fixed by upstream https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/3943.patch
https://bugs.gentoo.org/971594
fix building against boost >=1.89
--- a/storage/columnstore/columnstore/cmake/boost.cmake
+++ b/storage/columnstore/columnstore/cmake/boost.cmake
@@ -1,4 +1,4 @@
-find_package(Boost 1.88.0 COMPONENTS chrono filesystem program_options regex system thread)
+find_package(Boost 1.88.0 COMPONENTS chrono filesystem program_options regex thread)
 
 if(Boost_FOUND)
     add_custom_target(external_boost)
@@ -27,7 +27,7 @@ set(_b2args cxxflags=${_cxxargs};cflags=-fPIC;threading=multi;${_extra};toolset=
 )
 
 set(byproducts)
-foreach(name chrono filesystem program_options regex system thread)
+foreach(name chrono filesystem program_options regex thread)
     set(lib boost_${name})
     add_library(${lib} STATIC IMPORTED GLOBAL)
     add_dependencies(${lib} external_boost)
--- a/storage/columnstore/columnstore/storage-manager/CMakeLists.txt
+++ b/storage/columnstore/columnstore/storage-manager/CMakeLists.txt
@@ -71,7 +71,6 @@ target_compile_definitions(storagemanager PUBLIC BOOST_NO_CXX11_SCOPED_ENUMS)
 columnstore_link(
     storagemanager
     boost_chrono
-    boost_system
     boost_thread
     boost_filesystem
     boost_regex
--- a/storage/columnstore/columnstore/tools/rebuildEM/CMakeLists.txt
+++ b/storage/columnstore/columnstore/tools/rebuildEM/CMakeLists.txt
@@ -2,4 +2,4 @@ include_directories(${ENGINE_COMMON_INCLUDES})
 
 set(rebuildEM_SRCS main.cpp rebuildEM.cpp)
 columnstore_executable(mcsRebuildEM ${rebuildEM_SRCS})
-columnstore_link(mcsRebuildEM ${ENGINE_LDFLAGS} ${ENGINE_WRITE_LIBS} boost_system boost_filesystem)
+columnstore_link(mcsRebuildEM ${ENGINE_LDFLAGS} ${ENGINE_WRITE_LIBS} boost_filesystem)
--- a/storage/columnstore/columnstore/utils/idbdatafile/CMakeLists.txt
+++ b/storage/columnstore/columnstore/utils/idbdatafile/CMakeLists.txt
@@ -14,4 +14,4 @@ set(idbdatafile_LIB_SRCS
 )
 
 columnstore_library(idbdatafile ${idbdatafile_LIB_SRCS})
-columnstore_link(idbdatafile PRIVATE ${ENGINE_OAM_LIBS} boost_filesystem boost_system compress)
+columnstore_link(idbdatafile PRIVATE ${ENGINE_OAM_LIBS} boost_filesystem compress)