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