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