From 05ff656aba2d9351c2e79c08564c8c29917b8617 Mon Sep 17 00:00:00 2001
From: Eric Fischer <enf@pobox.com>
Date: Thu, 24 Mar 2016 14:36:36 -0700
Subject: [PATCH] Upgrade to Clipper 9dfe779ed7a

---
 Makefile            | 4 ++--
 clipper/clipper.cpp | 1 -
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index fac1d92..0266300 100644
--- a/Makefile
+++ b/Makefile
@@ -3,9 +3,9 @@ MANDIR ?= $(PREFIX)/share/man/man1/
 
 # inherit from env if set
 CC := $(CC)
-CXX := $(CXX) -std=c++11
+CXX := $(CXX)
 CFLAGS := $(CFLAGS)
-CXXFLAGS := $(CXXFLAGS)
+CXXFLAGS := $(CXXFLAGS) -std=c++11
 LDFLAGS := $(LDFLAGS)
 
 all: tippecanoe tippecanoe-enumerate tippecanoe-decode tile-join
diff --git a/clipper/clipper.cpp b/clipper/clipper.cpp
index a86ddee..a180e50 100644
--- a/clipper/clipper.cpp
+++ b/clipper/clipper.cpp
@@ -4865,7 +4865,6 @@ void Clipper::DoSimplePolygons()
         while (i < m_PolyOuts.size()) 
         {
             OutRec* outrec = m_PolyOuts[i++];
-            FixHoleLinkage(*outrec);
             OutPt* op = outrec->Pts;
             if (!op || outrec->IsOpen) continue;
             do