That should be:
<file first="yes">multiboot.S</file>
or similar.
Modified: branches/xmlbuildsystem/reactos/ntoskrnl/ntoskrnl.xml
--- branches/xmlbuildsystem/reactos/ntoskrnl/ntoskrnl.xml 2005-01-19 01:11:43 UTC (rev
13128)
+++ branches/xmlbuildsystem/reactos/ntoskrnl/ntoskrnl.xml 2005-01-19 01:37:35 UTC (rev
13129)
@@ -26,10 +26,10 @@
</output>
</invoke>
- <directory name="ke"> <!-- leave this at the top -->
+ <directory name="ke">
<if property="ARCH" value="i386">
<directory name="i386">
- <file>multiboot.S</file> <!-- leave this at the top -->
+ <file first>multiboot.S</file>
<file>bios.c</file>
<file>brkpoint.c</file>
<file>bthread.S</file>