2 dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc.
3 dnl This file is free software, distributed under the terms of the GNU
4 dnl General Public License. As a special exception to the GNU General
5 dnl Public License, this file may be distributed as part of a program
6 dnl that contains a configuration script generated by Autoconf, under
7 dnl the same distribution terms as the rest of that program.
9 # Check for the external symbol, _system_configuration,
10 # a struct with member `physmem'.
11 AC_DEFUN([gl_SYS__SYSTEM_CONFIGURATION],
12 [AC_CACHE_CHECK(for external symbol _system_configuration,
13 gl_cv_var__system_configuration,
14 [AC_LINK_IFELSE([AC_LANG_PROGRAM(
15 [[#include <sys/systemcfg.h>
17 [double x = _system_configuration.physmem;])],
18 [gl_cv_var__system_configuration=yes],
19 [gl_cv_var__system_configuration=no])])
21 if test $gl_cv_var__system_configuration = yes; then
22 AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1,
23 [Define to 1 if you have the external variable,
24 _system_configuration with a member named physmem.])
29 AC_DEFUN([gl_PHYSMEM],
31 # Prerequisites of lib/physmem.c.
32 AC_CHECK_HEADERS_ONCE(unistd.h)
33 AC_CHECK_HEADERS([sys/pstat.h sys/sysmp.h sys/sysinfo.h \
34 machine/hal_sysinfo.h sys/table.h sys/param.h sys/sysctl.h \
35 sys/systemcfg.h],,, [AC_INCLUDES_DEFAULT])
37 AC_CHECK_FUNCS(pstat_getstatic pstat_getdynamic sysmp getsysinfo sysctl table)
38 AC_REQUIRE([gl_SYS__SYSTEM_CONFIGURATION])