diff --git a/configure/RULES_ARCHS b/configure/RULES_ARCHS
index dfa42307d..b1d2d423e 100644
--- a/configure/RULES_ARCHS
+++ b/configure/RULES_ARCHS
@@ -12,8 +12,6 @@
 
 all: install
 
-rebuild: clean install
-
 ACTIONS = inc
 ACTIONS += build
 ACTIONS += install
@@ -46,7 +44,7 @@ CROSS_ARCHS += $(CROSS1) $(CROSS2)
 
 define DEP_template
 $(2): $$(EPICS_HOST_ARCH)
-$(1)$$(DIVIDER)$(2): $(1)$$(DIVIDER)$$(EPICS_HOST_ARCH)
+$(1)$$(DIVIDER)$(2): $(1)$$(DIVIDER)$$(EPICS_HOST_ARCH) O.$(2)
 endef
 
 $(foreach action, $(ACTIONS), $(foreach arch,\
@@ -55,6 +53,12 @@ $(foreach action, $(ACTIONS), $(foreach arch,\
 #endif
 #*************************************************************************
 
+# Allows rebuild to work with parallel builds option, -j.
+ifeq (rebuild,$(filter rebuild,$(MAKECMDGOALS)))
+$(buildDirs) O.Common : clean
+rebuild: install
+endif
+
 $(actionArchTargets) : $(buildDirs) O.Common
 	$(MAKE) -C O.$(archPart) -f ../Makefile TOP=$(TOP)/.. T_A=$(archPart) $(actionPart)
 
@@ -86,5 +90,5 @@ realclean ::
 
 .PHONY : $(actionArchTargets)
 .PHONY : $(cleanArchTargets)
-.PHONY : $(BUILD_ARCHS)
+.PHONY : $(BUILD_ARCHS) rebuild
 .PHONY : $(ACTIONS) clean realclean archclean all
diff --git a/configure/RULES_BUILD b/configure/RULES_BUILD
index e750612f1..fb74153c7 100644
--- a/configure/RULES_BUILD
+++ b/configure/RULES_BUILD
@@ -115,6 +115,9 @@ install: buildInstall
 
 buildInstall : build 
 
+# Allows rebuild to work with parallel builds option, -j.
+install: $(patsubst rebuild,clean,$(filter rebuild,$(MAKECMDGOALS)))
+
 rebuild: clean install
 
 build : inc 
diff --git a/configure/RULES_DIRS b/configure/RULES_DIRS
index 0e5a0bbea..b806ba6c0 100644
--- a/configure/RULES_DIRS
+++ b/configure/RULES_DIRS
@@ -35,7 +35,12 @@ actionArchTargets = $(foreach action, $(ACTIONS),\
 
 all : install
 
-rebuild : clean install
+# Allows rebuild to work with parallel builds option, -j.
+ifeq (rebuild,$(filter rebuild,$(MAKECMDGOALS)))
+$(foreach dir, $(DIRS), $(dir)$(DIVIDER)install): \
+    $(foreach dir, $(DIRS), $(dir)$(DIVIDER)clean)
+rebuild: $(foreach dir, $(DIRS), $(dir)$(DIVIDER)install)
+endif
 
 # Create directory dependancies lines for GNU make -j option
 # Only works with GNU make 3.81 or later (uses eval function)