base-files: allocate uid/gid starting from 65536
[openwrt/openwrt.git] / config / Config-build.in
index 89cf964a8ee6f692b853ec57b134148adf49ca40..f3f1930bb8e67b85306b6bdcd9e7d630559da09a 100644 (file)
@@ -1,4 +1,5 @@
 # Copyright (C) 2006-2013 OpenWrt.org
+# Copyright (C) 2016 LEDE Project
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -6,10 +7,32 @@
 
 menu "Global build settings"
 
+       config ALL_NONSHARED
+               bool "Select all target specific packages by default"
+               default ALL || BUILDBOT
+
+       config ALL_KMODS
+               bool "Select all kernel module packages by default"
+               default ALL
+
        config ALL
-               bool "Select all packages by default"
+               bool "Select all userspace packages by default"
                default n
 
+       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
+
        comment "General build options"
 
        config DISPLAY_SUPPORT
@@ -32,20 +55,9 @@ menu "Global build settings"
                  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
@@ -55,20 +67,28 @@ menu "Global build settings"
                  This removes all ipkg/opkg status data files from the target directory
                  before building the root filesystem.
 
+       config INCLUDE_CONFIG
+               bool "Include build configuration in firmware" if DEVEL
+               default n
+               help
+                 If enabled, config.seed will be stored in /etc/build.config of firmware.
+
        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
@@ -83,76 +103,14 @@ menu "Global build settings"
                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.
+                 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_EGLIBC || USE_MUSL
+               default USE_STRIP   if USE_GLIBC
                default USE_SSTRIP
                help
                  Select the binary stripping method you wish to use.
@@ -161,7 +119,7 @@ menu "Global build settings"
                        bool "none"
                        help
                          This will install unstripped binaries (useful for native
-                         compiling/debugging).
+                         compiling/debugging).
 
                config USE_STRIP
                        bool "strip"
@@ -171,9 +129,7 @@ menu "Global build settings"
 
                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
@@ -204,7 +160,7 @@ menu "Global build settings"
 
        choice
                prompt "Preferred standard C++ library"
-               default USE_LIBSTDCXX if USE_EGLIBC
+               default USE_LIBSTDCXX if USE_GLIBC
                default USE_UCLIBCXX
                help
                  Select the preferred standard C++ library for all packages that support this.
@@ -216,4 +172,87 @@ menu "Global build settings"
                        bool "libstdc++"
        endchoice
 
+       comment "Hardening build options"
+
+       config PKG_CHECK_FORMAT_SECURITY
+               bool
+               prompt "Enable gcc format-security"
+               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 Stack-Smashing Protection"
+               depends on USE_MUSL
+               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 if !USE_MUSL
+                       depends on KERNEL_CC_STACKPROTECTOR_REGULAR
+               config PKG_CC_STACKPROTECTOR_STRONG
+                       bool "Strong"
+                       select SSP_SUPPORT if !USE_MUSL
+                       depends on !GCC_VERSION_4_8
+                       depends on KERNEL_CC_STACKPROTECTOR_STRONG
+       endchoice
+
+       choice
+               prompt "Kernel space Stack-Smashing Protection"
+               default KERNEL_CC_STACKPROTECTOR_REGULAR
+               depends on USE_MUSL || !(x86_64 || i386)
+               help
+                 Enable GCC Stack-Smashing Protection (SSP) for the kernel
+               config KERNEL_CC_STACKPROTECTOR_NONE
+                       bool "None"
+               config KERNEL_CC_STACKPROTECTOR_REGULAR
+                       bool "Regular"
+               config KERNEL_CC_STACKPROTECTOR_STRONG
+                       depends on !GCC_VERSION_4_8
+                       bool "Strong"
+       endchoice
+
+       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
+                 functions: memcpy, mempcpy, memmove, memset, strcpy, stpcpy,
+                 strncpy, strcat, strncat, sprintf, vsprintf, snprintf, vsnprintf,
+                 gets.  "Conservative" (_FORTIFY_SOURCE set to 1) only introduces
+                 checks that shouldn't change the behavior of conforming programs,
+                 while "aggressive" (_FORTIFY_SOURCES set to 2) some more checking is
+                 added, but some conforming programs might fail.
+               config PKG_FORTIFY_SOURCE_NONE
+                       bool "None"
+               config PKG_FORTIFY_SOURCE_1
+                       bool "Conservative"
+               config PKG_FORTIFY_SOURCE_2
+                       bool "Aggressive"
+       endchoice
+
+       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
+                 altering the content of some ELF sections. "Partial" RELRO makes the
+                 .dynamic section not writeable after initialization, introducing
+                 almost no performance penalty, while "full" RELRO also marks the GOT
+                 as read-only at the cost of initializing all of it at startup.
+               config PKG_RELRO_NONE
+                       bool "None"
+               config PKG_RELRO_PARTIAL
+                       bool "Partial"
+               config PKG_RELRO_FULL
+                       bool "Full"
+       endchoice
+
 endmenu