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