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(jm_WINSIZE_IN_PTEM): Do not define

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WINSIZE_IN_PTEM if <termios.h> defines struct winsize.
This commit is contained in:
Jim Meyering
2001-11-17 07:13:12 +00:00
parent 9c8f7eb9b7
commit c322ce4c4f
1 changed files with 20 additions and 7 deletions
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27
m4/jm-winsz1.m4
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@@ -1,5 +1,5 @@
dnl From Jim Meyering.
#serial 4
#serial 5
dnl From Jim Meyering and Paul Eggert.
AC_DEFUN([jm_HEADER_TIOCGWINSZ_IN_TERMIOS_H],
[AC_REQUIRE([AM_SYS_POSIX_TERMIOS])
AC_CACHE_CHECK([whether use of TIOCGWINSZ requires termios.h],
@@ -19,8 +19,21 @@ AC_DEFUN([jm_HEADER_TIOCGWINSZ_IN_TERMIOS_H],
])
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.]))
]
)
[AC_REQUIRE([AM_SYS_POSIX_TERMIOS])
AC_CACHE_CHECK([whether use of struct winsize requires sys/ptem.h],
jm_cv_sys_struct_winsize_needs_sys_ptem_h,
[jm_cv_sys_struct_winsize_needs_sys_ptem_h=yes
if test $am_cv_sys_posix_termios = yes; then
AC_TRY_COMPILE([#include <termios.h>]
[struct winsize x;],
[jm_cv_sys_struct_winsize_needs_sys_ptem_h=no])
fi
if test $jm_cv_sys_struct_winsize_needs_sys_ptem_h = yes; then
AC_TRY_COMPILE([#include <sys/ptem.h>],
[struct winsize x;],
[], [jm_cv_sys_struct_winsize_needs_sys_ptem_h=no])
fi])
if test $jm_cv_sys_struct_winsize_needs_sys_ptem_h = yes; then
AC_DEFINE([WINSIZE_IN_PTEM], 1,
[Define if sys/ptem.h is required for struct winsize.])
fi])