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