diff --git a/src/bpt/Makefile b/src/bpt/Makefile
index 5fe04431d..f036231b2 100644
--- a/src/bpt/Makefile
+++ b/src/bpt/Makefile
@@ -3,24 +3,5 @@ TOP=../..
 
 include $(TOP)/configure/CONFIG
 
-INC := cvtTable.h
-
-SRCS := makeBpt.c
-PROD_DEFAULT := makeBpt
-PROD_vxWorks :=
-
-MENUS += menuConvert.h
-
-BPTS += bptTypeJdegC.dbd
-BPTS += bptTypeJdegF.dbd
-BPTS += bptTypeKdegC.dbd
-BPTS += bptTypeKdegF.dbd
-
-bptLibrary_SRCS = cvtBpt.c
-
-LIBRARY_vxWorks = bptLibrary
-
-include $(TOP)/configure/RULES_BUILD
-
-$(BPTS): $(EPICS_BASE_HOST_BIN)/makeBpt$(HOSTEXE)
+include $(TOP)/configure/RULES_ARCHS
 
diff --git a/src/bpt/Makefile.Host b/src/bpt/Makefile.Host
new file mode 100644
index 000000000..a04e864d1
--- /dev/null
+++ b/src/bpt/Makefile.Host
@@ -0,0 +1,20 @@
+
+TOP=../..
+include $(TOP)/configure/CONFIG
+
+INC := cvtTable.h
+
+SRCS := makeBpt.c
+PROD := makeBpt
+
+MENUS += menuConvert.h
+
+BPTS += bptTypeJdegC.dbd
+BPTS += bptTypeJdegF.dbd
+BPTS += bptTypeKdegC.dbd
+BPTS += bptTypeKdegF.dbd
+
+include $(TOP)/configure/RULES_BUILD
+
+$(BPTS): $(EPICS_BASE_HOST_BIN)/makeBpt$(HOSTEXE)
+
diff --git a/src/bpt/Makefile.Ioc b/src/bpt/Makefile.Ioc
new file mode 100644
index 000000000..f748e1a09
--- /dev/null
+++ b/src/bpt/Makefile.Ioc
@@ -0,0 +1,20 @@
+
+TOP=../..
+
+include $(TOP)/configure/CONFIG
+
+MENUS += menuConvert.h
+
+BPTS += bptTypeJdegC.dbd
+BPTS += bptTypeJdegF.dbd
+BPTS += bptTypeKdegC.dbd
+BPTS += bptTypeKdegF.dbd
+
+bptLibrary_SRCS = cvtBpt.c
+
+LIBRARY = bptLibrary
+
+include $(TOP)/configure/RULES_BUILD
+
+$(BPTS): $(EPICS_BASE_HOST_BIN)/makeBpt$(HOSTEXE)
+