comparison: make/toolchain.sh
make/toolchain.sh
- changeset 72
- b533da8e7411
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| 71:d5af9261231d | 72:b533da8e7411 |
|---|---|
| 1 #!/bin/sh | |
| 2 # | |
| 3 # toolchain detection | |
| 4 # | |
| 5 | |
| 6 C_COMPILERS="gcc clang suncc cc" | |
| 7 CPP_COMPILERS="g++ clang++ sunCC CC" | |
| 8 unset TOOLCHAIN_NAME | |
| 9 unset TOOLCHAIN_CC | |
| 10 unset TOOLCHAIN_CXX | |
| 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 | |
| 34 check_cpp_compiler() | |
| 35 { | |
| 36 cat > "$TEMP_DIR/test.cpp" << __EOF__ | |
| 37 /* test file */ | |
| 38 #include <iostream> | |
| 39 int main(int argc, char **argv) { | |
| 40 #if defined(__clang__) | |
| 41 std::cout << "clang" << std::endl; | |
| 42 #elif defined(__GNUC__) | |
| 43 std::cout << "gcc" << std::endl; | |
| 44 #elif defined(__sun) | |
| 45 std::cout << "suncc" << std::endl; | |
| 46 #else | |
| 47 std::cout << "cc" << std::endl; | |
| 48 #endif | |
| 49 return 0; | |
| 50 } | |
| 51 __EOF__ | |
| 52 rm -f "$TEMP_DIR/checkcc" | |
| 53 $1 -o "$TEMP_DIR/checkcc" $CXXFLAGS $LDFLAGS "$TEMP_DIR/test.cpp" 2> /dev/null | |
| 54 } | |
| 55 | |
| 56 create_libtest_source() | |
| 57 { | |
| 58 # $1: filename | |
| 59 # $2: optional include | |
| 60 cat > "$TEMP_DIR/$1" << __EOF__ | |
| 61 /* libtest file */ | |
| 62 int main(int argc, char **argv) { | |
| 63 return 0; | |
| 64 } | |
| 65 __EOF__ | |
| 66 if [ -n "$2" ]; then | |
| 67 echo "#include <$2>" >> "$TEMP_DIR/$1" | |
| 68 fi | |
| 69 } | |
| 70 | |
| 71 check_c_lib() | |
| 72 { | |
| 73 # $1: libname | |
| 74 # $2: optional include | |
| 75 if [ -z "$TOOLCHAIN_CC" ]; then | |
| 76 return 1 | |
| 77 fi | |
| 78 create_libtest_source "test.c" "$2" | |
| 79 rm -f "$TEMP_DIR/checklib" | |
| 80 $TOOLCHAIN_CC -o "$TEMP_DIR/checklib" $CFLAGS $LDFLAGS "-l$1" "$TEMP_DIR/test.c" 2> /dev/null | |
| 81 } | |
| 82 | |
| 83 check_cpp_lib() | |
| 84 { | |
| 85 # $1: libname | |
| 86 # $2: optional include | |
| 87 if [ -z "$TOOLCHAIN_CXX" ]; then | |
| 88 return 1 | |
| 89 fi | |
| 90 create_libtest_source "test.cpp" "$2" | |
| 91 rm -f "$TEMP_DIR/checklib" | |
| 92 $TOOLCHAIN_CXX -o "$TEMP_DIR/checklib" $CXXFLAGS $LDFLAGS "-l$1" "$TEMP_DIR/test.cpp" 2> /dev/null | |
| 93 } | |
| 94 | |
| 95 check_lib() | |
| 96 { | |
| 97 # $1: libname | |
| 98 # $2: optional include | |
| 99 if [ -n "$TOOLCHAIN_CC" ]; then | |
| 100 check_c_lib "$1" "$2" | |
| 101 elif [ -n "$TOOLCHAIN_CXX" ]; then | |
| 102 check_cpp_lib "$1" "$2" | |
| 103 fi | |
| 104 } | |
| 105 | |
| 106 detect_c_compiler() | |
| 107 { | |
| 108 if [ -n "$TOOLCHAIN_CC" ]; then | |
| 109 return 0 | |
| 110 fi | |
| 111 printf "detect C compiler... " | |
| 112 if [ -n "$CC" ]; then | |
| 113 if check_c_compiler "$CC"; then | |
| 114 TOOLCHAIN_CC=$CC | |
| 115 TOOLCHAIN_NAME=`"$TEMP_DIR/checkcc"` | |
| 116 echo "$CC" | |
| 117 return 0 | |
| 118 else | |
| 119 echo "$CC is not a working C compiler" | |
| 120 return 1 | |
| 121 fi | |
| 122 else | |
| 123 for COMP in $C_COMPILERS | |
| 124 do | |
| 125 if check_c_compiler "$COMP"; then | |
| 126 TOOLCHAIN_CC=$COMP | |
| 127 TOOLCHAIN_NAME=`"$TEMP_DIR/checkcc"` | |
| 128 echo "$COMP" | |
| 129 return 0 | |
| 130 fi | |
| 131 done | |
| 132 echo "not found" | |
| 133 return 1 | |
| 134 fi | |
| 135 } | |
| 136 | |
| 137 detect_cpp_compiler() | |
| 138 { | |
| 139 if [ -n "$TOOLCHAIN_CXX" ]; then | |
| 140 return 0 | |
| 141 fi | |
| 142 printf "detect C++ compiler... " | |
| 143 | |
| 144 if [ -n "$CXX" ]; then | |
| 145 if check_cpp_compiler "$CXX"; then | |
| 146 TOOLCHAIN_CXX=$CXX | |
| 147 TOOLCHAIN_NAME=`"$TEMP_DIR/checkcc"` | |
| 148 echo "$CXX" | |
| 149 return 0 | |
| 150 else | |
| 151 echo "$CXX is not a working C++ compiler" | |
| 152 return 1 | |
| 153 fi | |
| 154 else | |
| 155 for COMP in $CPP_COMPILERS | |
| 156 do | |
| 157 if check_cpp_compiler "$COMP"; then | |
| 158 TOOLCHAIN_CXX=$COMP | |
| 159 TOOLCHAIN_NAME=`"$TEMP_DIR/checkcc"` | |
| 160 echo "$COMP" | |
| 161 return 0 | |
| 162 fi | |
| 163 done | |
| 164 echo "${TOOLCHAIN_CXX:-"not found"}" | |
| 165 return 1 | |
| 166 fi | |
| 167 } | |
| 168 | |
| 169 write_toolchain_defaults() | |
| 170 { | |
| 171 echo "# toolchain" >> "$1" | |
| 172 if [ -n "$TOOLCHAIN_CC" ]; then | |
| 173 echo "CC = ${TOOLCHAIN_CC}" >> "$1" | |
| 174 fi | |
| 175 if [ -n "$TOOLCHAIN_CXX" ]; then | |
| 176 echo "CXX = ${TOOLCHAIN_CXX}" >> "$1" | |
| 177 fi | |
| 178 echo >> "$1" | |
| 179 if [ -f "make/${TOOLCHAIN_NAME}.mk" ]; then | |
| 180 cat "make/${TOOLCHAIN_NAME}.mk" >> "$1" | |
| 181 elif [ -f "make/cc.mk" ]; then | |
| 182 cat "make/cc.mk" >> "$1" | |
| 183 else | |
| 184 echo "!!! WARNING !!! Default toolchain flags not found. Configuration might be incomplete." | |
| 185 fi | |
| 186 } |
