Look for boost headers for OpenVDBs older than 12

Signed-off-by: Alex Fuller <[email protected]>

Author: boberfly

src/cmake/modules/FindOpenVDB.cmake

@@ -89,6 +89,11 @@ if (OpenVDB_FOUND)
         set_property(TARGET OpenVDB::openvdb APPEND PROPERTY
             IMPORTED_LOCATION "${OPENVDB_LIBRARIES}")
     endif ()
+
+    # Note: OpenVDB older than 12 needs Boost headers.
+    if (OpenVDB_VERSION VERSION_LESS 12)
+        checked_find_package (Boost)
+    endif()
 endif ()
 
 MARK_AS_ADVANCED(

src/openvdb.imageio/CMakeLists.txt

@@ -4,7 +4,9 @@
 
 if (OpenVDB_FOUND)
     add_oiio_plugin (openvdbinput.cpp
-                     INCLUDE_DIRS  ${OPENVDB_INCLUDES} ${TBB_INCLUDE_DIRS}
+                     INCLUDE_DIRS  ${OPENVDB_INCLUDES}
+                                   ${TBB_INCLUDE_DIRS}
+                                   ${Boost_INCLUDE_DIRS}
                      LINK_LIBRARIES  ${OPENVDB_LIBRARIES}
                                      $<TARGET_NAME_IF_EXISTS:TBB::tbb>)
 endif()