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3572711e3c
JSON info files contain machine readable information of built profiles and resulting images. These files were added in commit881ed09ee6("build: create JSON files containing image info"). They are useful for firmware wizards and script checking for reproducibility. Currently all JSON files are stored next to the built images, resulting in up to 168 individual files for the ath79/generic target. This patch refactors the JSON creation to store individual per image (not per profile) files in $(BUILD_DIR)/json_info_files and create an single overview file called `profiles.json` in the target directory. Storing per image files and not per profile solves the problem of parallel file writes. If a profiles sysupgrade and factory image are finished at the same time both processes would write to the same JSON file, resulting in randomly broken outputs. Some target like x86/64 do not use the image code yet, resulting in missing JSON files. If no JSON info files were created, no `profiles.json` files is created as it would be empty anyway. As before, this creation is enabled by default only if `BUILDBOT` is set. Tested via buildroot & ImageBuilder on ath79/generic, imx6 and x86/64. Signed-off-by: Paul Spooren <mail@aparcar.org> [json_info_files dir handling in Make, if case refactoring] Signed-off-by: Petr Štetiar <ynezz@true.cz> (backported from commit07449f692c) Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
313 lines
9.0 KiB
Plaintext
313 lines
9.0 KiB
Plaintext
# Copyright (C) 2006-2013 OpenWrt.org
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# Copyright (C) 2016 LEDE Project
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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 JSON_OVERVIEW_IMAGE_INFO
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bool "Create JSON info file overview per target"
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default BUILDBOT
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help
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Create a JSON info file called profiles.json in the target
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directory containing machine readable list of built profiles
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and resulting images.
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config ALL_NONSHARED
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bool "Select all target specific packages by default"
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select ALL_KMODS
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default BUILDBOT
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config ALL_KMODS
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bool "Select all kernel module packages by default"
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config ALL
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bool "Select all userspace packages by default"
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select ALL_KMODS
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select ALL_NONSHARED
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config BUILDBOT
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bool "Set build defaults for automatic builds (e.g. via buildbot)"
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default n
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help
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This option changes several defaults to be more suitable for
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automatic builds. This includes the following changes:
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- Deleting build directories after compiling (to save space)
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- Enabling per-device rootfs support
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...
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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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config SIGNATURE_CHECK
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bool "Enable signature checking in opkg"
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default SIGNED_PACKAGES
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comment "General build options"
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config TESTING_KERNEL
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bool "Use the testing kernel version"
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depends on HAS_TESTING_KERNEL
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default n
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help
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If the target supports a newer kernel version than the default,
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you can use this config option to enable it
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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 n
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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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default y
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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 IPK_FILES_CHECKSUMS
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bool
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prompt "Record files checksums in package metadata"
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default n
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help
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This makes file checksums part of package metadata. It increases size
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but provides you with pkg_check command to check for flash coruptions.
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config INCLUDE_CONFIG
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bool "Include build configuration in firmware" if DEVEL
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default n
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help
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If enabled, config.buildinfo will be stored in /etc/build.config of firmware.
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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 BUILDBOT
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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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menu "Kernel build options"
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source "config/Config-kernel.in"
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endmenu
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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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Enables IPv6 support in kernel (builtin) and packages.
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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
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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 !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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config PKG_ASLR_PIE
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bool
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prompt "User space ASLR PIE compilation"
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select BUSYBOX_DEFAULT_PIE
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default n
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help
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Add -fPIC to CFLAGS and -specs=hardened-build-ld to LDFLAGS.
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This enables package build as Position Independent Executables (PIE)
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to protect against "return-to-text" attacks. This belongs to the
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feature of Address Space Layout Randomisation (ASLR), which is
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implemented by the kernel and the ELF loader by randomising the
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location of memory allocations. This makes memory addresses harder
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to predict when an attacker is attempting a memory-corruption exploit.
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You can disable this per package by adding PKG_ASLR_PIE:=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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depends on USE_MUSL
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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 GCC_LIBSSP 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 GCC_LIBSSP if !USE_MUSL
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depends on !GCC_VERSION_4_8
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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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depends on USE_MUSL || !(x86_64 || i386)
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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_8
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bool "Strong"
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endchoice
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config KERNEL_STACKPROTECTOR
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bool
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default KERNEL_CC_STACKPROTECTOR_REGULAR || KERNEL_CC_STACKPROTECTOR_STRONG
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config KERNEL_STACKPROTECTOR_STRONG
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bool
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default KERNEL_CC_STACKPROTECTOR_STRONG
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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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