-# pagealign_alloc.m4 serial 1
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
+#serial 6
+dnl Copyright (C) 2005-2007, 2009-2014 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.
AC_DEFUN([gl_PAGEALIGN_ALLOC],
[
dnl Persuade glibc <sys/mman.h> to define MAP_ANONYMOUS.
- AC_REQUIRE([AC_GNU_SOURCE])
+ AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
- AC_LIBSOURCE([pagealign_alloc.h])
- AC_LIBOBJ([pagealign_alloc])
gl_PREREQ_PAGEALIGN_ALLOC
])
# Prerequisites of lib/pagealign_alloc.c.
AC_DEFUN([gl_PREREQ_PAGEALIGN_ALLOC],
[
- AC_REQUIRE([gl_FUNC_MMAP])
- AC_REQUIRE([gl_GETPAGESIZE])
+ AC_REQUIRE([gl_FUNC_MMAP_ANON])
AC_CHECK_FUNCS_ONCE([posix_memalign])
- AC_CHECK_HEADERS_ONCE([fcntl.h unistd.h])
+ AC_CHECK_HEADERS_ONCE([unistd.h])
])