gentoo-overlay/dev-games/simgear/files/simgear-2020.1.2-boost.patch

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -227,7 +227,7 @@
 endif()

 find_package(Boost REQUIRED)
-set (BOOST_CXX_FLAGS "-DBOOST_BIMAP_DISABLE_SERIALIZATION")
+set (BOOST_CXX_FLAGS "-DBOOST_BIMAP_DISABLE_SERIALIZATION -DBOOST_NO_STDLIB_CONFIG")
 include(BoostTestTargets)

 if(SIMGEAR_HEADLESS)