dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This ifdef is just an optimization, to avoid performing a configure
dnl check whose result is not used. It does not make the test of
dnl GNULIB_UNISTD_H_NONBLOCKING or GNULIB_NONBLOCKING redundant.
dnl This ifdef is just an optimization, to avoid performing a configure
dnl check whose result is not used. It does not make the test of
dnl GNULIB_UNISTD_H_NONBLOCKING or GNULIB_NONBLOCKING redundant.