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_ISO
bool "iso"
default n
- depends TARGET_ROOTFS_INITRAMFS && TARGET_x86
+ depends on TARGET_x86_generic
+ depends !TARGET_ROOTFS_INITRAMFS
help
Create some bootable ISO image
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
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.
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
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_AIO
bool "Compile the kernel with asynchronous IO support"
default n
- help
- This will give you more information in stack traces from kernel oopses
+
+ config KERNEL_MAGIC_SYSRQ
+ bool "Compile the kernel with SysRq support"
+ default y
+
+ config KERNEL_ELF_CORE
+ bool "Enable process core dump support"
+ 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
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.
- Note that this may overcommit CPU resources depending on the
+ 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.
- 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.
bool
prompt "Parallelize the toolchain build (May break build)"
depends on PKG_BUILD_PARALLEL
+ depends on BROKEN
default n
help
Build the toolchain with parallel make jobs.
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
+
menuconfig TARGET_OPTIONS
bool "Target Options" if DEVEL
projects / openwrt / openwrt.git / blobdiff