-- Lower the minimum Boost version to the version available in the FreeBSD
-- ports tree (1.89.0) and disable the debug-runtime requirement so the
-- release Boost libraries installed by devel/boost-libs are accepted.
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -185,7 +185,8 @@
     message(STATUS "mp++ library found.")

     # Boost setup.
-    set(_audi_MIN_BOOST_VERSION "1.90")
+    set(_audi_MIN_BOOST_VERSION "1.89")
+    set(Boost_USE_DEBUG_RUNTIME OFF)
     find_package(Boost ${_audi_MIN_BOOST_VERSION} CONFIG REQUIRED COMPONENTS serialization timer chrono unit_test_framework)
     message(STATUS "Boost library found.")
