--- libs/coroutine2/performance/Jamfile.v2.orig	2019-04-09 21:35:30.000000000 +0200
+++ libs/coroutine2/performance/Jamfile.v2	2020-06-30 15:37:05.754155000 +0200
@@ -40,6 +40,11 @@
    ;
 
 alias sources
+   : bind_processor_bsdsunix.cpp
+   : <target-os>bsdsunix
+   ;
+
+alias sources
    : bind_processor_hpux.cpp
    : <target-os>hpux
    ;