intl: Remove obsolete code.

* gettext-runtime/intl/plural.y: Assume bison >= 2.0.

diff --git a/gettext-runtime/intl/plural.y b/gettext-runtime/intl/plural.y
index 3ad7c900e122e0400357acd7f8332dc5714e95b9..a712255af4f2f739c93336d4ff6556d932a426a5 100644 (file)
--- a/gettext-runtime/intl/plural.y
+++ b/gettext-runtime/intl/plural.y
@@ -1,6 +1,6 @@
 %{
 /* Expression parsing for plural form selection.
-   Copyright (C) 2000-2016 Free Software Foundation, Inc.
+   Copyright (C) 2000-2019 Free Software Foundation, Inc.
    Written by Ulrich Drepper <drepper@cygnus.com>, 2000.
 
    This program is free software: you can redistribute it and/or modify
@@ -16,15 +16,6 @@
    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
-/* For bison < 2.0, the bison generated parser uses alloca.  AIX 3 forces us
-   to put this declaration at the beginning of the file.  The declaration in
-   bison's skeleton file comes too late.  This must come before <config.h>
-   because <config.h> may include arbitrary system headers.
-   This can go away once the AM_INTL_SUBDIR macro requires bison >= 2.0.  */
-#if defined _AIX && !defined __GNUC__
- #pragma alloca
-#endif
-
 #ifdef HAVE_CONFIG_H
 # include <config.h>
 #endif