src/main/resources/make/toolchain.sh

Sun, 07 Jan 2024 11:05:24 +0100

author
Mike Becker <universe@uap-core.de>
date
Sun, 07 Jan 2024 11:05:24 +0100
changeset 96
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parent 90
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child 100
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permissions
-rw-r--r--

trim all contents by default - relates to #317

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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="gcc clang suncc cc"
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7 CPP_COMPILERS="g++ clang++ sunCC CC"
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8 unset TOOLCHAIN_NAME
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9 unset TOOLCHAIN_CC
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10 unset TOOLCHAIN_CXX
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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
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34 check_cpp_compiler()
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35 {
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36 cat > "$TEMP_DIR/test.cpp" << __EOF__
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37 /* test file */
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38 #include <iostream>
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39 int main(int argc, char **argv) {
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40 #if defined(__clang__)
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41 std::cout << "clang" << std::endl;
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42 #elif defined(__GNUC__)
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43 std::cout << "gcc" << std::endl;
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44 #elif defined(__sun)
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45 std::cout << "suncc" << std::endl;
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46 #else
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47 std::cout << "cc" << std::endl;
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48 #endif
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49 return 0;
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50 }
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51 __EOF__
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52 rm -f "$TEMP_DIR/checkcc"
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53 $1 -o "$TEMP_DIR/checkcc" $CXXFLAGS $LDFLAGS "$TEMP_DIR/test.cpp" 2> /dev/null
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54 }
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55
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56 create_libtest_source()
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57 {
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58 # $1: filename
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59 # $2: optional include
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60 cat > "$TEMP_DIR/$1" << __EOF__
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61 /* libtest file */
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62 int main(int argc, char **argv) {
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63 return 0;
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64 }
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65 __EOF__
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66 if [ -n "$2" ]; then
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67 echo "#include <$2>" >> "$TEMP_DIR/$1"
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68 fi
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69 }
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71 check_c_lib()
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72 {
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73 # $1: libname
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74 # $2: optional include
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75 if [ -z "$TOOLCHAIN_CC" ]; then
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76 return 1
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77 fi
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78 create_libtest_source "test.c" "$2"
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79 rm -f "$TEMP_DIR/checklib"
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80 $TOOLCHAIN_CC -o "$TEMP_DIR/checklib" $CFLAGS $LDFLAGS "-l$1" "$TEMP_DIR/test.c" 2> /dev/null
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81 }
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82
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83 check_cpp_lib()
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84 {
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85 # $1: libname
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86 # $2: optional include
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87 if [ -z "$TOOLCHAIN_CXX" ]; then
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88 return 1
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89 fi
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90 create_libtest_source "test.cpp" "$2"
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91 rm -f "$TEMP_DIR/checklib"
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92 $TOOLCHAIN_CXX -o "$TEMP_DIR/checklib" $CXXFLAGS $LDFLAGS "-l$1" "$TEMP_DIR/test.cpp" 2> /dev/null
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93 }
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94
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95 check_lib()
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96 {
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97 # $1: libname
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98 # $2: optional include
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99 if [ -n "$TOOLCHAIN_CC" ]; then
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100 check_c_lib "$1" "$2"
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101 elif [ -n "$TOOLCHAIN_CXX" ]; then
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102 check_cpp_lib "$1" "$2"
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103 fi
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104 }
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105
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106 detect_c_compiler()
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107 {
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108 if [ -n "$TOOLCHAIN_CC" ]; then
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109 return 0
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110 fi
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111 printf "detect C compiler... "
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112 if [ -n "$CC" ]; then
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113 if check_c_compiler "$CC"; then
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114 TOOLCHAIN_CC=$CC
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115 TOOLCHAIN_NAME=`"$TEMP_DIR/checkcc"`
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116 echo "$CC"
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117 return 0
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118 else
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119 echo "$CC is not a working C compiler"
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120 return 1
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121 fi
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122 else
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123 for COMP in $C_COMPILERS
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124 do
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125 if check_c_compiler "$COMP"; then
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126 TOOLCHAIN_CC=$COMP
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127 TOOLCHAIN_NAME=`"$TEMP_DIR/checkcc"`
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128 echo "$COMP"
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129 return 0
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130 fi
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131 done
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132 echo "not found"
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133 return 1
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134 fi
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135 }
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136
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137 detect_cpp_compiler()
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138 {
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139 if [ -n "$TOOLCHAIN_CXX" ]; then
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140 return 0
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141 fi
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142 printf "detect C++ compiler... "
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143
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144 if [ -n "$CXX" ]; then
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145 if check_cpp_compiler "$CXX"; then
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146 TOOLCHAIN_CXX=$CXX
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147 TOOLCHAIN_NAME=`"$TEMP_DIR/checkcc"`
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148 echo "$CXX"
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149 return 0
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150 else
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151 echo "$CXX is not a working C++ compiler"
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152 return 1
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153 fi
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154 else
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155 for COMP in $CPP_COMPILERS
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156 do
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157 if check_cpp_compiler "$COMP"; then
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158 TOOLCHAIN_CXX=$COMP
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159 TOOLCHAIN_NAME=`"$TEMP_DIR/checkcc"`
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160 echo "$COMP"
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161 return 0
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162 fi
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163 done
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164 echo "${TOOLCHAIN_CXX:-"not found"}"
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165 return 1
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166 fi
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167 }
38
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168
66
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169 write_toolchain_defaults()
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170 {
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171 echo "# toolchain" >> "$1"
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172 if [ -n "$TOOLCHAIN_CC" ]; then
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173 echo "CC = ${TOOLCHAIN_CC}" >> "$1"
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174 fi
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175 if [ -n "$TOOLCHAIN_CXX" ]; then
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176 echo "CXX = ${TOOLCHAIN_CXX}" >> "$1"
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177 fi
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178 echo >> "$1"
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179 if [ -f "make/${TOOLCHAIN_NAME}.mk" ]; then
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180 cat "make/${TOOLCHAIN_NAME}.mk" >> "$1"
69
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181 elif [ -f "make/cc.mk" ]; then
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182 cat "make/cc.mk" >> "$1"
66
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183 else
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184 echo "!!! WARNING !!! Default toolchain flags not found. Configuration might be incomplete."
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185 fi
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186 }

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