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1 #!/bin/rc
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2 #//////////////////////////////////////////////////////////////////////////////
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3 #
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4 # Copyright (c) 2007-2010 Daniel Adler <dadler@uni-goettingen.de>,
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5 # Tassilo Philipp <tphilipp@potion-studios.com>
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6 #
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7 # Permission to use, copy, modify, and distribute this software for any
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8 # purpose with or without fee is hereby granted, provided that the above
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9 # copyright notice and this permission notice appear in all copies.
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10 #
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11 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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12 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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13 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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14 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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15 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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16 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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17 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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18 #
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19 #//////////////////////////////////////////////////////////////////////////////
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20
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21 # --- configure settings ------------------------------------------------------
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22
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23 PACKAGE=dyncall
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24 CONFIG_PREFIX=/usr/local #@@@
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25
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26 # --- output error message ----------------------------------------------------
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27 fn error {
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28 echo error: $*
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29 exit 1
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30 }
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31
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32 # --- output warning message --------------------------------------------------
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33
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34 fn warning {
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35 echo warning: $*
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36 }
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37
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38 # --- output info message -----------------------------------------------------
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39
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40 fn info {
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41 echo $*
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42 }
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43
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44 # --- print usage -------------------------------------------------------------
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45
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46 fn usage {
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47 echo $PACKAGE' configuration shell-script'
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48 echo 'Usage:'
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49 echo ' configure [ options ]'
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50 echo
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51 echo 'Options:'
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52 echo ' --help'
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53 echo ' -h print this page'
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54 #echo
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55 #echo ' --target-x86 build for x86 architecture platform'
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56 #echo ' --target-x64 build for x64 architecture platform'
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57 #echo ' --target-ppc32 build for ppc32 architecture platform'
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58 #echo ' --target-arm-arm build for ARM architecture platform (ARM mode)'
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59 #echo ' --target-arm-thumb build for ARM architecture platform (THUMB mode)'
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60 #echo
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61 #echo ' --tool-pcc use Portable C Compiler'
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62 #echo
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63 #echo ' --asm-xa use Plan9 Assemblers (0a, 1a, 2a, etc.)'
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64 #echo
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65 #echo ' --config-release build release version (default)'
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66 #echo ' --config-debug build debug version'
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67 echo
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68 exit 0
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69 }
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70
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71 # --- guess operating system -------------------------------------------------
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72
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73 CONFIG_OS=()
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74 fn guess_os {
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75 CONFIG_OS='plan9'
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76 info 'guess os '$CONFIG_OS
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77 }
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78
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79 # --- guess architecture -----------------------------------------------------
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80
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81 CONFIG_ARCH=()
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82 fn guess_arch {
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83 CONFIG_ARCH='x86'
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84 switch($cputype) {
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85 case 386
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86 CONFIG_ARCH='x86'
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87 case amd64
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88 CONFIG_ARCH='x64'
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89 case arm
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90 CONFIG_ARCH='arm32_arm'
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91 case power
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92 CONFIG_ARCH='ppc32'
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93 case mips
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94 CONFIG_ARCH='mips32'
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95 case *
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96 warning 'unknown architecture '$cputype' - using default (x86)'
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97 }
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98 info 'guess arch '$CONFIG_ARCH
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99 }
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100
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101 # --- guess tool chain -------------------------------------------------------
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102
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103 CONFIG_TOOL=()
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104 fn guess_tool {
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105 #CONFIG_TOOL=`{grep CC /$objtype/mkfile | sed s/CC.//}
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106 CONFIG_TOOL='pcc'
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107 info 'guess tool '$CONFIG_TOOL
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108 }
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109
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110 # --- guess assembler --------------------------------------------------------
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111
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112 CONFIG_ASM=()
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113 fn guess_asm {
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114 CONFIG_ASM=`{grep AS /$objtype/mkfile | sed s/AS.//}
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115 info 'guess assembler '$CONFIG_ASM
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116 }
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117
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118 # --- process arguments ------------------------------------------------------
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119
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120 fn args {
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121 while(! ~ $#* 0 && ~ $1 -*) {
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122 OPT=$1
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123 shift
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124
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125 switch($OPT) {
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126 case --help -h
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127 usage
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128 #case --target-x86
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129 #CONFIG_ARCH='x86'
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130 #case --target-x64
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131 #CONFIG_ARCH='x64'
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132 #case --target-ppc32
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133 #CONFIG_ARCH='ppc32'
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134 #case --target-arm-arm
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135 #CONFIG_ARCH='arm32_arm'
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136 #case --target-arm-thumb
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137 #CONFIG_ARCH='arm32_thumb'
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138 #case --tool-pcc
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139 #CONFIG_TOOL=pcc
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140 #CONFIG_ASM=2a
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141 #case --tool-xa
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142 #CONFIG_ASM=2a
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143 #case --config-release
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144 #CONFIG_CONFIG=release
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145 #case --config-debug
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146 #CONFIG_CONFIG=debug
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147 case *
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148 warning 'unknown option '$OPT
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149 }
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150 }
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151 }
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152
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153 # --- guess variables --------------------------------------------------------
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154
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155 fn guess {
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156 if(~ $#CONFIG_OS 0) {
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157 guess_os
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158 if(~ $#CONFIG_OS 0) {
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159 error 'unsupported operating system '$OS
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160 }
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161 }
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162
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163 if(~ $#CONFIG_ARCH 0) {
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164 guess_arch
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165 if(~ $#CONFIG_ARCH 0) {
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166 error 'unsupported architecture '$ARCH
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167 }
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168 }
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169
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170 if(~ $#CONFIG_TOOL 0) {
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171 guess_tool
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172 if(~ $#CONFIG_TOOL 0) {
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173 error 'no tool'
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174 }
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175 }
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176
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177 if(~ $#CONFIG_ASM 0) {
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178 guess_asm
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179 if(~ $#CONFIG_ASM 0) {
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180 error 'no assembler tool'
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181 }
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182 }
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183
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184 if(~ $#CONFIG_CONFIG 0) {
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185 CONFIG_CONFIG=release
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186 }
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187 }
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188
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189 # --- set default variables --------------------------------------------------
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190
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191 fn set_defaults {
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192 CONFIG_HOST=$CONFIG_OS
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193 }
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194
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195 # --- derive variables -------------------------------------------------------
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196
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197 fn derive_vars {
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198 BUILD_HOST=$CONFIG_HOST
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199 if(! ~ $CONFIG_HOST $CONFIG_OS) {
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200 BUILD_HOST=$CONFIG_HOST'_'$CONFIG_OS
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201 }
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202 }
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203
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204 # --- write ConfigVars files ------------------------------------------------
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205
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206 fn output {
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207 echo '#auto-generated by '$PACKAGE'/configure' >$1
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208 echo 'CONFIG_PACKAGE='$PACKAGE >>$1
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209 echo 'CONFIG_HOST='$CONFIG_HOST >>$1
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210 echo 'CONFIG_OS='$CONFIG_OS >>$1
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211 echo 'CONFIG_ARCH='$CONFIG_ARCH >>$1
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212 echo 'CONFIG_TOOL='$CONFIG_TOOL >>$1
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213 echo 'CONFIG_ASM='$CONFIG_ASM >>$1
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214 echo 'CONFIG_CONFIG='$CONFIG_CONFIG >>$1
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215 echo 'CONFIG_PREFIX='$CONFIG_PREFIX >>$1
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216 if(! ~ $#CONFIG_BUILDPREFIX 0) {
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217 echo 'CONFIG_BUILDPREFIX='$CONFIG_BUILDPREFIX >>$1
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218 }
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219 echo '' >>$1
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220 }
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221
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222 # --- main -------------------------------------------------------------------
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223
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224 fn main {
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225 args $*
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226 info '* configure package '$PACKAGE
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227 guess
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228 set_defaults
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229 derive_vars
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230 output ConfigVars
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231 }
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232
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233 main $*
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234
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