view m4/pagealign_alloc.m4 @ 15009:2917eb19f982

truncl: Move AC_LIBOBJ invocations to module description. * m4/truncl.m4 (gl_FUNC_TRUNCL): Move AC_LIBOBJ invocation from here... * modules/truncl (configure.ac): ... to here.
author Bruno Haible <bruno@clisp.org>
date Sat, 21 May 2011 11:32:55 +0200
parents 97fc9a21a8fb
children 861d1dfbf37b
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#serial 5
dnl Copyright (C) 2005-2007, 2009-2011 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 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_USE_SYSTEM_EXTENSIONS])

  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_ANON])
  AC_CHECK_FUNCS_ONCE([posix_memalign])
  AC_CHECK_HEADERS_ONCE([unistd.h])
])