+2021-01-17 Bruno Haible <bruno@clisp.org>
+
+ immutable, get-rusage-data: Fix autoconf warning.
+ * m4/mmap-anon.m4 (gl_FUNC_MMAP_ANON): Define through AC_DEFUN_ONCE.
+
2021-01-16 Bruno Haible <bruno@clisp.org>
vma-iter: Port to 64-bit Haiku.
-# mmap-anon.m4 serial 11
+# mmap-anon.m4 serial 12
dnl Copyright (C) 2005, 2007, 2009-2021 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
# - On IRIX, neither exists, and a file descriptor opened to /dev/zero must be
# used.
-AC_DEFUN([gl_FUNC_MMAP_ANON],
+AC_DEFUN_ONCE([gl_FUNC_MMAP_ANON],
[
dnl Persuade glibc <sys/mman.h> to define MAP_ANONYMOUS.
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])