config/Config-build.in

   1 # Copyright (C) 2006-2013 OpenWrt.org
   2 # Copyright (C) 2016 LEDE Project
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8 menu "Global build settings"
   9
  10         config ALL_NONSHARED
  11                 bool "Select all target specific packages by default"
  12                 default ALL || BUILDBOT
  13
  14         config ALL_KMODS
  15                 bool "Select all kernel module packages by default"
  16                 default ALL
  17
  18         config ALL
  19                 bool "Select all userspace packages by default"
  20                 default n
  21
  22         config BUILDBOT
  23                 bool "Set build defaults for automatic builds (e.g. via buildbot)"
  24                 default n
  25                 help
  26                   This option changes several defaults to be more suitable for
  27                   automatic builds. This includes the following changes:
  28                   - Deleting build directories after compiling (to save space)
  29                   - Enabling per-device rootfs support
  30                   ...
  31
  32         config SIGNED_PACKAGES
  33                 bool "Cryptographically signed package lists"
  34                 default y
  35
  36         comment "General build options"
  37
  38         config DISPLAY_SUPPORT
  39                 bool "Show packages that require graphics support (local or remote)"
  40                 default n
  41
  42         config BUILD_PATENTED
  43                 default y
  44                 bool "Compile with support for patented functionality"
  45                 help
  46                   When this option is disabled, software which provides patented functionality
  47                   will not be built.  In case software provides optional support for patented
  48                   functionality, this optional support will get disabled for this package.
  49
  50         config BUILD_NLS
  51                 default n
  52                 bool "Compile with full language support"
  53                 help
  54                   When this option is enabled, packages are built with the full versions of
  55                   iconv and GNU gettext instead of the default OpenWrt stubs. If uClibc is
  56                   used, it is also built with locale support.
  57
  58         config SHADOW_PASSWORDS
  59                 bool
  60                 default y
  61
  62         config CLEAN_IPKG
  63                 bool
  64                 prompt "Remove ipkg/opkg status data files in final images"
  65                 default n
  66                 help
  67                   This removes all ipkg/opkg status data files from the target directory
  68                   before building the root filesystem.
  69
  70         config COLLECT_KERNEL_DEBUG
  71                 bool
  72                 prompt "Collect kernel debug information"
  73                 select KERNEL_DEBUG_INFO
  74                 default BUILDBOT
  75                 help
  76                   This collects debugging symbols from the kernel and all compiled modules.
  77                   Useful for release builds, so that kernel issues can be debugged offline
  78                   later.
  79
  80         comment "Kernel build options"
  81
  82         source "config/Config-kernel.in"
  83
  84         comment "Package build options"
  85
  86         config DEBUG
  87                 bool
  88                 prompt "Compile packages with debugging info"
  89                 default n
  90                 help
  91                   Adds -g3 to the CFLAGS.
  92
  93         config IPV6
  94                 bool
  95                 prompt "Enable IPv6 support in packages"
  96                 default y
  97                 help
  98                   Enables IPv6 support in kernel (builtin) and packages.
  99
 100         comment "Stripping options"
 101
 102         choice
 103                 prompt "Binary stripping method"
 104                 default USE_STRIP   if EXTERNAL_TOOLCHAIN
 105                 default USE_STRIP   if USE_GLIBC
 106                 default USE_SSTRIP
 107                 help
 108                   Select the binary stripping method you wish to use.
 109
 110                 config NO_STRIP
 111                         bool "none"
 112                         help
 113                           This will install unstripped binaries (useful for native
 114                           compiling/debugging).
 115
 116                 config USE_STRIP
 117                         bool "strip"
 118                         help
 119                           This will install binaries stripped using strip from binutils.
 120
 121
 122                 config USE_SSTRIP
 123                         bool "sstrip"
 124                         depends on !USE_GLIBC
 125                         help
 126                           This will install binaries stripped using sstrip.
 127         endchoice
 128
 129         config STRIP_ARGS
 130                 string
 131                 prompt "Strip arguments"
 132                 depends on USE_STRIP
 133                 default "--strip-unneeded --remove-section=.comment --remove-section=.note" if DEBUG
 134                 default "--strip-all"
 135                 help
 136                   Specifies arguments passed to the strip command when stripping binaries.
 137
 138         config STRIP_KERNEL_EXPORTS
 139                 bool "Strip unnecessary exports from the kernel image"
 140                 help
 141                   Reduces kernel size by stripping unused kernel exports from the kernel
 142                   image.  Note that this might make the kernel incompatible with any kernel
 143                   modules that were not selected at the time the kernel image was created.
 144
 145         config USE_MKLIBS
 146                 bool "Strip unnecessary functions from libraries"
 147                 help
 148                   Reduces libraries to only those functions that are necessary for using all
 149                   selected packages (including those selected as <M>).  Note that this will
 150                   make the system libraries incompatible with most of the packages that are
 151                   not selected during the build process.
 152
 153         choice
 154                 prompt "Preferred standard C++ library"
 155                 default USE_LIBSTDCXX if USE_GLIBC
 156                 default USE_UCLIBCXX
 157                 help
 158                   Select the preferred standard C++ library for all packages that support this.
 159
 160                 config USE_UCLIBCXX
 161                         bool "uClibc++"
 162
 163                 config USE_LIBSTDCXX
 164                         bool "libstdc++"
 165         endchoice
 166
 167         comment "Hardening build options"
 168
 169         config PKG_CHECK_FORMAT_SECURITY
 170                 bool
 171                 prompt "Enable gcc format-security"
 172                 default y
 173                 help
 174                   Add -Wformat -Werror=format-security to the CFLAGS.  You can disable
 175                   this per package by adding PKG_CHECK_FORMAT_SECURITY:=0 in the package
 176                   Makefile.
 177
 178         choice
 179                 prompt "User space Stack-Smashing Protection"
 180                 depends on USE_MUSL
 181                 default PKG_CC_STACKPROTECTOR_REGULAR
 182                 help
 183                   Enable GCC Stack Smashing Protection (SSP) for userspace applications
 184                 config PKG_CC_STACKPROTECTOR_NONE
 185                         bool "None"
 186                 config PKG_CC_STACKPROTECTOR_REGULAR
 187                         bool "Regular"
 188                         select SSP_SUPPORT if !USE_MUSL
 189                         depends on KERNEL_CC_STACKPROTECTOR_REGULAR
 190                 config PKG_CC_STACKPROTECTOR_STRONG
 191                         bool "Strong"
 192                         select SSP_SUPPORT if !USE_MUSL
 193                         depends on !GCC_VERSION_4_8
 194                         depends on KERNEL_CC_STACKPROTECTOR_STRONG
 195         endchoice
 196
 197         choice
 198                 prompt "Kernel space Stack-Smashing Protection"
 199                 default KERNEL_CC_STACKPROTECTOR_REGULAR
 200                 depends on USE_MUSL || !(x86_64 || i386)
 201                 help
 202                   Enable GCC Stack-Smashing Protection (SSP) for the kernel
 203                 config KERNEL_CC_STACKPROTECTOR_NONE
 204                         bool "None"
 205                 config KERNEL_CC_STACKPROTECTOR_REGULAR
 206                         bool "Regular"
 207                 config KERNEL_CC_STACKPROTECTOR_STRONG
 208                         depends on !GCC_VERSION_4_8
 209                         bool "Strong"
 210         endchoice
 211
 212         choice
 213                 prompt "Enable buffer-overflows detection (FORTIFY_SOURCE)"
 214                 default PKG_FORTIFY_SOURCE_1
 215                 help
 216                   Enable the _FORTIFY_SOURCE macro which introduces additional
 217                   checks to detect buffer-overflows in the following standard library
 218                   functions: memcpy, mempcpy, memmove, memset, strcpy, stpcpy,
 219                   strncpy, strcat, strncat, sprintf, vsprintf, snprintf, vsnprintf,
 220                   gets.  "Conservative" (_FORTIFY_SOURCE set to 1) only introduces
 221                   checks that shouldn't change the behavior of conforming programs,
 222                   while "aggressive" (_FORTIFY_SOURCES set to 2) some more checking is
 223                   added, but some conforming programs might fail.
 224                 config PKG_FORTIFY_SOURCE_NONE
 225                         bool "None"
 226                 config PKG_FORTIFY_SOURCE_1
 227                         bool "Conservative"
 228                 config PKG_FORTIFY_SOURCE_2
 229                         bool "Aggressive"
 230         endchoice
 231
 232         choice
 233                 prompt "Enable RELRO protection"
 234                 default PKG_RELRO_FULL
 235                 help
 236                   Enable a link-time protection known as RELRO (Relocation Read Only)
 237                   which helps to protect from certain type of exploitation techniques
 238                   altering the content of some ELF sections. "Partial" RELRO makes the
 239                   .dynamic section not writeable after initialization, introducing
 240                   almost no performance penalty, while "full" RELRO also marks the GOT
 241                   as read-only at the cost of initializing all of it at startup.
 242                 config PKG_RELRO_NONE
 243                         bool "None"
 244                 config PKG_RELRO_PARTIAL
 245                         bool "Partial"
 246                 config PKG_RELRO_FULL
 247                         bool "Full"
 248         endchoice
 249
 250 endmenu