kernel: add more SCTP related configuration symbols
[openwrt/openwrt.git] / Config.in
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
7 mainmenu "OpenWrt Configuration"
8
9 config HAVE_DOT_CONFIG
10 bool
11 default y
12
13 source "target/Config.in"
14
15 menu "Target Images"
16
17 menuconfig TARGET_ROOTFS_INITRAMFS
18 bool "ramdisk"
19 default y if USES_INITRAMFS
20 help
21 Embed the rootfs into the kernel (initramfs)
22
23 choice
24 prompt "Compression"
25 default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ar71xx
26 default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ramips
27 default TARGET_INITRAMFS_COMPRESSION_NONE
28 depends TARGET_ROOTFS_INITRAMFS
29 help
30 Select ramdisk compression.
31
32 config TARGET_INITRAMFS_COMPRESSION_NONE
33 bool "none"
34
35 config TARGET_INITRAMFS_COMPRESSION_GZIP
36 bool "gzip"
37
38 config TARGET_INITRAMFS_COMPRESSION_BZIP2
39 bool "bzip2"
40
41 config TARGET_INITRAMFS_COMPRESSION_LZMA
42 bool "lzma"
43
44 config TARGET_INITRAMFS_COMPRESSION_LZO
45 bool "lzo"
46
47 config TARGET_INITRAMFS_COMPRESSION_XZ
48 bool "xz"
49 endchoice
50
51 config EXTERNAL_CPIO
52 string
53 prompt "Use external cpio" if TARGET_ROOTFS_INITRAMFS
54 default ""
55 help
56 Kernel uses specified external cpio as INITRAMFS_SOURCE
57
58 comment "Root filesystem archives"
59
60 config TARGET_ROOTFS_CPIOGZ
61 bool "cpio.gz"
62 default y if USES_CPIOGZ
63 help
64 Build a compressed cpio archive of the the root filesystem
65
66 config TARGET_ROOTFS_TARGZ
67 bool "tar.gz"
68 default y if USES_TARGZ
69 help
70 Build a compressed tar archive of the the root filesystem
71
72 comment "Root filesystem images"
73
74 config TARGET_ROOTFS_EXT4FS
75 bool "ext4"
76 default y if USES_EXT4
77 depends !TARGET_ROOTFS_INITRAMFS
78 help
79 Ext4 file system with some free space for uml images
80
81 config TARGET_ROOTFS_ISO
82 bool "iso"
83 default n
84 depends on TARGET_x86_generic
85 depends !TARGET_ROOTFS_INITRAMFS
86 help
87 Create some bootable ISO image
88
89 config TARGET_ROOTFS_JFFS2
90 bool "jffs2"
91 default y if USES_JFFS2
92 depends !TARGET_ROOTFS_INITRAMFS
93 help
94 Build a jffs2 root filesystem
95
96 config TARGET_ROOTFS_SQUASHFS
97 bool "squashfs"
98 default y if USES_SQUASHFS
99 depends !TARGET_ROOTFS_INITRAMFS
100 help
101 Build a squashfs-lzma root filesystem
102
103 config TARGET_ROOTFS_UBIFS
104 bool "ubifs"
105 default y if USES_UBIFS
106 depends !TARGET_ROOTFS_INITRAMFS && USES_UBIFS
107 help
108 Build a ubifs root filesystem
109
110 comment "Image Options"
111
112 source "target/linux/*/image/Config.in"
113
114 config TARGET_ROOTFS_PARTSIZE
115 int "Root filesystem partition size (in MB)"
116 depends X86_GRUB_IMAGES || TARGET_ROOTFS_EXT4FS || TARGET_rb532
117 default 48
118 help
119 Allows you to change the root filesystem partition size
120
121 config TARGET_ROOTFS_MAXINODE
122 int "Maximum number of inodes in root filesystem"
123 depends TARGET_ROOTFS_EXT4FS
124 default 6000
125 help
126 Allows you to change the maximum number of inodes in the root filesystem
127
128 config TARGET_ROOTFS_RESERVED_PCT
129 int "Percentage of reserved blocks in root filesystem"
130 depends TARGET_ROOTFS_EXT4FS
131 default 0
132 help
133 Allows you to change the percentage of reserved blocks in the root filesystem
134
135 endmenu
136
137 menu "Global build settings"
138
139 config ALL
140 bool "Select all packages by default"
141 default n
142
143 comment "General build options"
144
145 config DISPLAY_SUPPORT
146 bool "Show packages that require graphics support (local or remote)"
147 default n
148
149 config BUILD_PATENTED
150 default y
151 bool "Compile with support for patented functionality"
152 help
153 When this option is disabled, software which provides patented functionality will not be built.
154 In case software provides optional support for patented functionality,
155 this optional support will get disabled for this package.
156
157 config BUILD_NLS
158 default n
159 bool "Compile with full language support"
160 help
161 When this option is enabled, packages are built with the full versions of iconv and GNU gettext
162 instead of the default OpenWrt stubs. If uClibc is used, it is also built with locale support.
163
164 config BUILD_STATIC_TOOLS
165 default n
166 bool "Attempt to link host utilities statically"
167 help
168 Linking host utilities like sed or firmware-utils statically increases the portability of the
169 generated ImageBuilder and SDK tarballs, however it may fail on some Linux distributions.
170
171 config SHADOW_PASSWORDS
172 bool
173 prompt "Enable shadow password support"
174 default y
175 help
176 Enable shadow password support.
177
178 config CLEAN_IPKG
179 bool
180 prompt "Remove ipkg/opkg status data files in final images"
181 default n
182 help
183 This removes all ipkg/opkg status data files from the target directory before building the root fs
184
185 config COLLECT_KERNEL_DEBUG
186 bool
187 prompt "Collect kernel debug information"
188 select KERNEL_DEBUG_INFO
189 default n
190 help
191 This collects debugging symbols from the kernel and all compiled modules.
192 Useful for release builds, so that kernel issues can be debugged offline later.
193
194 comment "Kernel build options"
195
196 config KERNEL_DEBUG_FS
197 bool "Compile the kernel with Debug FileSystem enabled"
198 default y
199 help
200 debugfs is a virtual file system that kernel developers use to put
201 debugging files into. Enable this option to be able to read and
202 write to these files.
203
204 config KERNEL_PERF_EVENTS
205 bool
206 default n
207
208 config KERNEL_PROFILING
209 bool "Compile the kernel with profiling enabled"
210 default n
211 select KERNEL_PERF_EVENTS
212 help
213 Enable the extended profiling support mechanisms used by profilers such
214 as OProfile.
215
216 config KERNEL_KALLSYMS
217 bool "Compile the kernel with symbol table information"
218 default n
219 help
220 This will give you more information in stack traces from kernel oopses
221
222 config KERNEL_FTRACE
223 bool "Compile the kernel with tracing support"
224 default n
225
226 config KERNEL_ENABLE_DEFAULT_TRACERS
227 bool "Trace process context switches and events"
228 depends on KERNEL_FTRACE
229 default n
230
231 config KERNEL_DEBUG_KERNEL
232 bool
233 default n
234
235 config KERNEL_DEBUG_INFO
236 bool "Compile the kernel with debug information"
237 default n
238 select KERNEL_DEBUG_KERNEL
239 help
240 This will compile your kernel and modules with debug information.
241
242 config KERNEL_DEBUG_LL_UART_NONE
243 bool
244 default n
245 depends on arm
246
247 config KERNEL_DEBUG_LL
248 bool
249 default n
250 depends on arm
251 select KERNEL_DEBUG_LL_UART_NONE
252 help
253 ARM low level debugging
254
255 config KERNEL_EARLY_PRINTK
256 bool "Compile the kernel with early printk"
257 default n
258 depends on arm
259 select KERNEL_DEBUG_KERNEL
260 select KERNEL_DEBUG_LL if arm
261 help
262 Compile the kernel with early printk support.
263 This is only useful for debugging purposes to send messages
264 over the serial console in early boot.
265 Enable this to debug early boot problems.
266
267 config KERNEL_AIO
268 bool "Compile the kernel with asynchronous IO support"
269 default n
270
271 config KERNEL_DIRECT_IO
272 bool "Compile the kernel with direct IO support"
273 default n
274
275 config KERNEL_MAGIC_SYSRQ
276 bool "Compile the kernel with SysRq support"
277 default y
278
279 config KERNEL_ELF_CORE
280 bool "Enable process core dump support"
281 default y
282
283 config KERNEL_PROVE_LOCKING
284 bool "Enable kernel lock checking"
285 select KERNEL_DEBUG_KERNEL
286 default n
287
288 config KERNEL_PRINTK_TIME
289 bool "Enable printk timestamps"
290 default y
291
292 #
293 # CGROUP support symbols
294 #
295
296 config KERNEL_FREEZER
297 bool
298 default y if KERNEL_CGROUP_FREEZER
299 depends KERNEL_CGROUPS
300
301 config KERNEL_CGROUP_FREEZER
302 bool
303 depends KERNEL_CGROUPS
304
305 config KERNEL_CGROUP_DEVICE
306 bool
307 depends KERNEL_CGROUPS
308
309 config KERNEL_CPUSETS
310 bool
311 default y if KERNEL_CGROUP_CPUACCT
312 depends KERNEL_CGROUPS
313
314 config KERNEL_PROC_PID_CPUSET
315 bool
316 default y if KERNEL_CGROUP_CPUACCT
317 depends KERNEL_CGROUPS
318
319 config KERNEL_CGROUP_CPUACCT
320 bool
321 depends KERNEL_CGROUPS
322
323 config KERNEL_RESOURCE_COUNTERS
324 bool
325 default y if KERNEL_CGROUP_MEM_RES_CTLR
326 depends KERNEL_CGROUPS
327
328 config KERNEL_CGROUP_MEM_RES_CTLR
329 bool
330 depends KERNEL_CGROUPS
331
332 config KERNEL_CGROUP_MEM_RES_CTLR_SWAP
333 bool
334 depends KERNEL_CGROUPS
335
336 config KERNEL_CGROUP_MEM_RES_CTLR_SWAP_ENABLED
337 bool
338 depends KERNEL_CGROUPS
339
340 config KERNEL_CGROUP_MEM_RES_CTLR_KMEM
341 bool
342 depends KERNEL_CGROUPS
343
344 config KERNEL_CGROUP_PERF
345 bool
346 depends KERNEL_CGROUPS
347
348 config KERNEL_CFS_BANDWIDTH
349 bool
350 default y if KERNEL_FAIR_GROUP_SCHED
351 depends KERNEL_CGROUP_SCHED
352
353 config KERNEL_FAIR_GROUP_SCHED
354 bool
355 default y if KERNEL_CGROUP_SCHED
356 depends KERNEL_CGROUP_SCHED
357
358 config KERNEL_RT_GROUP_SCHED
359 bool
360 default y if KERNEL_CGROUP_SCHED
361 depends KERNEL_CGROUP_SCHED
362
363 config KERNEL_CGROUP_SCHED
364 bool
365 depends KERNEL_CGROUPS
366
367 config KERNEL_NET_CLS_CGROUP
368 bool
369 depends KERNEL_CGROUPS
370
371 config KERNEL_NETPRIO_CGROUP
372 bool
373 depends KERNEL_CGROUPS
374
375 config KERNEL_BLK_CGROUP
376 bool
377 depends KERNEL_CGROUPS
378
379 config KERNEL_DEBUG_BLK_CGROUP
380 bool
381 default n if KERNEL_CGROUPS
382 depends KERNEL_CGROUPS
383
384 config KERNEL_CGROUPS
385 bool "Enable kernel cgroups"
386 default n
387 select KERNEL_CGROUP_FREEZER
388 select KERNEL_CGROUP_DEVICE
389 select KERNEL_CGROUP_CPUACCT
390 select KERNEL_CGROUP_MEM_RES_CTLR
391 select KERNEL_CGROUP_MEM_RES_CTLR_SWAP
392 select KERNEL_CGROUP_MEM_RES_CTLR_SWAP_ENABLED
393 select KERNEL_CGROUP_MEM_RES_CTLR_KMEM
394 select KERNEL_CGROUP_PERF
395 select KERNEL_CGROUP_SCHED
396 select KERNEL_NET_CLS_CGROUP
397 select KERNEL_NETPRIO_CGROUP
398 select KERNEL_BLK_CGROUP
399
400 #
401 # Namespace support symbols
402 #
403
404 config KERNEL_UTS_NS
405 bool
406 depends KERNEL_NAMESPACES
407
408 config KERNEL_IPC_NS
409 bool
410 depends KERNEL_NAMESPACES
411
412 config KERNEL_USER_NS
413 bool
414 depends KERNEL_NAMESPACES
415
416 config KERNEL_PID_NS
417 bool
418 depends KERNEL_NAMESPACES
419
420 config KERNEL_NET_NS
421 bool
422 depends KERNEL_NAMESPACES
423
424 config KERNEL_DEVPTS_MULTIPLE_INSTANCES
425 bool
426 depends KERNEL_NAMESPACES
427
428 config KERNEL_NAMESPACES
429 bool "Enable kernel namespaces"
430 default n
431 select KERNEL_UTS_NS
432 select KERNEL_IPC_NS
433 select KERNEL_USER_NS
434 select KERNEL_PID_NS
435 select KERNEL_NET_NS
436 select KERNEL_DEVPTS_MULTIPLE_INSTANCES
437
438
439 comment "Package build options"
440
441 config DEBUG
442 bool
443 prompt "Compile packages with debugging info"
444 default n
445 help
446 Adds -g3 to the CFLAGS
447
448 config IPV6
449 bool
450 prompt "Enable IPv6 support in packages"
451 default y
452 help
453 Enable IPV6 support in packages (passes --enable-ipv6 to configure scripts).
454
455 config PKG_BUILD_PARALLEL
456 bool
457 prompt "Compile certain packages parallelized"
458 default y
459 help
460 This adds a -jX option to certain packages that are known to
461 behave well for parallel build. By default the package make processes
462 use the main jobserver, in which case this option only takes effect
463 when you add -jX to the make command.
464
465 If you are unsure, select N.
466
467 config PKG_BUILD_USE_JOBSERVER
468 bool
469 prompt "Use top-level make jobserver for packages"
470 depends on PKG_BUILD_PARALLEL
471 default y
472 help
473 This passes the main make process jobserver fds to package builds,
474 enabling full parallelization across different packages
475
476 Note that disabling this may overcommit CPU resources depending on the
477 -j level of the main make process, the number of package
478 submake jobs selected below and the number of actual CPUs present.
479 Example: If the main make is passed a -j4 and the submake -j
480 is also set to 4, we may end up with 16 parallel make processes
481 in the worst case.
482
483
484 config PKG_BUILD_JOBS
485 int
486 prompt "Number of package submake jobs (2-512)"
487 range 2 512
488 default 2
489 depends on PKG_BUILD_PARALLEL && !PKG_BUILD_USE_JOBSERVER
490 help
491 The number of jobs (-jX) to pass to packages submake.
492
493 config PKG_DEFAULT_PARALLEL
494 bool
495 prompt "Parallelize the default package build rule (May break build)"
496 depends on PKG_BUILD_PARALLEL
497 depends on BROKEN
498 default n
499 help
500 Always set the default package build rules to parallel build.
501
502 WARNING: This may break build or kill your cat, as it builds
503 packages with multiple jobs that are probably not tested in
504 a parallel build environment.
505
506 Only say Y, if you don't mind fixing broken packages.
507 Before reporting build bugs, set this to N and re-run the build.
508
509 comment "Stripping options"
510
511 choice
512 prompt "Binary stripping method"
513 default USE_STRIP if EXTERNAL_TOOLCHAIN
514 default USE_STRIP if USE_GLIBC || USE_EGLIBC
515 default USE_SSTRIP
516 help
517 Select the binary stripping method you wish to use.
518
519 config NO_STRIP
520 bool "none"
521 help
522 This will install unstripped binaries (useful for native compiling/debugging)
523
524 config USE_STRIP
525 bool "strip"
526 help
527 This will install binaries stripped using strip from binutils
528
529
530 config USE_SSTRIP
531 bool "sstrip"
532 depends !DEBUG
533 depends !USE_GLIBC
534 depends !USE_EGLIBC
535 depends !USE_MUSL
536 help
537 This will install binaries stripped using sstrip
538 endchoice
539
540 config STRIP_ARGS
541 string
542 prompt "Strip arguments"
543 depends USE_STRIP
544 default "--strip-unneeded --remove-section=.comment --remove-section=.note" if DEBUG
545 default "--strip-all"
546 help
547 Specifies arguments passed to the strip command when stripping binaries
548
549 config STRIP_KERNEL_EXPORTS
550 bool "Strip unnecessary exports from the kernel image"
551 depends BROKEN
552 help
553 Reduces kernel size by stripping unused kernel exports from the kernel image
554 Note that this might make the kernel incompatible with any kernel modules that
555 were not selected at the time the kernel image was created
556
557 config USE_MKLIBS
558 bool "Strip unnecessary functions from libraries"
559 help
560 Reduces libraries to only those functions that are necessary for using all
561 selected packages (including those selected as <M>)
562 Note that this will make the system libraries incompatible with most of the packages
563 that are not selected during the build process
564
565 if INSTALL_LIBSTDCPP
566 choice
567 prompt "Preferred standard C++ library"
568 default USE_LIBSTDCXX if USE_EGLIBC
569 default USE_UCLIBCXX
570 help
571 Select the preferred standard C++ library for all packages that support this.
572
573 config USE_UCLIBCXX
574 bool "uClibc++"
575
576 config USE_LIBSTDCXX
577 bool "libstdc++"
578 endchoice
579 endif
580
581 endmenu
582
583 menuconfig DEVEL
584 bool "Advanced configuration options (for developers)"
585 default n
586
587 config BROKEN
588 bool "Show broken platforms / packages" if DEVEL
589 default n
590
591 config DOWNLOAD_FOLDER
592 string "Download folder" if DEVEL
593 default ""
594
595 config LOCALMIRROR
596 string "Local mirror for source packages" if DEVEL
597 default ""
598
599 config AUTOREBUILD
600 bool "Automatic rebuild of packages" if DEVEL
601 default y
602 help
603 Automatically rebuild packages when their files change
604
605 config BUILD_SUFFIX
606 string "Build suffix to append to the BUILD_DIR variable" if DEVEL
607 default ""
608 help
609 Build suffix to append to the BUILD_DIR variable, i.e: build_dir_suffix
610
611 config TARGET_ROOTFS_DIR
612 string "Override the default TARGET_ROOTFS_DIR variable" if DEVEL
613 default ""
614 help
615 Override the default TARGET_ROOTFS_DIR variable content $(BUILD_DIR) with custom path.
616 Use this option to re-define the location of the target root file system directory.
617
618 config CCACHE
619 bool "Use ccache" if DEVEL
620 default n
621 help
622 Compiler cache; see http://ccache.samba.org/
623
624 config EXTERNAL_KERNEL_TREE
625 string "Use external kernel tree" if DEVEL
626 default ""
627
628 config KERNEL_GIT_CLONE_URI
629 string "Enter git repository to clone" if DEVEL
630 default ""
631 help
632 Enter the full git repository path i.e.:
633 git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
634 This will create a git clone of the kernel in your build
635 directory.
636
637 config KERNEL_GIT_LOCAL_REPOSITORY
638 string "Enter path to local reference repository" if DEVEL
639 default ""
640 help
641 Enter a full pathname to a local reference git repository.
642 In this instance, the --refererence option of git clone will
643 be used thus creating a quick local clone of your repo.
644
645 config BUILD_LOG
646 bool "Enable log files during build process" if DEVEL
647 help
648 If enabled log files will be written to the ./log directory
649
650 config SRC_TREE_OVERRIDE
651 bool "Enable package source tree override" if DEVEL
652 help
653 If enabled, you can force a package to use a git tree as source
654 code instead of the normal tarball. Create a symlink 'git-src'
655 in the package directory, pointing to the .git tree that you want
656 to pull the source code from
657
658 menuconfig TARGET_OPTIONS
659 bool "Target Options" if DEVEL
660
661 config TARGET_OPTIMIZATION
662 string "Target Optimizations" if TARGET_OPTIONS
663 default DEFAULT_TARGET_OPTIMIZATION
664 help
665 Optimizations to use when building for the target host.
666
667 config SOFT_FLOAT
668 bool "Use software floating point by default" if TARGET_OPTIONS
669 default y
670 depends on (arm || armeb || powerpc || mipsel || mips) && !HAS_FPU
671 help
672 If your target CPU does not have a Floating Point Unit (FPU) or a
673 kernel FPU emulator, but you still wish to support floating point
674 functions, then everything will need to be compiled with soft floating
675 point support (-msoft-float).
676
677 Most people will answer N.
678
679 source "toolchain/Config.in"
680
681 source "target/imagebuilder/Config.in"
682 source "target/sdk/Config.in"
683 source "target/toolchain/Config.in"
684
685 source "tmp/.config-package.in"