File oiio-add-libdl-for-plugin.patch of Package OpenImageIO

Index: src/libutil/CMakeLists.txt
===================================================================
--- src/libutil/CMakeLists.txt.orig	2018-03-31 23:56:14.000000000 +0200
+++ src/libutil/CMakeLists.txt	2018-04-13 09:13:10.039917815 +0200
@@ -12,6 +12,7 @@ else ()
 endif ()
 target_link_libraries (OpenImageIO_Util ${SANITIZE_LIBRARIES})
 target_link_libraries (OpenImageIO_Util ${Boost_LIBRARIES})
+target_link_libraries (OpenImageIO_Util ${CMAKE_DL_LIBS})
 if (WIN32)
     target_link_libraries (OpenImageIO_Util psapi.lib)
 endif ()
Index: src/libOpenImageIO/CMakeLists.txt
===================================================================
--- src/libOpenImageIO/CMakeLists.txt.orig	2018-03-31 23:56:14.000000000 +0200
+++ src/libOpenImageIO/CMakeLists.txt	2018-04-13 09:13:10.039917815 +0200
@@ -106,6 +106,7 @@ endif ()
 # endif ()
 
 target_link_libraries (OpenImageIO
+                       ${CMAKE_DL_LIBS}
                        ${SANITIZE_LIBRARIES}
                        ${format_plugin_libs} # Add all the target link libraries from the plugins
                        ${Boost_LIBRARIES}