OpenWrt – Blame information for rev 3
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1 | office | 1 | # Copyright (C) 2006-2013 OpenWrt.org |
2 | # |
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3 | # This is free software, licensed under the GNU General Public License v2. |
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4 | # See /LICENSE for more information. |
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5 | # |
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6 | |||
7 | menuconfig TARGET_OPTIONS |
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8 | bool "Target Options" if DEVEL |
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9 | |||
10 | config TARGET_OPTIMIZATION |
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11 | string "Target Optimizations" if TARGET_OPTIONS |
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12 | default DEFAULT_TARGET_OPTIMIZATION |
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13 | help |
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14 | Optimizations to use when building for the target host. |
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15 | |||
16 | config SOFT_FLOAT |
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17 | bool "Use software floating point by default" if TARGET_OPTIONS |
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18 | default y if !HAS_FPU |
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19 | depends on arm || armeb || powerpc || mipsel || mips || mips64el || mips64 |
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20 | help |
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21 | If your target CPU does not have a Floating Point Unit (FPU) or a |
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22 | kernel FPU emulator, but you still wish to support floating point |
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23 | functions, then everything will need to be compiled with soft floating |
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24 | point support (-msoft-float). |
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25 | |||
26 | Most people will answer N. |
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27 | |||
28 | config USE_MIPS16 |
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29 | bool "Build packages with MIPS16 instructions" if TARGET_OPTIONS |
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30 | depends on HAS_MIPS16 |
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31 | default y |
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32 | help |
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33 | If your target CPU does support the MIPS16 instruction set |
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34 | and you want to use it for packages, enable this option. |
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35 | MIPS16 produces smaller binaries thus reducing pressure on |
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36 | caches and TLB. |
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37 | |||
38 | Most people will answer N. |
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39 | |||
40 | |||
41 | menuconfig EXTERNAL_TOOLCHAIN |
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42 | bool |
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43 | prompt "Use external toolchain" if DEVEL |
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44 | help |
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45 | If enabled, LEDE will compile using an existing toolchain instead of |
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46 | compiling one. |
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47 | |||
48 | config NATIVE_TOOLCHAIN |
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49 | bool |
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50 | prompt "Use host's toolchain" if DEVEL |
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51 | depends on EXTERNAL_TOOLCHAIN |
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52 | select NO_STRIP |
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53 | help |
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54 | If enabled, LEDE will compile using the native toolchain for your |
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55 | host instead of compiling one. |
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56 | |||
57 | config TARGET_NAME |
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58 | string |
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59 | prompt "Target name" if DEVEL |
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60 | depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN |
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61 | default "aarch64-unknown-linux-gnu" if aarch64 |
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62 | default "aarch64_be-unknown-linux-gnu" if aarch64_be |
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63 | default "arm-unknown-linux-gnu" if arm |
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64 | default "armeb-unknown-linux-gnu" if armeb |
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65 | default "i486-unknown-linux-gnu" if i386 |
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66 | default "mips-unknown-linux-gnu" if mips |
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67 | default "mipsel-unknown-linux-gnu" if mipsel |
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68 | default "powerpc-unknown-linux-gnu" if powerpc |
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69 | default "x86_64-unknown-linux-gnu" if x86_64 |
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70 | |||
71 | config TOOLCHAIN_PREFIX |
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72 | string |
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73 | prompt "Toolchain prefix" if DEVEL |
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74 | depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN |
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75 | default "aarch64-unknown-linux-gnu" if aarch64 |
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76 | default "aarch64_be-unknown-linux-gnu" if aarch64_be |
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77 | default "arm-unknown-linux-gnu-" if arm |
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78 | default "armeb-unknown-linux-gnu-" if armeb |
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79 | default "i486-unknown-linux-gnu-" if i386 |
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80 | default "mips-unknown-linux-gnu-" if mips |
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81 | default "mipsel-unknown-linux-gnu-" if mipsel |
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82 | default "powerpc-unknown-linux-gnu-" if powerpc |
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83 | default "x86_64-unknown-linux-gnu-" if x86_64 |
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84 | |||
85 | config TOOLCHAIN_ROOT |
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86 | string |
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87 | prompt "Toolchain root" if DEVEL |
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88 | depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN |
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89 | default "/opt/cross/aarch64-unknown-linux-gnu" if aarch64 |
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90 | default "/opt/cross/aarch64_be-unknown-linux-gnu" if aarch64_be |
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91 | default "/opt/cross/arm-unknown-linux-gnu" if arm |
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92 | default "/opt/cross/armeb-unknown-linux-gnu" if armeb |
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93 | default "/opt/cross/i486-unknown-linux-gnu" if i386 |
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94 | default "/opt/cross/mips-unknown-linux-gnu" if mips |
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95 | default "/opt/cross/mipsel-unknown-linux-gnu" if mipsel |
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96 | default "/opt/cross/powerpc-unknown-linux-gnu" if powerpc |
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97 | default "/opt/cross/x86_64-unknown-linux-gnu" if x86_64 |
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98 | |||
99 | choice TOOLCHAIN_LIBC_TYPE |
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100 | prompt "Toolchain libc" if DEVEL |
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101 | depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN |
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102 | default EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL |
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103 | help |
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104 | Specify the libc type used by the external toolchain. The given value |
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105 | is passed as -m flag to all gcc and g++ invocations. This is mainly |
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106 | intended for multilib toolchains which support glibc and uclibc at |
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107 | the same time. If no value is specified, no -m flag is passed. |
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108 | |||
109 | config EXTERNAL_TOOLCHAIN_LIBC_USE_GLIBC |
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110 | bool "glibc" |
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111 | select USE_GLIBC |
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112 | |||
113 | config EXTERNAL_TOOLCHAIN_LIBC_USE_UCLIBC |
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114 | bool "uClibc" |
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115 | select USE_UCLIBC |
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116 | depends on !(aarch64 || aarch64_be) |
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117 | |||
118 | config EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL |
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119 | bool "musl" |
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120 | select USE_MUSL |
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121 | |||
122 | endchoice |
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123 | |||
124 | config TOOLCHAIN_LIBC |
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125 | string |
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126 | depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN |
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127 | default "glibc" if EXTERNAL_TOOLCHAIN_LIBC_USE_GLIBC |
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128 | default "uclibc" if EXTERNAL_TOOLCHAIN_LIBC_USE_UCLIBC |
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129 | default "musl" if EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL |
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130 | |||
131 | config TOOLCHAIN_BIN_PATH |
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132 | string |
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133 | prompt "Toolchain program path" if DEVEL |
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134 | depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN |
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135 | default "./usr/bin ./bin" |
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136 | help |
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137 | Specify additional directories searched for toolchain binaries |
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138 | (override PATH). Use ./DIR for directories relative to the root above. |
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139 | |||
140 | config TOOLCHAIN_INC_PATH |
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141 | string |
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142 | prompt "Toolchain include path" if DEVEL |
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143 | depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN |
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144 | default "./usr/include ./include" |
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145 | help |
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146 | Specify additional directories searched for header files (override |
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147 | CPPFLAGS). Use ./DIR for directories relative to the root above. |
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148 | |||
149 | config TOOLCHAIN_LIB_PATH |
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150 | string |
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151 | prompt "Toolchain library path" if DEVEL |
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152 | depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN |
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153 | default "./usr/lib ./lib" |
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154 | help |
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155 | Specify additional directories searched for libraries (override LDFLAGS). |
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156 | Use ./DIR for directories relative to the root above. |
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157 | |||
158 | config NEED_TOOLCHAIN |
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159 | bool |
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160 | depends on DEVEL |
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161 | default y if !EXTERNAL_TOOLCHAIN |
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162 | |||
163 | menuconfig TOOLCHAINOPTS |
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164 | bool "Toolchain Options" if DEVEL |
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165 | depends on NEED_TOOLCHAIN |
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166 | |||
167 | menuconfig EXTRA_TARGET_ARCH |
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168 | bool |
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169 | prompt "Enable an extra toolchain target architecture" if TOOLCHAINOPTS |
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170 | depends on !sparc |
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171 | default n |
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172 | help |
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173 | Some builds may require a 'biarch' toolchain. This option |
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174 | allows you to specify an additional target arch. |
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175 | |||
176 | Most people will answer N here. |
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177 | |||
178 | config EXTRA_TARGET_ARCH_NAME |
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179 | string |
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180 | prompt "Extra architecture name" if EXTRA_TARGET_ARCH |
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181 | help |
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182 | Specify the cpu name (eg powerpc64 or x86_64) of the |
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183 | additional target architecture. |
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184 | |||
185 | config EXTRA_TARGET_ARCH_OPTS |
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186 | string |
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187 | prompt "Extra architecture compiler options" if EXTRA_TARGET_ARCH |
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188 | help |
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189 | If you're specifying an addition target architecture, |
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190 | you'll probably need to also provide options to make |
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191 | the compiler use this alternate arch. |
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192 | |||
193 | For example, if you're building a compiler that can build |
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194 | both powerpc and powerpc64 binaries, you'll need to |
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195 | specify -m64 here. |
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196 | |||
197 | |||
198 | choice |
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199 | prompt "MIPS64 user-land ABI" if TOOLCHAINOPTS && (mips64 || mips64el) |
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200 | default MIPS64_ABI_N64 |
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201 | help |
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202 | MIPS64 supports 3 different user-land ABIs: o32 (legacy), |
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203 | n32 and n64. |
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204 | |||
205 | config MIPS64_ABI_N64 |
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206 | bool "n64" |
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207 | |||
208 | config MIPS64_ABI_N32 |
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209 | depends on !LIBC_USE_MUSL |
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210 | bool "n32" |
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211 | |||
212 | config MIPS64_ABI_O32 |
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213 | bool "o32" |
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214 | |||
215 | endchoice |
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216 | |||
217 | comment "Binary tools" |
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218 | depends on TOOLCHAINOPTS |
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219 | |||
220 | source "toolchain/binutils/Config.in" |
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221 | |||
222 | comment "Compiler" |
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223 | depends on TOOLCHAINOPTS |
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224 | |||
225 | source "toolchain/gcc/Config.in" |
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226 | |||
3 | office | 227 | config YASM |
1 | office | 228 | bool |
229 | depends on ( i386 || x86_64 ) |
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3 | office | 230 | prompt "Build yasm" if TOOLCHAINOPTS |
1 | office | 231 | default y |
232 | help |
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3 | office | 233 | Enable if you want to build yasm |
1 | office | 234 | |
235 | comment "C Library" |
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236 | depends on TOOLCHAINOPTS |
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237 | |||
238 | choice |
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239 | prompt "C Library implementation" if TOOLCHAINOPTS |
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240 | default LIBC_USE_UCLIBC if arc |
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241 | default LIBC_USE_GLIBC if powerpc64 |
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242 | default LIBC_USE_MUSL |
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243 | help |
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244 | Select the C library implementation. |
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245 | |||
246 | config LIBC_USE_GLIBC |
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247 | bool "Use glibc" |
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248 | select USE_GLIBC |
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249 | depends on !arc |
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250 | |||
251 | config LIBC_USE_UCLIBC |
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252 | select USE_UCLIBC |
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253 | bool "Use uClibc" |
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254 | depends on !(aarch64 || aarch64_be || powerpc64) |
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255 | depends on BROKEN || !(arm || armeb || i386 || x86_64 || mips || mipsel || mips64 || mips64el || powerpc) |
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256 | |||
257 | config LIBC_USE_MUSL |
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258 | select USE_MUSL |
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259 | bool "Use musl" |
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260 | depends on !(arc || powerpc64) |
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261 | |||
262 | endchoice |
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263 | |||
264 | source "toolchain/uClibc/Config.in" |
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265 | |||
266 | comment "Debuggers" |
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267 | depends on TOOLCHAINOPTS |
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268 | |||
269 | config GDB |
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270 | bool |
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271 | prompt "Build gdb" if TOOLCHAINOPTS |
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272 | default y if !EXTERNAL_TOOLCHAIN |
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273 | help |
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274 | Enable if you want to build the gdb. |
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275 | |||
276 | config USE_GLIBC |
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277 | default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && (powerpc64) |
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278 | bool |
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279 | |||
280 | config USE_UCLIBC |
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281 | default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && (arc) |
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282 | bool |
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283 | |||
284 | config USE_MUSL |
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285 | default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && !(arc || powerpc64) |
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286 | bool |
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287 | |||
288 | config SSP_SUPPORT |
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289 | default y if USE_MUSL || GCC_LIBSSP |
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290 | bool |
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291 | |||
292 | config USE_EXTERNAL_LIBC |
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293 | bool |
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294 | default y if EXTERNAL_TOOLCHAIN || NATIVE_TOOLCHAIN |
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295 | |||
296 | source "toolchain/binutils/Config.version" |
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297 | source "toolchain/gcc/Config.version" |
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298 | |||
299 | config LIBC |
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300 | string |
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301 | default "glibc" if USE_GLIBC |
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302 | default "uClibc" if USE_UCLIBC |
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303 | default "musl" if USE_MUSL |
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304 | |||
305 | config TARGET_SUFFIX |
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306 | string |
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307 | default "gnueabi" if USE_GLIBC && (arm || armeb) |
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308 | default "gnu" if USE_GLIBC && !(arm || armeb) |
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309 | default "uclibcgnueabi" if USE_UCLIBC && (arm || armeb) |
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310 | default "uclibc" if USE_UCLIBC && !(arm || armeb) |
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311 | default "muslgnueabi" if USE_MUSL && (arm || armeb) |
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312 | default "musl" if USE_MUSL && !(arm || armeb) |
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313 | |||
314 | config MIPS64_ABI |
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315 | depends on mips64 || mips64el |
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316 | string |
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317 | default "64" if MIPS64_ABI_N64 |
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318 | default "n32" if MIPS64_ABI_N32 |
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319 | default "32" if MIPS64_ABI_O32 |
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320 | default "64" |