--- libs/dll/test/Jamfile.v2.orig	2019-04-09 21:35:32.000000000 +0200
+++ libs/dll/test/Jamfile.v2	2020-06-30 15:34:39.694149000 +0200
@@ -11,7 +11,7 @@
 import testing ;
 import path ;
 
-local RDYNAMIC = <target-os>freebsd:<linkflags>"-rdynamic" <target-os>solaris:<linkflags>"-Bdynamic" <target-os>aix:<linkflags>"-rdynamic"
+local RDYNAMIC = <target-os>bsdsunix:<linkflags>"-rdynamic" <target-os>freebsd:<linkflags>"-rdynamic" <target-os>solaris:<linkflags>"-Bdynamic" <target-os>aix:<linkflags>"-rdynamic"
     <target-os>qnxnto,<toolset>qcc:<linkflags>"-Bdynamic" <target-os>qnxnto,<toolset>gcc:<linkflags>"-rdynamic"
     <target-os>android:<linkflags>"-rdynamic" <target-os>linux:<linkflags>"-rdynamic" <target-os>darwin,<toolset>gcc:<linkflags>"-dynamic"
     <target-os>darwin,<toolset>clang:<linkflags>"-rdynamic" <target-os>iphone:<linkflags>"-rdynamic" ;