6552296259fa94cd30c954467a0d3e250ec64138
[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_MAGIC_SYSRQ
272 bool "Compile the kernel with SysRq support"
273 default y
274
275 config KERNEL_ELF_CORE
276 bool "Enable process core dump support"
277 default y
278
279 config KERNEL_PROVE_LOCKING
280 bool "Enable kernel lock checking"
281 select KERNEL_DEBUG_KERNEL
282 default n
283
284 config KERNEL_PRINTK_TIME
285 bool "Enable printk timestamps"
286 default y
287
288 #
289 # CGROUP support symbols
290 #
291
292 config KERNEL_FREEZER
293 bool
294 default y if KERNEL_CGROUP_FREEZER
295 depends KERNEL_CGROUPS
296
297 config KERNEL_CGROUP_FREEZER
298 bool
299 depends KERNEL_CGROUPS
300
301 config KERNEL_CGROUP_DEVICE
302 bool
303 depends KERNEL_CGROUPS
304
305 config KERNEL_CPUSETS
306 bool
307 default y if KERNEL_CGROUP_CPUACCT
308 depends KERNEL_CGROUPS
309
310 config KERNEL_PROC_PID_CPUSET
311 bool
312 default y if KERNEL_CGROUP_CPUACCT
313 depends KERNEL_CGROUPS
314
315 config KERNEL_CGROUP_CPUACCT
316 bool
317 depends KERNEL_CGROUPS
318
319 config KERNEL_RESOURCE_COUNTERS
320 bool
321 default y if KERNEL_CGROUP_MEM_RES_CTLR
322 depends KERNEL_CGROUPS
323
324 config KERNEL_CGROUP_MEM_RES_CTLR
325 bool
326 depends KERNEL_CGROUPS
327
328 config KERNEL_CGROUP_MEM_RES_CTLR_SWAP
329 bool
330 depends KERNEL_CGROUPS
331
332 config KERNEL_CGROUP_MEM_RES_CTLR_SWAP_ENABLED
333 bool
334 depends KERNEL_CGROUPS
335
336 config KERNEL_CGROUP_MEM_RES_CTLR_KMEM
337 bool
338 depends KERNEL_CGROUPS
339
340 config KERNEL_CGROUP_PERF
341 bool
342 depends KERNEL_CGROUPS
343
344 config KERNEL_CFS_BANDWIDTH
345 bool
346 default y if KERNEL_FAIR_GROUP_SCHED
347 depends KERNEL_CGROUP_SCHED
348
349 config KERNEL_FAIR_GROUP_SCHED
350 bool
351 default y if KERNEL_CGROUP_SCHED
352 depends KERNEL_CGROUP_SCHED
353
354 config KERNEL_RT_GROUP_SCHED
355 bool
356 default y if KERNEL_CGROUP_SCHED
357 depends KERNEL_CGROUP_SCHED
358
359 config KERNEL_CGROUP_SCHED
360 bool
361 depends KERNEL_CGROUPS
362
363 config KERNEL_NET_CLS_CGROUP
364 bool
365 depends KERNEL_CGROUPS
366
367 config KERNEL_NETPRIO_CGROUP
368 bool
369 depends KERNEL_CGROUPS
370
371 config KERNEL_BLK_CGROUP
372 bool
373 depends KERNEL_CGROUPS
374
375 config KERNEL_DEBUG_BLK_CGROUP
376 bool
377 default n if KERNEL_CGROUPS
378 depends KERNEL_CGROUPS
379
380 config KERNEL_CGROUPS
381 bool "Enable kernel cgroups"
382 default n
383 select KERNEL_CGROUP_FREEZER
384 select KERNEL_CGROUP_DEVICE
385 select KERNEL_CGROUP_CPUACCT
386 select KERNEL_CGROUP_MEM_RES_CTLR
387 select KERNEL_CGROUP_MEM_RES_CTLR_SWAP
388 select KERNEL_CGROUP_MEM_RES_CTLR_SWAP_ENABLED
389 select KERNEL_CGROUP_MEM_RES_CTLR_KMEM
390 select KERNEL_CGROUP_PERF
391 select KERNEL_CGROUP_SCHED
392 select KERNEL_NET_CLS_CGROUP
393 select KERNEL_NETPRIO_CGROUP
394 select KERNEL_BLK_CGROUP
395
396 #
397 # Namespace support symbols
398 #
399
400 config KERNEL_UTS_NS
401 bool
402 depends KERNEL_NAMESPACES
403
404 config KERNEL_IPC_NS
405 bool
406 depends KERNEL_NAMESPACES
407
408 config KERNEL_USER_NS
409 bool
410 depends KERNEL_NAMESPACES
411
412 config KERNEL_PID_NS
413 bool
414 depends KERNEL_NAMESPACES
415
416 config KERNEL_NET_NS
417 bool
418 depends KERNEL_NAMESPACES
419
420 config KERNEL_DEVPTS_MULTIPLE_INSTANCES
421 bool
422 depends KERNEL_NAMESPACES
423
424 config KERNEL_NAMESPACES
425 bool "Enable kernel namespaces"
426 default n
427 select KERNEL_UTS_NS
428 select KERNEL_IPC_NS
429 select KERNEL_USER_NS
430 select KERNEL_PID_NS
431 select KERNEL_NET_NS
432 select KERNEL_DEVPTS_MULTIPLE_INSTANCES
433
434
435 comment "Package build options"
436
437 config DEBUG
438 bool
439 prompt "Compile packages with debugging info"
440 default n
441 help
442 Adds -g3 to the CFLAGS
443
444 config IPV6
445 bool
446 prompt "Enable IPv6 support in packages"
447 default y
448 help
449 Enable IPV6 support in packages (passes --enable-ipv6 to configure scripts).
450
451 config PKG_BUILD_PARALLEL
452 bool
453 prompt "Compile certain packages parallelized"
454 default y
455 help
456 This adds a -jX option to certain packages that are known to
457 behave well for parallel build. By default the package make processes
458 use the main jobserver, in which case this option only takes effect
459 when you add -jX to the make command.
460
461 If you are unsure, select N.
462
463 config PKG_BUILD_USE_JOBSERVER
464 bool
465 prompt "Use top-level make jobserver for packages"
466 depends on PKG_BUILD_PARALLEL
467 default y
468 help
469 This passes the main make process jobserver fds to package builds,
470 enabling full parallelization across different packages
471
472 Note that disabling this may overcommit CPU resources depending on the
473 -j level of the main make process, the number of package
474 submake jobs selected below and the number of actual CPUs present.
475 Example: If the main make is passed a -j4 and the submake -j
476 is also set to 4, we may end up with 16 parallel make processes
477 in the worst case.
478
479
480 config PKG_BUILD_JOBS
481 int
482 prompt "Number of package submake jobs (2-512)"
483 range 2 512
484 default 2
485 depends on PKG_BUILD_PARALLEL && !PKG_BUILD_USE_JOBSERVER
486 help
487 The number of jobs (-jX) to pass to packages submake.
488
489 config PKG_DEFAULT_PARALLEL
490 bool
491 prompt "Parallelize the default package build rule (May break build)"
492 depends on PKG_BUILD_PARALLEL
493 depends on BROKEN
494 default n
495 help
496 Always set the default package build rules to parallel build.
497
498 WARNING: This may break build or kill your cat, as it builds
499 packages with multiple jobs that are probably not tested in
500 a parallel build environment.
501
502 Only say Y, if you don't mind fixing broken packages.
503 Before reporting build bugs, set this to N and re-run the build.
504
505 comment "Stripping options"
506
507 choice
508 prompt "Binary stripping method"
509 default USE_STRIP if EXTERNAL_TOOLCHAIN
510 default USE_STRIP if USE_GLIBC || USE_EGLIBC
511 default USE_SSTRIP
512 help
513 Select the binary stripping method you wish to use.
514
515 config NO_STRIP
516 bool "none"
517 help
518 This will install unstripped binaries (useful for native compiling/debugging)
519
520 config USE_STRIP
521 bool "strip"
522 help
523 This will install binaries stripped using strip from binutils
524
525
526 config USE_SSTRIP
527 bool "sstrip"
528 depends !DEBUG
529 depends !USE_GLIBC
530 depends !USE_EGLIBC
531 depends !USE_MUSL
532 help
533 This will install binaries stripped using sstrip
534 endchoice
535
536 config STRIP_ARGS
537 string
538 prompt "Strip arguments"
539 depends USE_STRIP
540 default "--strip-unneeded --remove-section=.comment --remove-section=.note" if DEBUG
541 default "--strip-all"
542 help
543 Specifies arguments passed to the strip command when stripping binaries
544
545 config STRIP_KERNEL_EXPORTS
546 bool "Strip unnecessary exports from the kernel image"
547 depends BROKEN
548 help
549 Reduces kernel size by stripping unused kernel exports from the kernel image
550 Note that this might make the kernel incompatible with any kernel modules that
551 were not selected at the time the kernel image was created
552
553 config USE_MKLIBS
554 bool "Strip unnecessary functions from libraries"
555 help
556 Reduces libraries to only those functions that are necessary for using all
557 selected packages (including those selected as <M>)
558 Note that this will make the system libraries incompatible with most of the packages
559 that are not selected during the build process
560
561 if INSTALL_LIBSTDCPP
562 choice
563 prompt "Preferred standard C++ library"
564 default USE_LIBSTDCXX if USE_EGLIBC
565 default USE_UCLIBCXX
566 help
567 Select the preferred standard C++ library for all packages that support this.
568
569 config USE_UCLIBCXX
570 bool "uClibc++"
571
572 config USE_LIBSTDCXX
573 bool "libstdc++"
574 endchoice
575 endif
576
577 endmenu
578
579 menuconfig DEVEL
580 bool "Advanced configuration options (for developers)"
581 default n
582
583 config BROKEN
584 bool "Show broken platforms / packages" if DEVEL
585 default n
586
587 config DOWNLOAD_FOLDER
588 string "Download folder" if DEVEL
589 default ""
590
591 config LOCALMIRROR
592 string "Local mirror for source packages" if DEVEL
593 default ""
594
595 config AUTOREBUILD
596 bool "Automatic rebuild of packages" if DEVEL
597 default y
598 help
599 Automatically rebuild packages when their files change
600
601 config BUILD_SUFFIX
602 string "Build suffix to append to the BUILD_DIR variable" if DEVEL
603 default ""
604 help
605 Build suffix to append to the BUILD_DIR variable, i.e: build_dir_suffix
606
607 config TARGET_ROOTFS_DIR
608 string "Override the default TARGET_ROOTFS_DIR variable" if DEVEL
609 default ""
610 help
611 Override the default TARGET_ROOTFS_DIR variable content $(BUILD_DIR) with custom path.
612 Use this option to re-define the location of the target root file system directory.
613
614 config CCACHE
615 bool "Use ccache" if DEVEL
616 default n
617 help
618 Compiler cache; see http://ccache.samba.org/
619
620 config EXTERNAL_KERNEL_TREE
621 string "Use external kernel tree" if DEVEL
622 default ""
623
624 config KERNEL_GIT_CLONE_URI
625 string "Enter git repository to clone" if DEVEL
626 default ""
627 help
628 Enter the full git repository path i.e.:
629 git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
630 This will create a git clone of the kernel in your build
631 directory.
632
633 config KERNEL_GIT_LOCAL_REPOSITORY
634 string "Enter path to local reference repository" if DEVEL
635 default ""
636 help
637 Enter a full pathname to a local reference git repository.
638 In this instance, the --refererence option of git clone will
639 be used thus creating a quick local clone of your repo.
640
641 config BUILD_LOG
642 bool "Enable log files during build process" if DEVEL
643 help
644 If enabled log files will be written to the ./log directory
645
646 config SRC_TREE_OVERRIDE
647 bool "Enable package source tree override" if DEVEL
648 help
649 If enabled, you can force a package to use a git tree as source
650 code instead of the normal tarball. Create a symlink 'git-src'
651 in the package directory, pointing to the .git tree that you want
652 to pull the source code from
653
654 menuconfig TARGET_OPTIONS
655 bool "Target Options" if DEVEL
656
657 config TARGET_OPTIMIZATION
658 string "Target Optimizations" if TARGET_OPTIONS
659 default DEFAULT_TARGET_OPTIMIZATION
660 help
661 Optimizations to use when building for the target host.
662
663 config SOFT_FLOAT
664 bool "Use software floating point by default" if TARGET_OPTIONS
665 default y
666 depends on (arm || armeb || powerpc || mipsel || mips) && !HAS_FPU
667 help
668 If your target CPU does not have a Floating Point Unit (FPU) or a
669 kernel FPU emulator, but you still wish to support floating point
670 functions, then everything will need to be compiled with soft floating
671 point support (-msoft-float).
672
673 Most people will answer N.
674
675 source "toolchain/Config.in"
676
677 source "target/imagebuilder/Config.in"
678 source "target/sdk/Config.in"
679 source "target/toolchain/Config.in"
680
681 source "tmp/.config-package.in"