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annotate host-tools.sh @ 368:2c5b02b47c8e

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Switch to building defconfig busybox. (Keep trimmed config anyway.)
author Rob Landley <rob@landley.net>
date Fri, 18 Jul 2008 09:00:05 -0500
parents 9829e6cc8637
children becb1084a427
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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6b4844b708b9 dash->bash.
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1 #!/bin/bash
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2
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3 # Get lots of predefined environment variables and shell functions.
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4
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5 # Tell bash not to memorize the path to anything, so toybox utilities get
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6 # used immediately even if a different executable was found last $PATH lookup.
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7 set +h
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8
93
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9 echo -e "\e[0m"
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10 echo "=== Building host tools"
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11
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12 NO_ARCH=1
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13 source include.sh
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14
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fd6d26721acf Minor tweak, move toybox build to the start.
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15 mkdir -p "${HOSTTOOLS}" || dienow
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16
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17 # If we want to record the host command lines, so we know exactly what commands
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18 # the build uses.
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19
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20 if [ ! -z "$RECORD_COMMANDS" ] && [ ! -f "$BUILD/wrapdir/wrappy" ]
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21 then
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22 # package-mini-native.sh needs oneit.
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23
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24 if [ ! -f "${HOSTTOOLS}/toybox" ]
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25 then
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26 setupfor toybox &&
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27 make defconfig &&
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28 make &&
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29 mv toybox "${HOSTTOOLS}"/oneit &&
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30 cd ..
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31
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32 cleanup toybox
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33 fi
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34
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35 echo setup wrapdir
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36
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37 # Build the wrapper and install it into build/wrapdir/wrappy
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38 rm -rf "$BUILD/wrapdir"
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39 mkdir "$BUILD/wrapdir" &&
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40 $CC -Os "$SOURCES/toys/wrappy.c" -o "$BUILD/wrapdir/wrappy" || dienow
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41
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42 # Loop through each $PATH element and create a symlink to the wrapper with
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43 # that name.
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44
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45 for i in $(echo $PATH | sed 's/:/ /g')
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46 do
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47 for j in $(ls $i)
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48 do
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49 ln -s wrappy "$BUILD/wrapdir/$j"
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50 done
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51 done
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52
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53 # Adjust things to use wrapper directory
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54
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55 export WRAPPY_REALPATH="$PATH"
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56 PATH="$BUILD/wrapdir"
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57
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58 # If we're not recording the host command lines, then populate a directory
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59 # with host versions of all the command line utilities we're going to install
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60 # into mini-native. When we're done, PATH can be set to include just this
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61 # directory and nothing else.
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62
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63 # This serves three purposes:
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64 #
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65 # 1) Enumerate exactly what we need to build the system, so we can make sure
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66 # mini-native has everything it needs to rebuild us. If anything is missing
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67 # from this list, the resulting mini-native probably won't have it either,
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68 # so it's nice to know as early as possible that we actually needed it.
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69 #
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70 # 2) Quick smoke test that the versions of the tools we're using can compile
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71 # everything from source correctly, and thus mini-native should be able to
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72 # rebuild from source using those same tools.
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73 #
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74 # 3) Reduce variation from distro to distro. The build always uses the
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75 # same command line utilities no matter where we're running, because we
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76 # provide our own.
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77
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78 else
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79
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80 # Start by creating symlinks to the host toolchain, since we need to use
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81 # that to build anything else. We build a cross compiler, and a native
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82 # compiler for the target, but we don't build a host toolchain. We use the
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83 # one that's already there.
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84
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85 for i in ar as nm cc gcc make ld
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86 do
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87 [ ! -f "${HOSTTOOLS}/$i" ] && (ln -s `which $i` "${HOSTTOOLS}/$i" || dienow)
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88 done
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89
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90 # Build toybox
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91
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92 if [ ! -f "${HOSTTOOLS}/toybox" ]
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93 then
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94 setupfor toybox &&
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95 make defconfig &&
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96 # make install_flat PREFIX="${HOSTTOOLS}" &&
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97 make &&
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98 cp toybox $HOSTTOOLS &&
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99 ln -s toybox $HOSTTOOLS/oneit &&
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100 ln -s toybox $HOSTTOOLS/patch &&
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101 cd ..
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102
352
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103 cleanup toybox
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104 fi
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105
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106 # Build busybox
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107
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108 # Yes this is an old version of busybox. (It's the last version I released
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109 # as busybox maintainer.) We're gradually replacing busybox with toybox, one
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110 # command at a time.
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111
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112 if [ ! -f "${HOSTTOOLS}/busybox" ]
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113 then
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114 setupfor busybox &&
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115 # make allnoconfig KCONFIG_ALLCONFIG="${SOURCES}/config-busybox" &&
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116 make defconfig &&
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117 make -j $CPUS &&
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118 make busybox.links &&
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119 cp busybox "${HOSTTOOLS}"
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120
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121 [ $? -ne 0 ] && dienow
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122
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123 for i in $(sed 's@.*/@@' busybox.links)
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124 do
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125 ln -s busybox "${HOSTTOOLS}"/$i # || dienow
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126 done
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127 cd ..
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128
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129 cleanup busybox
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130 fi
311
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131 fi
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132
254
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133
301
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134 # This is optionally used by mini-native to accelerate native builds when
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135 # running under qemu. It's not used to build mini-native, or to build
311
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136 # the cross compiler, but it needs to be on the host system in order to
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137 # use the distcc acceleration trick.
301
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138
318
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139 # Build distcc (if it's not in $PATH)
277
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140 if [ -z "$(which distcc)" ]
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141 then
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142 setupfor distcc &&
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143 ./configure --with-included-popt &&
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144 make -j "$CPUS" &&
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145 cp distcc distccd "${HOSTTOOLS}" &&
301
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146 cd ..
277
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147
301
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148 cleanup distcc
277
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149 fi
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150
108
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151 # As a temporary measure, build User Mode Linux and use _that_ to package
301
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152 # the ext2 image to boot qemu with. (Replace this with toybox gene2fs.)
108
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153
319
17ac907b99f8 Typo (mine, not Andre's).
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154 if [ ! -f "${HOSTTOOLS}/linux" ]
120
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155 then
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156 setupfor linux &&
254
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157 cat > mini.conf << EOF &&
108
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158 CONFIG_BINFMT_ELF=y
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159 CONFIG_HOSTFS=y
215
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160 CONFIG_LBD=y
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161 CONFIG_BLK_DEV=y
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162 CONFIG_BLK_DEV_LOOP=y
108
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163 CONFIG_STDERR_CONSOLE=y
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164 CONFIG_UNIX98_PTYS=y
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165 CONFIG_EXT2_FS=y
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166 EOF
120
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167 make ARCH=um allnoconfig KCONFIG_ALLCONFIG=mini.conf &&
276
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168 make -j "$CPUS" ARCH=um &&
120
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169 cp linux "${HOSTTOOLS}" &&
301
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170 cd ..
93
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171
301
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172 cleanup linux
120
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173 fi
93
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174
301
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175 # Everything after here is stuff we _could_ build, but currently don't.
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176
108
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177 # Build squashfs
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178 #setupfor squashfs
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179 #cd squashfs-tools &&
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180 #make &&
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181 #cp mksquashfs unsquashfs "${HOSTTOOLS}" &&
301
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182 #cd ..
108
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183 #
301
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184 #cleanup squashfs
108
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185
352
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186 if [ ! -z "$RECORD_COMMANDS" ]
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187 then
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188 # Add the host tools we just built to wrapdir
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189 for j in $(ls "$HOSTTOOLS")
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190 do
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191 ln -s wrappy "$BUILD/wrapdir/$j"
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192 done
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193 fi
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194
93
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195 echo -e "\e[32mHost tools build complete.\e[0m"