Cycles: Fix compilation error when OIIO is compiled with external PugiXML parser

Basic idea is to check whether OIIO is compiled with embedded PugiXML parser
and if so use PugiXML from OIIO, otherwise find a standalone PugiXML library.

1 files changed, 73 insertions, 0 deletions

diff --git a/build_files/cmake/Modules/FindPugiXML.cmake b/build_files/cmake/Modules/FindPugiXML.cmake
new file mode 100644
index 00000000000..b1ed45fd257
--- /dev/null
+++ b/build_files/cmake/Modules/FindPugiXML.cmake
@@ -0,0 +1,73 @@
+# - Find PugiXML library
+# Find the native PugiXML includes and library
+# This module defines
+#  PUGIXML_INCLUDE_DIRS, where to find pugixml.h, Set when
+#                        PugiXML is found.
+#  PUGIXML_LIBRARIES, libraries to link against to use PugiiXML.
+#  PUGIXML_ROOT_DIR, The base directory to search for PugiXML.
+#                    This can also be an environment variable.
+#  PUGIXML_FOUND, If false, do not try to use PugiXML.
+#
+# also defined, but not for general use are
+#  PUGIXML_LIBRARY, where to find the PugiXML library.
+
+#=============================================================================
+# Copyright 2014 Blender Foundation.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+
+# If PUGIXML_ROOT_DIR was defined in the environment, use it.
+IF(NOT PUGIXML_ROOT_DIR AND NOT $ENV{PUGIXML_ROOT_DIR} STREQUAL "")
+  SET(PUGIXML_ROOT_DIR $ENV{PUGIXML_ROOT_DIR})
+ENDIF()
+
+SET(_pugixml_SEARCH_DIRS
+  ${PUGIXML_ROOT_DIR}
+  /usr/local
+  /sw # Fink
+  /opt/local # DarwinPorts
+  /opt/csw # Blastwave
+  /opt/lib/oiio
+)
+
+FIND_PATH(PUGIXML_INCLUDE_DIR
+  NAMES
+    pugixml.h
+  HINTS
+    ${_pugixml_SEARCH_DIRS}
+  PATH_SUFFIXES
+    include
+)
+
+FIND_LIBRARY(PUGIXML_LIBRARY
+  NAMES
+    pugixml
+  HINTS
+    ${_pugixml_SEARCH_DIRS}
+  PATH_SUFFIXES
+    lib64 lib
+  )
+
+# handle the QUIETLY and REQUIRED arguments and set PUGIXML_FOUND to TRUE if 
+# all listed variables are TRUE
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(PUGIXML DEFAULT_MSG
+    PUGIXML_LIBRARY PUGIXML_INCLUDE_DIR)
+
+IF(PUGIXML_FOUND)
+  SET(PUGIXML_LIBRARIES ${PUGIXML_LIBRARY})
+  SET(PUGIXML_INCLUDE_DIRS ${PUGIXML_INCLUDE_DIR})
+ELSE()
+  SET(PUGIXML_PUGIXML_FOUND FALSE)
+ENDIF()
+
+MARK_AS_ADVANCED(
+  PUGIXML_INCLUDE_DIR
+  PUGIXML_LIBRARY
+)