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##*****************************************************************************
# $Id$
##*****************************************************************************
# AUTHOR:
# Moe Jette <jette@llnl.gov>
#
# SYNOPSIS:
# X_AC__SYSTEM_CONFIGURATION
#
# DESCRIPTION:
# Tests for existence of the _system_configuration structure.
#
# WARNINGS:
# This macro must be placed after AC_PROG_CC or equivalent.
##*****************************************************************************
AC_DEFUN([X_AC__SYSTEM_CONFIGURATION], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/systemcfg.h>]], [[double x = _system_configuration.physmem;]])],[AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1,
[Define to 1 if you have the external variable,
_system_configuration with a member named physmem.])],[])
])
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