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