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