Sun, 16 Jul 2023 13:29:41 +0200
fix default prefix in help text not being the default but the actual prefix
fixes #272
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1 | #!/bin/sh |
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2 | # |
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3 | # toolchain detection |
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4 | # |
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5 | |
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6 | C_COMPILERS="cc gcc clang suncc" |
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7 | CPP_COMPILERS="CC g++ clang++ sunCC" |
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8 | unset CC_ARG_CHECKED |
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9 | unset TOOLCHAIN_DETECTION_ERROR |
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10 | unset TOOLCHAIN_NAME |
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11 | |
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12 | check_c_compiler() |
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13 | { |
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14 | cat > $TEMP_DIR/test.c << __EOF__ |
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15 | /* test file */ |
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16 | #include <stdio.h> |
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17 | int main(int argc, char **argv) { |
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18 | #if defined(__clang__) |
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19 | printf("clang\n"); |
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20 | #elif defined(__GNUC__) |
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21 | printf("gcc\n"); |
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22 | #elif defined(__sun) |
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23 | printf("suncc\n"); |
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24 | #else |
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25 | printf("unknown\n"); |
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26 | #endif |
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27 | return 0; |
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28 | } |
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29 | __EOF__ |
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30 | rm -f $TEMP_DIR/checkcc |
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31 | $1 -o $TEMP_DIR/checkcc $CFLAGS $LDFLAGS $TEMP_DIR/test.c 2> /dev/null |
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32 | |
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33 | if [ $? -ne 0 ]; then |
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34 | return 1 |
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35 | fi |
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36 | return 0 |
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37 | } |
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38 | |
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39 | check_cpp_compiler() |
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40 | { |
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41 | cat > $TEMP_DIR/test.cpp << __EOF__ |
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42 | /* test file */ |
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43 | #include <iostream> |
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44 | int main(int argc, char **argv) { |
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45 | #if defined(__clang__) |
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46 | std::cout << "clang" << std::endl; |
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47 | #elif defined(__GNUC__) |
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48 | std::cout << "gcc" << std::endl; |
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49 | #elif defined(__sun) |
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50 | std::cout << "suncc" << std::endl; |
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51 | #else |
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52 | std::cout << "unknown" << std::endl; |
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53 | #endif |
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54 | return 0; |
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55 | } |
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56 | __EOF__ |
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57 | rm -f $TEMP_DIR/checkcc |
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58 | $1 -o $TEMP_DIR/checkcc $CXXFLAGS $LDFLAGS $TEMP_DIR/test.cpp 2> /dev/null |
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59 | |
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60 | if [ $? -ne 0 ]; then |
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61 | return 1 |
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62 | fi |
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63 | return 0 |
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64 | } |
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65 | |
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66 | printf "detect C compiler... " |
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67 | |
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68 | for COMP in $C_COMPILERS |
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69 | do |
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70 | check_c_compiler $COMP |
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71 | if [ $? -ne 0 ]; then |
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72 | if [ ! -z "$CC" ]; then |
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73 | if [ $COMP = $CC ]; then |
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74 | echo "$CC is not a working C Compiler" |
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75 | TOOLCHAIN_DETECTION_ERROR="error" |
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76 | break |
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77 | fi |
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78 | fi |
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79 | else |
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80 | TOOLCHAIN_NAME=`$TEMP_DIR/checkcc` |
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81 | USE_TOOLCHAIN=$TOOLCHAIN_NAME |
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82 | if [ $COMP = "cc" ]; then |
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83 | # we have found a working compiler, but in case |
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84 | # the compiler is gcc or clang, we try to use |
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85 | # these commands and not 'cc' |
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86 | TOOLCHAIN_NAME=`$TEMP_DIR/checkcc` |
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87 | if [ $TOOLCHAIN_NAME = "gcc" ]; then |
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88 | check_c_compiler "gcc" |
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89 | if [ $? -eq 0 ]; then |
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90 | COMP=gcc |
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91 | USE_TOOLCHAIN="gcc" |
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92 | fi |
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93 | fi |
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94 | if [ $TOOLCHAIN_NAME = "clang" ]; then |
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95 | check_c_compiler "clang" |
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96 | if [ $? -eq 0 ]; then |
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97 | COMP=clang |
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98 | USE_TOOLCHAIN="clang" |
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99 | fi |
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100 | fi |
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101 | fi |
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102 | |
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103 | TOOLCHAIN_NAME=$USE_TOOLCHAIN |
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104 | TOOLCHAIN_CC=$COMP |
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105 | echo $COMP |
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106 | break |
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107 | fi |
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108 | done |
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109 | if [ -z $TOOLCHAIN_CC ]; then |
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110 | echo "not found" |
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111 | fi |
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112 | |
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113 | printf "detect C++ compiler... " |
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114 | |
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115 | for COMP in $CPP_COMPILERS |
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116 | do |
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117 | check_cpp_compiler $COMP |
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118 | if [ $? -ne 0 ]; then |
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119 | if [ ! -z "$CXX" ]; then |
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120 | if [ $COMP = $CXX ]; then |
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121 | echo "$CC is not a working C++ Compiler" |
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122 | TOOLCHAIN_DETECTION_ERROR="error" |
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123 | break |
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124 | fi |
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125 | fi |
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126 | else |
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127 | if [ $COMP = "CC" ]; then |
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128 | # we have found a working compiler, but in case |
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129 | # the compiler is gcc or clang, we try to use |
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130 | # these commands and not 'cc' |
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131 | TOOLCHAIN_NAME=`$TEMP_DIR/checkcc` |
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132 | USE_TOOLCHAIN=$TOOLCHAIN_NAME |
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133 | if [ $TOOLCHAIN_NAME = "gcc" ]; then |
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134 | check_cpp_compiler "g++" |
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135 | if [ $? -eq 0 ]; then |
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136 | COMP=g++ |
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137 | USE_TOOLCHAIN="gcc" |
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138 | fi |
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139 | fi |
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140 | if [ $TOOLCHAIN_NAME = "clang" ]; then |
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141 | check_cpp_compiler "clang++" |
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142 | if [ $? -eq 0 ]; then |
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143 | COMP=clang++ |
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144 | USE_TOOLCHAIN="clang" |
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145 | fi |
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146 | fi |
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147 | fi |
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148 | |
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149 | TOOLCHAIN_NAME=$USE_TOOLCHAIN |
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150 | TOOLCHAIN_CXX=$COMP |
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151 | echo $COMP |
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152 | break |
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153 | fi |
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154 | done |
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155 | if [ -z $TOOLCHAIN_CXX ]; then |
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156 | echo "not found" |
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157 | fi |
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158 | |
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159 | TOOLCHAIN_LD=$TOOLCHAIN_CC |
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160 | |
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161 | if [ -z "$TOOLCHAIN_NAME" ]; then |
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162 | TOOLCHAIN_DETECTION_ERROR="error" |
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163 | else |
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164 | cat >> $TEMP_DIR/config.mk << __EOF__ |
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165 | # toolchain |
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166 | __EOF__ |
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167 | echo "CC = ${TOOLCHAIN_CC}" >> $TEMP_DIR/config.mk |
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168 | if [ ! -z "$TOOLCHAIN_CXX" ]; then |
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169 | echo "CXX = ${TOOLCHAIN_CXX}" >> $TEMP_DIR/config.mk |
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170 | fi |
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171 | echo "LD = ${TOOLCHAIN_LD}" >> $TEMP_DIR/config.mk |
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172 | echo >> $TEMP_DIR/config.mk |
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173 | |
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174 | cat "make/${TOOLCHAIN_NAME}.mk" > /dev/null 2>&1 |
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175 | if [ $? -eq 0 ]; then |
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176 | echo "include \$(BUILD_ROOT)/make/${TOOLCHAIN_NAME}.mk" >> $TEMP_DIR/config.mk |
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177 | else |
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178 | echo "SHLIB_CFLAGS = -fPIC" >> $TEMP_DIR/config.mk |
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179 | echo "SHLIB_LDFLAGS = -shared" >> $TEMP_DIR/config.mk |
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180 | fi |
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181 | fi |