+++ /dev/null
-config KERNEL_DEBUG_FS
- bool "Compile the kernel with Debug FileSystem enabled"
- default y
- help
- debugfs is a virtual file system that kernel developers use to put
- debugging files into. Enable this option to be able to read and
- write to these files.
-
-config KERNEL_PERF_EVENTS
- bool
- default n
-
-config KERNEL_PROFILING
- bool "Compile the kernel with profiling enabled"
- default n
- select KERNEL_PERF_EVENTS
- help
- Enable the extended profiling support mechanisms used by profilers such
- as OProfile.
-
-config KERNEL_KALLSYMS
- bool "Compile the kernel with symbol table information"
- default y
- help
- This will give you more information in stack traces from kernel oopses
-
-config KERNEL_FTRACE
- bool "Compile the kernel with tracing support"
- default n
-
-config KERNEL_FTRACE_SYSCALLS
- bool "Trace system calls"
- depends on KERNEL_FTRACE
- default n
-
-config KERNEL_ENABLE_DEFAULT_TRACERS
- bool "Trace process context switches and events"
- depends on KERNEL_FTRACE
- default n
-
-config KERNEL_DEBUG_KERNEL
- bool
- default n
-
-config KERNEL_DEBUG_INFO
- bool "Compile the kernel with debug information"
- default y
- select KERNEL_DEBUG_KERNEL
- help
- This will compile your kernel and modules with debug information.
-
-config KERNEL_DEBUG_LL_UART_NONE
- bool
- default n
- depends on arm
-
-config KERNEL_DEBUG_LL
- bool
- default n
- depends on arm
- select KERNEL_DEBUG_LL_UART_NONE
- help
- ARM low level debugging
-
-config KERNEL_EARLY_PRINTK
- bool "Compile the kernel with early printk"
- default n
- depends on arm
- select KERNEL_DEBUG_KERNEL
- select KERNEL_DEBUG_LL if arm
- help
- Compile the kernel with early printk support.
- This is only useful for debugging purposes to send messages
- over the serial console in early boot.
- Enable this to debug early boot problems.
-
-config KERNEL_AIO
- bool "Compile the kernel with asynchronous IO support"
- default n
-
-config KERNEL_DIRECT_IO
- bool "Compile the kernel with direct IO support"
- default n
-
-config KERNEL_MAGIC_SYSRQ
- bool "Compile the kernel with SysRq support"
- default y
-
-config KERNEL_COREDUMP
- bool
-
-config KERNEL_ELF_CORE
- bool "Enable process core dump support"
- select KERNEL_COREDUMP
- default y
-
-config KERNEL_PROVE_LOCKING
- bool "Enable kernel lock checking"
- select KERNEL_DEBUG_KERNEL
- default n
-
-config KERNEL_PRINTK_TIME
- bool "Enable printk timestamps"
- default y
-
-config KERNEL_RELAY
- bool
-
-config KERNEL_KEXEC
- bool "Enable kexec support"
-
-config USE_RFKILL
- bool "Enable rfkill support"
- default RFKILL_SUPPORT
-
-#
-# CGROUP support symbols
-#
-
-config KERNEL_CGROUPS
- bool "Enable kernel cgroups"
- default n
-
-if KERNEL_CGROUPS
-
- config KERNEL_CGROUP_DEBUG
- bool "Example debug cgroup subsystem"
- default n
- help
- This option enables a simple cgroup subsystem that
- exports useful debugging information about the cgroups
- framework.
-
- config KERNEL_FREEZER
- bool
- default y if KERNEL_CGROUP_FREEZER
-
- config KERNEL_CGROUP_FREEZER
- bool "Freezer cgroup subsystem"
- default n
- help
- Provides a way to freeze and unfreeze all tasks in a
- cgroup.
-
- config KERNEL_CGROUP_DEVICE
- bool "Device controller for cgroups"
- default y
- help
- Provides a cgroup implementing whitelists for devices which
- a process in the cgroup can mknod or open.
-
- config KERNEL_CPUSETS
- bool "Cpuset support"
- default n
- help
- This option will let you create and manage CPUSETs which
- allow dynamically partitioning a system into sets of CPUs and
- Memory Nodes and assigning tasks to run only within those sets.
- This is primarily useful on large SMP or NUMA systems.
-
- config KERNEL_PROC_PID_CPUSET
- bool "Include legacy /proc/<pid>/cpuset file"
- default n
- depends on KERNEL_CPUSETS
-
- config KERNEL_CGROUP_CPUACCT
- bool "Simple CPU accounting cgroup subsystem"
- default n
- help
- Provides a simple Resource Controller for monitoring the
- total CPU consumed by the tasks in a cgroup.
-
- config KERNEL_RESOURCE_COUNTERS
- bool "Resource counters"
- default n
- help
- This option enables controller independent resource accounting
- infrastructure that works with cgroups.
-
- config KERNEL_MM_OWNER
- bool
- default y if KERNEL_MEMCG
-
- config KERNEL_MEMCG
- bool "Memory Resource Controller for Control Groups"
- default n
- depends on KERNEL_RESOURCE_COUNTERS
- help
- Provides a memory resource controller that manages both anonymous
- memory and page cache. (See Documentation/cgroups/memory.txt)
-
- Note that setting this option increases fixed memory overhead
- associated with each page of memory in the system. By this,
- 20(40)bytes/PAGE_SIZE on 32(64)bit system will be occupied by memory
- usage tracking struct at boot. Total amount of this is printed out
- at boot.
-
- Only enable when you're ok with these trade offs and really
- sure you need the memory resource controller. Even when you enable
- this, you can set "cgroup_disable=memory" at your boot option to
- disable memory resource controller and you can avoid overheads.
- (and lose benefits of memory resource controller)
-
- This config option also selects MM_OWNER config option, which
- could in turn add some fork/exit overhead.
-
- config KERNEL_MEMCG_SWAP
- bool "Memory Resource Controller Swap Extension"
- default n
- depends on KERNEL_MEMCG
- help
- Add swap management feature to memory resource controller. When you
- enable this, you can limit mem+swap usage per cgroup. In other words,
- when you disable this, memory resource controller has no cares to
- usage of swap...a process can exhaust all of the swap. This extension
- is useful when you want to avoid exhaustion swap but this itself
- adds more overheads and consumes memory for remembering information.
- Especially if you use 32bit system or small memory system, please
- be careful about enabling this. When memory resource controller
- is disabled by boot option, this will be automatically disabled and
- there will be no overhead from this. Even when you set this config=y,
- if boot option "swapaccount=0" is set, swap will not be accounted.
- Now, memory usage of swap_cgroup is 2 bytes per entry. If swap page
- size is 4096bytes, 512k per 1Gbytes of swap.
-
- config KERNEL_MEMCG_SWAP_ENABLED
- bool "Memory Resource Controller Swap Extension enabled by default"
- default n
- depends on KERNEL_MEMCG_SWAP
- help
- Memory Resource Controller Swap Extension comes with its price in
- a bigger memory consumption. General purpose distribution kernels
- which want to enable the feature but keep it disabled by default
- and let the user enable it by swapaccount boot command line
- parameter should have this option unselected.
- For those who want to have the feature enabled by default should
- select this option (if, for some reason, they need to disable it
- then swapaccount=0 does the trick).
-
-
- config KERNEL_MEMCG_KMEM
- bool "Memory Resource Controller Kernel Memory accounting (EXPERIMENTAL)"
- default n
- depends on KERNEL_MEMCG
- help
- The Kernel Memory extension for Memory Resource Controller can limit
- the amount of memory used by kernel objects in the system. Those are
- fundamentally different from the entities handled by the standard
- Memory Controller, which are page-based, and can be swapped. Users of
- the kmem extension can use it to guarantee that no group of processes
- will ever exhaust kernel resources alone.
-
- config KERNEL_PERF_EVENTS
- bool
- default y if KERNEL_CGROUP_PERF
-
- config KERNEL_CGROUP_PERF
- bool "Enable perf_event per-cpu per-container group (cgroup) monitoring"
- default n
- help
- This option extends the per-cpu mode to restrict monitoring to
- threads which belong to the cgroup specified and run on the
- designated cpu.
-
- menuconfig KERNEL_CGROUP_SCHED
- bool "Group CPU scheduler"
- default n
- help
- This feature lets CPU scheduler recognize task groups and control CPU
- bandwidth allocation to such task groups. It uses cgroups to group
- tasks.
-
- if KERNEL_CGROUP_SCHED
-
- config KERNEL_FAIR_GROUP_SCHED
- bool "Group scheduling for SCHED_OTHER"
- default n
-
- config KERNEL_CFS_BANDWIDTH
- bool "CPU bandwidth provisioning for FAIR_GROUP_SCHED"
- default n
- depends on KERNEL_FAIR_GROUP_SCHED
- help
- This option allows users to define CPU bandwidth rates (limits) for
- tasks running within the fair group scheduler. Groups with no limit
- set are considered to be unconstrained and will run with no
- restriction.
- See tip/Documentation/scheduler/sched-bwc.txt for more information.
-
- config KERNEL_RT_GROUP_SCHED
- bool "Group scheduling for SCHED_RR/FIFO"
- default n
- help
- This feature lets you explicitly allocate real CPU bandwidth
- to task groups. If enabled, it will also make it impossible to
- schedule realtime tasks for non-root users until you allocate
- realtime bandwidth for them.
-
- endif
-
- config KERNEL_BLK_CGROUP
- bool "Block IO controller"
- default y
- help
- Generic block IO controller cgroup interface. This is the common
- cgroup interface which should be used by various IO controlling
- policies.
-
- Currently, CFQ IO scheduler uses it to recognize task groups and
- control disk bandwidth allocation (proportional time slice allocation)
- to such task groups. It is also used by bio throttling logic in
- block layer to implement upper limit in IO rates on a device.
-
- This option only enables generic Block IO controller infrastructure.
- One needs to also enable actual IO controlling logic/policy. For
- enabling proportional weight division of disk bandwidth in CFQ, set
- CONFIG_CFQ_GROUP_IOSCHED=y; for enabling throttling policy, set
- CONFIG_BLK_DEV_THROTTLING=y.
-
- config KERNEL_DEBUG_BLK_CGROUP
- bool "Enable Block IO controller debugging"
- default n
- depends on KERNEL_BLK_CGROUP
- help
- Enable some debugging help. Currently it exports additional stat
- files in a cgroup which can be useful for debugging.
-
- config KERNEL_NET_CLS_CGROUP
- bool "Control Group Classifier"
- default y
-
- config KERNEL_NETPRIO_CGROUP
- bool "Network priority cgroup"
- default y
-
-endif
-
-#
-# Namespace support symbols
-#
-
-config KERNEL_NAMESPACES
- bool "Enable kernel namespaces"
- default n
-
-if KERNEL_NAMESPACES
-
- config KERNEL_UTS_NS
- bool "UTS namespace"
- default y
- help
- In this namespace tasks see different info provided
- with the uname() system call
-
- config KERNEL_IPC_NS
- bool "IPC namespace"
- default y
- help
- In this namespace tasks work with IPC ids which correspond to
- different IPC objects in different namespaces.
-
- config KERNEL_USER_NS
- bool "User namespace (EXPERIMENTAL)"
- default y
- help
- This allows containers, i.e. vservers, to use user namespaces
- to provide different user info for different servers.
-
- config KERNEL_PID_NS
- bool "PID Namespaces"
- default y
- help
- Support process id namespaces. This allows having multiple
- processes with the same pid as long as they are in different
- pid namespaces. This is a building block of containers.
-
- config KERNEL_NET_NS
- bool "Network namespace"
- default y
- help
- Allow user space to create what appear to be multiple instances
- of the network stack.
-
-endif
-
-#
-# LXC related symbols
-#
-
-config KERNEL_LXC_MISC
- bool "Enable miscellaneous LXC related options"
- default n
-
-if KERNEL_LXC_MISC
-
- config KERNEL_DEVPTS_MULTIPLE_INSTANCES
- bool "Support multiple instances of devpts"
- default y
- help
- Enable support for multiple instances of devpts filesystem.
- If you want to have isolated PTY namespaces (eg: in containers),
- say Y here. Otherwise, say N. If enabled, each mount of devpts
- filesystem with the '-o newinstance' option will create an
- independent PTY namespace.
-
- config KERNEL_POSIX_MQUEUE
- bool "POSIX Message Queues"
- default n
- help
- POSIX variant of message queues is a part of IPC. In POSIX message
- queues every message has a priority which decides about succession
- of receiving it by a process. If you want to compile and run
- programs written e.g. for Solaris with use of its POSIX message
- queues (functions mq_*) say Y here.
-
- POSIX message queues are visible as a filesystem called 'mqueue'
- and can be mounted somewhere if you want to do filesystem
- operations on message queues.
-
-endif
-# Copyright (C) 2006-2012 OpenWrt.org
+# Copyright (C) 2006-2013 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
source "target/Config.in"
-menu "Target Images"
+source "config/Config-images.in"
- menuconfig TARGET_ROOTFS_INITRAMFS
- bool "ramdisk"
- default y if USES_INITRAMFS
- help
- Embed the rootfs into the kernel (initramfs)
+source "config/Config-build.in"
- choice
- prompt "Compression"
- default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ar71xx
- default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ramips
- default TARGET_INITRAMFS_COMPRESSION_NONE
- depends on TARGET_ROOTFS_INITRAMFS
- help
- Select ramdisk compression.
-
- config TARGET_INITRAMFS_COMPRESSION_NONE
- bool "none"
-
- config TARGET_INITRAMFS_COMPRESSION_GZIP
- bool "gzip"
-
- config TARGET_INITRAMFS_COMPRESSION_BZIP2
- bool "bzip2"
-
- config TARGET_INITRAMFS_COMPRESSION_LZMA
- bool "lzma"
-
- config TARGET_INITRAMFS_COMPRESSION_LZO
- bool "lzo"
-
- config TARGET_INITRAMFS_COMPRESSION_LZ4
- bool "lz4"
-
- config TARGET_INITRAMFS_COMPRESSION_XZ
- bool "xz"
- endchoice
-
- config EXTERNAL_CPIO
- string
- prompt "Use external cpio" if TARGET_ROOTFS_INITRAMFS
- default ""
- help
- Kernel uses specified external cpio as INITRAMFS_SOURCE
-
- comment "Root filesystem archives"
-
- config TARGET_ROOTFS_CPIOGZ
- bool "cpio.gz"
- default y if USES_CPIOGZ
- help
- Build a compressed cpio archive of the the root filesystem
-
- config TARGET_ROOTFS_TARGZ
- bool "tar.gz"
- default y if USES_TARGZ
- help
- Build a compressed tar archive of the the root filesystem
-
- comment "Root filesystem images"
-
- config TARGET_ROOTFS_EXT4FS
- bool "ext4"
- default y if USES_EXT4
- help
- Ext4 file system with some free space for uml images
-
- config TARGET_ROOTFS_ISO
- bool "iso"
- default n
- depends on TARGET_x86_generic
- help
- Create some bootable ISO image
-
- config TARGET_ROOTFS_JFFS2
- bool "jffs2"
- default y if USES_JFFS2
- help
- Build a jffs2 root filesystem
-
- config TARGET_ROOTFS_JFFS2_NAND
- bool "jffs2 for NAND"
- default y if USES_JFFS2_NAND
- depends on USES_JFFS2_NAND
- help
- Build a jffs2 root filesystem for NAND flash
-
- config TARGET_ROOTFS_SQUASHFS
- bool "squashfs"
- default y if USES_SQUASHFS
- help
- Build a squashfs-lzma root filesystem
-
- menuconfig TARGET_ROOTFS_UBIFS
- bool "ubifs"
- default y if USES_UBIFS
- depends on USES_UBIFS
- help
- Build a ubifs root filesystem
-
- choice
- prompt "compression"
- default TARGET_UBIFS_COMPRESSION_NONE
- depends on TARGET_ROOTFS_UBIFS
- help
- Select compression type
-
- config TARGET_UBIFS_COMPRESSION_NONE
- bool "none"
-
- config TARGET_UBIFS_COMPRESSION_LZO
- bool "lzo"
-
- config TARGET_UBIFS_COMPRESSION_ZLIB
- bool "zlib"
- endchoice
-
- config TARGET_UBIFS_FREE_SPACE_FIXUP
- bool "free space fixup" if TARGET_ROOTFS_UBIFS
- default y
- help
- The file-system free space has to be fixed up on first mount
-
- config TARGET_UBIFS_JOURNAL_SIZE
- string
- prompt "journal size" if TARGET_ROOTFS_UBIFS
- default ""
-
- comment "Image Options"
-
- source "target/linux/*/image/Config.in"
-
- config TARGET_ROOTFS_PARTSIZE
- int "Root filesystem partition size (in MB)"
- depends on X86_GRUB_IMAGES || TARGET_ROOTFS_EXT4FS || TARGET_rb532
- default 48
- help
- Allows you to change the root filesystem partition size
-
- config TARGET_ROOTFS_MAXINODE
- int "Maximum number of inodes in root filesystem"
- depends on TARGET_ROOTFS_EXT4FS
- default 6000
- help
- Allows you to change the maximum number of inodes in the root filesystem
-
- config TARGET_ROOTFS_RESERVED_PCT
- int "Percentage of reserved blocks in root filesystem"
- depends on TARGET_ROOTFS_EXT4FS
- default 0
- help
- Allows you to change the percentage of reserved blocks in the root filesystem
-
- menuconfig TARGET_ROOTFS_INCLUDE_KERNEL
- bool "Include kernel in root filesystem"
- depends on TARGET_ROOTFS_UBIFS || TARGET_ROOTFS_EXT4FS
- default n
- help
- Include the kernel image in the rootfs. Typically the image is placed
- below /boot.
-
- config TARGET_ROOTFS_INCLUDE_UIMAGE
- bool "include uImage" if TARGET_ROOTFS_INCLUDE_KERNEL
- default y
- help
- This option might not apply to all targets. Make sure
- to check target/linux/<your_target>/image/Makefile to
- see if this option will have any effect.
-
- config TARGET_ROOTFS_INCLUDE_ZIMAGE
- bool "include zImage" if TARGET_ROOTFS_INCLUDE_KERNEL
- default y
- help
- This option might not apply to all targets. Make sure
- to check target/linux/<your_target>/image/Makefile to
- see if this option will have any effect.
-
- config TARGET_ROOTFS_INCLUDE_FIT
- bool "include FIT" if TARGET_ROOTFS_INCLUDE_KERNEL
- default y
- help
- This option might not apply to all targets. Make sure
- to check target/linux/<your_target>/image/Makefile to
- see if this option will have any effect.
-
- config TARGET_ROOTFS_INCLUDE_DTB
- bool "Include DTB in root filesystem"
- depends on USES_DEVICETREE && (TARGET_ROOTFS_UBIFS || TARGET_ROOTFS_EXT4FS)
- default n
- help
- Include the device tree blob file(s) in the rootfs. Typically the DTBs
- are placed below /boot.
-
-endmenu
-
-menu "Global build settings"
-
- config ALL
- bool "Select all packages by default"
- default n
-
- comment "General build options"
-
- config DISPLAY_SUPPORT
- bool "Show packages that require graphics support (local or remote)"
- default n
-
- config BUILD_PATENTED
- default y
- bool "Compile with support for patented functionality"
- help
- When this option is disabled, software which provides patented functionality will not be built.
- In case software provides optional support for patented functionality,
- this optional support will get disabled for this package.
-
- config BUILD_NLS
- default n
- bool "Compile with full language support"
- help
- When this option is enabled, packages are built with the full versions of iconv and GNU gettext
- instead of the default OpenWrt stubs. If uClibc is used, it is also built with locale support.
-
- config BUILD_STATIC_TOOLS
- default n
- bool "Attempt to link host utilities statically"
- help
- Linking host utilities like sed or firmware-utils statically increases the portability of the
- generated ImageBuilder and SDK tarballs, however it may fail on some Linux distributions.
-
- config SHADOW_PASSWORDS
- bool
- prompt "Enable shadow password support"
- default y
- help
- Enable shadow password support.
-
- config CLEAN_IPKG
- bool
- prompt "Remove ipkg/opkg status data files in final images"
- default n
- help
- This removes all ipkg/opkg status data files from the target directory before building the root fs
-
- config COLLECT_KERNEL_DEBUG
- bool
- prompt "Collect kernel debug information"
- select KERNEL_DEBUG_INFO
- default n
- help
- This collects debugging symbols from the kernel and all compiled modules.
- Useful for release builds, so that kernel issues can be debugged offline later.
-
- comment "Kernel build options"
-
- source "Config-kernel.in"
-
- comment "Package build options"
-
- config DEBUG
- bool
- prompt "Compile packages with debugging info"
- default n
- help
- Adds -g3 to the CFLAGS
-
- config IPV6
- bool
- prompt "Enable IPv6 support in packages"
- default y
- help
- Enable IPV6 support in packages (passes --enable-ipv6 to configure scripts).
-
- config PKG_BUILD_PARALLEL
- bool
- prompt "Compile certain packages parallelized"
- default y
- help
- This adds a -jX option to certain packages that are known to
- behave well for parallel build. By default the package make processes
- use the main jobserver, in which case this option only takes effect
- when you add -jX to the make command.
-
- If you are unsure, select N.
-
- config PKG_BUILD_USE_JOBSERVER
- bool
- prompt "Use top-level make jobserver for packages"
- depends on PKG_BUILD_PARALLEL
- default y
- help
- This passes the main make process jobserver fds to package builds,
- enabling full parallelization across different packages
-
- Note that disabling this may overcommit CPU resources depending on the
- -j level of the main make process, the number of package
- submake jobs selected below and the number of actual CPUs present.
- Example: If the main make is passed a -j4 and the submake -j
- is also set to 4, we may end up with 16 parallel make processes
- in the worst case.
-
-
- config PKG_BUILD_JOBS
- int
- prompt "Number of package submake jobs (2-512)"
- range 2 512
- default 2
- depends on PKG_BUILD_PARALLEL && !PKG_BUILD_USE_JOBSERVER
- help
- The number of jobs (-jX) to pass to packages submake.
-
- config PKG_DEFAULT_PARALLEL
- bool
- prompt "Parallelize the default package build rule (May break build)"
- depends on PKG_BUILD_PARALLEL
- depends on BROKEN
- default n
- help
- Always set the default package build rules to parallel build.
-
- WARNING: This may break build or kill your cat, as it builds
- packages with multiple jobs that are probably not tested in
- a parallel build environment.
-
- Only say Y, if you don't mind fixing broken packages.
- Before reporting build bugs, set this to N and re-run the build.
-
- comment "Stripping options"
-
- choice
- prompt "Binary stripping method"
- default USE_STRIP if EXTERNAL_TOOLCHAIN
- default USE_STRIP if USE_GLIBC || USE_EGLIBC || USE_MUSL
- default USE_SSTRIP
- help
- Select the binary stripping method you wish to use.
-
- config NO_STRIP
- bool "none"
- help
- This will install unstripped binaries (useful for native compiling/debugging)
-
- config USE_STRIP
- bool "strip"
- help
- This will install binaries stripped using strip from binutils
-
-
- config USE_SSTRIP
- bool "sstrip"
- depends on !DEBUG
- depends on !USE_GLIBC
- depends on !USE_EGLIBC
- help
- This will install binaries stripped using sstrip
- endchoice
-
- config STRIP_ARGS
- string
- prompt "Strip arguments"
- depends on USE_STRIP
- default "--strip-unneeded --remove-section=.comment --remove-section=.note" if DEBUG
- default "--strip-all"
- help
- Specifies arguments passed to the strip command when stripping binaries
-
- config STRIP_KERNEL_EXPORTS
- bool "Strip unnecessary exports from the kernel image"
- help
- Reduces kernel size by stripping unused kernel exports from the kernel image
- Note that this might make the kernel incompatible with any kernel modules that
- were not selected at the time the kernel image was created
-
- config USE_MKLIBS
- bool "Strip unnecessary functions from libraries"
- help
- Reduces libraries to only those functions that are necessary for using all
- selected packages (including those selected as <M>)
- Note that this will make the system libraries incompatible with most of the packages
- that are not selected during the build process
-
- choice
- prompt "Preferred standard C++ library"
- default USE_LIBSTDCXX if USE_EGLIBC
- default USE_UCLIBCXX
- help
- Select the preferred standard C++ library for all packages that support this.
-
- config USE_UCLIBCXX
- bool "uClibc++"
-
- config USE_LIBSTDCXX
- bool "libstdc++"
- endchoice
-
-endmenu
-
-menuconfig DEVEL
- bool "Advanced configuration options (for developers)"
- default n
-
- config BROKEN
- bool "Show broken platforms / packages" if DEVEL
- default n
-
- config BINARY_FOLDER
- string "Binary folder" if DEVEL
- default ""
-
- config DOWNLOAD_FOLDER
- string "Download folder" if DEVEL
- default ""
-
- config LOCALMIRROR
- string "Local mirror for source packages" if DEVEL
- default ""
-
- config AUTOREBUILD
- bool "Automatic rebuild of packages" if DEVEL
- default y
- help
- Automatically rebuild packages when their files change
-
- config BUILD_SUFFIX
- string "Build suffix to append to the BUILD_DIR variable" if DEVEL
- default ""
- help
- Build suffix to append to the BUILD_DIR variable, i.e: build_dir_suffix
-
- config TARGET_ROOTFS_DIR
- string "Override the default TARGET_ROOTFS_DIR variable" if DEVEL
- default ""
- help
- Override the default TARGET_ROOTFS_DIR variable content $(BUILD_DIR) with custom path.
- Use this option to re-define the location of the target root file system directory.
-
- config CCACHE
- bool "Use ccache" if DEVEL
- default n
- help
- Compiler cache; see http://ccache.samba.org/
-
- config EXTERNAL_KERNEL_TREE
- string "Use external kernel tree" if DEVEL
- default ""
-
- config KERNEL_GIT_CLONE_URI
- string "Enter git repository to clone" if DEVEL
- default ""
- help
- Enter the full git repository path i.e.:
- git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
- This will create a git clone of the kernel in your build
- directory.
-
- config KERNEL_GIT_LOCAL_REPOSITORY
- string "Enter path to local reference repository" if DEVEL
- default ""
- help
- Enter a full pathname to a local reference git repository.
- In this instance, the --refererence option of git clone will
- be used thus creating a quick local clone of your repo.
-
- config BUILD_LOG
- bool "Enable log files during build process" if DEVEL
- help
- If enabled log files will be written to the ./log directory
-
- config SRC_TREE_OVERRIDE
- bool "Enable package source tree override" if DEVEL
- help
- If enabled, you can force a package to use a git tree as source
- code instead of the normal tarball. Create a symlink 'git-src'
- in the package directory, pointing to the .git tree that you want
- to pull the source code from
-
- config EXTRA_OPTIMIZATION
- string "Additional compiler options" if DEVEL
- default "-fno-caller-saves"
- help
- Extra Target-independent optimizations to use when building for the target.
-
-menuconfig TARGET_OPTIONS
- bool "Target Options" if DEVEL
-
- config TARGET_OPTIMIZATION
- string "Target Optimizations" if TARGET_OPTIONS
- default DEFAULT_TARGET_OPTIMIZATION
- help
- Optimizations to use when building for the target host.
-
- config SOFT_FLOAT
- bool "Use software floating point by default" if TARGET_OPTIONS
- default y
- depends on (arm || armeb || powerpc || mipsel || mips || mips64el || mips64) && !HAS_FPU
- help
- If your target CPU does not have a Floating Point Unit (FPU) or a
- kernel FPU emulator, but you still wish to support floating point
- functions, then everything will need to be compiled with soft floating
- point support (-msoft-float).
-
- Most people will answer N.
-
- config USE_MIPS16
- bool "Build packages with MIPS16 instructions" if TARGET_OPTIONS
- depends on HAS_MIPS16
- depends on !GCC_VERSION_4_6
- default y
- help
- If your target CPU does support the MIPS16 instruction set
- and you want to use it for packages, enable this option.
- MIPS16 produces smaller binaries thus reducing pressure on
- caches and TLB.
-
- Most people will answer N.
+source "config/Config-devel.in"
source "toolchain/Config.in"
source "target/imagebuilder/Config.in"
+
source "target/sdk/Config.in"
+
source "target/toolchain/Config.in"
source "tmp/.config-package.in"
--- /dev/null
+# Copyright (C) 2006-2013 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+menu "Global build settings"
+
+ config ALL
+ bool "Select all packages by default"
+ default n
+
+ comment "General build options"
+
+ config DISPLAY_SUPPORT
+ bool "Show packages that require graphics support (local or remote)"
+ default n
+
+ config BUILD_PATENTED
+ default y
+ bool "Compile with support for patented functionality"
+ help
+ When this option is disabled, software which provides patented functionality will not be built.
+ In case software provides optional support for patented functionality,
+ this optional support will get disabled for this package.
+
+ config BUILD_NLS
+ default n
+ bool "Compile with full language support"
+ help
+ When this option is enabled, packages are built with the full versions of iconv and GNU gettext
+ instead of the default OpenWrt stubs. If uClibc is used, it is also built with locale support.
+
+ config BUILD_STATIC_TOOLS
+ default n
+ bool "Attempt to link host utilities statically"
+ help
+ Linking host utilities like sed or firmware-utils statically increases the portability of the
+ generated ImageBuilder and SDK tarballs, however it may fail on some Linux distributions.
+
+ config SHADOW_PASSWORDS
+ bool
+ prompt "Enable shadow password support"
+ default y
+ help
+ Enable shadow password support.
+
+ config CLEAN_IPKG
+ bool
+ prompt "Remove ipkg/opkg status data files in final images"
+ default n
+ help
+ This removes all ipkg/opkg status data files from the target directory before building the root fs
+
+ config COLLECT_KERNEL_DEBUG
+ bool
+ prompt "Collect kernel debug information"
+ select KERNEL_DEBUG_INFO
+ default n
+ help
+ This collects debugging symbols from the kernel and all compiled modules.
+ Useful for release builds, so that kernel issues can be debugged offline later.
+
+ comment "Kernel build options"
+
+ source "config/Config-kernel.in"
+
+ comment "Package build options"
+
+ config DEBUG
+ bool
+ prompt "Compile packages with debugging info"
+ default n
+ help
+ Adds -g3 to the CFLAGS
+
+ config IPV6
+ bool
+ prompt "Enable IPv6 support in packages"
+ default y
+ help
+ Enable IPV6 support in packages (passes --enable-ipv6 to configure scripts).
+
+ config PKG_BUILD_PARALLEL
+ bool
+ prompt "Compile certain packages parallelized"
+ default y
+ help
+ This adds a -jX option to certain packages that are known to
+ behave well for parallel build. By default the package make processes
+ use the main jobserver, in which case this option only takes effect
+ when you add -jX to the make command.
+
+ If you are unsure, select N.
+
+ config PKG_BUILD_USE_JOBSERVER
+ bool
+ prompt "Use top-level make jobserver for packages"
+ depends on PKG_BUILD_PARALLEL
+ default y
+ help
+ This passes the main make process jobserver fds to package builds,
+ enabling full parallelization across different packages
+
+ Note that disabling this may overcommit CPU resources depending on the
+ -j level of the main make process, the number of package
+ submake jobs selected below and the number of actual CPUs present.
+ Example: If the main make is passed a -j4 and the submake -j
+ is also set to 4, we may end up with 16 parallel make processes
+ in the worst case.
+
+
+ config PKG_BUILD_JOBS
+ int
+ prompt "Number of package submake jobs (2-512)"
+ range 2 512
+ default 2
+ depends on PKG_BUILD_PARALLEL && !PKG_BUILD_USE_JOBSERVER
+ help
+ The number of jobs (-jX) to pass to packages submake.
+
+ config PKG_DEFAULT_PARALLEL
+ bool
+ prompt "Parallelize the default package build rule (May break build)"
+ depends on PKG_BUILD_PARALLEL
+ depends on BROKEN
+ default n
+ help
+ Always set the default package build rules to parallel build.
+
+ WARNING: This may break build or kill your cat, as it builds
+ packages with multiple jobs that are probably not tested in
+ a parallel build environment.
+
+ Only say Y, if you don't mind fixing broken packages.
+ Before reporting build bugs, set this to N and re-run the build.
+
+ comment "Stripping options"
+
+ choice
+ prompt "Binary stripping method"
+ default USE_STRIP if EXTERNAL_TOOLCHAIN
+ default USE_STRIP if USE_GLIBC || USE_EGLIBC || USE_MUSL
+ default USE_SSTRIP
+ help
+ Select the binary stripping method you wish to use.
+
+ config NO_STRIP
+ bool "none"
+ help
+ This will install unstripped binaries (useful for native compiling/debugging)
+
+ config USE_STRIP
+ bool "strip"
+ help
+ This will install binaries stripped using strip from binutils
+
+
+ config USE_SSTRIP
+ bool "sstrip"
+ depends on !DEBUG
+ depends on !USE_GLIBC
+ depends on !USE_EGLIBC
+ help
+ This will install binaries stripped using sstrip
+ endchoice
+
+ config STRIP_ARGS
+ string
+ prompt "Strip arguments"
+ depends on USE_STRIP
+ default "--strip-unneeded --remove-section=.comment --remove-section=.note" if DEBUG
+ default "--strip-all"
+ help
+ Specifies arguments passed to the strip command when stripping binaries
+
+ config STRIP_KERNEL_EXPORTS
+ bool "Strip unnecessary exports from the kernel image"
+ help
+ Reduces kernel size by stripping unused kernel exports from the kernel image
+ Note that this might make the kernel incompatible with any kernel modules that
+ were not selected at the time the kernel image was created
+
+ config USE_MKLIBS
+ bool "Strip unnecessary functions from libraries"
+ help
+ Reduces libraries to only those functions that are necessary for using all
+ selected packages (including those selected as <M>)
+ Note that this will make the system libraries incompatible with most of the packages
+ that are not selected during the build process
+
+ choice
+ prompt "Preferred standard C++ library"
+ default USE_LIBSTDCXX if USE_EGLIBC
+ default USE_UCLIBCXX
+ help
+ Select the preferred standard C++ library for all packages that support this.
+
+ config USE_UCLIBCXX
+ bool "uClibc++"
+
+ config USE_LIBSTDCXX
+ bool "libstdc++"
+ endchoice
+
+endmenu
--- /dev/null
+# Copyright (C) 2006-2013 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+menuconfig DEVEL
+ bool "Advanced configuration options (for developers)"
+ default n
+
+ config BROKEN
+ bool "Show broken platforms / packages" if DEVEL
+ default n
+
+ config BINARY_FOLDER
+ string "Binary folder" if DEVEL
+ default ""
+
+ config DOWNLOAD_FOLDER
+ string "Download folder" if DEVEL
+ default ""
+
+ config LOCALMIRROR
+ string "Local mirror for source packages" if DEVEL
+ default ""
+
+ config AUTOREBUILD
+ bool "Automatic rebuild of packages" if DEVEL
+ default y
+ help
+ Automatically rebuild packages when their files change
+
+ config BUILD_SUFFIX
+ string "Build suffix to append to the BUILD_DIR variable" if DEVEL
+ default ""
+ help
+ Build suffix to append to the BUILD_DIR variable, i.e: build_dir_suffix
+
+ config TARGET_ROOTFS_DIR
+ string "Override the default TARGET_ROOTFS_DIR variable" if DEVEL
+ default ""
+ help
+ Override the default TARGET_ROOTFS_DIR variable content $(BUILD_DIR) with custom path.
+ Use this option to re-define the location of the target root file system directory.
+
+ config CCACHE
+ bool "Use ccache" if DEVEL
+ default n
+ help
+ Compiler cache; see http://ccache.samba.org/
+
+ config EXTERNAL_KERNEL_TREE
+ string "Use external kernel tree" if DEVEL
+ default ""
+
+ config KERNEL_GIT_CLONE_URI
+ string "Enter git repository to clone" if DEVEL
+ default ""
+ help
+ Enter the full git repository path i.e.:
+ git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
+ This will create a git clone of the kernel in your build
+ directory.
+
+ config KERNEL_GIT_LOCAL_REPOSITORY
+ string "Enter path to local reference repository" if DEVEL
+ default ""
+ help
+ Enter a full pathname to a local reference git repository.
+ In this instance, the --refererence option of git clone will
+ be used thus creating a quick local clone of your repo.
+
+ config BUILD_LOG
+ bool "Enable log files during build process" if DEVEL
+ help
+ If enabled log files will be written to the ./log directory
+
+ config SRC_TREE_OVERRIDE
+ bool "Enable package source tree override" if DEVEL
+ help
+ If enabled, you can force a package to use a git tree as source
+ code instead of the normal tarball. Create a symlink 'git-src'
+ in the package directory, pointing to the .git tree that you want
+ to pull the source code from
+
+ config EXTRA_OPTIMIZATION
+ string "Additional compiler options" if DEVEL
+ default "-fno-caller-saves"
+ help
+ Extra Target-independent optimizations to use when building for the target.
--- /dev/null
+# Copyright (C) 2006-2013 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+menu "Target Images"
+
+ menuconfig TARGET_ROOTFS_INITRAMFS
+ bool "ramdisk"
+ default y if USES_INITRAMFS
+ help
+ Embed the rootfs into the kernel (initramfs)
+
+ choice
+ prompt "Compression"
+ default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ar71xx
+ default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ramips
+ default TARGET_INITRAMFS_COMPRESSION_NONE
+ depends on TARGET_ROOTFS_INITRAMFS
+ help
+ Select ramdisk compression.
+
+ config TARGET_INITRAMFS_COMPRESSION_NONE
+ bool "none"
+
+ config TARGET_INITRAMFS_COMPRESSION_GZIP
+ bool "gzip"
+
+ config TARGET_INITRAMFS_COMPRESSION_BZIP2
+ bool "bzip2"
+
+ config TARGET_INITRAMFS_COMPRESSION_LZMA
+ bool "lzma"
+
+ config TARGET_INITRAMFS_COMPRESSION_LZO
+ bool "lzo"
+
+ config TARGET_INITRAMFS_COMPRESSION_LZ4
+ bool "lz4"
+
+ config TARGET_INITRAMFS_COMPRESSION_XZ
+ bool "xz"
+ endchoice
+
+ config EXTERNAL_CPIO
+ string
+ prompt "Use external cpio" if TARGET_ROOTFS_INITRAMFS
+ default ""
+ help
+ Kernel uses specified external cpio as INITRAMFS_SOURCE
+
+ comment "Root filesystem archives"
+
+ config TARGET_ROOTFS_CPIOGZ
+ bool "cpio.gz"
+ default y if USES_CPIOGZ
+ help
+ Build a compressed cpio archive of the the root filesystem
+
+ config TARGET_ROOTFS_TARGZ
+ bool "tar.gz"
+ default y if USES_TARGZ
+ help
+ Build a compressed tar archive of the the root filesystem
+
+ comment "Root filesystem images"
+
+ config TARGET_ROOTFS_EXT4FS
+ bool "ext4"
+ default y if USES_EXT4
+ help
+ Ext4 file system with some free space for uml images
+
+ config TARGET_ROOTFS_ISO
+ bool "iso"
+ default n
+ depends on TARGET_x86_generic
+ help
+ Create some bootable ISO image
+
+ config TARGET_ROOTFS_JFFS2
+ bool "jffs2"
+ default y if USES_JFFS2
+ help
+ Build a jffs2 root filesystem
+
+ config TARGET_ROOTFS_JFFS2_NAND
+ bool "jffs2 for NAND"
+ default y if USES_JFFS2_NAND
+ depends on USES_JFFS2_NAND
+ help
+ Build a jffs2 root filesystem for NAND flash
+
+ config TARGET_ROOTFS_SQUASHFS
+ bool "squashfs"
+ default y if USES_SQUASHFS
+ help
+ Build a squashfs-lzma root filesystem
+
+ menuconfig TARGET_ROOTFS_UBIFS
+ bool "ubifs"
+ default y if USES_UBIFS
+ depends on USES_UBIFS
+ help
+ Build a ubifs root filesystem
+
+ choice
+ prompt "compression"
+ default TARGET_UBIFS_COMPRESSION_NONE
+ depends on TARGET_ROOTFS_UBIFS
+ help
+ Select compression type
+
+ config TARGET_UBIFS_COMPRESSION_NONE
+ bool "none"
+
+ config TARGET_UBIFS_COMPRESSION_LZO
+ bool "lzo"
+
+ config TARGET_UBIFS_COMPRESSION_ZLIB
+ bool "zlib"
+ endchoice
+
+ config TARGET_UBIFS_FREE_SPACE_FIXUP
+ bool "free space fixup" if TARGET_ROOTFS_UBIFS
+ default y
+ help
+ The file-system free space has to be fixed up on first mount
+
+ config TARGET_UBIFS_JOURNAL_SIZE
+ string
+ prompt "journal size" if TARGET_ROOTFS_UBIFS
+ default ""
+
+ comment "Image Options"
+
+ source "target/linux/*/image/Config.in"
+
+ config TARGET_ROOTFS_PARTSIZE
+ int "Root filesystem partition size (in MB)"
+ depends on X86_GRUB_IMAGES || TARGET_ROOTFS_EXT4FS || TARGET_rb532
+ default 48
+ help
+ Allows you to change the root filesystem partition size
+
+ config TARGET_ROOTFS_MAXINODE
+ int "Maximum number of inodes in root filesystem"
+ depends on TARGET_ROOTFS_EXT4FS
+ default 6000
+ help
+ Allows you to change the maximum number of inodes in the root filesystem
+
+ config TARGET_ROOTFS_RESERVED_PCT
+ int "Percentage of reserved blocks in root filesystem"
+ depends on TARGET_ROOTFS_EXT4FS
+ default 0
+ help
+ Allows you to change the percentage of reserved blocks in the root filesystem
+
+ menuconfig TARGET_ROOTFS_INCLUDE_KERNEL
+ bool "Include kernel in root filesystem"
+ depends on TARGET_ROOTFS_UBIFS || TARGET_ROOTFS_EXT4FS
+ default n
+ help
+ Include the kernel image in the rootfs. Typically the image is placed
+ below /boot.
+
+ config TARGET_ROOTFS_INCLUDE_UIMAGE
+ bool "include uImage" if TARGET_ROOTFS_INCLUDE_KERNEL
+ default y
+ help
+ This option might not apply to all targets. Make sure
+ to check target/linux/<your_target>/image/Makefile to
+ see if this option will have any effect.
+
+ config TARGET_ROOTFS_INCLUDE_ZIMAGE
+ bool "include zImage" if TARGET_ROOTFS_INCLUDE_KERNEL
+ default y
+ help
+ This option might not apply to all targets. Make sure
+ to check target/linux/<your_target>/image/Makefile to
+ see if this option will have any effect.
+
+ config TARGET_ROOTFS_INCLUDE_FIT
+ bool "include FIT" if TARGET_ROOTFS_INCLUDE_KERNEL
+ default y
+ help
+ This option might not apply to all targets. Make sure
+ to check target/linux/<your_target>/image/Makefile to
+ see if this option will have any effect.
+
+ config TARGET_ROOTFS_INCLUDE_DTB
+ bool "Include DTB in root filesystem"
+ depends on USES_DEVICETREE && (TARGET_ROOTFS_UBIFS || TARGET_ROOTFS_EXT4FS)
+ default n
+ help
+ Include the device tree blob file(s) in the rootfs. Typically the DTBs
+ are placed below /boot.
+
+endmenu
--- /dev/null
+# Copyright (C) 2006-2013 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+config KERNEL_DEBUG_FS
+ bool "Compile the kernel with Debug FileSystem enabled"
+ default y
+ help
+ debugfs is a virtual file system that kernel developers use to put
+ debugging files into. Enable this option to be able to read and
+ write to these files.
+
+config KERNEL_PERF_EVENTS
+ bool
+ default n
+
+config KERNEL_PROFILING
+ bool "Compile the kernel with profiling enabled"
+ default n
+ select KERNEL_PERF_EVENTS
+ help
+ Enable the extended profiling support mechanisms used by profilers such
+ as OProfile.
+
+config KERNEL_KALLSYMS
+ bool "Compile the kernel with symbol table information"
+ default y
+ help
+ This will give you more information in stack traces from kernel oopses
+
+config KERNEL_FTRACE
+ bool "Compile the kernel with tracing support"
+ default n
+
+config KERNEL_FTRACE_SYSCALLS
+ bool "Trace system calls"
+ depends on KERNEL_FTRACE
+ default n
+
+config KERNEL_ENABLE_DEFAULT_TRACERS
+ bool "Trace process context switches and events"
+ depends on KERNEL_FTRACE
+ default n
+
+config KERNEL_DEBUG_KERNEL
+ bool
+ default n
+
+config KERNEL_DEBUG_INFO
+ bool "Compile the kernel with debug information"
+ default y
+ select KERNEL_DEBUG_KERNEL
+ help
+ This will compile your kernel and modules with debug information.
+
+config KERNEL_DEBUG_LL_UART_NONE
+ bool
+ default n
+ depends on arm
+
+config KERNEL_DEBUG_LL
+ bool
+ default n
+ depends on arm
+ select KERNEL_DEBUG_LL_UART_NONE
+ help
+ ARM low level debugging
+
+config KERNEL_EARLY_PRINTK
+ bool "Compile the kernel with early printk"
+ default n
+ depends on arm
+ select KERNEL_DEBUG_KERNEL
+ select KERNEL_DEBUG_LL if arm
+ help
+ Compile the kernel with early printk support.
+ This is only useful for debugging purposes to send messages
+ over the serial console in early boot.
+ Enable this to debug early boot problems.
+
+config KERNEL_AIO
+ bool "Compile the kernel with asynchronous IO support"
+ default n
+
+config KERNEL_DIRECT_IO
+ bool "Compile the kernel with direct IO support"
+ default n
+
+config KERNEL_MAGIC_SYSRQ
+ bool "Compile the kernel with SysRq support"
+ default y
+
+config KERNEL_COREDUMP
+ bool
+
+config KERNEL_ELF_CORE
+ bool "Enable process core dump support"
+ select KERNEL_COREDUMP
+ default y
+
+config KERNEL_PROVE_LOCKING
+ bool "Enable kernel lock checking"
+ select KERNEL_DEBUG_KERNEL
+ default n
+
+config KERNEL_PRINTK_TIME
+ bool "Enable printk timestamps"
+ default y
+
+config KERNEL_RELAY
+ bool
+
+config KERNEL_KEXEC
+ bool "Enable kexec support"
+
+config USE_RFKILL
+ bool "Enable rfkill support"
+ default RFKILL_SUPPORT
+
+#
+# CGROUP support symbols
+#
+
+config KERNEL_CGROUPS
+ bool "Enable kernel cgroups"
+ default n
+
+if KERNEL_CGROUPS
+
+ config KERNEL_CGROUP_DEBUG
+ bool "Example debug cgroup subsystem"
+ default n
+ help
+ This option enables a simple cgroup subsystem that
+ exports useful debugging information about the cgroups
+ framework.
+
+ config KERNEL_FREEZER
+ bool
+ default y if KERNEL_CGROUP_FREEZER
+
+ config KERNEL_CGROUP_FREEZER
+ bool "Freezer cgroup subsystem"
+ default n
+ help
+ Provides a way to freeze and unfreeze all tasks in a
+ cgroup.
+
+ config KERNEL_CGROUP_DEVICE
+ bool "Device controller for cgroups"
+ default y
+ help
+ Provides a cgroup implementing whitelists for devices which
+ a process in the cgroup can mknod or open.
+
+ config KERNEL_CPUSETS
+ bool "Cpuset support"
+ default n
+ help
+ This option will let you create and manage CPUSETs which
+ allow dynamically partitioning a system into sets of CPUs and
+ Memory Nodes and assigning tasks to run only within those sets.
+ This is primarily useful on large SMP or NUMA systems.
+
+ config KERNEL_PROC_PID_CPUSET
+ bool "Include legacy /proc/<pid>/cpuset file"
+ default n
+ depends on KERNEL_CPUSETS
+
+ config KERNEL_CGROUP_CPUACCT
+ bool "Simple CPU accounting cgroup subsystem"
+ default n
+ help
+ Provides a simple Resource Controller for monitoring the
+ total CPU consumed by the tasks in a cgroup.
+
+ config KERNEL_RESOURCE_COUNTERS
+ bool "Resource counters"
+ default n
+ help
+ This option enables controller independent resource accounting
+ infrastructure that works with cgroups.
+
+ config KERNEL_MM_OWNER
+ bool
+ default y if KERNEL_MEMCG
+
+ config KERNEL_MEMCG
+ bool "Memory Resource Controller for Control Groups"
+ default n
+ depends on KERNEL_RESOURCE_COUNTERS
+ help
+ Provides a memory resource controller that manages both anonymous
+ memory and page cache. (See Documentation/cgroups/memory.txt)
+
+ Note that setting this option increases fixed memory overhead
+ associated with each page of memory in the system. By this,
+ 20(40)bytes/PAGE_SIZE on 32(64)bit system will be occupied by memory
+ usage tracking struct at boot. Total amount of this is printed out
+ at boot.
+
+ Only enable when you're ok with these trade offs and really
+ sure you need the memory resource controller. Even when you enable
+ this, you can set "cgroup_disable=memory" at your boot option to
+ disable memory resource controller and you can avoid overheads.
+ (and lose benefits of memory resource controller)
+
+ This config option also selects MM_OWNER config option, which
+ could in turn add some fork/exit overhead.
+
+ config KERNEL_MEMCG_SWAP
+ bool "Memory Resource Controller Swap Extension"
+ default n
+ depends on KERNEL_MEMCG
+ help
+ Add swap management feature to memory resource controller. When you
+ enable this, you can limit mem+swap usage per cgroup. In other words,
+ when you disable this, memory resource controller has no cares to
+ usage of swap...a process can exhaust all of the swap. This extension
+ is useful when you want to avoid exhaustion swap but this itself
+ adds more overheads and consumes memory for remembering information.
+ Especially if you use 32bit system or small memory system, please
+ be careful about enabling this. When memory resource controller
+ is disabled by boot option, this will be automatically disabled and
+ there will be no overhead from this. Even when you set this config=y,
+ if boot option "swapaccount=0" is set, swap will not be accounted.
+ Now, memory usage of swap_cgroup is 2 bytes per entry. If swap page
+ size is 4096bytes, 512k per 1Gbytes of swap.
+
+ config KERNEL_MEMCG_SWAP_ENABLED
+ bool "Memory Resource Controller Swap Extension enabled by default"
+ default n
+ depends on KERNEL_MEMCG_SWAP
+ help
+ Memory Resource Controller Swap Extension comes with its price in
+ a bigger memory consumption. General purpose distribution kernels
+ which want to enable the feature but keep it disabled by default
+ and let the user enable it by swapaccount boot command line
+ parameter should have this option unselected.
+ For those who want to have the feature enabled by default should
+ select this option (if, for some reason, they need to disable it
+ then swapaccount=0 does the trick).
+
+
+ config KERNEL_MEMCG_KMEM
+ bool "Memory Resource Controller Kernel Memory accounting (EXPERIMENTAL)"
+ default n
+ depends on KERNEL_MEMCG
+ help
+ The Kernel Memory extension for Memory Resource Controller can limit
+ the amount of memory used by kernel objects in the system. Those are
+ fundamentally different from the entities handled by the standard
+ Memory Controller, which are page-based, and can be swapped. Users of
+ the kmem extension can use it to guarantee that no group of processes
+ will ever exhaust kernel resources alone.
+
+ config KERNEL_PERF_EVENTS
+ bool
+ default y if KERNEL_CGROUP_PERF
+
+ config KERNEL_CGROUP_PERF
+ bool "Enable perf_event per-cpu per-container group (cgroup) monitoring"
+ default n
+ help
+ This option extends the per-cpu mode to restrict monitoring to
+ threads which belong to the cgroup specified and run on the
+ designated cpu.
+
+ menuconfig KERNEL_CGROUP_SCHED
+ bool "Group CPU scheduler"
+ default n
+ help
+ This feature lets CPU scheduler recognize task groups and control CPU
+ bandwidth allocation to such task groups. It uses cgroups to group
+ tasks.
+
+ if KERNEL_CGROUP_SCHED
+
+ config KERNEL_FAIR_GROUP_SCHED
+ bool "Group scheduling for SCHED_OTHER"
+ default n
+
+ config KERNEL_CFS_BANDWIDTH
+ bool "CPU bandwidth provisioning for FAIR_GROUP_SCHED"
+ default n
+ depends on KERNEL_FAIR_GROUP_SCHED
+ help
+ This option allows users to define CPU bandwidth rates (limits) for
+ tasks running within the fair group scheduler. Groups with no limit
+ set are considered to be unconstrained and will run with no
+ restriction.
+ See tip/Documentation/scheduler/sched-bwc.txt for more information.
+
+ config KERNEL_RT_GROUP_SCHED
+ bool "Group scheduling for SCHED_RR/FIFO"
+ default n
+ help
+ This feature lets you explicitly allocate real CPU bandwidth
+ to task groups. If enabled, it will also make it impossible to
+ schedule realtime tasks for non-root users until you allocate
+ realtime bandwidth for them.
+
+ endif
+
+ config KERNEL_BLK_CGROUP
+ bool "Block IO controller"
+ default y
+ help
+ Generic block IO controller cgroup interface. This is the common
+ cgroup interface which should be used by various IO controlling
+ policies.
+
+ Currently, CFQ IO scheduler uses it to recognize task groups and
+ control disk bandwidth allocation (proportional time slice allocation)
+ to such task groups. It is also used by bio throttling logic in
+ block layer to implement upper limit in IO rates on a device.
+
+ This option only enables generic Block IO controller infrastructure.
+ One needs to also enable actual IO controlling logic/policy. For
+ enabling proportional weight division of disk bandwidth in CFQ, set
+ CONFIG_CFQ_GROUP_IOSCHED=y; for enabling throttling policy, set
+ CONFIG_BLK_DEV_THROTTLING=y.
+
+ config KERNEL_DEBUG_BLK_CGROUP
+ bool "Enable Block IO controller debugging"
+ default n
+ depends on KERNEL_BLK_CGROUP
+ help
+ Enable some debugging help. Currently it exports additional stat
+ files in a cgroup which can be useful for debugging.
+
+ config KERNEL_NET_CLS_CGROUP
+ bool "Control Group Classifier"
+ default y
+
+ config KERNEL_NETPRIO_CGROUP
+ bool "Network priority cgroup"
+ default y
+
+endif
+
+#
+# Namespace support symbols
+#
+
+config KERNEL_NAMESPACES
+ bool "Enable kernel namespaces"
+ default n
+
+if KERNEL_NAMESPACES
+
+ config KERNEL_UTS_NS
+ bool "UTS namespace"
+ default y
+ help
+ In this namespace tasks see different info provided
+ with the uname() system call
+
+ config KERNEL_IPC_NS
+ bool "IPC namespace"
+ default y
+ help
+ In this namespace tasks work with IPC ids which correspond to
+ different IPC objects in different namespaces.
+
+ config KERNEL_USER_NS
+ bool "User namespace (EXPERIMENTAL)"
+ default y
+ help
+ This allows containers, i.e. vservers, to use user namespaces
+ to provide different user info for different servers.
+
+ config KERNEL_PID_NS
+ bool "PID Namespaces"
+ default y
+ help
+ Support process id namespaces. This allows having multiple
+ processes with the same pid as long as they are in different
+ pid namespaces. This is a building block of containers.
+
+ config KERNEL_NET_NS
+ bool "Network namespace"
+ default y
+ help
+ Allow user space to create what appear to be multiple instances
+ of the network stack.
+
+endif
+
+#
+# LXC related symbols
+#
+
+config KERNEL_LXC_MISC
+ bool "Enable miscellaneous LXC related options"
+ default n
+
+if KERNEL_LXC_MISC
+
+ config KERNEL_DEVPTS_MULTIPLE_INSTANCES
+ bool "Support multiple instances of devpts"
+ default y
+ help
+ Enable support for multiple instances of devpts filesystem.
+ If you want to have isolated PTY namespaces (eg: in containers),
+ say Y here. Otherwise, say N. If enabled, each mount of devpts
+ filesystem with the '-o newinstance' option will create an
+ independent PTY namespace.
+
+ config KERNEL_POSIX_MQUEUE
+ bool "POSIX Message Queues"
+ default n
+ help
+ POSIX variant of message queues is a part of IPC. In POSIX message
+ queues every message has a priority which decides about succession
+ of receiving it by a process. If you want to compile and run
+ programs written e.g. for Solaris with use of its POSIX message
+ queues (functions mq_*) say Y here.
+
+ POSIX message queues are visible as a filesystem called 'mqueue'
+ and can be mounted somewhere if you want to do filesystem
+ operations on message queues.
+
+endif
+# Copyright (C) 2006-2013 OpenWrt.org
#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+menuconfig TARGET_OPTIONS
+ bool "Target Options" if DEVEL
+
+ config TARGET_OPTIMIZATION
+ string "Target Optimizations" if TARGET_OPTIONS
+ default DEFAULT_TARGET_OPTIMIZATION
+ help
+ Optimizations to use when building for the target host.
+
+ config SOFT_FLOAT
+ bool "Use software floating point by default" if TARGET_OPTIONS
+ default y
+ depends on (arm || armeb || powerpc || mipsel || mips || mips64el || mips64) && !HAS_FPU
+ help
+ If your target CPU does not have a Floating Point Unit (FPU) or a
+ kernel FPU emulator, but you still wish to support floating point
+ functions, then everything will need to be compiled with soft floating
+ point support (-msoft-float).
+
+ Most people will answer N.
+
+ config USE_MIPS16
+ bool "Build packages with MIPS16 instructions" if TARGET_OPTIONS
+ depends on HAS_MIPS16
+ depends on !GCC_VERSION_4_6
+ default y
+ help
+ If your target CPU does support the MIPS16 instruction set
+ and you want to use it for packages, enable this option.
+ MIPS16 produces smaller binaries thus reducing pressure on
+ caches and TLB.
+
+ Most people will answer N.
+
menuconfig EXTERNAL_TOOLCHAIN
bool
projects / openwrt / staging / nbd.git / commitdiff