+
+ # special check for _system_configuration because AIX <4.3.2 do not
+ # contain the `physmem' member.
+ echo $ac_n "checking for external symbol _system_configuration""... $ac_c" 1>&6
+echo "configure:2765: checking for external symbol _system_configuration" >&5
+ cat > conftest.$ac_ext <<EOF
+#line 2767 "configure"
+#include "confdefs.h"
+#include <sys/systemcfg.h>
+int main() {
+double x = _system_configuration.physmem;
+; return 0; }
+EOF
+if { (eval echo configure:2774: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ echo "$ac_t""yes" 1>&6
+ cat >> confdefs.h <<\EOF
+#define HAVE__SYSTEM_CONFIGURATION 1
+EOF
+
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ echo "$ac_t""no" 1>&6
+fi
+rm -f conftest*
+