Updated for use with Boost 1.89.0 and later versions

Boost.System has been a header-only library since 1.69.

See https://github.com/boostorg/system/blob/develop/doc/system/changes.adoc#changes-in-boost-169

The stub library was removed in 1.89.0.

Author: chrisn

CMakeLists.txt

@@ -122,8 +122,11 @@ if(LIBID3TAG_FOUND)
     include_directories(${LIBID3TAG_INCLUDE_DIRS})
 endif(LIBID3TAG_FOUND)
 
-find_package(Boost 1.46.0 COMPONENTS program_options filesystem regex system REQUIRED)
+find_package(Boost 1.46.0 COMPONENTS program_options filesystem regex REQUIRED)
 if(Boost_FOUND)
+    if(Boost_MAJOR_VERSION EQUAL 1 AND Boost_MINOR_VERSION LESS 69)
+        find_package(Boost 1.46.0 COMPONENTS program_options filesystem regex system REQUIRED)
+    endif()
     message(STATUS "Boost_INCLUDE_DIRS='${Boost_INCLUDE_DIRS}'")
     message(STATUS "Boost_LIBRARIES='${Boost_LIBRARIES}'")
     include_directories(${Boost_INCLUDE_DIRS})