-# 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.
mainmenu "OpenWrt Configuration"
+config MODULES
+ bool
+ default y
+
config HAVE_DOT_CONFIG
bool
default y
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.
config TARGET_INITRAMFS_COMPRESSION_LZO
bool "lzo"
+ config TARGET_INITRAMFS_COMPRESSION_LZ4
+ bool "lz4"
+
config TARGET_INITRAMFS_COMPRESSION_XZ
bool "xz"
- depends LINUX_2_6_38
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
config TARGET_ROOTFS_EXT4FS
bool "ext4"
default y if USES_EXT4
- depends !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
help
Create some bootable ISO image
config TARGET_ROOTFS_JFFS2
bool "jffs2"
default y if USES_JFFS2
- depends !TARGET_ROOTFS_INITRAMFS
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
- depends !TARGET_ROOTFS_INITRAMFS
help
Build a squashfs-lzma root filesystem
- config TARGET_ROOTFS_UBIFS
+ 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
+ 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 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
+ 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
+ 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 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
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.
+ 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 "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
+ This removes all ipkg/opkg status data files from the target directory before building the root fs
config COLLECT_KERNEL_DEBUG
bool
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.
+ 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"
- 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_PROFILING
- bool "Compile the kernel with profiling enabled"
- default n
- 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
- help
- This will give you more information in stack traces from kernel oopses
-
- config KERNEL_DEBUG_KERNEL
- bool
- default n
-
- config KERNEL_DEBUG_INFO
- bool "Compile the kernel with debug information"
- default n
- select KERNEL_DEBUG_KERNEL
- help
- This will compile your kernel and modules with debug information.
-
- config KERNEL_DEBUG_LL
- bool
- default n
- depends on arm
- 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
- help
- This will give you more information in stack traces from kernel oopses
+ source "Config-kernel.in"
comment "Package build options"
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.
+
+ 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 this may overcommit CPU resources depending on the
+ 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.
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.
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.
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
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
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
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 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
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"
source "target/imagebuilder/Config.in"