search_compiler()
{
        if [ -n "$CC" -o -n "$LD" ]; then
                if [ -z "$LD" ]; then
                        fatal "set LD as well"
                elif [ -z "$CC" ]; then
                        fatal "set CC as well"
                fi

                CC="`$WHICH $CC`"
                LD="`$WHICH $LD`"

                return
        fi

        for c in $1; do
                CC="`$WHICH $c`"
                if [ -n "$CC" ]; then
                        break;
                fi
        done
        if ! [ -x "$CC" ]; then
                error "no C compiler found, magic script failed"
                error "please set CC and LD to a working C compiler and linker"
                exit 1
        fi

        # We want the linker from the same directory. It is unlikely that
        # it is incompatible with $CC on a system with multiple linkers
        CCPREFIX="`$DIRNAME "$CC"`"
        if [ -x "$CCPREFIX/ld" ]; then
                LD=$CCPREFIX/ld
                return
        fi

        LD="`$WHICH ld`"
        if [ -x "$LD" ]; then
                warning "found linker ld in a different directory than the C compiler"
        else
                error "no linker found, magic script failed"
                error "please set LD and CC to a working linker and C compiler"
                exit 1
        fi
}