-# tcgetsid.m4 serial 2
+# tcgetsid.m4 serial 4
dnl Copyright (C) 2010-2011 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 Persuade glibc <termios.h> to declare tcgetsid().
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
- AC_CHECK_DECLS_ONCE([tcgetsid])
+ AC_CHECK_DECLS([tcgetsid], , , [[#include <termios.h>]])
if test $ac_cv_have_decl_tcgetsid = no; then
HAVE_DECL_TCGETSID=0
fi
AC_CHECK_FUNCS([tcgetsid])
- if test $ac_cv_func_tcgetsid = no; then
- AC_LIBOBJ([tcgetsid])
- gl_PREREQ_TCGETSID
+ if test $ac_cv_func_tcgetsid = yes; then
+ HAVE_TCGETSID=1
+ else
+ HAVE_TCGETSID=0
fi
])