make/toolchain.sh

Tue, 30 Jan 2024 11:58:11 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Tue, 30 Jan 2024 11:58:11 +0100
changeset 12
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parent 0
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child 32
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permissions
-rw-r--r--

don't change the path bar value if the new path is a prefix of the current path

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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

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