toolchain: get rid of eglibc version kconfig symbol overloading
[openwrt/openwrt.git] / Config.in
index f3db905f2444bcddb885099c9c1fafec37d1bd6d..0268cdd8e47e0bb09648891e08eaf96e67b2cd31 100644 (file)
--- a/Config.in
+++ b/Config.in
@@ -1,4 +1,4 @@
-# Copyright (C) 2006-2010 OpenWrt.org
+# Copyright (C) 2006-2012 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -6,6 +6,10 @@
 
 mainmenu "OpenWrt Configuration"
 
+config MODULES
+       bool
+       default y
+
 config HAVE_DOT_CONFIG
        bool
        default y
@@ -25,7 +29,7 @@ menu "Target Images"
                        default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ar71xx
                        default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ramips
                        default TARGET_INITRAMFS_COMPRESSION_NONE
-                       depends TARGET_ROOTFS_INITRAMFS
+                       depends on TARGET_ROOTFS_INITRAMFS
                        help
                          Select ramdisk compression.
 
@@ -43,8 +47,18 @@ menu "Target Images"
 
                        config TARGET_INITRAMFS_COMPRESSION_LZO
                                bool "lzo"
+
+                       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
@@ -64,35 +78,36 @@ menu "Target Images"
        config TARGET_ROOTFS_EXT4FS
                bool "ext4"
                default y if USES_EXT4
-               depends !TARGET_ROOTFS_INITRAMFS
+               depends on !TARGET_ROOTFS_INITRAMFS
                help
                  Ext4 file system with some free space for uml images
 
        config TARGET_ROOTFS_ISO
                bool "iso"
                default n
-               depends TARGET_ROOTFS_INITRAMFS && TARGET_x86
+               depends on TARGET_x86_generic
+               depends on !TARGET_ROOTFS_INITRAMFS
                help
                  Create some bootable ISO image
 
        config TARGET_ROOTFS_JFFS2
                bool "jffs2"
                default y if USES_JFFS2
-               depends !TARGET_ROOTFS_INITRAMFS
+               depends on !TARGET_ROOTFS_INITRAMFS
                help
                  Build a jffs2 root filesystem
 
        config TARGET_ROOTFS_SQUASHFS
                bool "squashfs"
                default y if USES_SQUASHFS
-               depends !TARGET_ROOTFS_INITRAMFS
+               depends on !TARGET_ROOTFS_INITRAMFS
                help
                  Build a squashfs-lzma root filesystem
 
        config TARGET_ROOTFS_UBIFS
                bool "ubifs"
                default y if USES_UBIFS
-               depends !TARGET_ROOTFS_INITRAMFS && USES_UBIFS
+               depends on !TARGET_ROOTFS_INITRAMFS && USES_UBIFS
                help
                  Build a ubifs root filesystem
 
@@ -102,18 +117,25 @@ menu "Target Images"
 
        config TARGET_ROOTFS_PARTSIZE
                int "Root filesystem partition size (in MB)"
-               depends X86_GRUB_IMAGES || TARGET_ROOTFS_EXT4FS || TARGET_rb532
+               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 TARGET_ROOTFS_EXT4FS
+               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
+
 endmenu
 
 menu "Global build settings"
@@ -136,12 +158,19 @@ menu "Global build settings"
                  In case software provides optional support for patented functionality,
                  this optional support will get disabled for this package.
 
-       config LARGEFILE
-               bool
-               prompt "Enable large file (files > 2 GB) support"
-               default y
+       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
-                 Enable large file (files > 2 GB) support.
+                 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
@@ -176,34 +205,54 @@ menu "Global build settings"
                  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 n
+               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_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 n
+               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
 
@@ -219,6 +268,185 @@ menu "Global build settings"
                  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
+
+       #
+       # CGROUP support symbols
+       #
+
+       config KERNEL_FREEZER
+               bool
+               default y if KERNEL_CGROUP_FREEZER
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_CGROUP_FREEZER
+               bool
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_CGROUP_DEVICE
+               bool
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_CPUSETS
+               bool
+               default y if KERNEL_CGROUP_CPUACCT
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_PROC_PID_CPUSET
+               bool
+               default y if KERNEL_CGROUP_CPUACCT
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_CGROUP_CPUACCT
+               bool
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_RESOURCE_COUNTERS
+               bool
+               default y if KERNEL_CGROUP_MEM_RES_CTLR
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_CGROUP_MEM_RES_CTLR
+               bool
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_CGROUP_MEM_RES_CTLR_SWAP
+               bool
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_CGROUP_MEM_RES_CTLR_SWAP_ENABLED
+               bool
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_CGROUP_MEM_RES_CTLR_KMEM
+               bool
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_CGROUP_PERF
+               bool
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_CFS_BANDWIDTH
+               bool
+               default y if KERNEL_FAIR_GROUP_SCHED
+               depends on KERNEL_CGROUP_SCHED
+
+       config KERNEL_FAIR_GROUP_SCHED
+               bool
+               default y if KERNEL_CGROUP_SCHED
+               depends on KERNEL_CGROUP_SCHED
+
+       config KERNEL_RT_GROUP_SCHED
+               bool
+               default y if KERNEL_CGROUP_SCHED
+               depends on KERNEL_CGROUP_SCHED
+
+       config KERNEL_CGROUP_SCHED
+               bool
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_NET_CLS_CGROUP
+               bool
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_NETPRIO_CGROUP
+               bool
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_BLK_CGROUP
+               bool
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_DEBUG_BLK_CGROUP
+               bool
+               default n if KERNEL_CGROUPS
+               depends on KERNEL_CGROUPS
+
+       config KERNEL_CGROUPS
+               bool "Enable kernel cgroups"
+               default n
+               select KERNEL_CGROUP_FREEZER
+               select KERNEL_CGROUP_DEVICE
+               select KERNEL_CGROUP_CPUACCT
+               select KERNEL_CGROUP_MEM_RES_CTLR
+               select KERNEL_CGROUP_MEM_RES_CTLR_SWAP
+               select KERNEL_CGROUP_MEM_RES_CTLR_SWAP_ENABLED
+               select KERNEL_CGROUP_MEM_RES_CTLR_KMEM
+               select KERNEL_CGROUP_PERF
+               select KERNEL_CGROUP_SCHED
+               select KERNEL_NET_CLS_CGROUP
+               select KERNEL_NETPRIO_CGROUP
+               select KERNEL_BLK_CGROUP
+
+       #
+       # Namespace support symbols
+       #
+
+       config KERNEL_UTS_NS
+               bool
+               depends on KERNEL_NAMESPACES
+
+       config KERNEL_IPC_NS
+               bool
+               depends on KERNEL_NAMESPACES
+
+       config KERNEL_USER_NS
+               bool
+               depends on KERNEL_NAMESPACES
+
+       config KERNEL_PID_NS
+               bool
+               depends on KERNEL_NAMESPACES
+
+       config KERNEL_NET_NS
+               bool
+               depends on KERNEL_NAMESPACES
+
+       config KERNEL_DEVPTS_MULTIPLE_INSTANCES
+               bool
+               depends on KERNEL_NAMESPACES
+
+       config KERNEL_NAMESPACES
+               bool "Enable kernel namespaces"
+               default n
+               select KERNEL_UTS_NS
+               select KERNEL_IPC_NS
+               select KERNEL_USER_NS
+               select KERNEL_PID_NS
+               select KERNEL_NET_NS
+               select KERNEL_DEVPTS_MULTIPLE_INSTANCES
+
+
        comment "Package build options"
 
        config DEBUG
@@ -238,32 +466,38 @@ menu "Global build settings"
        config PKG_BUILD_PARALLEL
                bool
                prompt "Compile certain packages parallelized"
-               default n
+               default y
                help
                  This adds a -jX option to certain packages that are known to
-                 behave well for parallel build.
+                 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.
 
-                 Note that this may overcommit CPU resources depending on the
+       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.
 
-                 You get maximum build performance, if you set the package build
-                 jobs to the number of CPUs (cores) available and also start the main
-                 make process with -jX, where X is the number of CPUs (cores).
-                 However, make sure you have enough RAM available for
-                 NR_CPUS to the power of two (NR_CPUS^2) make jobs.
-
-                 If you are unsure, select N.
 
        config PKG_BUILD_JOBS
                int
                prompt "Number of package submake jobs (2-512)"
                range 2 512
                default 2
-               depends on PKG_BUILD_PARALLEL
+               depends on PKG_BUILD_PARALLEL && !PKG_BUILD_USE_JOBSERVER
                help
                  The number of jobs (-jX) to pass to packages submake.
 
@@ -271,6 +505,7 @@ menu "Global build settings"
                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.
@@ -282,25 +517,12 @@ menu "Global build settings"
                  Only say Y, if you don't mind fixing broken packages.
                  Before reporting build bugs, set this to N and re-run the build.
 
-       config TOOLCHAIN_PARALLEL
-               bool
-               prompt "Parallelize the toolchain build (May break build)"
-               depends on PKG_BUILD_PARALLEL
-               default n
-               help
-                 Build the toolchain with parallel make jobs.
-                 This speeds up the toolchain build on SMP machines, but may
-                 break the build for certain toolchain versions.
-
-                 If you say Y, toolchain build might break.
-                 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
+               default USE_STRIP   if USE_GLIBC || USE_EGLIBC || USE_MUSL
                default USE_SSTRIP
                help
                  Select the binary stripping method you wish to use.
@@ -318,9 +540,9 @@ menu "Global build settings"
 
                config USE_SSTRIP
                        bool "sstrip"
-                       depends !DEBUG
-                       depends !USE_GLIBC
-                       depends !USE_EGLIBC
+                       depends on !DEBUG
+                       depends on !USE_GLIBC
+                       depends on !USE_EGLIBC
                        help
                          This will install binaries stripped using sstrip
        endchoice
@@ -328,7 +550,7 @@ menu "Global build settings"
        config STRIP_ARGS
                string
                prompt "Strip arguments"
-               depends USE_STRIP
+               depends on USE_STRIP
                default "--strip-unneeded --remove-section=.comment --remove-section=.note" if DEBUG
                default "--strip-all"
                help
@@ -349,6 +571,22 @@ menu "Global build settings"
                  Note that this will make the system libraries incompatible with most of the packages
                  that are not selected during the build process
 
+       if INSTALL_LIBSTDCPP
+               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
+       endif
+
 endmenu
 
 menuconfig DEVEL
@@ -413,6 +651,19 @@ menuconfig DEVEL
                  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
+
 menuconfig TARGET_OPTIONS
        bool "Target Options"  if DEVEL
 
@@ -425,7 +676,7 @@ menuconfig TARGET_OPTIONS
        config SOFT_FLOAT
                bool "Use software floating point by default" if TARGET_OPTIONS
                default y
-               depends on (arm || armeb || powerpc || mipsel || mips) && !HAS_FPU
+               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
@@ -434,6 +685,17 @@ menuconfig TARGET_OPTIONS
 
                  Most people will answer N.
 
+       config USE_MIPS16
+               bool "Build packages with MIPS16 instructions" if TARGET_OPTIONS
+               depends on HAS_MIPS16
+               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 "toolchain/Config.in"
 
 source "target/imagebuilder/Config.in"