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annotate host-tools.sh @ 352:1782b77fae15

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Add command logging. Set RECORD_COMMANDS=1 to log every command line run by the build into log files named "build/cmdlines.$STAGE.$PACKAGE".
author Rob Landley <rob@landley.net>
date Wed, 02 Jul 2008 22:37:41 -0500
parents 595332f94fea
children f6e1d29086c1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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177
6b4844b708b9 dash->bash.
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1 #!/bin/bash
93
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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
352
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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 "$RECORD_COMMANDS" ]
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21 then
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22 echo setup wrapdir
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23
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24 # Build the wrapper and install it into build/wrapdir/wrappy
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25 rm -rf "$BUILD/wrapdir"
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26 mkdir "$BUILD/wrapdir" &&
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27 $CC -Os "$SOURCES/toys/wrappy.c" -o "$BUILD/wrapdir/wrappy" || dienow
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28
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29 # Loop through each $PATH element and create a symlink to the wrapper with
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30 # that name.
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31
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32 for i in $(echo $PATH | sed 's/:/ /g')
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33 do
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34 for j in $(ls $i)
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35 do
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36 ln -s wrappy "$BUILD/wrapdir/$j"
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37 done
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38 done
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39
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40 # Adjust things to use wrapper directory
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41
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42 export WRAPPY_REALPATH="$PATH"
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43 PATH="$BUILD/wrapdir"
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44
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45 # If we're not recording the host command lines, then populate a directory
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46 # with host versions of all the command line utilities we're going to install
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47 # into mini-native. When we're done, PATH can be set to include just this
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48 # directory and nothing else.
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49
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50 # This serves three purposes:
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51 #
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52 # 1) Enumerate exactly what we need to build the system, so we can make sure
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53 # mini-native has everything it needs to rebuild us. If anything is missing
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54 # from this list, the resulting mini-native probably won't have it either,
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55 # so it's nice to know as early as possible that we actually needed it.
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56 #
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57 # 2) Quick smoke test that the versions of the tools we're using can compile
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58 # everything from source correctly, and thus mini-native should be able to
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59 # rebuild from source using those same tools.
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60 #
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61 # 3) Reduce variation from distro to distro. The build always uses the
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62 # same command line utilities no matter where we're running, because we
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63 # provide our own.
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64
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65 else
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352
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67 # Start by creating symlinks to the host toolchain, since we need to use
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68 # that to build anything else. We build a cross compiler, and a native
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69 # compiler for the target, but we don't build a host toolchain. We use the
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70 # one that's already there.
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71
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72 for i in ar as nm cc gcc make ld
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73 do
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74 [ ! -f "${HOSTTOOLS}/$i" ] && (ln -s `which $i` "${HOSTTOOLS}/$i" || dienow)
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75 done
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76
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77 # These commands need to be added to toybox. The build breaks if we use
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78 # the busybox-1.2.2 versions, where available. I'm working to remove this
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79 # hunk...
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80
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81 for i in bzip2 find install od diff wget
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82 do
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83 [ ! -f "${HOSTTOOLS}/$i" ] && (ln -s `which $i` "${HOSTTOOLS}/$i" || dienow)
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84 done
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85
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86 # Build toybox
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87
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88 if [ ! -f "${HOSTTOOLS}/toybox" ]
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89 then
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90 setupfor toybox &&
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91 make defconfig &&
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92 make install_flat PREFIX="${HOSTTOOLS}" &&
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93 cd ..
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94
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95 cleanup toybox
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96 fi
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97
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98 # Build busybox
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99
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100 # Yes this is an old version of busybox. (It's the last version I released
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101 # as busybox maintainer.) We're gradually replacing busybox with toybox, one
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102 # command at a time.
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103
352
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104 if [ ! -f "${HOSTTOOLS}/busybox" ]
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105 then
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106 setupfor busybox &&
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107 cp "${SOURCES}/config-busybox" .config &&
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108 yes "" | make oldconfig &&
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109 make &&
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110 cp busybox "${HOSTTOOLS}"
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111
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112 [ $? -ne 0 ] && dienow
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113
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114 for i in $(sed 's@.*/@@' busybox.links)
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115 do
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116 ln -s busybox "${HOSTTOOLS}"/$i || dienow
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117 done
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118 cd ..
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119
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120 cleanup busybox
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121 fi
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122 fi
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123
254
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124
301
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125 # This is optionally used by mini-native to accelerate native builds when
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126 # running under qemu. It's not used to build mini-native, or to build
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127 # the cross compiler, but it needs to be on the host system in order to
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128 # use the distcc acceleration trick.
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129
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130 # Build distcc (if it's not in $PATH)
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131 if [ -z "$(which distcc)" ]
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132 then
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133 setupfor distcc &&
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134 ./configure --with-included-popt &&
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135 make -j "$CPUS" &&
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136 cp distcc distccd "${HOSTTOOLS}" &&
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137 cd ..
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138
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139 cleanup distcc
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140 fi
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141
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142 # As a temporary measure, build User Mode Linux and use _that_ to package
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143 # the ext2 image to boot qemu with. (Replace this with toybox gene2fs.)
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144
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17ac907b99f8 Typo (mine, not Andre's).
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145 if [ ! -f "${HOSTTOOLS}/linux" ]
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146 then
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147 setupfor linux &&
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148 cat > mini.conf << EOF &&
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149 CONFIG_BINFMT_ELF=y
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150 CONFIG_HOSTFS=y
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151 CONFIG_LBD=y
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152 CONFIG_BLK_DEV=y
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153 CONFIG_BLK_DEV_LOOP=y
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154 CONFIG_STDERR_CONSOLE=y
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155 CONFIG_UNIX98_PTYS=y
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156 CONFIG_EXT2_FS=y
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157 EOF
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158 make ARCH=um allnoconfig KCONFIG_ALLCONFIG=mini.conf &&
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159 make -j "$CPUS" ARCH=um &&
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160 cp linux "${HOSTTOOLS}" &&
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161 cd ..
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162
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163 cleanup linux
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164 fi
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165
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166 # Everything after here is stuff we _could_ build, but currently don't.
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167
108
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168 # Build squashfs
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169 #setupfor squashfs
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170 #cd squashfs-tools &&
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171 #make &&
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172 #cp mksquashfs unsquashfs "${HOSTTOOLS}" &&
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173 #cd ..
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174 #
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175 #cleanup squashfs
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176
352
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177 if [ ! -z "$RECORD_COMMANDS" ]
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178 then
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179 # Add the host tools we just built to wrapdir
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180 for j in $(ls "$HOSTTOOLS")
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181 do
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182 ln -s wrappy "$BUILD/wrapdir/$j"
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183 done
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184 fi
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185
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186 echo -e "\e[32mHost tools build complete.\e[0m"