gfan/gfan-odr.patch

From a75e670e0e228e0a738eb65c7128a01446b4135c Mon Sep 17 00:00:00 2001
From: Alois Wohlschlager <alois1@gmx-topmail.de>
Date: Sat, 3 Jul 2021 11:07:23 +0200
Subject: [PATCH] Fix ODR violations
Upstream: not reachable

Various traversal code reused class names (Boundary, pathStepRidge,
pathStepFacet) in violation of the one definition rule. Put the
respective classes into anonymous namespaces to comply with ODR.
---
 src/gfanlib_traversal.cpp  |    4 ++++
 src/symmetrictraversal.cpp |    4 ++++
 src/tropicaltraverse.cpp   |    5 +++++
 3 files changed, 13 insertions(+)

Index: gfan0.7/src/gfanlib_traversal.cpp
===================================================================
--- gfan0.7.orig/src/gfanlib_traversal.cpp
+++ gfan0.7/src/gfanlib_traversal.cpp
@@ -45,6 +45,8 @@ bool FanBuilder::process(FanTraverser &t
 
 
 
+namespace
+{
 
 /**
  * Classes
@@ -159,6 +161,8 @@ public:
   }
 };
 
+}
+
 /**
    Rewrite these comments.
 
Index: gfan0.7/src/symmetrictraversal.cpp
===================================================================
--- gfan0.7.orig/src/symmetrictraversal.cpp
+++ gfan0.7/src/symmetrictraversal.cpp
@@ -103,6 +103,8 @@ bool SymmetricTargetVertexSetBuilder::pr
     in the computation is made these edges will be deleted.
  */
 
+namespace
+{
 
 class Boundary
 {
@@ -231,6 +233,8 @@ public:
   }
 };
 
+}
+
 /**
    Rewrite these comments.
 
Index: gfan0.7/src/tropicaltraverse.cpp
===================================================================
--- gfan0.7.orig/src/tropicaltraverse.cpp
+++ gfan0.7/src/tropicaltraverse.cpp
@@ -104,6 +104,9 @@ public:
   }
 };
 
+namespace
+{
+
 /**
    Rewrite these comments.
 
@@ -135,6 +138,8 @@ struct pathStepFacet
 
 using namespace tropicalTraverseNamespace;
 
+}
+
 /**
   We need to simulate two mutually recursive functions. An actual
   implementation of these two functions would propably not work since