diff --git a/makefiles/bootstrap.mk b/makefiles/bootstrap.mk
new file mode 100644
index 0000000..eec469b
--- /dev/null
+++ b/makefiles/bootstrap.mk
@@ -0,0 +1,80 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Intent: Dependency-free macros used to source library makefiles
+#         and define the build environment.
+# -----------------------------------------------------------------------
+
+$(if $(DEBUG-bootstrap_mk),$(warning ENTER))
+
+##---------------------##
+##---]  CONSTANTS  [---##
+##---------------------##
+is-false = $(if $(1),true,$(null))
+is-true  = $(if $(1),$(null),true)
+
+##--------------------------##
+##---]  LIBRARY MACROS  [---##
+##--------------------------##
+is-null = $(if $(1),$(null),$(error $(1)= is undef))
+# is-null-var = $(if $($(1)),$(null),$(error $(1)= is undef))
+
+## [origin]
+## foreach: var=automatic, origin=undef
+is-null-var-orig = $(strip \
+  $(foreach varname,$(1),\
+      $(warning ** is-null-var: varname=$(varname), origin=$(origin 1), origin=$(origin var))\
+  )\
+)
+#  $(if $(1),$(call is-null-var-indirect,$($(1))),$(error $(1)= is undef)))\
+
+is-null-var-indirect = $(if $(1),$(null),$(error $(1)= is undef))
+
+# origin - undefned
+# default
+# environment
+# environment override
+# automatic
+# null(blah) ?   - true
+
+## -----------------------------------------------------------------------
+## Intent: Given an indirect var containing varname of a makefile *_ROOT
+##         parent director, derive a *_MKDIR variable and conditionally
+##         include the makefile hierarchy.
+## -----------------------------------------------------------------------
+## Given:
+##   o var containing OPT_ROOT=path
+## Return:
+##   o OPT_MKDIR=$(OPT_ROOT)/makefiles
+##   o If exists include $(OPT_MKDIR)/include.mk
+## -----------------------------------------------------------------------
+# library-include   := $(call mk-library-include,blah)
+
+mk-library-include=$(strip \
+  $(warning mk-library-include: $$1[$(1)] = [$($(1))]))\
+  $(call is-null-var,1)\
+  $(foreach var,$($(1)),\
+    $(info var=$(var) is-null=$(call is-null-var,var))\
+  $(foreach val,$$(var),\
+    $(info val=$(val))\
+    $(foreach makedir,$(subst _ROOT,_MKDIR,$(var)),\
+$(warning makedir=$(makedir))\
+)\
+)\
+)\
+)
+
+
+# $(warning makedir=$(makedir))\
+      $(if $($(makedir)),$(null),\
+        $(eval $(makedir)=$$$$($(var))/makefiles)\
+$(warning $(makedir) = $($($(makedir))))\
+$(info $$(wildcard $(val)/makefiles/include.mk) = $(wildcard $(val)/makefiles/include.mk))\
+        $(foreach mf,$(wildcard $(wildcard $(val)/makefiles/include.mk)),\
+$(warning $$(eval include $(mf)))\
+          $(eval include $(mf)))\
+))))\
+)
+
+$(if $(DEBUG-bootstrap_mk),$(warning LEAVE))
+
+# [EOF]
diff --git a/makefiles/consts.mk b/makefiles/consts.mk
index c1306ac..8961b3a 100644
--- a/makefiles/consts.mk
+++ b/makefiles/consts.mk
@@ -31,13 +31,21 @@
 export quote-double := $(null)"$(null)#"
 
 # [DEBUG] make {target} HIDE=
-HIDE        ?= @
+HIDE           ?= @
 
 env-clean      ?= /usr/bin/env --ignore-environment
 xargs-n1       := xargs -0 -t -n1 --no-run-if-empty
 xargs-n1-clean := $(env-clean) $(xargs-n1)
 
 ## -----------------------------------------------------------------------
+## Intent: NOP command for targets whose dependencies do all heavy lifting
+## -----------------------------------------------------------------------
+## usage: foo bar tans
+## <tab>$(nop-command)
+## -----------------------------------------------------------------------
+nop-cmd        := :
+
+## -----------------------------------------------------------------------
 ## Default shell:
 ##   o set -e            enable error checking
 ##   o set -u            report undefined errors
diff --git a/makefiles/docker/include.mk b/makefiles/docker/include.mk
index 48e20ca..0e53629 100644
--- a/makefiles/docker/include.mk
+++ b/makefiles/docker/include.mk
@@ -26,7 +26,13 @@
 docker-run     = docker run --rm $(docker-iam)#        # Docker command stem
 docker-run-is  = $(docker-run) $(is-stdin)             # Attach streams when interactive
 docker-run-app = $(docker-run-is) -v ${CURDIR}:/app#   # w/filesystem mount
-is-stdin       = $(shell test -t 0 && echo "-it")
+
+# -----------------------------------------------------------------------
+# --interactive: Attach streams when stdout (fh==0) defined
+# --tty        : Always create a pseudo-tty else jenkins:docker is silent
+# -----------------------------------------------------------------------
+is-stdin       = $(shell test -t 0 && { echo '--interactive'; })
+is-stdin       += --tty
 
 voltha-protos-v5 ?= /go/src/github.com/opencord/voltha-protos/v5
 
diff --git a/makefiles/etc/include.mk b/makefiles/etc/include.mk
new file mode 100644
index 0000000..a48b42c
--- /dev/null
+++ b/makefiles/etc/include.mk
@@ -0,0 +1,48 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2017-2023 Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-FileCopyrightText: 2017-2023 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+# Usage:
+#
+# mytarget:
+#     $(call banner-enter,target $@)
+#     @echo "Hello World"
+#     $(call banner-leave,target $@)
+# -----------------------------------------------------------------------
+
+$(if $(DEBUG),$(warning ENTER))
+
+target-banner = ** ---------------------------------------------------------------------------
+
+## -----------------------------------------------------------------------
+## Intent: Return a command line able to display a banner hilighting
+##         make target processing within a logfile.
+## -----------------------------------------------------------------------
+banner-enter=\
+    @echo -e \
+    "\n"\
+    "$(target-banner)\n"\
+    "** $(MAKE) ENTER: $(1)\n"\
+    "$(target-banner)"\
+
+banner-leave=\
+    @echo -e "** $(MAKE) LEAVE: $(1)"
+
+$(if $(DEBUG),$(warning LEAVE))
+
+# [EOF]
diff --git a/makefiles/help/header.mk b/makefiles/help/header.mk
new file mode 100644
index 0000000..021ac0d
--- /dev/null
+++ b/makefiles/help/header.mk
@@ -0,0 +1,6 @@
+# -*- makefile -*-
+
+help :
+	@echo "Usage: make [options] [target] ..."
+	@echo "Targets:"
+	@echo "  help                        This message"
diff --git a/makefiles/include.mk b/makefiles/include.mk
index 2f2e422..806020a 100644
--- a/makefiles/include.mk
+++ b/makefiles/include.mk
@@ -18,19 +18,23 @@
 # SPDX-License-Identifier: Apache-2.0
 # -----------------------------------------------------------------------
 
+ifndef mk-include--onf-make
+
 $(if $(DEBUG),$(warning ENTER))
 
 TOP           ?= .
 MAKEDIR       ?= $(TOP)/makefiles
 
 ONF_ROOT      ?= $(TOP)/../onf-make/makefiles
-ONF_MAKEDIR   := $(ONF_ROOT)/makefiles
+ONF_MAKEDIR   ?= $(ONF_ROOT)/makefiles
 
 ONF_MAKE ?= $(MAKEDIR)# fix this -- two distinct makefiles/ directories are needed
 ONF_MAKE ?= $(error ONF_MAKE= is required)
 
 include $(ONF_MAKE)/consts.mk
-include $(ONF_MAKE)/help/include.mk
+include $(ONF_MAKE)/help/include.mk       # render target help
+include $(ONF_MAKE)/utils/include.mk      # dependency-less helper macros
+include $(ONF_MAKE)/etc/include.mk        # banner macros
 
 include $(ONF_MAKE)/virtualenv.mk#        # lint-{jjb,python} depends on venv
 include $(ONF_MAKE)/lint/include.mk
@@ -40,6 +44,11 @@
 include $(ONF_MAKE)/todo.mk
 include $(ONF_MAKE)/help/variables.mk
 
+##---------------------##
+##---]  ON_DEMAND  [---##
+##---------------------##
+$(if $(USE_DOCKER_MK),$(eval $(ONF_MAKE)/docker/include.mk))
+
 ##-------------------##
 ##---]  TARGETS  [---##
 ##-------------------##
@@ -58,4 +67,8 @@
 ##     [... include *.mk ...]
 ##     include makefiles/main/leave.mk
 
+mk-include--onf-make := true
+
+endif # mk-include--onf-make
+
 # [EOF]
diff --git a/makefiles/utils/include.mk b/makefiles/utils/include.mk
new file mode 100644
index 0000000..84f684b
--- /dev/null
+++ b/makefiles/utils/include.mk
@@ -0,0 +1,29 @@
+# -*- makefile -*-
+# -----------------------------------------------------------------------
+# Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-FileCopyrightText: 2022 Open Networking Foundation (ONF) and the ONF Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+
+$(if $(DEBUG),$(warning ENTER))
+
+# usage: $(call if-not,false,5)
+if-not = $(info 1=$(1), 2=$(2), 3=$(3))\
+  $(if $(1),$(null),$(2))
+
+$(if $(DEBUG),$(warning LEAVE))
+
+# [EOF]
diff --git a/makefiles/utils/test/makefile b/makefiles/utils/test/makefile
new file mode 100644
index 0000000..a148cfa
--- /dev/null
+++ b/makefiles/utils/test/makefile
@@ -0,0 +1,9 @@
+# -*- makefile -*-
+
+include ../include.mk
+
+all:
+
+test ::
+	@echo "Testing if-not"
+	@echo $(call if-not,$(null),true,false)