/usr/share/aclocal-1.4/termios.m4 is in automake1.4 1:1.4-p6-13.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | dnl From Jim Meyering.
# serial 1
AC_DEFUN([AM_SYS_POSIX_TERMIOS],
[AC_CACHE_CHECK([POSIX termios], am_cv_sys_posix_termios,
[AC_TRY_LINK([#include <sys/types.h>
#include <unistd.h>
#include <termios.h>],
[/* SunOS 4.0.3 has termios.h but not the library calls. */
tcgetattr(0, 0);],
am_cv_sys_posix_termios=yes,
am_cv_sys_posix_termios=no)])
])
|