Updated patch from upstream for gcc 6 and proper removal of bundled pugixml (location moved).

OpenImageIO-gcc6_placement-new.patch

@@ -1,7 +1,7 @@
 From f0220c1134a7f565cfd9e2a763d4e723adc0b211 Mon Sep 17 00:00:00 2001
 From: Larry Gritz <lg@larrygritz.com>
 Date: Wed, 3 Feb 2016 11:45:59 -0800
-Subject: [PATCH] Suppress warning/error in pugi for gcc6
+Subject: [PATCH 1/2] Suppress warning/error in pugi for gcc6
 
 ---
  src/libOpenImageIO/CMakeLists.txt | 4 ++++
@@ -22,3 +22,50 @@ index 6994dfd..fd6e4d1 100644
  endif()
  
  set (libOpenImageIO_srcs deepdata.cpp exif.cpp formatspec.cpp imagebuf.cpp
+
+From 9b476920b3764255eaef165bccf8a0bdca7d9775 Mon Sep 17 00:00:00 2001
+From: Larry Gritz <lg@larrygritz.com>
+Date: Wed, 3 Feb 2016 14:00:38 -0800
+Subject: [PATCH 2/2] Fix location of pugixml.hpp when using external one
+
+---
+ src/libOpenImageIO/formatspec.cpp | 6 +++++-
+ src/libOpenImageIO/xmp.cpp        | 7 ++++++-
+ 2 files changed, 11 insertions(+), 2 deletions(-)
+
+diff --git a/src/libOpenImageIO/formatspec.cpp b/src/libOpenImageIO/formatspec.cpp
+index 5abd289..6a4e31f 100644
+--- a/src/libOpenImageIO/formatspec.cpp
++++ b/src/libOpenImageIO/formatspec.cpp
+@@ -42,8 +42,12 @@
+ #include "OpenImageIO/fmath.h"
+ #include "OpenImageIO/imageio.h"
+ #include "imageio_pvt.h"
+-#include "OpenImageIO/pugixml.hpp"
+ 
++#if USE_EXTERNAL_PUGIXML
++# include "pugixml.hpp"
++#else
++# include "OpenImageIO/pugixml.hpp"
++#endif
+ 
+ OIIO_NAMESPACE_BEGIN
+ 
+diff --git a/src/libOpenImageIO/xmp.cpp b/src/libOpenImageIO/xmp.cpp
+index e2b16d4..9a5c985 100644
+--- a/src/libOpenImageIO/xmp.cpp
++++ b/src/libOpenImageIO/xmp.cpp
+@@ -37,7 +37,12 @@
+ #include "OpenImageIO/strutil.h"
+ #include "OpenImageIO/fmath.h"
+ #include "OpenImageIO/imageio.h"
+-#include "OpenImageIO/pugixml.hpp"
++
++#if USE_EXTERNAL_PUGIXML
++# include "pugixml.hpp"
++#else
++# include "OpenImageIO/pugixml.hpp"
++#endif
+ 
+ #define DEBUG_XMP_READ  0
+ #define DEBUG_XMP_WRITE 0

OpenImageIO.spec

@@ -100,9 +100,9 @@ Development files for package %{name}
 %patch0 -p1
 
 # Remove bundled pugixml
-rm -f src/include/pugixml.hpp \
-      src/include/pugiconfig.hpp \
-      src/libutil/pugixml.cpp 
+rm -f src/include/OpenImageIO/pugixml.hpp \
+      src/include/OpenImageIO/pugiconfig.hpp \
+      src/libutil/OpenImageIO/pugixml.cpp 
 
 # Remove bundled tbb
 rm -rf src/include/tbb