https://bugs.gentoo.org/963976
https://bugs.gentoo.org/969020

--- mongo-r8.0.12.orig/SConstruct
+++ mongo-r8.0.12/SConstruct
@@ -1683,7 +1683,7 @@ def printLocalInfo():
 
 printLocalInfo()
 
-boostLibs = ["filesystem", "program_options", "system", "iostreams", "thread", "log"]
+boostLibs = ["filesystem", "program_options", "iostreams", "thread", "log"]
 
 onlyServer = len(COMMAND_LINE_TARGETS) == 0 or (len(COMMAND_LINE_TARGETS) == 1 and str(
     COMMAND_LINE_TARGETS[0]) in ["mongod", "mongos", "test"])
--- mongo-r8.0.12.orig/src/third_party/SConscript
+++ mongo-r8.0.12/src/third_party/SConscript
@@ -436,7 +436,6 @@ if use_system_version_of_library("boost"
         boostEnv = boostEnv.Clone(SYSLIBDEPS=[
             env['LIBDEPS_BOOST_PROGRAM_OPTIONS_SYSLIBDEP'],
             env['LIBDEPS_BOOST_FILESYSTEM_SYSLIBDEP'],
-            env['LIBDEPS_BOOST_SYSTEM_SYSLIBDEP'],
             env['LIBDEPS_BOOST_IOSTREAMS_SYSLIBDEP'],
             env['LIBDEPS_BOOST_THREAD_SYSLIBDEP'],
             env['LIBDEPS_BOOST_LOG_SYSLIBDEP'],