| # pagealign_alloc.m4 | |
| # serial 7 | |
| dnl Copyright (C) 2005-2007, 2009-2026 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. | |
| dnl This file is offered as-is, without any warranty. | |
| AC_DEFUN([gl_PAGEALIGN_ALLOC], | |
| [ | |
| dnl Persuade glibc <sys/mman.h> to define MAP_ANONYMOUS. | |
| AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) | |
| gl_PREREQ_PAGEALIGN_ALLOC | |
| ]) | |
| # Prerequisites of lib/pagealign_alloc.c. | |
| AC_DEFUN([gl_PREREQ_PAGEALIGN_ALLOC], | |
| [ | |
| AC_REQUIRE([gl_FUNC_MMAP_ANON]) | |
| gl_CHECK_FUNCS_ANDROID([posix_memalign], [[#include <stdlib.h>]]) | |
| AC_CHECK_HEADERS_ONCE([unistd.h]) | |
| ]) |