ar71xx: image: add IMAGE_PROFILE variable
[openwrt/svn-archive/archive.git] / Config.in
index 1f689c0..d6573a6 100644 (file)
--- a/Config.in
+++ b/Config.in
@@ -1,4 +1,4 @@
-# Copyright (C) 2006-2009 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
@@ -13,228 +17,405 @@ config HAVE_DOT_CONFIG
 source "target/Config.in"
 
 menu "Target Images"
-       config TARGET_ROOTFS_INITRAMFS
+
+       menuconfig TARGET_ROOTFS_INITRAMFS
                bool "ramdisk"
                default y if USES_INITRAMFS
-               depends LINUX_2_6
                help
                  Embed the rootfs into the kernel (initramfs)
 
-       choice
-               prompt "ramdisk compression"
-               depends TARGET_ROOTFS_INITRAMFS
-               depends !LINUX_2_6_21
-               depends !LINUX_2_6_25
-               default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ar71xx
-               default TARGET_INITRAMFS_COMPRESSION_NONE
-               help
-                 Select ramdisk compression.
+               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_NONE
+                               bool "none"
 
-               config TARGET_INITRAMFS_COMPRESSION_GZIP
-                       bool "GZIP"
+                       config TARGET_INITRAMFS_COMPRESSION_GZIP
+                               bool "gzip"
 
-               config TARGET_INITRAMFS_COMPRESSION_BZIP2
-                       bool "BZIP2"
+                       config TARGET_INITRAMFS_COMPRESSION_BZIP2
+                               bool "bzip2"
 
-               config TARGET_INITRAMFS_COMPRESSION_LZMA
-                       bool "LZMA"
+                       config TARGET_INITRAMFS_COMPRESSION_LZMA
+                               bool "lzma"
 
-               config TARGET_INITRAMFS_COMPRESSION_LZO
-                       bool "LZO"
-       endchoice
+                       config TARGET_INITRAMFS_COMPRESSION_LZO
+                               bool "lzo"
 
-       config TARGET_ROOTFS_JFFS2
-               bool "jffs2"
-               default y if USES_JFFS2
-               depends !TARGET_ROOTFS_INITRAMFS
-               help
-                 Build a jffs2 root filesystem
+                       config TARGET_INITRAMFS_COMPRESSION_LZ4
+                               bool "lz4"
 
-       config TARGET_ROOTFS_SQUASHFS
-               bool "squashfs"
-               default y if USES_SQUASHFS
-               depends !TARGET_ROOTFS_INITRAMFS
-               help
-                 Build a squashfs-lzma root filesystem
+                       config TARGET_INITRAMFS_COMPRESSION_XZ
+                               bool "xz"
+               endchoice
 
-       config TARGET_ROOTFS_TGZ
-               bool "tgz"
-               default y if USES_TGZ
-               depends !TARGET_ROOTFS_INITRAMFS
-               help
-                 Build a compressed tar archive of the the root filesystem
+               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 "cpiogz"
+               bool "cpio.gz"
                default y if USES_CPIOGZ
-               depends !TARGET_ROOTFS_INITRAMFS
                help
                  Build a compressed cpio archive of the the root filesystem
 
-       config TARGET_ROOTFS_EXT2FS
-               bool "ext2"
-               default y if USES_EXT2
-               depends !TARGET_ROOTFS_INITRAMFS
+       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
-                 Ext2 file system with some free space for uml images
+                 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
                help
                  Create some bootable ISO image
 
-       config TARGET_ROOTFS_UBIFS
+       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 !TARGET_ROOTFS_INITRAMFS && USES_UBIFS
+               depends on USES_UBIFS
                help
                  Build a ubifs root filesystem
 
-comment "Image Options"
+               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 "512KiB"
+
+               config TARGET_UBIFS_SQUASH_UIDS
+                       bool "squash uids" if TARGET_ROOTFS_UBIFS
+                       default n
+                       help
+                         Squash owners making all files owned by root
+
+       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
 
-source "target/linux/*/image/Config.in"
+       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_FSPART
-        int "Filesystem part size (in MB)"
-        depends X86_GRUB_IMAGES || TARGET_ROOTFS_EXT2FS || TARGET_rb532 || TARGET_olpc
-        default 48
-        help
-            Allows you to change the filesystem partition size
+       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
 
-    config TARGET_ROOTFS_MAXINODE
-        int "Maximum number of inodes in filesystem"
-        depends TARGET_ROOTFS_EXT2FS
-        default 6000
-        help
-            Allows you to change the maximum number of inodes in the filesystem
+       menuconfig TARGET_ROOTFS_INCLUDE_KERNEL
+               bool "Include kernel in root filesystem"
+               depends on TARGET_ROOTFS_UBIFS || TARGET_ROOTFS_EXT4FS
+               default n if USES_UBIFS
+               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 TARGET_ROOTFS_UBIFS || TARGET_ROOTFS_EXT4FS
+               default n if USES_UBIFS
+               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
+       config ALL
+               bool "Select all packages by default"
+               default n
 
-comment "General build options"
+       comment "General build options"
 
-config CLEAN_IPKG
-       bool
-       prompt "Disable ipkg/opkg installation on the target"
-       default n
-       help
-               This removes all ipkg data from the target directory before building the root fs
+       config DISPLAY_SUPPORT
+               bool "Show packages that require graphics support (local or remote)"
+               default n
 
-config LARGEFILE
-       bool
-       prompt "Enable large file (files > 2 GB) support"
-       default y
-       help
-         Enable large file (files > 2 GB) support.
+       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 SHADOW_PASSWORDS
-       bool
-       prompt "Enable shadow password support"
-       default y
-       help
-         Enable shadow password support.
+       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.
 
-choice
-       prompt "Binary stripping method"
-       default USE_STRIP   if EXTERNAL_TOOLCHAIN
-       default USE_STRIP   if USE_GLIBC || USE_EGLIBC
-       default USE_SSTRIP
-       help
-         Select the binary stripping method you wish to use.
+       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 NO_STRIP
-               bool "none"
+       config CLEAN_IPKG
+               bool
+               prompt "Remove ipkg/opkg status data files in final images"
+               default n
                help
-                 This will install unstripped binaries (useful for native compiling/debugging)
+                 This removes all ipkg/opkg status data files from the target directory before building the root fs
 
-       config USE_STRIP
-               bool "strip"
+       config COLLECT_KERNEL_DEBUG
+               bool
+               prompt "Collect kernel debug information"
+               select KERNEL_DEBUG_INFO
+               default n
                help
-                 This will install binaries stripped using strip from binutils
+                 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 USE_SSTRIP
-               bool "sstrip"
-               depends !DEBUG
-               depends !USE_GLIBC
-               depends !USE_EGLIBC
+       config DEBUG
+               bool
+               prompt "Compile packages with debugging info"
+               default n
                help
-                 This will install binaries stripped using sstrip
+                 Adds -g3 to the CFLAGS
 
-endchoice
+       config IPV6
+               bool
+               prompt "Enable IPv6 support in packages"
+               default y
+               help
+                 Enable IPV6 support in packages (passes --enable-ipv6 to configure scripts).
 
-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
+       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 STRIP_KERNEL_EXPORTS
-       depends LINUX_2_6
-       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 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.
 
-comment "Package build options"
+                 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.
 
-config DEBUG
-       bool
-       prompt "Compile packages with debugging info"
-       default n
-       help
-               Adds -g3 to the CFLAGS
+                 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 DEBUG_DIR
-       bool "Install debugging binaries into a staging directory"
-       default n
-       help
-               This will install all compiled package binaries into build_dir/target-*/debug-*/,
-               useful for cross-debugging via gdb/gdbserver
+       comment "Stripping options"
 
-config IPV6
-        bool
-        prompt "Enable IPv6 support in packages"
-        default n
-        help
-                Enable IPV6 support in packages (passes --enable-ipv6 to configure scripts).
+       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
 
-comment "Kernel build options"
+       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 KERNEL_KALLSYMS
-       bool "Compile the kernel with symbol table information"
-       default n
-       help
-               This will give you more information in stack traces from kernel oopses
+       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 KERNEL_PROFILING
-       bool "Compile the kernel with profiling enabled"
-       default n
-       help
-               Enable the extended profiling support mechanisms used by profilers such
-               as OProfile.
+       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
 
-config KERNEL_DEBUG_FS
-       bool "Compile the kernel with Debug Filesystem enabled"
-       depends LINUX_2_6
-       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.
+       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
 
@@ -242,97 +423,116 @@ menuconfig DEVEL
        bool "Advanced configuration options (for developers)"
        default n
 
-config BROKEN
-       bool
-       prompt "Show broken platforms / packages" if DEVEL
-       default n
+       config BROKEN
+               bool "Show broken platforms / packages" if DEVEL
+               default n
 
-config DOWNLOAD_FOLDER
-       string
-       prompt "Download folder" if DEVEL
-       default ""
+       config DOWNLOAD_FOLDER
+               string "Download folder" if DEVEL
+               default ""
 
-config LOCALMIRROR
-       string
-       prompt "Local mirror for source packages" if DEVEL
+       config LOCALMIRROR
+               string "Local mirror for source packages" if DEVEL
+               default ""
 
-config AUTOREBUILD
-       bool
-       prompt "Automatic rebuild of packages" if DEVEL
-       default y
-       help
-               Automatically rebuild packages when their files change
-
-config BUILD_SUFFIX
-       string
-       prompt "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
-       prompt "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
-       prompt "Use ccache" if DEVEL
-       default n
-       help
-               Compiler cache; see http://ccache.samba.org/
-
-config EXTERNAL_KERNEL_TREE
-       string
-       prompt "Use external kernel tree" if DEVEL
-       default ""
-
-config KERNEL_GIT_CLONE_URI
-       string
-       prompt "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
-       prompt "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 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
-       prompt "Target Optimizations" if TARGET_OPTIONS
-       default DEFAULT_TARGET_OPTIMIZATION
-       help
-         Optimizations to use when building for the target host.
-
-config SOFT_FLOAT
-       bool
-       prompt "Use software floating point by default" if TARGET_OPTIONS
-       default y
-       depends on (arm || armeb || powerpc || mipsel || mips) && !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).
+       config TARGET_OPTIMIZATION
+               string "Target Optimizations" if TARGET_OPTIONS
+               default DEFAULT_TARGET_OPTIMIZATION
+               help
+                 Optimizations to use when building for the target host.
 
-         Most people will answer N.
+       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 "toolchain/Config.in"
 
@@ -341,5 +541,3 @@ source "target/sdk/Config.in"
 source "target/toolchain/Config.in"
 
 source "tmp/.config-package.in"
-
-