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"