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dnl From Jim Meyering.
#serial 4
AC_DEFUN([jm_HEADER_TIOCGWINSZ_IN_TERMIOS_H],
[AC_REQUIRE([AM_SYS_POSIX_TERMIOS])
AC_CACHE_CHECK([whether use of TIOCGWINSZ requires termios.h],
jm_cv_sys_tiocgwinsz_needs_termios_h,
[jm_cv_sys_tiocgwinsz_needs_termios_h=no
if test $am_cv_sys_posix_termios = yes; then
AC_EGREP_CPP([yes],
[#include <sys/types.h>
# include <termios.h>
# ifdef TIOCGWINSZ
yes
# endif
], jm_cv_sys_tiocgwinsz_needs_termios_h=yes)
fi
])
])
AC_DEFUN([jm_WINSIZE_IN_PTEM],
[AC_CHECK_HEADER([sys/ptem.h],
AC_DEFINE(WINSIZE_IN_PTEM, 1,
[Define if your system defines `struct winsize' in sys/ptem.h.]))
]
)
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