X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fphysmem.m4;h=b5001e1fc918fa5f56631e87bb1fd0ae6a1b8ce0;hb=8eaac7a51d093dbcecc0c2b42a5762a882b4517b;hp=abda0558a2d1174b8798f4a4d5ba14f0d011ae9c;hpb=44d7c1c1f004fa9bfb8ec3948de2671a7958cf5b;p=gnulib.git

diff --git a/m4/physmem.m4 b/m4/physmem.m4
index abda0558a..b5001e1fc 100644
--- a/m4/physmem.m4
+++ b/m4/physmem.m4
@@ -1,5 +1,5 @@
-# physmem.m4 serial 3
-dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+# physmem.m4 serial 8
+dnl Copyright (C) 2002-2003, 2005-2006, 2008 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.
@@ -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])])
 
@@ -26,8 +27,9 @@ AC_DEFUN([gl_SYS__SYSTEM_CONFIGURATION],
 
 AC_DEFUN([gl_PHYSMEM],
 [
+  AC_LIBOBJ([physmem])
+
   # Prerequisites of lib/physmem.c.
-  AC_CHECK_HEADERS_ONCE(unistd.h)
   AC_CHECK_HEADERS([sys/pstat.h sys/sysmp.h sys/sysinfo.h \
     machine/hal_sysinfo.h sys/table.h sys/param.h sys/sysctl.h \
     sys/systemcfg.h],,, [AC_INCLUDES_DEFAULT])