--- src/VBox/Debugger/Makefile.kmk.orig	2020-07-10 02:52:46.000000000 +1000
+++ src/VBox/Debugger/Makefile.kmk	2020-08-21 17:04:43.682101000 +1000
@@ -64,6 +64,7 @@
 	DBGPlugInSolaris.cpp \
 	DBGPlugInWinNt.cpp \
 	DBGPlugInOS2.cpp \
+	DBGPlugInBsdSUnix.cpp \
 	DBGPlugInFreeBsd.cpp \
 	DBGPlugInCommonELF.cpp
 DbgPlugInDiggers_LIBS = \
@@ -113,6 +114,8 @@
 	VBoxDbgBase.cpp \
 	VBoxDbgConsole.cpp \
 	VBoxDbgStatsQt.cpp
+VBoxDbg_CXXFLAGS.bsdsunix += -std=c++11
+VBoxDbg_CXXFLAGS.freebsd += -std=c++11
 VBoxDbg_LIBS = \
 	$(VBOX_LIB_VMM_LAZY)
 VBoxDbg_LDFLAGS.darwin = \
@@ -130,6 +133,7 @@
 tstVBoxDbg_QT_MODULES   = Core Gui Widgets
 tstVBoxDbg_LIBS.linux   += xcb
 tstVBoxDbg_LIBS.solaris += xcb
+tstVBoxDbg_LIBS.bsdsunix += xcb
 tstVBoxDbg_LIBS.freebsd += xcb
 tstVBoxDbg_SOURCES      = testcase/tstVBoxDbg.cpp
 tstVBoxDbg_LIBS         = \