File boost.patch of Package collada-dom
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -159,7 +159,7 @@
if( NOT $ENV{BOOST_LIBRARYDIR} STREQUAL "" )
set(Boost_LIBRARY_DIRS $ENV{BOOST_LIBRARYDIR})
endif()
-find_package(Boost COMPONENTS filesystem system REQUIRED)
+find_package(Boost COMPONENTS filesystem REQUIRED)
message(STATUS "found boost version: ${Boost_VERSION}")