-# Copyright (C) 2006-2013 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
+# SPDX-License-Identifier: GPL-2.0-only
#
+# Copyright (C) 2006-2013 OpenWrt.org
+# Copyright (C) 2016 LEDE Project
+
+config EXPERIMENTAL
+ bool "Enable experimental features by default"
+ default n
+ help
+ Set this option to build with latest bleeding edge features
+ which may or may not work as expected.
+ If you would like to help the development of OpenWrt, you are
+ encouraged to set this option and provide feedback (both
+ positive and negative). But do so only if you know how to
+ recover your device in case of flashing potentially non-working
+ firmware.
+
+ If you plan to use this build in production, say NO!
menu "Global build settings"
+ config JSON_OVERVIEW_IMAGE_INFO
+ bool "Create JSON info file overview per target"
+ default y
+ help
+ Create a JSON info file called profiles.json in the target
+ directory containing machine readable list of built profiles
+ and resulting images.
+
+ config ALL_NONSHARED
+ bool "Select all target specific packages by default"
+ select ALL_KMODS
+ default BUILDBOT
+
config ALL_KMODS
bool "Select all kernel module packages by default"
- default ALL
config ALL
bool "Select all userspace packages by default"
+ select ALL_KMODS
+ select ALL_NONSHARED
+
+ config BUILDBOT
+ bool "Set build defaults for automatic builds (e.g. via buildbot)"
default n
+ help
+ This option changes several defaults to be more suitable for
+ automatic builds. This includes the following changes:
+ - Deleting build directories after compiling (to save space)
+ - Enabling per-device rootfs support
+ ...
config SIGNED_PACKAGES
bool "Cryptographically signed package lists"
default y
+ config SIGNATURE_CHECK
+ bool "Enable signature checking in opkg"
+ default SIGNED_PACKAGES
+
comment "General build options"
+ config TESTING_KERNEL
+ bool "Use the testing kernel version"
+ depends on HAS_TESTING_KERNEL
+ default EXPERIMENTAL
+ help
+ If the target supports a newer kernel version than the default,
+ you can use this config option to enable it
+
+
config DISPLAY_SUPPORT
bool "Show packages that require graphics support (local or remote)"
default n
config BUILD_PATENTED
- default y
+ default n
bool "Compile with support for patented functionality"
help
When this option is disabled, software which provides patented functionality
config SHADOW_PASSWORDS
bool
- prompt "Enable shadow password support"
default y
- help
- Enable shadow password support.
config CLEAN_IPKG
bool
This removes all ipkg/opkg status data files from the target directory
before building the root filesystem.
+ config IPK_FILES_CHECKSUMS
+ bool
+ prompt "Record files checksums in package metadata"
+ default n
+ help
+ This makes file checksums part of package metadata. It increases size
+ but provides you with pkg_check command to check for flash corruptions.
+
+ config INCLUDE_CONFIG
+ bool "Include build configuration in firmware" if DEVEL
+ default n
+ help
+ If enabled, buildinfo files will be stored in /etc/build.* of firmware.
+
+ config REPRODUCIBLE_DEBUG_INFO
+ bool "Make debug information reproducible"
+ default BUILDBOT
+ help
+ This strips the local build path out of debug information. This has the
+ advantage of making it reproducible, but the disadvantage of making local
+ debugging using ./scripts/remote-gdb harder, since the debug data will
+ no longer point to the full path on the build host.
+
config COLLECT_KERNEL_DEBUG
bool
prompt "Collect kernel debug information"
select KERNEL_DEBUG_INFO
- default n
+ default BUILDBOT
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"
+ menu "Kernel build options"
source "config/Config-kernel.in"
+ endmenu
+
comment "Package build options"
config DEBUG
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_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.
+ Enables IPv6 support in kernel (builtin) and packages.
comment "Stripping options"
choice
prompt "Binary stripping method"
default USE_STRIP if EXTERNAL_TOOLCHAIN
- default USE_STRIP if USE_GLIBC || USE_MUSL
+ default USE_STRIP if USE_GLIBC
default USE_SSTRIP
help
Select the binary stripping method you wish to use.
bool "none"
help
This will install unstripped binaries (useful for native
- compiling/debugging).
+ compiling/debugging).
config USE_STRIP
bool "strip"
config USE_SSTRIP
bool "sstrip"
- depends on !DEBUG
depends on !USE_GLIBC
help
This will install binaries stripped using sstrip.
help
Specifies arguments passed to the strip command when stripping binaries.
+ config SSTRIP_ARGS
+ string
+ prompt "Sstrip arguments"
+ depends on USE_SSTRIP
+ default "-z"
+ help
+ Specifies arguments passed to the sstrip command when stripping binaries.
+
config STRIP_KERNEL_EXPORTS
bool "Strip unnecessary exports from the kernel image"
help
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_GLIBC
- 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
-
comment "Hardening build options"
config PKG_CHECK_FORMAT_SECURITY
bool
prompt "Enable gcc format-security"
- default n
+ default y
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.
+ choice
+ prompt "User space ASLR PIE compilation"
+ default PKG_ASLR_PIE_NONE if ((SMALL_FLASH || LOW_MEMORY_FOOTPRINT) && !SDK)
+ default PKG_ASLR_PIE_REGULAR
+ help
+ Add -fPIC to CFLAGS and -specs=hardened-build-ld to LDFLAGS.
+ This enables package build as Position Independent Executables (PIE)
+ to protect against "return-to-text" attacks. This belongs to the
+ feature of Address Space Layout Randomisation (ASLR), which is
+ implemented by the kernel and the ELF loader by randomising the
+ location of memory allocations. This makes memory addresses harder
+ to predict when an attacker is attempting a memory-corruption exploit.
+ You can disable this per package by adding PKG_ASLR_PIE:=0 in the package
+ Makefile.
+ Be ware that ASLR increases the binary size.
+ config PKG_ASLR_PIE_NONE
+ bool "None"
+ help
+ PIE is deactivated for all applications
+ config PKG_ASLR_PIE_REGULAR
+ bool "Regular"
+ help
+ PIE is activated for some binaries, mostly network exposed applications
+ config PKG_ASLR_PIE_ALL
+ bool "All"
+ select BUSYBOX_DEFAULT_PIE
+ help
+ PIE is activated for all applications
+ endchoice
+
choice
prompt "User space Stack-Smashing Protection"
- default PKG_CC_STACKPROTECTOR_NONE
+ default PKG_CC_STACKPROTECTOR_REGULAR
help
Enable GCC Stack Smashing Protection (SSP) for userspace applications
config PKG_CC_STACKPROTECTOR_NONE
bool "None"
config PKG_CC_STACKPROTECTOR_REGULAR
bool "Regular"
- select SSP_SUPPORT
- depends on KERNEL_CC_STACKPROTECTOR_REGULAR
config PKG_CC_STACKPROTECTOR_STRONG
bool "Strong"
- select SSP_SUPPORT
- depends on GCC_VERSION_4_9_LINARO
- depends on KERNEL_CC_STACKPROTECTOR_STRONG
endchoice
choice
prompt "Kernel space Stack-Smashing Protection"
- default KERNEL_CC_STACKPROTECTOR_NONE
+ default KERNEL_CC_STACKPROTECTOR_REGULAR
help
Enable GCC Stack-Smashing Protection (SSP) for the kernel
config KERNEL_CC_STACKPROTECTOR_NONE
config KERNEL_CC_STACKPROTECTOR_REGULAR
bool "Regular"
config KERNEL_CC_STACKPROTECTOR_STRONG
- depends on GCC_VERSION_4_9_LINARO
bool "Strong"
endchoice
+ config KERNEL_STACKPROTECTOR
+ bool
+ default KERNEL_CC_STACKPROTECTOR_REGULAR || KERNEL_CC_STACKPROTECTOR_STRONG
+
+ config KERNEL_STACKPROTECTOR_STRONG
+ bool
+ default KERNEL_CC_STACKPROTECTOR_STRONG
+
choice
prompt "Enable buffer-overflows detection (FORTIFY_SOURCE)"
+ default PKG_FORTIFY_SOURCE_1
help
Enable the _FORTIFY_SOURCE macro which introduces additional
checks to detect buffer-overflows in the following standard library
choice
prompt "Enable RELRO protection"
+ default PKG_RELRO_FULL
help
Enable a link-time protection known as RELRO (Relocation Read Only)
which helps to protect from certain type of exploitation techniques
bool "Full"
endchoice
+ config TARGET_ROOTFS_SECURITY_LABELS
+ bool
+ select KERNEL_SQUASHFS_XATTR
+ select KERNEL_EXT4_FS_SECURITY
+ select KERNEL_F2FS_FS_SECURITY
+ select KERNEL_UBIFS_FS_SECURITY
+ select KERNEL_JFFS2_FS_SECURITY
+
+ config SELINUX
+ bool "Enable SELinux"
+ select KERNEL_SECURITY_SELINUX
+ select TARGET_ROOTFS_SECURITY_LABELS
+ select PACKAGE_procd-selinux
+ select PACKAGE_busybox-selinux
+ help
+ This option enables SELinux kernel features, applies security labels
+ in squashfs rootfs and selects the selinux-variants of busybox and procd.
+
+ Selecting this option results in about 0.5MiB of additional flash space
+ usage accounting for increased kernel and rootfs size.
+
+ choice
+ prompt "default SELinux type"
+ depends on TARGET_ROOTFS_SECURITY_LABELS
+ default SELINUXTYPE_dssp
+ help
+ Select SELinux policy to be installed and used for applying rootfs labels.
+
+ config SELINUXTYPE_targeted
+ bool "targeted"
+ select PACKAGE_refpolicy
+ help
+ SELinux Reference Policy (refpolicy)
+
+ config SELINUXTYPE_dssp
+ bool "dssp"
+ select PACKAGE_selinux-policy
+ help
+ Defensec SELinux Security Policy -- OpenWrt edition
+
+ endchoice
+
+ config SECCOMP
+ bool "Enable SECCOMP"
+ select KERNEL_SECCOMP
+ select PACKAGE_procd-seccomp
+ depends on (aarch64 || arm || armeb || mips || mipsel || mips64 || mips64el || i386 || powerpc || x86_64)
+ depends on !TARGET_uml
+ default y
+ help
+ This option enables seccomp kernel features to safely
+ execute untrusted bytecode and selects the seccomp-variants
+ of procd
+
endmenu
projects / openwrt / staging / chunkeey.git / blobdiff