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