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# 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 filesystem.
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_CHECK_FORMAT_SECURITY
bool
prompt "Enable gcc format-security"
default n
help
Add -Wformat -Werror=format-security to the CFLAGS. You can disable
this per package by adding PKG_CHECK_FORMAT_SECURITY:=0 in the package
Makefile.
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
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