termios.m4

来自「LINUX下的源码工具,可自己分析,或者直接装在系统上作为应用」· M4 代码 · 共 15 行

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)])
])