+2012-08-17 Jan Beich <jbeich@tormail.org> (tiny change)
+
+ * configure.ac (PTY_OPEN): Try posix_openpt on gnu-linux,
+ gnu-kfreebsd, freebsd, and netbsd. (Bug#12040)
+
2012-08-14 Paul Eggert <eggert@cs.ucla.edu>
Merge from gnulib, incorporating:
AC_CHECK_FUNCS(grantpt)
# PTY-related GNU extensions.
-AC_CHECK_FUNCS(getpt)
+AC_CHECK_FUNCS(getpt posix_openpt)
# Check this now, so that we will NOT find the above functions in ncurses.
# That is because we have not set up to link ncurses in lib-src.
AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
;;
+ dnl FIXME? Maybe use same as freebsd - see bug#12040.
darwin )
AC_DEFINE(PTY_ITERATION, [int i; for (i = 0; i < 1; i++)])
dnl Not used, because PTY_ITERATION is defined.
AC_DEFINE(PTY_TTY_NAME_SPRINTF, [])
;;
- gnu | freebsd | netbsd | openbsd )
+ gnu | openbsd )
AC_DEFINE(FIRST_PTY_LETTER, ['p'])
;;
- gnu-linux | gnu-kfreebsd )
+ gnu-linux | gnu-kfreebsd | freebsd | netbsd )
dnl if HAVE_GRANTPT
if test "x$ac_cv_func_grantpt" = xyes; then
AC_DEFINE(UNIX98_PTYS, 1, [Define if the system has Unix98 PTYs.])
dnl Note that grantpt and unlockpt may fork. We must block SIGCHLD
dnl to prevent sigchld_handler from intercepting the child's death.
AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptyname; sigblock (sigmask (SIGCHLD)); if (grantpt (fd) == -1 || unlockpt (fd) == -1 || !(ptyname = ptsname(fd))) { sigunblock (sigmask (SIGCHLD)); close (fd); return -1; } snprintf (pty_name, sizeof pty_name, "%s", ptyname); sigunblock (sigmask (SIGCHLD)); }])
+ dnl if HAVE_POSIX_OPENPT
+ if test "x$ac_cv_func_posix_openpt" = xyes; then
+ AC_DEFINE(PTY_OPEN, [fd = posix_openpt (O_RDWR | O_NOCTTY)])
+ AC_DEFINE(PTY_NAME_SPRINTF, [] )
dnl if HAVE_GETPT
- if test "x$ac_cv_func_getpt" = xyes; then
+ elif test "x$ac_cv_func_getpt" = xyes; then
AC_DEFINE(PTY_OPEN, [fd = getpt ()])
AC_DEFINE(PTY_NAME_SPRINTF, [])
else