Add info about OpenBSD.

[gnulib.git] / m4 / physmem.m4

diff --git a/m4/physmem.m4 b/m4/physmem.m4
index 6956e3a..456bb37 100644 (file)
--- a/m4/physmem.m4
+++ b/m4/physmem.m4
@@ -1,4 +1,4 @@
-# physmem.m4 serial 6
+# physmem.m4 serial 7
 dnl Copyright (C) 2002, 2003, 2005, 2006 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -12,7 +12,8 @@ AC_DEFUN([gl_SYS__SYSTEM_CONFIGURATION],
     [AC_LINK_IFELSE([AC_LANG_PROGRAM(
                      [[#include <sys/systemcfg.h>
                      ]],
-                     [double x = _system_configuration.physmem;])],
+                     [double x = _system_configuration.physmem;
+                      if (x > 0.0) return 0;])],
       [gl_cv_var__system_configuration=yes],
       [gl_cv_var__system_configuration=no])])