m4/jm-winsz1.m4

   1 dnl From Jim Meyering.
   2 #serial 4
   3 AC_DEFUN([jm_HEADER_TIOCGWINSZ_IN_TERMIOS_H],
   4 [AC_REQUIRE([AM_SYS_POSIX_TERMIOS])
   5  AC_CACHE_CHECK([whether use of TIOCGWINSZ requires termios.h],
   6                 jm_cv_sys_tiocgwinsz_needs_termios_h,
   7   [jm_cv_sys_tiocgwinsz_needs_termios_h=no
   8
   9    if test $am_cv_sys_posix_termios = yes; then
  10      AC_EGREP_CPP([yes],
  11      [#include <sys/types.h>
  12 #      include <termios.h>
  13 #      ifdef TIOCGWINSZ
  14          yes
  15 #      endif
  16      ], jm_cv_sys_tiocgwinsz_needs_termios_h=yes)
  17    fi
  18   ])
  19 ])
  20
  21 AC_DEFUN([jm_WINSIZE_IN_PTEM],
  22   [AC_CHECK_HEADER([sys/ptem.h],
  23                    AC_DEFINE(WINSIZE_IN_PTEM, 1,
  24       [Define if your system defines `struct winsize' in sys/ptem.h.]))
  25   ]
  26 )