dnl * do we have struct iovec

AC_DEFUN([DOVECOT_IOVEC], [

AC_MSG_CHECKING([for struct iovec])

AC_CACHE_VAL(i_cv_struct_iovec,

[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[

#include <sys/types.h>

#include <sys/uio.h>

#include <unistd.h>]],

[[struct iovec *iovec;]])],

[i_cv_struct_iovec=yes],

[i_cv_struct_iovec=no])])

if test $i_cv_struct_iovec = yes; then

AC_DEFINE(HAVE_STRUCT_IOVEC,, [Define if you have struct iovec])

fi

AC_MSG_RESULT($i_cv_struct_iovec)

])