--- a/CMakeLists.txt

+++ b/CMakeLists.txt

@@ -661,11 +661,7 @@ find_program(ETAGS etags)

 #

 # Boost

 #

-set (Boost_NO_SYSTEM_PATHS TRUE)

-if (Boost_NO_SYSTEM_PATHS)

-  set (BOOST_ROOT ${PROJECT_SOURCE_DIR}/boost)

-endif ()

-find_package (Boost 1.63 REQUIRED)

+find_package (Boost REQUIRED)

 if (Boost_FOUND)

   include_directories (${Boost_INCLUDE_DIRS})

 endif ()