toolchain/Config.in

   1 # Copyright (C) 2006-2013 OpenWrt.org
   2 #
   3 # This is free software, licensed under the GNU General Public License v2.
   4 # See /LICENSE for more information.
   5 #
   6
   7 menuconfig TARGET_OPTIONS
   8         bool "Target Options"  if DEVEL
   9
  10         config TARGET_OPTIMIZATION
  11                 string "Target Optimizations" if TARGET_OPTIONS
  12                 default DEFAULT_TARGET_OPTIMIZATION
  13                 help
  14                   Optimizations to use when building for the target host.
  15
  16         config SOFT_FLOAT
  17                 bool "Use software floating point by default" if TARGET_OPTIONS
  18                 default y if !HAS_FPU
  19                 depends on arm || armeb || powerpc || mipsel || mips || mips64el || mips64
  20                 help
  21                   If your target CPU does not have a Floating Point Unit (FPU) or a
  22                   kernel FPU emulator, but you still wish to support floating point
  23                   functions, then everything will need to be compiled with soft floating
  24                   point support (-msoft-float).
  25
  26                   Most people will answer N.
  27
  28         config USE_MIPS16
  29                 bool "Build packages with MIPS16 instructions" if TARGET_OPTIONS
  30                 depends on HAS_MIPS16
  31                 default y
  32                 help
  33                   If your target CPU does support the MIPS16 instruction set
  34                   and you want to use it for packages, enable this option.
  35                   MIPS16 produces smaller binaries thus reducing pressure on
  36                   caches and TLB.
  37
  38                   Most people will answer N.
  39
  40
  41 menuconfig EXTERNAL_TOOLCHAIN
  42         bool
  43         prompt "Use external toolchain"  if DEVEL
  44         help
  45           If enabled, OpenWrt will compile using an existing toolchain instead of
  46           compiling one.
  47
  48         config NATIVE_TOOLCHAIN
  49                 bool
  50                 prompt "Use host's toolchain"  if DEVEL
  51                 depends on EXTERNAL_TOOLCHAIN
  52                 select NO_STRIP
  53                 help
  54                   If enabled, OpenWrt will compile using the native toolchain for your
  55                   host instead of compiling one.
  56
  57         config TARGET_NAME
  58                 string
  59                 prompt "Target name"  if DEVEL
  60                 depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
  61                 default "aarch64-unknown-linux-gnu"  if aarch64
  62                 default "aarch64_be-unknown-linux-gnu"  if aarch64_be
  63                 default "arm-unknown-linux-gnu"      if arm
  64                 default "armeb-unknown-linux-gnu"    if armeb
  65                 default "i486-unknown-linux-gnu"     if i386
  66                 default "mips-unknown-linux-gnu"     if mips
  67                 default "mipsel-unknown-linux-gnu"   if mipsel
  68                 default "powerpc-unknown-linux-gnu"  if powerpc
  69                 default "x86_64-unknown-linux-gnu"   if x86_64
  70
  71         config TOOLCHAIN_PREFIX
  72                 string
  73                 prompt "Toolchain prefix"  if DEVEL
  74                 depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
  75                 default "aarch64-unknown-linux-gnu"  if aarch64
  76                 default "aarch64_be-unknown-linux-gnu"  if aarch64_be
  77                 default "arm-unknown-linux-gnu-"      if arm
  78                 default "armeb-unknown-linux-gnu-"    if armeb
  79                 default "i486-unknown-linux-gnu-"     if i386
  80                 default "mips-unknown-linux-gnu-"     if mips
  81                 default "mipsel-unknown-linux-gnu-"   if mipsel
  82                 default "powerpc-unknown-linux-gnu-"  if powerpc
  83                 default "x86_64-unknown-linux-gnu-"   if x86_64
  84
  85         config TOOLCHAIN_ROOT
  86                 string
  87                 prompt "Toolchain root"  if DEVEL
  88                 depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
  89                 default "/opt/cross/aarch64-unknown-linux-gnu"  if aarch64
  90                 default "/opt/cross/aarch64_be-unknown-linux-gnu"  if aarch64_be
  91                 default "/opt/cross/arm-unknown-linux-gnu"      if arm
  92                 default "/opt/cross/armeb-unknown-linux-gnu"    if armeb
  93                 default "/opt/cross/i486-unknown-linux-gnu"     if i386
  94                 default "/opt/cross/mips-unknown-linux-gnu"     if mips
  95                 default "/opt/cross/mipsel-unknown-linux-gnu"   if mipsel
  96                 default "/opt/cross/powerpc-unknown-linux-gnu"  if powerpc
  97                 default "/opt/cross/x86_64-unknown-linux-gnu"   if x86_64
  98
  99         config TOOLCHAIN_LIBC
 100                 string
 101                 prompt "Toolchain libc"  if DEVEL
 102                 depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
 103                 default "uclibc"
 104                 help
 105                   Specify the libc type used by the external toolchain. The given value
 106                   is passed as -m flag to all gcc and g++ invocations. This is mainly
 107                   intended for multilib toolchains which support glibc and uclibc at
 108                   the same time. If no value is specified, no -m flag is passed.
 109
 110         config TOOLCHAIN_BIN_PATH
 111                 string
 112                 prompt "Toolchain program path"  if DEVEL
 113                 depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
 114                 default "./usr/bin ./bin"
 115                 help
 116                   Specify additional directories searched for toolchain binaries
 117                   (override PATH). Use ./DIR for directories relative to the root above.
 118
 119         config TOOLCHAIN_INC_PATH
 120                 string
 121                 prompt "Toolchain include path"  if DEVEL
 122                 depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
 123                 default "./usr/include ./include"
 124                 help
 125                   Specify additional directories searched for header files (override
 126                   CPPFLAGS). Use ./DIR for directories relative to the root above.
 127
 128         config TOOLCHAIN_LIB_PATH
 129                 string
 130                 prompt "Toolchain library path"  if DEVEL
 131                 depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
 132                 default "./usr/lib ./lib"
 133                 help
 134                   Specify additional directories searched for libraries (override LDFLAGS).
 135                   Use ./DIR for directories relative to the root above.
 136
 137 config NEED_TOOLCHAIN
 138         bool
 139         depends on DEVEL
 140         default y if !EXTERNAL_TOOLCHAIN
 141
 142 menuconfig TOOLCHAINOPTS
 143         bool "Toolchain Options"  if DEVEL
 144         depends on NEED_TOOLCHAIN
 145
 146 menuconfig EXTRA_TARGET_ARCH
 147         bool
 148         prompt "Enable an extra toolchain target architecture" if TOOLCHAINOPTS
 149         depends on !sparc
 150         default y       if powerpc64
 151         default n
 152         help
 153           Some builds may require a 'biarch' toolchain. This option
 154           allows you to specify an additional target arch.
 155
 156           Most people will answer N here.
 157
 158         config EXTRA_TARGET_ARCH_NAME
 159                 string
 160                 default "powerpc64"     if powerpc64
 161                 prompt "Extra architecture name" if EXTRA_TARGET_ARCH
 162                 help
 163                   Specify the cpu name (eg powerpc64 or x86_64) of the
 164                   additional target architecture.
 165
 166         config EXTRA_TARGET_ARCH_OPTS
 167                 string
 168                 default "-m64"          if powerpc64
 169                 prompt "Extra architecture compiler options" if EXTRA_TARGET_ARCH
 170                 help
 171                   If you're specifying an addition target architecture,
 172                   you'll probably need to also provide options to make
 173                   the compiler use this alternate arch.
 174
 175                   For example, if you're building a compiler that can build
 176                   both powerpc and powerpc64 binaries, you'll need to
 177                   specify -m64 here.
 178
 179
 180         choice
 181                 prompt "MIPS64 user-land ABI" if TOOLCHAINOPTS && (mips64 || mips64el)
 182                 default MIPS64_ABI_N64
 183                 help
 184                    MIPS64 supports 3 different user-land ABIs: o32 (legacy),
 185                    n32 and n64.
 186
 187                 config MIPS64_ABI_N64
 188                         bool "n64"
 189
 190                 config MIPS64_ABI_N32
 191                         depends on !LIBC_USE_MUSL
 192                         bool "n32"
 193
 194                 config MIPS64_ABI_O32
 195                         bool "o32"
 196
 197         endchoice
 198
 199 comment "Binary tools"
 200         depends on TOOLCHAINOPTS
 201
 202 source "toolchain/binutils/Config.in"
 203
 204 comment "Compiler"
 205         depends on TOOLCHAINOPTS
 206
 207 source "toolchain/gcc/Config.in"
 208
 209 comment "C Library"
 210         depends on TOOLCHAINOPTS
 211
 212 choice
 213         prompt "C Library implementation" if TOOLCHAINOPTS
 214         default LIBC_USE_UCLIBC if arc
 215         default LIBC_USE_MUSL
 216         help
 217           Select the C library implementation.
 218
 219         config LIBC_USE_GLIBC
 220                 bool "Use (e)glibc"
 221                 select USE_GLIBC
 222                 depends on !arc
 223
 224         config LIBC_USE_UCLIBC
 225                 select USE_UCLIBC
 226                 bool "Use uClibc"
 227                 depends on !(aarch64 || aarch64_be)
 228                 depends on BROKEN || !(arm || armeb || i386 || x86_64 || mips || mipsel || mips64 || mips64el || powerpc)
 229
 230         config LIBC_USE_MUSL
 231                 select USE_MUSL
 232                 bool "Use musl"
 233                 depends on !(arc)
 234
 235 endchoice
 236
 237 source "toolchain/glibc/Config.in"
 238 source "toolchain/uClibc/Config.in"
 239
 240 comment "Debuggers"
 241         depends on TOOLCHAINOPTS
 242
 243 config GDB
 244         bool
 245         depends on !(aarch64 || aarch64_be)
 246         prompt "Build gdb" if TOOLCHAINOPTS
 247         default y if !EXTERNAL_TOOLCHAIN
 248         help
 249           Enable if you want to build the gdb.
 250
 251 config INSIGHT
 252         bool
 253         prompt "Build insight-gdb" if TOOLCHAINOPTS
 254         select GDB
 255         default n
 256         help
 257           Enable if you want to build insight-gdb.
 258
 259 config USE_GLIBC
 260         bool
 261
 262 config USE_UCLIBC
 263         default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && (arc)
 264         bool
 265
 266 config USE_MUSL
 267         default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && !(arc)
 268         bool
 269
 270 config USE_EXTERNAL_LIBC
 271         bool
 272         default y if EXTERNAL_TOOLCHAIN || NATIVE_TOOLCHAIN
 273
 274 source "toolchain/binutils/Config.version"
 275 source "toolchain/gcc/Config.version"
 276
 277 source "toolchain/glibc/Config.version"
 278 source "toolchain/uClibc/Config.version"
 279 source "toolchain/musl/Config.version"
 280
 281 config LIBC
 282         string
 283         default "glibc"   if USE_GLIBC
 284         default "uClibc"  if USE_UCLIBC
 285         default "musl"    if USE_MUSL
 286
 287 config LIBC_VERSION
 288         string
 289         default GLIBC_VERSION   if USE_GLIBC
 290         default UCLIBC_VERSION  if USE_UCLIBC
 291         default MUSL_VERSION    if USE_MUSL
 292
 293 config TARGET_SUFFIX
 294         string
 295         default "gnueabi"         if USE_GLIBC && (arm || armeb)
 296         default "gnu"             if USE_GLIBC && !(arm || armeb)
 297         default "uclibcgnueabi"   if USE_UCLIBC && (arm || armeb)
 298         default "uclibc"          if USE_UCLIBC && !(arm || armeb)
 299         default "muslgnueabi"     if USE_MUSL && (arm || armeb)
 300         default "musl"            if USE_MUSL && !(arm || armeb)
 301
 302 config MIPS64_ABI
 303         depends on mips64 || mips64el
 304         string
 305         default "64" if MIPS64_ABI_N64
 306         default "n32" if MIPS64_ABI_N32
 307         default "32" if MIPS64_ABI_O32
 308         default "64"