[OpenImageIO] Add missing patch.

[Richard Shaw]

commit 55e2849c8749029582dfcab2df207fad5b8f2d09
Author: Richard M. Shaw <hobbes1069 at gmail.com>
Date:   Thu Jan 5 13:39:56 2012 -0600

    Add missing patch.

 OpenImageIO-0.10.3-use_external_tbb.patch |   74 +++++++++++++++++++++++++++++
 OpenImageIO-0.10.3-use_system_tbb.patch   |   25 ----------
 2 files changed, 74 insertions(+), 25 deletions(-)
---
diff --git a/OpenImageIO-0.10.3-use_external_tbb.patch b/OpenImageIO-0.10.3-use_external_tbb.patch
new file mode 100644
index 0000000..ba243f5
--- /dev/null
+++ b/OpenImageIO-0.10.3-use_external_tbb.patch
@@ -0,0 +1,74 @@
+ src/cmake/externalpackages.cmake  |   19 +++++++++++++++++++
+ src/include/CMakeLists.txt        |    2 +-
+ src/libOpenImageIO/CMakeLists.txt |   11 ++++++++++-
+ 3 files changed, 30 insertions(+), 2 deletions(-)
+
+diff --git a/src/cmake/externalpackages.cmake b/src/cmake/externalpackages.cmake
+index ddea7e0..aa25df6 100644
+--- a/src/cmake/externalpackages.cmake
++++ b/src/cmake/externalpackages.cmake
+@@ -272,3 +272,22 @@ if (USE_EXTERNAL_PUGIXML)
+ endif()
+ 
+ ###########################################################################
++
++###########################################################################
++# TBB setup.  Normally we just use the version bundled with oiio, but
++# some linux distros are quite particular about having separate packages so we
++# allow this to be overridden to use the distro-provided package if desired.
++#
++# Try to find it first and fall back to built-in if not available.
++find_package (TBB REQUIRED)
++if (TBB_FOUND)
++    set (USE_EXTERNAL_TBB TRUE CACHE BOOL
++        "Use system installed TBB library if avaialble."
++    )
++    mark_as_advanced (FORCE USE_EXTERNAL_TBB)
++    # insert include path to TBB first, to ensure that the external
++    # TBB is found, and not the one in OIIO's include directory.
++    include_directories (BEFORE ${TBB_INCLUDE_DIR})
++endif()
++
++###########################################################################
+diff --git a/src/include/CMakeLists.txt b/src/include/CMakeLists.txt
+index 385f98e..4a2da55 100644
+--- a/src/include/CMakeLists.txt
++++ b/src/include/CMakeLists.txt
+@@ -23,7 +23,7 @@ list(APPEND public_headers ${CMAKE_BINARY_DIR}/include/version.h)
+ install (FILES ${public_headers} DESTINATION ${INCLUDE_INSTALL_DIR}
+          COMPONENT developer)
+ 
+-if (USE_TBB)
++if (USE_TBB AND NOT USE_EXTERNAL_TBB)
+     install (DIRECTORY tbb DESTINATION ${INCLUDE_INSTALL_DIR}
+              COMPONENT developer)
+ endif ()
+diff --git a/src/libOpenImageIO/CMakeLists.txt b/src/libOpenImageIO/CMakeLists.txt
+index f4425f6..62da8dd 100644
+--- a/src/libOpenImageIO/CMakeLists.txt
++++ b/src/libOpenImageIO/CMakeLists.txt
+@@ -61,7 +61,12 @@ if (NOT USE_EXTERNAL_PUGIXML)
+ endif ()
+ 
+ # Include our own TBB if using it
+-if (USE_TBB)
++if (USE_TBB AND USE_EXTERNAL_TBB)
++    message (STATUS "System TBB library will be used.")
++    add_definitions ("-DUSE_TBB=1")
++    set (libOpenImageIO_srcs ${libOpenImageIO_srcs})
++elseif (USE_TBB AND NOT USE_EXTERNAL_TBB)
++    message (STATUS "Built-in TBB library will be used.")
+     add_definitions ("-DUSE_TBB=1")
+     set (libOpenImageIO_srcs ${libOpenImageIO_srcs} ../libutil/tbb_misc.cpp)
+ else ()
+@@ -221,6 +226,10 @@ if (USE_EXTERNAL_PUGIXML)
+     target_link_libraries (OpenImageIO ${PUGIXML_LIBRARIES})
+ endif ()
+ 
++if (USE_EXTERNAL_TBB)
++    target_link_libraries (OpenImageIO ${TBB_LIBRARIES})
++endif ()
++
+ message(STATUS "Setting SOVERSION to: ${SOVERSION}")
+ set_target_properties(OpenImageIO
+                          PROPERTIES