Probe for fdatasync()

    need_offsetof=no

fi

##########################################

# check if we have fdatasync

fdatasync=no

cat > $TMPC << EOF

#include <unistd.h>

int main(void) { return fdatasync(0); }

EOF

if compile_prog "" "" ; then

    fdatasync=yes

fi

# End of CC checks

# After here, no more $cc or $ld runs

echo "KVM support       $kvm"

echo "fdt support       $fdt"

echo "preadv support    $preadv"

echo "fdatasync         $fdatasync"

if test $sdl_too_old = "yes"; then

echo "-> Your SDL version is too old - please upgrade to have SDL support"

if test "$need_offsetof" = "yes" ; then

  echo "CONFIG_NEED_OFFSETOF=y" >> $config_host_mak

fi

if test "$fdatasync" = "yes" ; then

  echo "CONFIG_FDATASYNC=y" >> $config_host_mak

fi

# XXX: suppress that

if [ "$bsd" = "yes" ] ; then

 */

int qemu_fdatasync(int fd)

{

#ifdef _POSIX_SYNCHRONIZED_IO

#ifdef CONFIG_FDATASYNC

    return fdatasync(fd);

#else

    return fsync(fd);