40a74e77abae54631c4ab523a085255b49f2ddc0
[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 MODULES
10 bool
11 default y
12
13 config HAVE_DOT_CONFIG
14 bool
15 default y
16
17 source "target/Config.in"
18
19 menu "Target Images"
20
21 menuconfig TARGET_ROOTFS_INITRAMFS
22 bool "ramdisk"
23 default y if USES_INITRAMFS
24 help
25 Embed the rootfs into the kernel (initramfs)
26
27 choice
28 prompt "Compression"
29 default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ar71xx
30 default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ramips
31 default TARGET_INITRAMFS_COMPRESSION_NONE
32 depends on TARGET_ROOTFS_INITRAMFS
33 help
34 Select ramdisk compression.
35
36 config TARGET_INITRAMFS_COMPRESSION_NONE
37 bool "none"
38
39 config TARGET_INITRAMFS_COMPRESSION_GZIP
40 bool "gzip"
41
42 config TARGET_INITRAMFS_COMPRESSION_BZIP2
43 bool "bzip2"
44
45 config TARGET_INITRAMFS_COMPRESSION_LZMA
46 bool "lzma"
47
48 config TARGET_INITRAMFS_COMPRESSION_LZO
49 bool "lzo"
50
51 config TARGET_INITRAMFS_COMPRESSION_XZ
52 bool "xz"
53 endchoice
54
55 config EXTERNAL_CPIO
56 string
57 prompt "Use external cpio" if TARGET_ROOTFS_INITRAMFS
58 default ""
59 help
60 Kernel uses specified external cpio as INITRAMFS_SOURCE
61
62 comment "Root filesystem archives"
63
64 config TARGET_ROOTFS_CPIOGZ
65 bool "cpio.gz"
66 default y if USES_CPIOGZ
67 help
68 Build a compressed cpio archive of the the root filesystem
69
70 config TARGET_ROOTFS_TARGZ
71 bool "tar.gz"
72 default y if USES_TARGZ
73 help
74 Build a compressed tar archive of the the root filesystem
75
76 comment "Root filesystem images"
77
78 config TARGET_ROOTFS_EXT4FS
79 bool "ext4"
80 default y if USES_EXT4
81 help
82 Ext4 file system with some free space for uml images
83
84 config TARGET_ROOTFS_ISO
85 bool "iso"
86 default n
87 depends on TARGET_x86_generic
88 help
89 Create some bootable ISO image
90
91 config TARGET_ROOTFS_JFFS2
92 bool "jffs2"
93 default y if USES_JFFS2
94 help
95 Build a jffs2 root filesystem
96
97 config TARGET_ROOTFS_JFFS2_NAND
98 bool "jffs2 for NAND"
99 default y if USES_JFFS2_NAND
100 depends on USES_JFFS2_NAND
101 help
102 Build a jffs2 root filesystem for NAND flash
103
104 config TARGET_ROOTFS_SQUASHFS
105 bool "squashfs"
106 default y if USES_SQUASHFS
107 help
108 Build a squashfs-lzma root filesystem
109
110 config TARGET_ROOTFS_UBIFS
111 bool "ubifs"
112 default y if USES_UBIFS
113 depends on USES_UBIFS
114 help
115 Build a ubifs root filesystem
116
117 comment "Image Options"
118
119 source "target/linux/*/image/Config.in"
120
121 config TARGET_ROOTFS_PARTSIZE
122 int "Root filesystem partition size (in MB)"
123 depends on X86_GRUB_IMAGES || TARGET_ROOTFS_EXT4FS || TARGET_rb532
124 default 48
125 help
126 Allows you to change the root filesystem partition size
127
128 config TARGET_ROOTFS_MAXINODE
129 int "Maximum number of inodes in root filesystem"
130 depends on TARGET_ROOTFS_EXT4FS
131 default 6000
132 help
133 Allows you to change the maximum number of inodes in the root filesystem
134
135 config TARGET_ROOTFS_RESERVED_PCT
136 int "Percentage of reserved blocks in root filesystem"
137 depends on TARGET_ROOTFS_EXT4FS
138 default 0
139 help
140 Allows you to change the percentage of reserved blocks in the root filesystem
141
142 config TARGET_ROOTFS_INCLUDE_KERNEL
143 bool "Include kernel in root filesystem"
144 depends on TARGET_ROOTFS_UBIFS || TARGET_ROOTFS_EXT4FS
145 default n if USES_UBIFS
146 help
147 Include the kernel image in the rootfs. Typically the image is placed
148 below /boot.
149
150 config TARGET_ROOTFS_INCLUDE_DTB
151 bool "Include DTB in root filesystem"
152 depends on TARGET_ROOTFS_UBIFS || TARGET_ROOTFS_EXT4FS
153 default n if USES_UBIFS
154 help
155 Include the device tree blob file(s) in the rootfs. Typically the DTBs
156 are placed below /boot.
157
158 endmenu
159
160 menu "Global build settings"
161
162 config ALL
163 bool "Select all packages by default"
164 default n
165
166 comment "General build options"
167
168 config DISPLAY_SUPPORT
169 bool "Show packages that require graphics support (local or remote)"
170 default n
171
172 config BUILD_PATENTED
173 default y
174 bool "Compile with support for patented functionality"
175 help
176 When this option is disabled, software which provides patented functionality will not be built.
177 In case software provides optional support for patented functionality,
178 this optional support will get disabled for this package.
179
180 config BUILD_NLS
181 default n
182 bool "Compile with full language support"
183 help
184 When this option is enabled, packages are built with the full versions of iconv and GNU gettext
185 instead of the default OpenWrt stubs. If uClibc is used, it is also built with locale support.
186
187 config BUILD_STATIC_TOOLS
188 default n
189 bool "Attempt to link host utilities statically"
190 help
191 Linking host utilities like sed or firmware-utils statically increases the portability of the
192 generated ImageBuilder and SDK tarballs, however it may fail on some Linux distributions.
193
194 config SHADOW_PASSWORDS
195 bool
196 prompt "Enable shadow password support"
197 default y
198 help
199 Enable shadow password support.
200
201 config CLEAN_IPKG
202 bool
203 prompt "Remove ipkg/opkg status data files in final images"
204 default n
205 help
206 This removes all ipkg/opkg status data files from the target directory before building the root fs
207
208 config COLLECT_KERNEL_DEBUG
209 bool
210 prompt "Collect kernel debug information"
211 select KERNEL_DEBUG_INFO
212 default n
213 help
214 This collects debugging symbols from the kernel and all compiled modules.
215 Useful for release builds, so that kernel issues can be debugged offline later.
216
217 comment "Kernel build options"
218
219 config KERNEL_DEBUG_FS
220 bool "Compile the kernel with Debug FileSystem enabled"
221 default y
222 help
223 debugfs is a virtual file system that kernel developers use to put
224 debugging files into. Enable this option to be able to read and
225 write to these files.
226
227 config KERNEL_PERF_EVENTS
228 bool
229 default n
230
231 config KERNEL_PROFILING
232 bool "Compile the kernel with profiling enabled"
233 default n
234 select KERNEL_PERF_EVENTS
235 help
236 Enable the extended profiling support mechanisms used by profilers such
237 as OProfile.
238
239 config KERNEL_KALLSYMS
240 bool "Compile the kernel with symbol table information"
241 default y
242 help
243 This will give you more information in stack traces from kernel oopses
244
245 config KERNEL_FTRACE
246 bool "Compile the kernel with tracing support"
247 default n
248
249 config KERNEL_FTRACE_SYSCALLS
250 bool "Trace system calls"
251 depends on KERNEL_FTRACE
252 default n
253
254 config KERNEL_ENABLE_DEFAULT_TRACERS
255 bool "Trace process context switches and events"
256 depends on KERNEL_FTRACE
257 default n
258
259 config KERNEL_DEBUG_KERNEL
260 bool
261 default n
262
263 config KERNEL_DEBUG_INFO
264 bool "Compile the kernel with debug information"
265 default y
266 select KERNEL_DEBUG_KERNEL
267 help
268 This will compile your kernel and modules with debug information.
269
270 config KERNEL_DEBUG_LL_UART_NONE
271 bool
272 default n
273 depends on arm
274
275 config KERNEL_DEBUG_LL
276 bool
277 default n
278 depends on arm
279 select KERNEL_DEBUG_LL_UART_NONE
280 help
281 ARM low level debugging
282
283 config KERNEL_EARLY_PRINTK
284 bool "Compile the kernel with early printk"
285 default n
286 depends on arm
287 select KERNEL_DEBUG_KERNEL
288 select KERNEL_DEBUG_LL if arm
289 help
290 Compile the kernel with early printk support.
291 This is only useful for debugging purposes to send messages
292 over the serial console in early boot.
293 Enable this to debug early boot problems.
294
295 config KERNEL_AIO
296 bool "Compile the kernel with asynchronous IO support"
297 default n
298
299 config KERNEL_DIRECT_IO
300 bool "Compile the kernel with direct IO support"
301 default n
302
303 config KERNEL_MAGIC_SYSRQ
304 bool "Compile the kernel with SysRq support"
305 default y
306
307 config KERNEL_COREDUMP
308 bool
309
310 config KERNEL_ELF_CORE
311 bool "Enable process core dump support"
312 select KERNEL_COREDUMP
313 default y
314
315 config KERNEL_PROVE_LOCKING
316 bool "Enable kernel lock checking"
317 select KERNEL_DEBUG_KERNEL
318 default n
319
320 config KERNEL_PRINTK_TIME
321 bool "Enable printk timestamps"
322 default y
323
324 config KERNEL_RELAY
325 bool
326
327 config KERNEL_KEXEC
328 bool "Enable kexec support"
329
330 config USE_RFKILL
331 bool "Enable rfkill support"
332 default RFKILL_SUPPORT
333
334 #
335 # CGROUP support symbols
336 #
337
338 config KERNEL_CGROUPS
339 bool "Enable kernel cgroups"
340 default n
341
342 if KERNEL_CGROUPS
343
344 config KERNEL_CGROUP_DEBUG
345 bool "Example debug cgroup subsystem"
346 default n
347 help
348 This option enables a simple cgroup subsystem that
349 exports useful debugging information about the cgroups
350 framework.
351
352 config KERNEL_FREEZER
353 bool
354 default y if KERNEL_CGROUP_FREEZER
355
356 config KERNEL_CGROUP_FREEZER
357 bool "Freezer cgroup subsystem"
358 default n
359 help
360 Provides a way to freeze and unfreeze all tasks in a
361 cgroup.
362
363 config KERNEL_CGROUP_DEVICE
364 bool "Device controller for cgroups"
365 default y
366 help
367 Provides a cgroup implementing whitelists for devices which
368 a process in the cgroup can mknod or open.
369
370 config KERNEL_CPUSETS
371 bool "Cpuset support"
372 default n
373 help
374 This option will let you create and manage CPUSETs which
375 allow dynamically partitioning a system into sets of CPUs and
376 Memory Nodes and assigning tasks to run only within those sets.
377 This is primarily useful on large SMP or NUMA systems.
378
379 config KERNEL_PROC_PID_CPUSET
380 bool "Include legacy /proc/<pid>/cpuset file"
381 default n
382 depends on KERNEL_CPUSETS
383
384 config KERNEL_CGROUP_CPUACCT
385 bool "Simple CPU accounting cgroup subsystem"
386 default n
387 help
388 Provides a simple Resource Controller for monitoring the
389 total CPU consumed by the tasks in a cgroup.
390
391 config KERNEL_RESOURCE_COUNTERS
392 bool "Resource counters"
393 default n
394 help
395 This option enables controller independent resource accounting
396 infrastructure that works with cgroups.
397
398 config KERNEL_MM_OWNER
399 bool
400 default y if KERNEL_MEMCG
401
402 config KERNEL_MEMCG
403 bool "Memory Resource Controller for Control Groups"
404 default n
405 depends on KERNEL_RESOURCE_COUNTERS
406 help
407 Provides a memory resource controller that manages both anonymous
408 memory and page cache. (See Documentation/cgroups/memory.txt)
409
410 Note that setting this option increases fixed memory overhead
411 associated with each page of memory in the system. By this,
412 20(40)bytes/PAGE_SIZE on 32(64)bit system will be occupied by memory
413 usage tracking struct at boot. Total amount of this is printed out
414 at boot.
415
416 Only enable when you're ok with these trade offs and really
417 sure you need the memory resource controller. Even when you enable
418 this, you can set "cgroup_disable=memory" at your boot option to
419 disable memory resource controller and you can avoid overheads.
420 (and lose benefits of memory resource controller)
421
422 This config option also selects MM_OWNER config option, which
423 could in turn add some fork/exit overhead.
424
425 config KERNEL_MEMCG_SWAP
426 bool "Memory Resource Controller Swap Extension"
427 default n
428 depends on KERNEL_MEMCG
429 help
430 Add swap management feature to memory resource controller. When you
431 enable this, you can limit mem+swap usage per cgroup. In other words,
432 when you disable this, memory resource controller has no cares to
433 usage of swap...a process can exhaust all of the swap. This extension
434 is useful when you want to avoid exhaustion swap but this itself
435 adds more overheads and consumes memory for remembering information.
436 Especially if you use 32bit system or small memory system, please
437 be careful about enabling this. When memory resource controller
438 is disabled by boot option, this will be automatically disabled and
439 there will be no overhead from this. Even when you set this config=y,
440 if boot option "swapaccount=0" is set, swap will not be accounted.
441 Now, memory usage of swap_cgroup is 2 bytes per entry. If swap page
442 size is 4096bytes, 512k per 1Gbytes of swap.
443
444 config KERNEL_MEMCG_SWAP_ENABLED
445 bool "Memory Resource Controller Swap Extension enabled by default"
446 default n
447 depends on KERNEL_MEMCG_SWAP
448 help
449 Memory Resource Controller Swap Extension comes with its price in
450 a bigger memory consumption. General purpose distribution kernels
451 which want to enable the feature but keep it disabled by default
452 and let the user enable it by swapaccount boot command line
453 parameter should have this option unselected.
454 For those who want to have the feature enabled by default should
455 select this option (if, for some reason, they need to disable it
456 then swapaccount=0 does the trick).
457
458
459 config KERNEL_MEMCG_KMEM
460 bool "Memory Resource Controller Kernel Memory accounting (EXPERIMENTAL)"
461 default n
462 depends on KERNEL_MEMCG
463 help
464 The Kernel Memory extension for Memory Resource Controller can limit
465 the amount of memory used by kernel objects in the system. Those are
466 fundamentally different from the entities handled by the standard
467 Memory Controller, which are page-based, and can be swapped. Users of
468 the kmem extension can use it to guarantee that no group of processes
469 will ever exhaust kernel resources alone.
470
471 config KERNEL_CGROUP_PERF
472 bool "Enable perf_event per-cpu per-container group (cgroup) monitoring"
473 default n
474 select KERNEL_PERF_EVENTS
475 help
476 This option extends the per-cpu mode to restrict monitoring to
477 threads which belong to the cgroup specified and run on the
478 designated cpu.
479
480 menuconfig KERNEL_CGROUP_SCHED
481 bool "Group CPU scheduler"
482 default n
483 help
484 This feature lets CPU scheduler recognize task groups and control CPU
485 bandwidth allocation to such task groups. It uses cgroups to group
486 tasks.
487
488 if KERNEL_CGROUP_SCHED
489
490 config KERNEL_FAIR_GROUP_SCHED
491 bool "Group scheduling for SCHED_OTHER"
492 default n
493
494 config KERNEL_CFS_BANDWIDTH
495 bool "CPU bandwidth provisioning for FAIR_GROUP_SCHED"
496 default n
497 depends on KERNEL_FAIR_GROUP_SCHED
498 help
499 This option allows users to define CPU bandwidth rates (limits) for
500 tasks running within the fair group scheduler. Groups with no limit
501 set are considered to be unconstrained and will run with no
502 restriction.
503 See tip/Documentation/scheduler/sched-bwc.txt for more information.
504
505 config KERNEL_RT_GROUP_SCHED
506 bool "Group scheduling for SCHED_RR/FIFO"
507 default n
508 help
509 This feature lets you explicitly allocate real CPU bandwidth
510 to task groups. If enabled, it will also make it impossible to
511 schedule realtime tasks for non-root users until you allocate
512 realtime bandwidth for them.
513
514 endif
515
516 config KERNEL_BLK_CGROUP
517 bool "Block IO controller"
518 default y
519 help
520 Generic block IO controller cgroup interface. This is the common
521 cgroup interface which should be used by various IO controlling
522 policies.
523
524 Currently, CFQ IO scheduler uses it to recognize task groups and
525 control disk bandwidth allocation (proportional time slice allocation)
526 to such task groups. It is also used by bio throttling logic in
527 block layer to implement upper limit in IO rates on a device.
528
529 This option only enables generic Block IO controller infrastructure.
530 One needs to also enable actual IO controlling logic/policy. For
531 enabling proportional weight division of disk bandwidth in CFQ, set
532 CONFIG_CFQ_GROUP_IOSCHED=y; for enabling throttling policy, set
533 CONFIG_BLK_DEV_THROTTLING=y.
534
535 config KERNEL_DEBUG_BLK_CGROUP
536 bool "Enable Block IO controller debugging"
537 default n
538 depends on KERNEL_BLK_CGROUP
539 help
540 Enable some debugging help. Currently it exports additional stat
541 files in a cgroup which can be useful for debugging.
542
543 config KERNEL_NET_CLS_CGROUP
544 bool "Control Group Classifier"
545 default y
546
547 config KERNEL_NETPRIO_CGROUP
548 bool "Network priority cgroup"
549 default y
550
551 endif
552
553 #
554 # Namespace support symbols
555 #
556
557 config KERNEL_NAMESPACES
558 bool "Enable kernel namespaces"
559 default n
560
561 if KERNEL_NAMESPACES
562
563 config KERNEL_UTS_NS
564 bool "UTS namespace"
565 default y
566 help
567 In this namespace tasks see different info provided
568 with the uname() system call
569
570 config KERNEL_IPC_NS
571 bool "IPC namespace"
572 default y
573 help
574 In this namespace tasks work with IPC ids which correspond to
575 different IPC objects in different namespaces.
576
577 config KERNEL_USER_NS
578 bool "User namespace (EXPERIMENTAL)"
579 default y
580 help
581 This allows containers, i.e. vservers, to use user namespaces
582 to provide different user info for different servers.
583
584 config KERNEL_PID_NS
585 bool "PID Namespaces"
586 default y
587 help
588 Support process id namespaces. This allows having multiple
589 processes with the same pid as long as they are in different
590 pid namespaces. This is a building block of containers.
591
592 config KERNEL_NET_NS
593 bool "Network namespace"
594 default y
595 help
596 Allow user space to create what appear to be multiple instances
597 of the network stack.
598
599 endif
600
601 #
602 # LXC related symbols
603 #
604
605 config KERNEL_LXC_MISC
606 bool "Enable miscellaneous LXC related options"
607 default n
608
609 if KERNEL_LXC_MISC
610
611 config KERNEL_DEVPTS_MULTIPLE_INSTANCES
612 bool "Support multiple instances of devpts"
613 default y
614 help
615 Enable support for multiple instances of devpts filesystem.
616 If you want to have isolated PTY namespaces (eg: in containers),
617 say Y here. Otherwise, say N. If enabled, each mount of devpts
618 filesystem with the '-o newinstance' option will create an
619 independent PTY namespace.
620
621 config KERNEL_POSIX_MQUEUE
622 bool "POSIX Message Queues"
623 default n
624 help
625 POSIX variant of message queues is a part of IPC. In POSIX message
626 queues every message has a priority which decides about succession
627 of receiving it by a process. If you want to compile and run
628 programs written e.g. for Solaris with use of its POSIX message
629 queues (functions mq_*) say Y here.
630
631 POSIX message queues are visible as a filesystem called 'mqueue'
632 and can be mounted somewhere if you want to do filesystem
633 operations on message queues.
634
635 endif
636
637 comment "Package build options"
638
639 config DEBUG
640 bool
641 prompt "Compile packages with debugging info"
642 default n
643 help
644 Adds -g3 to the CFLAGS
645
646 config IPV6
647 bool
648 prompt "Enable IPv6 support in packages"
649 default y
650 help
651 Enable IPV6 support in packages (passes --enable-ipv6 to configure scripts).
652
653 config PKG_BUILD_PARALLEL
654 bool
655 prompt "Compile certain packages parallelized"
656 default y
657 help
658 This adds a -jX option to certain packages that are known to
659 behave well for parallel build. By default the package make processes
660 use the main jobserver, in which case this option only takes effect
661 when you add -jX to the make command.
662
663 If you are unsure, select N.
664
665 config PKG_BUILD_USE_JOBSERVER
666 bool
667 prompt "Use top-level make jobserver for packages"
668 depends on PKG_BUILD_PARALLEL
669 default y
670 help
671 This passes the main make process jobserver fds to package builds,
672 enabling full parallelization across different packages
673
674 Note that disabling this may overcommit CPU resources depending on the
675 -j level of the main make process, the number of package
676 submake jobs selected below and the number of actual CPUs present.
677 Example: If the main make is passed a -j4 and the submake -j
678 is also set to 4, we may end up with 16 parallel make processes
679 in the worst case.
680
681
682 config PKG_BUILD_JOBS
683 int
684 prompt "Number of package submake jobs (2-512)"
685 range 2 512
686 default 2
687 depends on PKG_BUILD_PARALLEL && !PKG_BUILD_USE_JOBSERVER
688 help
689 The number of jobs (-jX) to pass to packages submake.
690
691 config PKG_DEFAULT_PARALLEL
692 bool
693 prompt "Parallelize the default package build rule (May break build)"
694 depends on PKG_BUILD_PARALLEL
695 depends on BROKEN
696 default n
697 help
698 Always set the default package build rules to parallel build.
699
700 WARNING: This may break build or kill your cat, as it builds
701 packages with multiple jobs that are probably not tested in
702 a parallel build environment.
703
704 Only say Y, if you don't mind fixing broken packages.
705 Before reporting build bugs, set this to N and re-run the build.
706
707 comment "Stripping options"
708
709 choice
710 prompt "Binary stripping method"
711 default USE_STRIP if EXTERNAL_TOOLCHAIN
712 default USE_STRIP if USE_GLIBC || USE_EGLIBC || USE_MUSL
713 default USE_SSTRIP
714 help
715 Select the binary stripping method you wish to use.
716
717 config NO_STRIP
718 bool "none"
719 help
720 This will install unstripped binaries (useful for native compiling/debugging)
721
722 config USE_STRIP
723 bool "strip"
724 help
725 This will install binaries stripped using strip from binutils
726
727
728 config USE_SSTRIP
729 bool "sstrip"
730 depends on !DEBUG
731 depends on !USE_GLIBC
732 depends on !USE_EGLIBC
733 help
734 This will install binaries stripped using sstrip
735 endchoice
736
737 config STRIP_ARGS
738 string
739 prompt "Strip arguments"
740 depends on USE_STRIP
741 default "--strip-unneeded --remove-section=.comment --remove-section=.note" if DEBUG
742 default "--strip-all"
743 help
744 Specifies arguments passed to the strip command when stripping binaries
745
746 config STRIP_KERNEL_EXPORTS
747 bool "Strip unnecessary exports from the kernel image"
748 help
749 Reduces kernel size by stripping unused kernel exports from the kernel image
750 Note that this might make the kernel incompatible with any kernel modules that
751 were not selected at the time the kernel image was created
752
753 config USE_MKLIBS
754 bool "Strip unnecessary functions from libraries"
755 help
756 Reduces libraries to only those functions that are necessary for using all
757 selected packages (including those selected as <M>)
758 Note that this will make the system libraries incompatible with most of the packages
759 that are not selected during the build process
760
761 choice
762 prompt "Preferred standard C++ library"
763 default USE_LIBSTDCXX if USE_EGLIBC
764 default USE_UCLIBCXX
765 help
766 Select the preferred standard C++ library for all packages that support this.
767
768 config USE_UCLIBCXX
769 bool "uClibc++"
770
771 config USE_LIBSTDCXX
772 bool "libstdc++"
773 endchoice
774
775 endmenu
776
777 menuconfig DEVEL
778 bool "Advanced configuration options (for developers)"
779 default n
780
781 config BROKEN
782 bool "Show broken platforms / packages" if DEVEL
783 default n
784
785 config DOWNLOAD_FOLDER
786 string "Download folder" if DEVEL
787 default ""
788
789 config LOCALMIRROR
790 string "Local mirror for source packages" if DEVEL
791 default ""
792
793 config AUTOREBUILD
794 bool "Automatic rebuild of packages" if DEVEL
795 default y
796 help
797 Automatically rebuild packages when their files change
798
799 config BUILD_SUFFIX
800 string "Build suffix to append to the BUILD_DIR variable" if DEVEL
801 default ""
802 help
803 Build suffix to append to the BUILD_DIR variable, i.e: build_dir_suffix
804
805 config TARGET_ROOTFS_DIR
806 string "Override the default TARGET_ROOTFS_DIR variable" if DEVEL
807 default ""
808 help
809 Override the default TARGET_ROOTFS_DIR variable content $(BUILD_DIR) with custom path.
810 Use this option to re-define the location of the target root file system directory.
811
812 config CCACHE
813 bool "Use ccache" if DEVEL
814 default n
815 help
816 Compiler cache; see http://ccache.samba.org/
817
818 config EXTERNAL_KERNEL_TREE
819 string "Use external kernel tree" if DEVEL
820 default ""
821
822 config KERNEL_GIT_CLONE_URI
823 string "Enter git repository to clone" if DEVEL
824 default ""
825 help
826 Enter the full git repository path i.e.:
827 git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
828 This will create a git clone of the kernel in your build
829 directory.
830
831 config KERNEL_GIT_LOCAL_REPOSITORY
832 string "Enter path to local reference repository" if DEVEL
833 default ""
834 help
835 Enter a full pathname to a local reference git repository.
836 In this instance, the --refererence option of git clone will
837 be used thus creating a quick local clone of your repo.
838
839 config BUILD_LOG
840 bool "Enable log files during build process" if DEVEL
841 help
842 If enabled log files will be written to the ./log directory
843
844 config SRC_TREE_OVERRIDE
845 bool "Enable package source tree override" if DEVEL
846 help
847 If enabled, you can force a package to use a git tree as source
848 code instead of the normal tarball. Create a symlink 'git-src'
849 in the package directory, pointing to the .git tree that you want
850 to pull the source code from
851
852 config EXTRA_OPTIMIZATION
853 string "Additional compiler options" if DEVEL
854 default "-fno-caller-saves"
855 help
856 Extra Target-independent optimizations to use when building for the target.
857
858 menuconfig TARGET_OPTIONS
859 bool "Target Options" if DEVEL
860
861 config TARGET_OPTIMIZATION
862 string "Target Optimizations" if TARGET_OPTIONS
863 default DEFAULT_TARGET_OPTIMIZATION
864 help
865 Optimizations to use when building for the target host.
866
867 config SOFT_FLOAT
868 bool "Use software floating point by default" if TARGET_OPTIONS
869 default y
870 depends on (arm || armeb || powerpc || mipsel || mips || mips64el || mips64) && !HAS_FPU
871 help
872 If your target CPU does not have a Floating Point Unit (FPU) or a
873 kernel FPU emulator, but you still wish to support floating point
874 functions, then everything will need to be compiled with soft floating
875 point support (-msoft-float).
876
877 Most people will answer N.
878
879 config USE_MIPS16
880 bool "Build packages with MIPS16 instructions" if TARGET_OPTIONS
881 depends on HAS_MIPS16
882 help
883 If your target CPU does support the MIPS16 instruction set
884 and you want to use it for packages, enable this option.
885 MIPS16 produces smaller binaries thus reducing pressure on
886 caches and TLB.
887
888 Most people will answer N.
889
890 source "toolchain/Config.in"
891
892 source "target/imagebuilder/Config.in"
893 source "target/sdk/Config.in"
894 source "target/toolchain/Config.in"
895
896 source "tmp/.config-package.in"