-# pty_h.m4 serial 2
+# pty_h.m4 serial 9
dnl Copyright (C) 2009, 2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
-# gl_PTY
-# ------
-# Make sure that pty.h provides forkpty, or sets up a replacement header.
-# Also define automake variable PTY_LIB to the library needed (if any).
-AC_DEFUN_ONCE([gl_PTY],
+# gl_PTY_H
+# --------
+# Set up the GNU-like <pty.h> replacement header.
+AC_DEFUN_ONCE([gl_PTY_H],
[
AC_REQUIRE([gl_PTY_H_DEFAULTS])
- PTY_LIB=''
- # First make sure that pty.h provides forkpty, or setup the replacement.
+ # Make sure that pty.h provides forkpty, or setup the replacement.
AC_CHECK_HEADERS_ONCE([pty.h])
if test $ac_cv_header_pty_h != yes; then
HAVE_PTY_H=0
if test $ac_cv_header_libutil_h = yes; then
HAVE_LIBUTIL_H=1
fi
- AC_CHECK_DECLS([forkpty],,, [[
-#if HAVE_UTIL_H
-# include <util.h>
-#endif
-#if HAVE_LIBUTIL_H
-# include <libutil.h>
-#endif
-]])
- if test $ac_cv_have_decl_forkpty = no; then
- AC_MSG_WARN([[Cannot find forkpty, build will likely fail]])
- fi
else # Have <pty.h>, assume forkpty is declared there.
HAVE_PTY_H=1
fi
dnl <pty.h> is always overridden, because of GNULIB_POSIXCHECK.
gl_CHECK_NEXT_HEADERS([pty.h])
- # Second check for the library required for forkpty.
- save_LIBS="$LIBS"
- AC_SEARCH_LIBS([forkpty], [util],
- [if test "$ac_cv_search_forkpty" != "none required"; then
- PTY_LIB="$ac_cv_search_forkpty"
- fi])
- LIBS="$save_LIBS"
- AC_SUBST([PTY_LIB])
-
dnl Check for declarations of anything we want to poison if the
dnl corresponding gnulib module is not in use.
gl_WARN_ON_USE_PREPARE([[
[
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
AC_REQUIRE([gl_PTY_H_DEFAULTS])
- GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+ gl_MODULE_INDICATOR_SET_VARIABLE([$1])
+ dnl Define it also as a C macro, for the benefit of the unit tests.
+ gl_MODULE_INDICATOR_FOR_TESTS([$1])
])
AC_DEFUN([gl_PTY_H_DEFAULTS],
[
+ GNULIB_FORKPTY=0; AC_SUBST([GNULIB_FORKPTY])
+ GNULIB_OPENPTY=0; AC_SUBST([GNULIB_OPENPTY])
dnl Assume proper GNU behavior unless another module says otherwise.
HAVE_UTIL_H=0; AC_SUBST([HAVE_UTIL_H])
HAVE_LIBUTIL_H=0; AC_SUBST([HAVE_LIBUTIL_H])
+ HAVE_FORKPTY=1; AC_SUBST([HAVE_FORKPTY])
+ HAVE_OPENPTY=1; AC_SUBST([HAVE_OPENPTY])
+ REPLACE_FORKPTY=0; AC_SUBST([REPLACE_FORKPTY])
+ REPLACE_OPENPTY=0; AC_SUBST([REPLACE_OPENPTY])
])