found=0

echo 'Checking for uint64_t'

    echo '#include <sys/types.h>' > autotest.c
    echo 'int main() { uint64_t i = 0; return 0; }' >> autotest.c

    eval "${CC} -o autotest autotest.c > /dev/null 2>&1"

    if [ -x autotest ]; then
        echo ' + uint64_t found'
        found=1
    else
        echo ' + uint64_t not found'
    fi

    rm autotest*


if [ $found = 0 ]; then

    echo '#include <sys/types.h>' > autotest.c
    echo 'int main() { u_int64_t i = 0; return 0; }' >> autotest.c

    eval "${CC} -o autotest autotest.c > /dev/null 2>&1"

    if [ -x autotest ]; then
        echo ' + u_int64_t used'
        type='typedef u_int64_t  uint64_t;'
        found=2
    else
        echo ' + u_int64_t not found'
    fi

    rm autotest*

fi


if [ $found = 0 ]; then
    echo "$0: error: uint64_t not found"
    exit 1
fi


if [ $found = 2 ]; then
    echo $type >> ngx_auto_config.h
    echo >> ngx_auto_config.h
fi