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40 lines
1.3 KiB
Plaintext
40 lines
1.3 KiB
Plaintext
#serial 6
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dnl From Jim Meyering and Paul Eggert.
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AC_DEFUN([jm_HEADER_TIOCGWINSZ_IN_TERMIOS_H],
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[AC_REQUIRE([AC_SYS_POSIX_TERMIOS])
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AC_CACHE_CHECK([whether use of TIOCGWINSZ requires termios.h],
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jm_cv_sys_tiocgwinsz_needs_termios_h,
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[jm_cv_sys_tiocgwinsz_needs_termios_h=no
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if test $ac_cv_sys_posix_termios = yes; then
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AC_EGREP_CPP([yes],
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[#include <sys/types.h>
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# include <termios.h>
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# ifdef TIOCGWINSZ
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yes
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# endif
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], jm_cv_sys_tiocgwinsz_needs_termios_h=yes)
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fi
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])
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])
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AC_DEFUN([jm_WINSIZE_IN_PTEM],
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[AC_REQUIRE([AC_SYS_POSIX_TERMIOS])
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AC_CACHE_CHECK([whether use of struct winsize requires sys/ptem.h],
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jm_cv_sys_struct_winsize_needs_sys_ptem_h,
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[jm_cv_sys_struct_winsize_needs_sys_ptem_h=yes
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if test $ac_cv_sys_posix_termios = yes; then
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AC_TRY_COMPILE([#include <termios.h>]
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[struct winsize x;],
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[jm_cv_sys_struct_winsize_needs_sys_ptem_h=no])
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fi
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if test $jm_cv_sys_struct_winsize_needs_sys_ptem_h = yes; then
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AC_TRY_COMPILE([#include <sys/ptem.h>],
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[struct winsize x;],
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[], [jm_cv_sys_struct_winsize_needs_sys_ptem_h=no])
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fi])
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if test $jm_cv_sys_struct_winsize_needs_sys_ptem_h = yes; then
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AC_DEFINE([WINSIZE_IN_PTEM], 1,
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[Define if sys/ptem.h is required for struct winsize.])
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fi])
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