1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/make/toolchain.sh Thu Oct 12 00:00:35 2023 +0200
1.3 @@ -0,0 +1,186 @@
1.4 +#!/bin/sh
1.5 +#
1.6 +# toolchain detection
1.7 +#
1.8 +
1.9 +C_COMPILERS="gcc clang suncc cc"
1.10 +CPP_COMPILERS="g++ clang++ sunCC CC"
1.11 +unset TOOLCHAIN_NAME
1.12 +unset TOOLCHAIN_CC
1.13 +unset TOOLCHAIN_CXX
1.14 +
1.15 +check_c_compiler()
1.16 +{
1.17 + cat > "$TEMP_DIR/test.c" << __EOF__
1.18 +/* test file */
1.19 +#include <stdio.h>
1.20 +int main(int argc, char **argv) {
1.21 +#if defined(__clang__)
1.22 + printf("clang\n");
1.23 +#elif defined(__GNUC__)
1.24 + printf("gcc\n");
1.25 +#elif defined(__sun)
1.26 + printf("suncc\n");
1.27 +#else
1.28 + printf("unknown\n");
1.29 +#endif
1.30 + return 0;
1.31 +}
1.32 +__EOF__
1.33 + rm -f "$TEMP_DIR/checkcc"
1.34 + $1 -o "$TEMP_DIR/checkcc" $CFLAGS $LDFLAGS "$TEMP_DIR/test.c" 2> /dev/null
1.35 +}
1.36 +
1.37 +check_cpp_compiler()
1.38 +{
1.39 + cat > "$TEMP_DIR/test.cpp" << __EOF__
1.40 +/* test file */
1.41 +#include <iostream>
1.42 +int main(int argc, char **argv) {
1.43 +#if defined(__clang__)
1.44 + std::cout << "clang" << std::endl;
1.45 +#elif defined(__GNUC__)
1.46 + std::cout << "gcc" << std::endl;
1.47 +#elif defined(__sun)
1.48 + std::cout << "suncc" << std::endl;
1.49 +#else
1.50 + std::cout << "cc" << std::endl;
1.51 +#endif
1.52 + return 0;
1.53 +}
1.54 +__EOF__
1.55 + rm -f "$TEMP_DIR/checkcc"
1.56 + $1 -o "$TEMP_DIR/checkcc" $CXXFLAGS $LDFLAGS "$TEMP_DIR/test.cpp" 2> /dev/null
1.57 +}
1.58 +
1.59 +create_libtest_source()
1.60 +{
1.61 + # $1: filename
1.62 + # $2: optional include
1.63 + cat > "$TEMP_DIR/$1" << __EOF__
1.64 +/* libtest file */
1.65 +int main(int argc, char **argv) {
1.66 + return 0;
1.67 +}
1.68 +__EOF__
1.69 + if [ -n "$2" ]; then
1.70 + echo "#include <$2>" >> "$TEMP_DIR/$1"
1.71 + fi
1.72 +}
1.73 +
1.74 +check_c_lib()
1.75 +{
1.76 + # $1: libname
1.77 + # $2: optional include
1.78 + if [ -z "$TOOLCHAIN_CC" ]; then
1.79 + return 1
1.80 + fi
1.81 + create_libtest_source "test.c" "$2"
1.82 + rm -f "$TEMP_DIR/checklib"
1.83 + $TOOLCHAIN_CC -o "$TEMP_DIR/checklib" $CFLAGS $LDFLAGS "-l$1" "$TEMP_DIR/test.c" 2> /dev/null
1.84 +}
1.85 +
1.86 +check_cpp_lib()
1.87 +{
1.88 + # $1: libname
1.89 + # $2: optional include
1.90 + if [ -z "$TOOLCHAIN_CXX" ]; then
1.91 + return 1
1.92 + fi
1.93 + create_libtest_source "test.cpp" "$2"
1.94 + rm -f "$TEMP_DIR/checklib"
1.95 + $TOOLCHAIN_CXX -o "$TEMP_DIR/checklib" $CXXFLAGS $LDFLAGS "-l$1" "$TEMP_DIR/test.cpp" 2> /dev/null
1.96 +}
1.97 +
1.98 +check_lib()
1.99 +{
1.100 + # $1: libname
1.101 + # $2: optional include
1.102 + if [ -n "$TOOLCHAIN_CC" ]; then
1.103 + check_c_lib "$1" "$2"
1.104 + elif [ -n "$TOOLCHAIN_CXX" ]; then
1.105 + check_cpp_lib "$1" "$2"
1.106 + fi
1.107 +}
1.108 +
1.109 +detect_c_compiler()
1.110 +{
1.111 + if [ -n "$TOOLCHAIN_CC" ]; then
1.112 + return 0
1.113 + fi
1.114 + printf "detect C compiler... "
1.115 + if [ -n "$CC" ]; then
1.116 + if check_c_compiler "$CC"; then
1.117 + TOOLCHAIN_CC=$CC
1.118 + TOOLCHAIN_NAME=`"$TEMP_DIR/checkcc"`
1.119 + echo "$CC"
1.120 + return 0
1.121 + else
1.122 + echo "$CC is not a working C compiler"
1.123 + return 1
1.124 + fi
1.125 + else
1.126 + for COMP in $C_COMPILERS
1.127 + do
1.128 + if check_c_compiler "$COMP"; then
1.129 + TOOLCHAIN_CC=$COMP
1.130 + TOOLCHAIN_NAME=`"$TEMP_DIR/checkcc"`
1.131 + echo "$COMP"
1.132 + return 0
1.133 + fi
1.134 + done
1.135 + echo "not found"
1.136 + return 1
1.137 + fi
1.138 +}
1.139 +
1.140 +detect_cpp_compiler()
1.141 +{
1.142 + if [ -n "$TOOLCHAIN_CXX" ]; then
1.143 + return 0
1.144 + fi
1.145 + printf "detect C++ compiler... "
1.146 +
1.147 + if [ -n "$CXX" ]; then
1.148 + if check_cpp_compiler "$CXX"; then
1.149 + TOOLCHAIN_CXX=$CXX
1.150 + TOOLCHAIN_NAME=`"$TEMP_DIR/checkcc"`
1.151 + echo "$CXX"
1.152 + return 0
1.153 + else
1.154 + echo "$CXX is not a working C++ compiler"
1.155 + return 1
1.156 + fi
1.157 + else
1.158 + for COMP in $CPP_COMPILERS
1.159 + do
1.160 + if check_cpp_compiler "$COMP"; then
1.161 + TOOLCHAIN_CXX=$COMP
1.162 + TOOLCHAIN_NAME=`"$TEMP_DIR/checkcc"`
1.163 + echo "$COMP"
1.164 + return 0
1.165 + fi
1.166 + done
1.167 + echo "${TOOLCHAIN_CXX:-"not found"}"
1.168 + return 1
1.169 + fi
1.170 +}
1.171 +
1.172 +write_toolchain_defaults()
1.173 +{
1.174 + echo "# toolchain" >> "$1"
1.175 + if [ -n "$TOOLCHAIN_CC" ]; then
1.176 + echo "CC = ${TOOLCHAIN_CC}" >> "$1"
1.177 + fi
1.178 + if [ -n "$TOOLCHAIN_CXX" ]; then
1.179 + echo "CXX = ${TOOLCHAIN_CXX}" >> "$1"
1.180 + fi
1.181 + echo >> "$1"
1.182 + if [ -f "make/${TOOLCHAIN_NAME}.mk" ]; then
1.183 + cat "make/${TOOLCHAIN_NAME}.mk" >> "$1"
1.184 + elif [ -f "make/cc.mk" ]; then
1.185 + cat "make/cc.mk" >> "$1"
1.186 + else
1.187 + echo "!!! WARNING !!! Default toolchain flags not found. Configuration might be incomplete."
1.188 + fi
1.189 +}
