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 INCLUDE_CONFIG
  71                 bool "Include build configuration in firmware" if DEVEL
  72                 default n
  73                 help
  74                   If enabled, config.seed will be stored in /etc/build.config of firmware.
  75
  76         config COLLECT_KERNEL_DEBUG
  77                 bool
  78                 prompt "Collect kernel debug information"
  79                 select KERNEL_DEBUG_INFO
  80                 default BUILDBOT
  81                 help
  82                   This collects debugging symbols from the kernel and all compiled modules.
  83                   Useful for release builds, so that kernel issues can be debugged offline
  84                   later.
  85
  86         menu "Kernel build options"
  87
  88         source "config/Config-kernel.in"
  89
  90         endmenu
  91
  92         comment "Package build options"
  93
  94         config DEBUG
  95                 bool
  96                 prompt "Compile packages with debugging info"
  97                 default n
  98                 help
  99                   Adds -g3 to the CFLAGS.
 100
 101         config IPV6
 102                 bool
 103                 prompt "Enable IPv6 support in packages"
 104                 default y
 105                 help
 106                   Enables IPv6 support in kernel (builtin) and packages.
 107
 108         comment "Stripping options"
 109
 110         choice
 111                 prompt "Binary stripping method"
 112                 default USE_STRIP   if EXTERNAL_TOOLCHAIN
 113                 default USE_STRIP   if USE_GLIBC
 114                 default USE_SSTRIP
 115                 help
 116                   Select the binary stripping method you wish to use.
 117
 118                 config NO_STRIP
 119                         bool "none"
 120                         help
 121                           This will install unstripped binaries (useful for native
 122                           compiling/debugging).
 123
 124                 config USE_STRIP
 125                         bool "strip"
 126                         help
 127                           This will install binaries stripped using strip from binutils.
 128
 129
 130                 config USE_SSTRIP
 131                         bool "sstrip"
 132                         depends on !USE_GLIBC
 133                         help
 134                           This will install binaries stripped using sstrip.
 135         endchoice
 136
 137         config STRIP_ARGS
 138                 string
 139                 prompt "Strip arguments"
 140                 depends on USE_STRIP
 141                 default "--strip-unneeded --remove-section=.comment --remove-section=.note" if DEBUG
 142                 default "--strip-all"
 143                 help
 144                   Specifies arguments passed to the strip command when stripping binaries.
 145
 146         config STRIP_KERNEL_EXPORTS
 147                 bool "Strip unnecessary exports from the kernel image"
 148                 help
 149                   Reduces kernel size by stripping unused kernel exports from the kernel
 150                   image.  Note that this might make the kernel incompatible with any kernel
 151                   modules that were not selected at the time the kernel image was created.
 152
 153         config USE_MKLIBS
 154                 bool "Strip unnecessary functions from libraries"
 155                 help
 156                   Reduces libraries to only those functions that are necessary for using all
 157                   selected packages (including those selected as <M>).  Note that this will
 158                   make the system libraries incompatible with most of the packages that are
 159                   not selected during the build process.
 160
 161         choice
 162                 prompt "Preferred standard C++ library"
 163                 default USE_LIBSTDCXX if USE_GLIBC
 164                 default USE_UCLIBCXX
 165                 help
 166                   Select the preferred standard C++ library for all packages that support this.
 167
 168                 config USE_UCLIBCXX
 169                         bool "uClibc++"
 170
 171                 config USE_LIBSTDCXX
 172                         bool "libstdc++"
 173         endchoice
 174
 175         comment "Hardening build options"
 176
 177         config PKG_CHECK_FORMAT_SECURITY
 178                 bool
 179                 prompt "Enable gcc format-security"
 180                 default y
 181                 help
 182                   Add -Wformat -Werror=format-security to the CFLAGS.  You can disable
 183                   this per package by adding PKG_CHECK_FORMAT_SECURITY:=0 in the package
 184                   Makefile.
 185
 186         choice
 187                 prompt "User space Stack-Smashing Protection"
 188                 depends on USE_MUSL
 189                 default PKG_CC_STACKPROTECTOR_REGULAR
 190                 help
 191                   Enable GCC Stack Smashing Protection (SSP) for userspace applications
 192                 config PKG_CC_STACKPROTECTOR_NONE
 193                         bool "None"
 194                 config PKG_CC_STACKPROTECTOR_REGULAR
 195                         bool "Regular"
 196                         select SSP_SUPPORT if !USE_MUSL
 197                         depends on KERNEL_CC_STACKPROTECTOR_REGULAR
 198                 config PKG_CC_STACKPROTECTOR_STRONG
 199                         bool "Strong"
 200                         select SSP_SUPPORT if !USE_MUSL
 201                         depends on !GCC_VERSION_4_8
 202                         depends on KERNEL_CC_STACKPROTECTOR_STRONG
 203         endchoice
 204
 205         choice
 206                 prompt "Kernel space Stack-Smashing Protection"
 207                 default KERNEL_CC_STACKPROTECTOR_REGULAR
 208                 depends on USE_MUSL || !(x86_64 || i386)
 209                 help
 210                   Enable GCC Stack-Smashing Protection (SSP) for the kernel
 211                 config KERNEL_CC_STACKPROTECTOR_NONE
 212                         bool "None"
 213                 config KERNEL_CC_STACKPROTECTOR_REGULAR
 214                         bool "Regular"
 215                 config KERNEL_CC_STACKPROTECTOR_STRONG
 216                         depends on !GCC_VERSION_4_8
 217                         bool "Strong"
 218         endchoice
 219
 220         choice
 221                 prompt "Enable buffer-overflows detection (FORTIFY_SOURCE)"
 222                 default PKG_FORTIFY_SOURCE_1
 223                 help
 224                   Enable the _FORTIFY_SOURCE macro which introduces additional
 225                   checks to detect buffer-overflows in the following standard library
 226                   functions: memcpy, mempcpy, memmove, memset, strcpy, stpcpy,
 227                   strncpy, strcat, strncat, sprintf, vsprintf, snprintf, vsnprintf,
 228                   gets.  "Conservative" (_FORTIFY_SOURCE set to 1) only introduces
 229                   checks that shouldn't change the behavior of conforming programs,
 230                   while "aggressive" (_FORTIFY_SOURCES set to 2) some more checking is
 231                   added, but some conforming programs might fail.
 232                 config PKG_FORTIFY_SOURCE_NONE
 233                         bool "None"
 234                 config PKG_FORTIFY_SOURCE_1
 235                         bool "Conservative"
 236                 config PKG_FORTIFY_SOURCE_2
 237                         bool "Aggressive"
 238         endchoice
 239
 240         choice
 241                 prompt "Enable RELRO protection"
 242                 default PKG_RELRO_FULL
 243                 help
 244                   Enable a link-time protection known as RELRO (Relocation Read Only)
 245                   which helps to protect from certain type of exploitation techniques
 246                   altering the content of some ELF sections. "Partial" RELRO makes the
 247                   .dynamic section not writeable after initialization, introducing
 248                   almost no performance penalty, while "full" RELRO also marks the GOT
 249                   as read-only at the cost of initializing all of it at startup.
 250                 config PKG_RELRO_NONE
 251                         bool "None"
 252                 config PKG_RELRO_PARTIAL
 253                         bool "Partial"
 254                 config PKG_RELRO_FULL
 255                         bool "Full"
 256         endchoice
 257
 258 endmenu