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Re: How to test if I've got openpty?


From: Reuben Thomas
Subject: Re: How to test if I've got openpty?
Date: Thu, 31 Jan 2013 20:32:41 +0000

Once more with feeling. This time, slightly simplified code with the bogus "end" removed, and I've tested it, although only on GNU/Linux:

  if test $ac_cv_have_decl_openpty = yes; then
  ...
        [gl_cv_func_openpty_const=yes], [gl_cv_func_openpty_const=no])
      ])
  fi
  if test $gl_cv_func_openpty_const = yes; then
    HAVE_OPENPTY=1
  else
    dnl We need gnulib's openpty.
    dnl Prerequisites of lib/openpty.c in this case.
    AC_CHECK_FUNCS([_getpty posix_openpt], [HAVE_OPENPTY=1; REPLACE_OPENPTY=1],
      [HAVE_OPENPTY=0; REPLACE_OPENPTY=0])
  fi
  if test $HAVE_OPENPTY = 1; then
    AC_DEFINE([HAVE_OPENPTY], [1],
      [Define to 1 if the system has the 'openpty' function.])
  fi


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