X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fphysmem.m4;h=456bb3711f39c44e3ece129e3489823d492212be;hb=990dce77220bf009b2639f87a807548c03dc6f79;hp=900b29b2be3b590aba3073dea1243decdf42baa7;hpb=62a39c7d945eb4160c206242b85c624fb2fb21fd;p=gnulib.git

diff --git a/m4/physmem.m4 b/m4/physmem.m4
index 900b29b2b..456bb3711 100644
--- a/m4/physmem.m4
+++ b/m4/physmem.m4
@@ -1,5 +1,5 @@
-# physmem.m4 serial 4
-dnl Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
+# 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,
 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])])
 
@@ -26,11 +27,9 @@ AC_DEFUN([gl_SYS__SYSTEM_CONFIGURATION],
 
 AC_DEFUN([gl_PHYSMEM],
 [
-  AC_LIBSOURCES([physmem.c, physmem.h])
   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])