DEVEL
  639. default n
  640. config DOWNLOAD_FOLDER
  641. string "Download folder" if DEVEL
  642. default ""
  643. config LOCALMIRROR
  644. string "Local mirror for source packages" if DEVEL
  645. default ""
  646. config AUTOREBUILD
  647. bool "Automatic rebuild of packages" if DEVEL
  648. default y
  649. help
  650. Automatically rebuild packages when their files change
  651. config BUILD_SUFFIX
  652. string "Build suffix to append to the BUILD_DIR variable" if DEVEL
  653. default ""
  654. help
  655. Build suffix to append to the BUILD_DIR variable, i.e: build_dir_suffix
  656. config TARGET_ROOTFS_DIR
  657. string "Override the default TARGET_ROOTFS_DIR variable" if DEVEL
  658. default ""
  659. help
  660. Override the default TARGET_ROOTFS_DIR variable content $(BUILD_DIR) with custom path.
  661. Use this option to re-define the location of the target root file system directory.
  662. config CCACHE
  663. bool "Use ccache" if DEVEL
  664. default n
  665. help
  666. Compiler cache; see http://ccache.samba.org/
  667. config EXTERNAL_KERNEL_TREE
  668. string "Use external kernel tree" if DEVEL
  669. default ""
  670. config KERNEL_GIT_CLONE_URI
  671. string "Enter git repository to clone" if DEVEL
  672. default ""
  673. help
  674. Enter the full git repository path i.e.:
  675. git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
  676. This will create a git clone of the kernel in your build
  677. directory.
  678. config KERNEL_GIT_LOCAL_REPOSITORY
  679. string "Enter path to local reference repository" if DEVEL
  680. default ""
  681. help
  682. Enter a full pathname to a local reference git repository.
  683. In this instance, the --refererence option of git clone will
  684. be used thus creating a quick local clone of your repo.
  685. config BUILD_LOG
  686. bool "Enable log files during build process" if DEVEL
  687. help
  688. If enabled log files will be written to the ./log directory
  689. config SRC_TREE_OVERRIDE
  690. bool "Enable package source tree override" if DEVEL
  691. help
  692. If enabled, you can force a package to use a git tree as source
  693. code instead of the normal tarball. Create a symlink 'git-src'
  694. in the package directory, pointing to the .git tree that you want
  695. to pull the source code from
  696. config EXTRA_OPTIMIZATION
  697. string "Additional compiler options" if DEVEL
  698. default "-fno-caller-saves"
  699. help
  700. Extra Target-independent optimizations to use when building for the target.
  701. menuconfig TARGET_OPTIONS
  702. bool "Target Options" if DEVEL
  703. config TARGET_OPTIMIZATION
  704. string "Target Optimizations" if TARGET_OPTIONS
  705. default DEFAULT_TARGET_OPTIMIZATION
  706. help
  707. Optimizations to use when building for the target host.
  708. config SOFT_FLOAT
  709. bool "Use software floating point by default" if TARGET_OPTIONS
  710. default y
  711. depends on (arm || armeb || powerpc || mipsel || mips || mips64el || mips64) && !HAS_FPU
  712. help
  713. If your target CPU does not have a Floating Point Unit (FPU) or a
  714. kernel FPU emulator, but you still wish to support floating point
  715. functions, then everything will need to be compiled with soft floating
  716. point support (-msoft-float).
  717. Most people will answer N.
  718. config USE_MIPS16
  719. bool "Build packages with MIPS16 instructions" if TARGET_OPTIONS
  720. depends on HAS_MIPS16
  721. help
  722. If your target CPU does support the MIPS16 instruction set
  723. and you want to use it for packages, enable this option.
  724. MIPS16 produces smaller binaries thus reducing pressure on
  725. caches and TLB.
  726. Most people will answer N.
  727. source "toolchain/Config.in"
  728. source "target/imagebuilder/Config.in"
  729. source "target/sdk/Config.in"
  730. source "target/toolchain/Config.in"
  731. source "tmp/.config-package.in"