From ad6b7d73966721806749570ee289655715d4fcfd Mon Sep 17 00:00:00 2001
From: Oliver Sander <sander@dune-project.org>
Date: Tue, 10 May 2005 11:06:16 +0000
Subject: [PATCH] answering a question someone posed in a comment

[[Imported from SVN: r2037]]
---
 grid/uggrid/Makefile.am | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/grid/uggrid/Makefile.am b/grid/uggrid/Makefile.am
index 04417c392..1e6e3cd99 100644
--- a/grid/uggrid/Makefile.am
+++ b/grid/uggrid/Makefile.am
@@ -8,5 +8,11 @@ uggrid_HEADERS = uggrid.cc uggridentity.cc uggridgeometry.cc \
   ugintersectionit.hh ugtypes.hh ug_undefs.hh ughierarchicindexset.hh
 
 # tricks like undefAllMacros.pl don't have to be shipped, have they?
+# Oliver Sander: It depends. undefAllMacros.pl creates the file ug_undefs.hh
+# which depends on the current version of UG and on whether you're compiling
+# with ModelP or without.  Distributing a ug_undefs.hh is the easiest way,
+# but it actually ignores the difference between sequential and parallel UG.
+# This may lead to spurious UG macros bleeding into Dune.
+
 
 include $(top_srcdir)/am/sourcescheck
-- 
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