X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fphysmem.m4;h=2d79a699723cfbac3b029b203fb7dff92338fa91;hb=c4194dcc56767f8f96bc005088b292f519b13910;hp=18250ddecc872b96acc571cd50994277dfae35fc;hpb=7c3f8da8f075e3813ced160d5b53a28c6f7dfe78;p=gnulib.git

diff --git a/m4/physmem.m4 b/m4/physmem.m4
index 18250ddec..2d79a6997 100644
--- a/m4/physmem.m4
+++ b/m4/physmem.m4
@@ -1,5 +1,5 @@
-# physmem.m4 serial 5
-dnl Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
+# physmem.m4 serial 9
+dnl Copyright (C) 2002-2003, 2005-2006, 2008-2009 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.
@@ -7,17 +7,18 @@ dnl with or without modifications, as long as this notice is preserved.
 # Check for the external symbol, _system_configuration,
 # a struct with member `physmem'.
 AC_DEFUN([gl_SYS__SYSTEM_CONFIGURATION],
-  [AC_CACHE_CHECK(for external symbol _system_configuration,
+  [AC_CACHE_CHECK([for external symbol _system_configuration],
 		  gl_cv_var__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])])
 
     if test $gl_cv_var__system_configuration = yes; then
-      AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1,
+      AC_DEFINE([HAVE__SYSTEM_CONFIGURATION], [1],
 		[Define to 1 if you have the external variable,
 		_system_configuration with a member named physmem.])
     fi
@@ -26,7 +27,6 @@ AC_DEFUN([gl_SYS__SYSTEM_CONFIGURATION],
 
 AC_DEFUN([gl_PHYSMEM],
 [
-  AC_LIBSOURCES([physmem.c, physmem.h])
   AC_LIBOBJ([physmem])
 
   # Prerequisites of lib/physmem.c.
@@ -34,6 +34,6 @@ AC_DEFUN([gl_PHYSMEM],
     machine/hal_sysinfo.h sys/table.h sys/param.h sys/sysctl.h \
     sys/systemcfg.h],,, [AC_INCLUDES_DEFAULT])
 
-  AC_CHECK_FUNCS(pstat_getstatic pstat_getdynamic sysmp getsysinfo sysctl table)
+  AC_CHECK_FUNCS([pstat_getstatic pstat_getdynamic sysmp getsysinfo sysctl table])
   AC_REQUIRE([gl_SYS__SYSTEM_CONFIGURATION])
 ])