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290 lines
8.4 KiB
290 lines
8.4 KiB
# Copyright (C) 2006-2013 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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menu "Global build settings"
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config ALL_KMODS
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bool "Select all kernel module packages by default"
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default ALL
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config ALL
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bool "Select all userspace packages by default"
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default n
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config SIGNED_PACKAGES
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bool "Cryptographically signed package lists"
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default y
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comment "General build options"
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config DISPLAY_SUPPORT
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bool "Show packages that require graphics support (local or remote)"
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default n
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config BUILD_PATENTED
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default y
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bool "Compile with support for patented functionality"
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help
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When this option is disabled, software which provides patented functionality
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will not be built. In case software provides optional support for patented
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functionality, this optional support will get disabled for this package.
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config BUILD_NLS
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default n
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bool "Compile with full language support"
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help
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When this option is enabled, packages are built with the full versions of
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iconv and GNU gettext instead of the default OpenWrt stubs. If uClibc is
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used, it is also built with locale support.
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config SHADOW_PASSWORDS
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bool
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prompt "Enable shadow password support"
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default y
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help
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Enable shadow password support.
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config CLEAN_IPKG
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bool
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prompt "Remove ipkg/opkg status data files in final images"
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default n
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help
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This removes all ipkg/opkg status data files from the target directory
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before building the root filesystem.
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config COLLECT_KERNEL_DEBUG
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bool
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prompt "Collect kernel debug information"
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select KERNEL_DEBUG_INFO
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default n
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help
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This collects debugging symbols from the kernel and all compiled modules.
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Useful for release builds, so that kernel issues can be debugged offline
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later.
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comment "Kernel build options"
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source "config/Config-kernel.in"
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comment "Package build options"
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config DEBUG
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bool
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prompt "Compile packages with debugging info"
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default n
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help
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Adds -g3 to the CFLAGS.
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config IPV6
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bool
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prompt "Enable IPv6 support in packages"
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default y
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help
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Enable IPv6 support in packages (passes --enable-ipv6 to configure scripts).
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config PKG_BUILD_PARALLEL
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bool
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prompt "Compile certain packages parallelized"
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default y
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help
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This adds a -jX option to certain packages that are known to behave well
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for parallel build. By default, the package make processes use the main
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jobserver, in which case this option only takes effect when you add -jX
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to the make command.
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If you are unsure, select N.
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config PKG_BUILD_USE_JOBSERVER
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bool
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prompt "Use top-level make jobserver for packages"
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depends on PKG_BUILD_PARALLEL
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default y
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help
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This passes the main make process jobserver fds to package builds,
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enabling full parallelization across different packages.
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Note that disabling this may overcommit CPU resources depending on the
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-j level of the main make process, the number of package submake jobs
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selected below and the number of actual CPUs present.
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Example: If the main make is passed a -j4 and the submake -j
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is also set to 4, we may end up with 16 parallel make processes
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in the worst case.
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config PKG_BUILD_JOBS
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int
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prompt "Number of package submake jobs (2-512)"
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range 2 512
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default 2
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depends on PKG_BUILD_PARALLEL && !PKG_BUILD_USE_JOBSERVER
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help
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The number of jobs (-jX) to pass to packages submake.
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config PKG_DEFAULT_PARALLEL
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bool
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prompt "Parallelize the default package build rule (May break build)"
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depends on PKG_BUILD_PARALLEL
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depends on BROKEN
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default n
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help
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Always set the default package build rules to parallel build.
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WARNING: This may break build or kill your cat, as it builds packages
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with multiple jobs that are probably not tested in a parallel build
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environment.
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Only say Y if you don't mind fixing broken packages. Before reporting
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build bugs, set this to N and re-run the build.
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comment "Stripping options"
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choice
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prompt "Binary stripping method"
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default USE_STRIP if EXTERNAL_TOOLCHAIN
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default USE_STRIP if USE_GLIBC || USE_MUSL
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default USE_SSTRIP
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help
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Select the binary stripping method you wish to use.
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config NO_STRIP
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bool "none"
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help
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This will install unstripped binaries (useful for native
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compiling/debugging).
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config USE_STRIP
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bool "strip"
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help
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This will install binaries stripped using strip from binutils.
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config USE_SSTRIP
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bool "sstrip"
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depends on !DEBUG
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depends on !USE_GLIBC
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help
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This will install binaries stripped using sstrip.
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endchoice
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config STRIP_ARGS
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string
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prompt "Strip arguments"
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depends on USE_STRIP
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default "--strip-unneeded --remove-section=.comment --remove-section=.note" if DEBUG
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default "--strip-all"
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help
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Specifies arguments passed to the strip command when stripping binaries.
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config STRIP_KERNEL_EXPORTS
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bool "Strip unnecessary exports from the kernel image"
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help
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Reduces kernel size by stripping unused kernel exports from the kernel
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image. Note that this might make the kernel incompatible with any kernel
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modules that were not selected at the time the kernel image was created.
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config USE_MKLIBS
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bool "Strip unnecessary functions from libraries"
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help
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Reduces libraries to only those functions that are necessary for using all
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selected packages (including those selected as <M>). Note that this will
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make the system libraries incompatible with most of the packages that are
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not selected during the build process.
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choice
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prompt "Preferred standard C++ library"
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default USE_LIBSTDCXX if USE_GLIBC
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default USE_UCLIBCXX
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help
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Select the preferred standard C++ library for all packages that support this.
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config USE_UCLIBCXX
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bool "uClibc++"
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config USE_LIBSTDCXX
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bool "libstdc++"
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endchoice
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comment "Hardening build options"
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config PKG_CHECK_FORMAT_SECURITY
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bool
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prompt "Enable gcc format-security"
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default y
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help
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Add -Wformat -Werror=format-security to the CFLAGS. You can disable
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this per package by adding PKG_CHECK_FORMAT_SECURITY:=0 in the package
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Makefile.
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choice
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prompt "User space Stack-Smashing Protection"
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default PKG_CC_STACKPROTECTOR_REGULAR
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help
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Enable GCC Stack Smashing Protection (SSP) for userspace applications
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config PKG_CC_STACKPROTECTOR_NONE
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bool "None"
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config PKG_CC_STACKPROTECTOR_REGULAR
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bool "Regular"
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select SSP_SUPPORT if !USE_MUSL
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depends on KERNEL_CC_STACKPROTECTOR_REGULAR
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config PKG_CC_STACKPROTECTOR_STRONG
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bool "Strong"
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select SSP_SUPPORT if !USE_MUSL
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depends on GCC_VERSION_4_9_LINARO
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depends on KERNEL_CC_STACKPROTECTOR_STRONG
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endchoice
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choice
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prompt "Kernel space Stack-Smashing Protection"
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default KERNEL_CC_STACKPROTECTOR_REGULAR
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help
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Enable GCC Stack-Smashing Protection (SSP) for the kernel
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config KERNEL_CC_STACKPROTECTOR_NONE
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bool "None"
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config KERNEL_CC_STACKPROTECTOR_REGULAR
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bool "Regular"
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config KERNEL_CC_STACKPROTECTOR_STRONG
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depends on GCC_VERSION_4_9_LINARO
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bool "Strong"
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endchoice
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choice
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prompt "Enable buffer-overflows detection (FORTIFY_SOURCE)"
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default PKG_FORTIFY_SOURCE_1
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help
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Enable the _FORTIFY_SOURCE macro which introduces additional
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checks to detect buffer-overflows in the following standard library
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functions: memcpy, mempcpy, memmove, memset, strcpy, stpcpy,
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strncpy, strcat, strncat, sprintf, vsprintf, snprintf, vsnprintf,
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gets. "Conservative" (_FORTIFY_SOURCE set to 1) only introduces
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checks that shouldn't change the behavior of conforming programs,
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while "aggressive" (_FORTIFY_SOURCES set to 2) some more checking is
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added, but some conforming programs might fail.
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config PKG_FORTIFY_SOURCE_NONE
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bool "None"
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config PKG_FORTIFY_SOURCE_1
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bool "Conservative"
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config PKG_FORTIFY_SOURCE_2
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bool "Aggressive"
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endchoice
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choice
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prompt "Enable RELRO protection"
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default PKG_RELRO_FULL
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help
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Enable a link-time protection known as RELRO (Relocation Read Only)
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which helps to protect from certain type of exploitation techniques
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altering the content of some ELF sections. "Partial" RELRO makes the
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.dynamic section not writeable after initialization, introducing
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almost no performance penalty, while "full" RELRO also marks the GOT
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as read-only at the cost of initializing all of it at startup.
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config PKG_RELRO_NONE
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bool "None"
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config PKG_RELRO_PARTIAL
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bool "Partial"
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config PKG_RELRO_FULL
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bool "Full"
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endchoice
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endmenu
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