diff --git a/Makefile b/Makefile
index 1a2c181..8c50cd0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,140 +1,108 @@
 MAKEFLAGS += $(_PARALLELMFLAGS) --no-builtin-rules
+MAKEFILE := $(lastword $(MAKEFILE_LIST))
+SHELL := /bin/sh
 
-filter_targets = $(shell echo '$2' | sed -e 's@\s@\n@g' | sed -n$(foreach REGEX,$1, -e 's@$(REGEX)@\0@p'))
-
-filter_out_command = $(filter $1,$(foreach CMD,$1,$(shell command -v $(CMD) 2>&1 1>/dev/null || echo $(CMD))))
-
-regex_march_distro = '$1-$2-.*'
+.SUFFIXES:
 
 .PHONY: default
 default: all
 
-# Overridable defaults
+#######################################################################################################################
+# Project macros
 
-DOCKER ?= docker
-DOCKER_BUILDKIT ?= 
+filter_targets = $(shell echo '$2' | sed -e 's@\s@\n@g' | sed -n$(foreach REGEX,$1, -e 's@$(REGEX)@\0@p'))
 
-PARALLELMFLAGS ?= 
-NPROC ?= $(shell echo '$(PARALLELMFLAGS)' | sed -n -e 's@.*-j.*\([0-9]\+\)@\1@p')
+regex_march_distro = '$1-$2-.*'
 
-VERBOSE ?= 
-BUILDVERBOSE ?= 
+#######################################################################################################################
+# Overridable project defaults
+
+PROJECTNAME ?= webfuse
+PROJECTDIR ?= $(realpath $(dir $(MAKEFILE)))
+SCRIPTDIR ?= $(PROJECTDIR)/build
+OUTDIR ?= $(PROJECTDIR)/.build
+BUILDTYPE ?= Debug
 
 DISABLE_DEFAULT_BUILDTARGET := $(or $(MARCH),$(DISTRO))
 $(DISABLE_DEFAULT_BUILDTARGET)BUILDTARGET ?= amd64-ubuntu-builder
-BUILDTYPE ?= Debug
 MARCH ?= '.*'
 DISTRO ?= '.*'
 FILTER ?= $(call regex_march_distro,$(MARCH),$(DISTRO))
 
-PROJECT_NAME ?= webfuse
-PROJECT_ROOT ?= .
-OUT ?= $(PROJECT_ROOT)/.build
-
-VERSION ?= $(shell cat $(PROJECT_ROOT)/VERSION)
-VERSION := $(VERSION)
-
-USERID ?= $(shell id -u)
-USERID := $(USERID)
-
 CONTAINER_USER ?= user
 CONTAINER_GROUP ?= user
-CONTAINER_CGROUP_PARENT ?= 
-
-HOST_MARCH ?= $(shell dpkg --print-architecture 2>/dev/null)
-HOST_CONTAINER ?= $(shell $(PROJECT_ROOT)/build/get_container_id.sh)
-HOST_CONTAINER := $(HOST_CONTAINER)
 
 UBUNTU_CODENAME ?= bionic
 DEBIAN_CODENAME ?= testing-slim
 
-SOURCE_DATE_EPOCH ?= $(shell $(PROJECT_ROOT)/build/get_source_date_epoch.sh)
-SOURCE_DATE_EPOCH := $(SOURCE_DATE_EPOCH)
-export SOURCE_DATE_EPOCH
-
-BUILDTIME ?= $(shell date -u -d '@$(SOURCE_DATE_EPOCH)' --rfc-3339 ns 2>/dev/null | sed -e 's/ /T/')
-BUILDTIME := $(BUILDTIME)
-export BUILDTIME
-
-$(HOST_CONTAINER)PORTABLE_WORSPACE ?= 
-CONTAINER_PROJECT_ROOT ?= /workspace/src
-CONTAINER_OUT ?= /workspace/out
-$(PORTABLE_WORSPACE)CONTAINER_PROJECT_ROOT = $(abspath $(PROJECT_ROOT))
-$(PORTABLE_WORSPACE)CONTAINER_OUT = $(abspath $(OUT))
-
 DISABLE_MD5SUM ?= $(call filter_out_command,md5sum)
 DISABLE_MD5SUM := $(DISABLE_MD5SUM)
 
+#######################################################################################################################
 # Project dependencies
 
 DUMB_INIT_VERSION ?= 1.2.2
 DOCKER_BUILDARGS += DUMB_INIT_VERSION=$(DUMB_INIT_VERSION)
-FETCH_TARGETS += $(OUT)/dumb-init-$(DUMB_INIT_VERSION).tar.gz
-$(OUT)/dumb-init-$(DUMB_INIT_VERSION).tar.gz: URL := https://github.com/Yelp/dumb-init/archive/v${DUMB_INIT_VERSION}.tar.gz
-$(DISABLE_MD5SUM)$(OUT)/dumb-init-$(DUMB_INIT_VERSION).tar.gz: MD5 := 6166084b05772cdcf615a762c6f3b32e
+FETCH_TARGETS += $(OUTDIR)/dumb-init-$(DUMB_INIT_VERSION).tar.gz
+$(OUTDIR)/dumb-init-$(DUMB_INIT_VERSION).tar.gz: URL := https://github.com/Yelp/dumb-init/archive/v${DUMB_INIT_VERSION}.tar.gz
+$(DISABLE_MD5SUM)$(OUTDIR)/dumb-init-$(DUMB_INIT_VERSION).tar.gz: MD5 := 6166084b05772cdcf615a762c6f3b32e
 
 GTEST_VERSION ?= 1.8.1
 DOCKER_BUILDARGS += GTEST_VERSION=$(GTEST_VERSION)
-FETCH_TARGETS += $(OUT)/googletest-release-$(GTEST_VERSION).tar.gz
-$(OUT)/googletest-release-$(GTEST_VERSION).tar.gz: URL := https://github.com/google/googletest/archive/release-$(GTEST_VERSION).tar.gz
-$(DISABLE_MD5SUM)$(OUT)/googletest-release-$(GTEST_VERSION).tar.gz: MD5 := 2e6fbeb6a91310a16efe181886c59596
+FETCH_TARGETS += $(OUTDIR)/googletest-release-$(GTEST_VERSION).tar.gz
+$(OUTDIR)/googletest-release-$(GTEST_VERSION).tar.gz: URL := https://github.com/google/googletest/archive/release-$(GTEST_VERSION).tar.gz
+$(DISABLE_MD5SUM)$(OUTDIR)/googletest-release-$(GTEST_VERSION).tar.gz: MD5 := 2e6fbeb6a91310a16efe181886c59596
 
 FUSE_VERSION ?= 3.1.1
 DOCKER_BUILDARGS += FUSE_VERSION=$(FUSE_VERSION)
-FETCH_TARGETS += $(OUT)/libfuse-fuse-$(FUSE_VERSION).tar.gz
-$(OUT)/libfuse-fuse-$(FUSE_VERSION).tar.gz: URL := https://github.com/libfuse/libfuse/archive/fuse-$(FUSE_VERSION).tar.gz
-$(DISABLE_MD5SUM)$(OUT)/libfuse-fuse-$(FUSE_VERSION).tar.gz: MD5 := 097f194856938afdd98bea1a5c046edd
+FETCH_TARGETS += $(OUTDIR)/libfuse-fuse-$(FUSE_VERSION).tar.gz
+$(OUTDIR)/libfuse-fuse-$(FUSE_VERSION).tar.gz: URL := https://github.com/libfuse/libfuse/archive/fuse-$(FUSE_VERSION).tar.gz
+$(DISABLE_MD5SUM)$(OUTDIR)/libfuse-fuse-$(FUSE_VERSION).tar.gz: MD5 := 097f194856938afdd98bea1a5c046edd
 
 WEBSOCKETS_VERSION ?= 3.1.0
 DOCKER_BUILDARGS += WEBSOCKETS_VERSION=$(WEBSOCKETS_VERSION)
-FETCH_TARGETS += $(OUT)/libwebsockets-$(WEBSOCKETS_VERSION).tar.gz
-$(OUT)/libwebsockets-$(WEBSOCKETS_VERSION).tar.gz: URL := https://github.com/warmcat/libwebsockets/archive/v$(WEBSOCKETS_VERSION).tar.gz
-$(DISABLE_MD5SUM)$(OUT)/libwebsockets-$(WEBSOCKETS_VERSION).tar.gz: MD5 := 325359a25d5f6d22725ff5d086db1c76
+FETCH_TARGETS += $(OUTDIR)/libwebsockets-$(WEBSOCKETS_VERSION).tar.gz
+$(OUTDIR)/libwebsockets-$(WEBSOCKETS_VERSION).tar.gz: URL := https://github.com/warmcat/libwebsockets/archive/v$(WEBSOCKETS_VERSION).tar.gz
+$(DISABLE_MD5SUM)$(OUTDIR)/libwebsockets-$(WEBSOCKETS_VERSION).tar.gz: MD5 := 325359a25d5f6d22725ff5d086db1c76
 
 JANSSON_VERSION ?= 2.12
 DOCKER_BUILDARGS += JANSSON_VERSION=$(JANSSON_VERSION)
-FETCH_TARGETS += $(OUT)/jansson-$(JANSSON_VERSION).tar.gz
-$(OUT)/jansson-$(JANSSON_VERSION).tar.gz: URL := https://github.com/akheron/jansson/archive/v$(JANSSON_VERSION).tar.gz
-$(DISABLE_MD5SUM)$(OUT)/jansson-$(JANSSON_VERSION).tar.gz: MD5 := c4b106528d5ffb521178565de1ba950d
+FETCH_TARGETS += $(OUTDIR)/jansson-$(JANSSON_VERSION).tar.gz
+$(OUTDIR)/jansson-$(JANSSON_VERSION).tar.gz: URL := https://github.com/akheron/jansson/archive/v$(JANSSON_VERSION).tar.gz
+$(DISABLE_MD5SUM)$(OUTDIR)/jansson-$(JANSSON_VERSION).tar.gz: MD5 := c4b106528d5ffb521178565de1ba950d
 
 QEMU_VERSION ?= v3.1.0-2
 DOCKER_BUILDARGS += QEMU_VERSION_=$(QEMU_VERSION)
-FETCH_TARGETS += $(OUT)/docker/qemu-arm-static-$(QEMU_VERSION)
-$(OUT)/docker/qemu-arm-static-$(QEMU_VERSION): URL := https://github.com/multiarch/qemu-user-static/releases/download/$(QEMU_VERSION)/qemu-arm-static
-$(DISABLE_MD5SUM)$(OUT)/docker/qemu-arm-static-$(QEMU_VERSION): MD5 := 8ebd24e63fdfa07c557d45373bd831b1
+FETCH_TARGETS += $(OUTDIR)/docker/qemu-arm-static-$(QEMU_VERSION)
+$(OUTDIR)/docker/qemu-arm-static-$(QEMU_VERSION): URL := https://github.com/multiarch/qemu-user-static/releases/download/$(QEMU_VERSION)/qemu-arm-static
+$(DISABLE_MD5SUM)$(OUTDIR)/docker/qemu-arm-static-$(QEMU_VERSION): MD5 := 8ebd24e63fdfa07c557d45373bd831b1
 
+#######################################################################################################################
 # Architecture-specific rule target configuration
 
 CMAKE_TARGETS += amd64-ubuntu-builder
-$(OUT)/amd64-ubuntu-builder/cmake_rules.mk: TARGET := amd64-ubuntu-builder
+$(OUTDIR)/amd64-ubuntu-builder/cmakerules.mk: TARGET := amd64-ubuntu-builder
 
 CMAKE_TARGETS += amd64-debian-builder
-$(OUT)/amd64-debian-builder/cmake_rules.mk: TARGET := amd64-debian-builder
+$(OUTDIR)/amd64-debian-builder/cmakerules.mk: TARGET := amd64-debian-builder
 
 CMAKE_TARGETS += arm32v7-ubuntu-builder
-$(OUT)/arm32v7-ubuntu-builder/cmake_rules.mk: TARGET := arm32v7-ubuntu-builder
+$(OUTDIR)/arm32v7-ubuntu-builder/cmakerules.mk: TARGET := arm32v7-ubuntu-builder
 
 CMAKE_TARGETS += arm32v7-debian-builder
-$(OUT)/arm32v7-debian-builder/cmake_rules.mk: TARGET := arm32v7-debian-builder
-
-CMAKE_RULE_TARGETS += $(addsuffix /cmake_rules.mk,$(addprefix $(OUT)/,$(CMAKE_TARGETS)))
+$(OUTDIR)/arm32v7-debian-builder/cmakerules.mk: TARGET := arm32v7-debian-builder
 
 MEMCHECK_FILTER = $(call regex_march_distro,'$(HOST_MARCH)','.*')
 
 UBUNTU_FILTER = $(call regex_march_distro,'.*','ubuntu')
-UBUNTU_TARGETS = $(addprefix $(OUT)/docker/,$(call filter_targets,$(UBUNTU_FILTER),$(TARGETS)))
+UBUNTU_TARGETS = $(addprefix $(OUTDIR)/docker/,$(call filter_targets,$(UBUNTU_FILTER),$(TARGETS)))
 
 DEBIAN_FILTER = $(call regex_march_distro,'.*','debian')
-DEBIAN_TARGETS = $(addprefix $(OUT)/docker/,$(call filter_targets,$(DEBIAN_FILTER),$(TARGETS)))
+DEBIAN_TARGETS = $(addprefix $(OUTDIR)/docker/,$(call filter_targets,$(DEBIAN_FILTER),$(TARGETS)))
 
+#######################################################################################################################
 # Common rule target configuration
 
-CMAKEFLAGS += '-GNinja'
-CMAKEFLAGS += '-DCMAKE_BUILD_TYPE=$(BUILDTYPE)'
-
-BUILDSILENT := $(if $(BUILDVERBOSE),,1)
-$(BUILDSILENT)NINJAFLAGS += -v
-
 CURLFLAGS += -s
 
 DOCKER_RUNFLAGS += --device /dev/fuse
@@ -144,234 +112,30 @@ DOCKER_RUNFLAGS += --security-opt apparmor:unconfined
 DOCKER_RUNFLAGS += --cap-add SYS_PTRACE
 DOCKER_RUNFLAGS += --security-opt seccomp=unconfined
 
-DOCKER_RUNFLAGS += --user $(CONTAINER_USER):$(CONTAINER_GROUP)
-DOCKER_RUNFLAGS += --env SOURCE_DATE_EPOCH
-DOCKER_RUNFLAGS += --env BUILDTIME
-DOCKER_RUNFLAGS += --env NINJA_STATUS
-
 DOCKER_BUILDARGS += CODENAME=$(CODENAME)
-DOCKER_BUILDARGS += PARALLELMFLAGS=$(_PARALLELMFLAGS)
-DOCKER_BUILDARGS += USERID=$(USERID)
-DOCKER_BUILDARGS += PROJECT_ROOT=$(CONTAINER_PROJECT_ROOT)
-DOCKER_BUILDARGS += OUT=$(CONTAINER_OUT)
-DOCKER_BUILDARGS += REGISTRY_PREFIX=$(REGISTRY_PREFIX)
 
-DOCKER_BUILDFLAGS += $(addprefix --build-arg ,$(DOCKER_BUILDARGS))
+OUTDIRS += $(OUTDIR)/src
 
-OUT_DIRS += $(OUT)
-OUT_DIRS += $(OUT)/docker
-OUT_DIRS += $(OUT)/src
-
-CMAKE_TARGET := $(filter $(BUILDTARGET),$(CMAKE_TARGETS))
-$(CMAKE_TARGET)CMAKE_ACTIVE_TARGETS += $(CMAKE_TARGETS)
-CMAKE_ACTIVE_TARGETS += $(CMAKE_TARGET)
-
-CMAKE_BUILD_TARGETS += $(addprefix build-,$(CMAKE_TARGETS))
-CMAKE_CLEAN_TARGETS += $(addprefix clean-,$(CMAKE_TARGETS))
-CMAKE_CHECK_TARGETS += $(addprefix check-,$(CMAKE_TARGETS))
-CMAKE_MEMCHECK_TARGETS += $(addprefix memcheck-,$(call filter_targets,$(MEMCHECK_FILTER),$(CMAKE_TARGETS)))
-CMAKE_RUN_TARGETS += $(addprefix run-,$(firstword $(CMAKE_TARGETS)))
-CMAKE_DISCOVER_CC_TARGETS += $(addprefix discover-cc-,$(firstword $(CMAKE_TARGETS)))
-CMAKE_TARGETS := $(call filter_targets,$(FILTER),$(CMAKE_ACTIVE_TARGETS))
-CMAKE_OUT_DIRS += $(addsuffix /$(BUILDTYPE),$(addprefix $(OUT)/,$(CMAKE_TARGETS)))
-
-EXTRACT_TARGETS += $(patsubst $(OUT)/%.tar.gz,$(OUT)/src/%,$(FETCH_TARGETS))
-BUILD_TARGETS += $(CMAKE_BUILD_TARGETS)
-CHECK_TARGETS += $(CMAKE_CHECK_TARGETS)
-MEMCHECK_TARGETS += $(CMAKE_MEMCHECK_TARGETS)
-CLEAN_TARGETS += $(CMAKE_CLEAN_TARGETS)
-RUN_TARGETS += $(CMAKE_RUN_TARGETS)
-DISCOVER_CC_TARGETS += $(CMAKE_DISCOVER_CC_TARGETS)
-RULE_TARGETS += $(CMAKE_RULE_TARGETS)
-TARGETS += $(CMAKE_TARGETS)
-OUT_DIRS += $(CMAKE_OUT_DIRS)
-
-OUT_DIRS := $(sort $(OUT_DIRS))
-TARGETS := $(sort $(TARGETS))
-TASKS := $(words $(if $(TARGETS),$(TARGETS),_))
-
-DISBALE_OSYNC ?= $(filter 1,$(TASKS))
-$(DISBALE_OSYNC)GNUMAKEFLAGS += --output-sync
-
-_NPROC = $(NPROC)
-ifeq ($(strip $(_NPROC)),)
-_NPROC = $(shell nproc)
-endif
-_PARALLELMFLAGS := $(addprefix -j,$(shell echo "$$(($(_NPROC)/$(TASKS)))"))
+EXTRACT_TARGETS += $(patsubst $(OUTDIR)/%.tar.gz,$(OUTDIR)/src/%,$(FETCH_TARGETS))
 
+#######################################################################################################################
 # Makefile dependencies
 
-MAKEDEPS += $(DOCKER)
-MAKEDEPS += id
-MAKEDEPS += cat
-MAKEDEPS += cp
-MAKEDEPS += rm
-MAKEDEPS += mkdir
-MAKEDEPS += sed
-MAKEDEPS += chmod
-MAKEDEPS += test
-MAKEDEPS += touch
-MAKEDEPS += curl
-MAKEDEPS += tar
-MAKEDEPS += gunzip
-
-MISSING_MAKEDEPS := $(call filter_out_command,$(MAKEDEPS))
-
-# Common macros
-
-echo_if_silent = VERBOSE=1
-$(VERBOSE)echo_if_silent = echo $1
-$(VERBOSE)SILENT := @
-
-curl = $(call echo_if_silent,curl -fSL $(CURLFLAGS) -o $1 $2) \
-  && curl -fSL $(CURLFLAGS) -o $1 $2 \
-  && { \
-       if [ -n "$3" ]; then \
-         echo "$3\t$1" > $1.md5; \
-         md5sum -c $1.md5; \
-       else \
-         echo 'warning:$1: no md5 skipping verification' 1>&2; \
-       fi; \
-     }
-
-$(HOST_CONTAINER)image_run_volumes += --volume '$(realpath $(PROJECT_ROOT)):$(CONTAINER_PROJECT_ROOT):cached'
-$(HOST_CONTAINER)image_run_volumes += --volume '$(realpath $(OUT)/$1):$(CONTAINER_OUT)/$1:delegated'
-image_run_volumes += $(addprefix --volumes-from ,$2)
-
-image_name = $(REGISTRY_PREFIX)$(subst -,/,$1)/$(PROJECT_NAME)$(addprefix :,$(VERSION))
-image_run = $(DOCKER) run --rm --interactive $(DOCKER_RUNFLAGS) \
-  $(call image_run_volumes,$1,$(HOST_CONTAINER)) \
-  $(addprefix --cgroup-parent ,$(CONTAINER_CGROUP_PARENT)) \
-  --workdir '$(CONTAINER_OUT)/$1/$(BUILDTYPE)' \
-  $3 \
-  $(call image_name,$1) \
-  $2
-
-image_rule = \
-  $$(OUT)/docker/$1: $$(OUT)/docker/$1.dockerfile $$(EXTRACT_TARGETS) $$(PROJECT_ROOT)/Makefile; \
-    $$(SILENT)$$(call image,$1)
-image = \
-     $(call echo_if_silent,TARGET=$1 docker build $(call image_name,$1) $(OUT)) \
-  && $(DOCKER) build --rm $(DOCKER_BUILDFLAGS) --iidfile $@ --file $< --tag $(call image_name,$1) $(OUT)
-
-cmake_configure_rule = \
-  $$(OUT)/$1/$$(BUILDTYPE)/CMakeCache.txt: $$(PROJECT_ROOT)/CMakeLists.txt $$(OUT)/docker/$1 | $$(OUT)/$1/$$(BUILDTYPE)/gdbserver; \
-    $$(SILENT)$$(call cmake_configure,$1)
-cmake_configure = \
-     $(call run,$1,sh -c 'cmake $(CMAKEFLAGS) $(CONTAINER_PROJECT_ROOT) && $(CONTAINER_PROJECT_ROOT)/build/cmake_discover_cc_settings.sh $(notdir $@) $(realpath $(dir $@))') \
-  && touch $(addprefix $(dir $@)/,include_dirs.txt) $@
-
-ninja_build_rule = \
-  build-$1: $$(OUT)/$1/$$(BUILDTYPE)/CMakeCache.txt; \
-    $$(SILENT)$$(call ninja_build,$1)
-ninja_build = $(call run,$1,ninja $(_PARALLELMFLAGS) $(NINJAFLAGS) $(GOALS))
-
-check_rule = \
-  check-$1: build-$1;
-
-ctest_memcheck_rule = \
-  memcheck-$1: build-$1; \
-    $$(SILENT)$$(call ctest_memcheck,$1)
-ctest_memcheck = $(call run,$1,ctest -T memcheck $(CTESTFLAGS))
-
-run_rule = \
-  run-$1: $$(OUT)/docker/$1; \
-    $$(SILENT)$$(call run,$1,bash,--tty) || true
-run = $(call echo_if_silent,TARGET=$1 BUILDTYPE=$(BUILDTYPE) $2) && $(call image_run,$1,$2,$3)
-
-clean_rule = \
-  clean-$1: ; \
-    $$(SILENT)-$$(call clean,$1)
-clean = rm -rf $(OUT)/$1
-
-cmake_discover_cc_settings_rule = \
-  $$(OUT)/$1/$$(BUILDTYPE)/include_dirs.txt: $$(OUT)/$1/$$(BUILDTYPE)/CMakeCache.txt; \
-    $$(SILENT)$$(call cmake_discover_cc_settings,$1)
-cmake_discover_cc_settings = \
-  $(call run,$1,$(CONTAINER_PROJECT_ROOT)/build/cmake_discover_cc_settings.sh $(notdir $<) $(realpath $(dir $<)))
-
-discover_cc_rule = \
-  discover-cc-$1: $$(OUT)/$1/$$(BUILDTYPE)/include_dirs.txt; \
-    $$(SILENT)$$(call discover_cc,$1)
-discover_cc = cat $<
-
-wrapper_rule = \
-  $$(OUT)/$1/$$(BUILDTYPE)/gdbserver: $$(PROJECT_ROOT)/build/run_image.sh.template $$(OUT)/docker/$1; \
-    $$(SILENT)$$(call wrapper,$1)
-wrapper = \
-     $(call echo_if_silent,generating $@) \
-  && sed \
-       -e 's@%PROJECT_ROOT%@$(abspath $(PROJECT_ROOT))@g' \
-       -e 's@%DOCKER%@$(DOCKER)@g' \
-       -e 's@%RUNFLAGS%@$(DOCKER_RUNFLAGS) $(call image_run_volumes,$1)@g' \
-       -e 's@%IMAGE%@$(call image_name,$1)@g' \
-       -e 's@%RUNCMD%@$(notdir $@)@g' \
-       $< > $@ \
-  && chmod +x $@
+MAKEFILE_DEPS += curl
+MAKEFILE_DEPS += gunzip
+MAKEFILE_DEPS += tar
+MAKEFILE_DEPS += chmod
+MAKEFILE_DEPS += touch
+MAKEFILE_DEPS += test
+MAKEFILE_DEPS += cp
+MAKEFILE_DEPS += sed
 
+#######################################################################################################################
 # Rules
 
-ifneq ($(MAKECMDGOALS),distclean)
--include $(RULE_TARGETS)
-endif
-
-$(RULE_TARGETS): $(PROJECT_ROOT)/Makefile | $(MISSING_MAKEDEPS) $(OUT_DIRS)
-
-$(CMAKE_RULE_TARGETS):
-	$(SILENT) \
-	{ \
-	  echo '$(call image_rule,$(TARGET))'; \
-	  echo; \
-	  echo '$(call cmake_configure_rule,$(TARGET))'; \
-	  echo; \
-	  echo '$(call ninja_build_rule,$(TARGET))'; \
-	  echo; \
-	  echo '$(call check_rule,$(TARGET))'; \
-	  echo; \
-	  echo '$(call ctest_memcheck_rule,$(TARGET))'; \
-	  echo; \
-	  echo '$(call run_rule,$(TARGET))'; \
-	  echo; \
-	  echo '$(call clean_rule,$(TARGET))'; \
-	  echo; \
-	  echo '$(call cmake_discover_cc_settings_rule,$(TARGET))'; \
-	  echo; \
-	  echo '$(call discover_cc_rule,$(TARGET))'; \
-	  echo; \
-	  echo '$(call wrapper_rule,$(TARGET))'; \
-	} > $@
-
-.PHONY: all build-%
-all: $(BUILD_TARGETS);
-
-.PHONY: check check-%
-check: $(CHECK_TARGETS);
-
-.PHONY: memcheck memcheck-%
-memcheck: $(MEMCHECK_TARGETS);
-
-.PHONY: lint lint-%
-lint: $(LINT_TARGETS);
-
-.PHONY: run run-%
-run: $(RUN_TARGETS);
-
-.PHONY: clean clean-%
-clean: $(CLEAN_TARGETS);
-
-.PHONY: get-deps get-deps-%
-get-deps: $(EXTRACT_TARGETS);
-
-.PHONY: discover-cc discover-cc-%
-discover-cc: $(DISCOVER_CC_TARGETS);
-
-.PHONY: distclean
-distclean:
-	$(SILENT)-rm -rf $(OUT_DIRS)
-
-.PHONY: debug-print-%
-debug-print-%:
-	@printf '%s\n' '$*:' $($*)
+include $(SCRIPTDIR)/cmake.mk
+include $(SCRIPTDIR)/docker.mk
+include $(SCRIPTDIR)/standardrules.mk
 
 $(CHECK_TARGETS): GOALS := test
 
@@ -379,26 +143,20 @@ $(UBUNTU_TARGETS): CODENAME := $(UBUNTU_CODENAME)
 
 $(DEBIAN_TARGETS): CODENAME := $(DEBIAN_CODENAME)
 
-$(OUT)/docker/qemu-arm-static-$(QEMU_VERSION): $(PROJECT_ROOT)/Makefile
+$(OUTDIR)/docker/qemu-arm-static-$(QEMU_VERSION): $(MAKEFILE)
 	$(SILENT)$(call curl,$@,$(URL),$(MD5)) && chmod +x $@ 
 
-$(OUT)/docker/% : $(PROJECT_ROOT)/build/% | $(OUT_DIRS)
+$(OUTDIR)/docker/% : $(SCRIPTDIR)/% | $(OUTDIRS)
 	cp $< $@
 
-$(OUT)/%.tar.gz: $(PROJECT_ROOT)/Makefile | $(OUT_DIRS)
+$(OUTDIR)/%.tar.gz: $(MAKEFILE) | $(OUTDIRS)
 	$(SILENT)$(call curl,$@,$(URL),$(MD5))
 
-$(OUT)/src/%: $(OUT)/%.tar.gz | $(OUT_DIRS)
+$(OUTDIR)/src/%: $(OUTDIR)/%.tar.gz | $(OUTDIRS)
 	$(SILENT) \
 	     $(call echo_if_silent,tar -C $(dir $@) -xf $<) \
 	  && tar -C $(dir $@) -xf $< \
 	  && touch $@
 
-$(OUT_DIRS):
-	$(SILENT)mkdir -p $@
-
-$(MISSING_MAKEDEPS):
-	$(error 'required commands $(MISSING_MAKEDEPS) not found; install appropriate packages e.g. docker-ce, busybox and curl')
-
 .DELETE_ON_ERROR: $(FETCH_TARGETS)
 
diff --git a/build/amd64-debian-builder.dockerfile b/build/amd64-debian-builder.dockerfile
index ea3c6b8..9d451b9 100644
--- a/build/amd64-debian-builder.dockerfile
+++ b/build/amd64-debian-builder.dockerfile
@@ -90,15 +90,16 @@ ENV LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
 
 ARG USERID=1000
 
-ARG PROJECT_ROOT=/workspace/src
-ARG OUT=/workspace/out
+ARG PROJECTDIR=/workspace/src
+ARG OUTDIR=/workspace/out
+ARG SCRIPTDIR=/workspace/bin
 
 RUN set -x \
   && useradd -u "$USERID" -ms /bin/bash user \
-  && mkdir -p "$PROJECT_ROOT" "$OUT" \
-  && chown user:user "$PROJECT_ROOT" "$OUT"
+  && mkdir -p "$PROJECTDIR" "$OUTDIR" "$SCRIPTDIR" \
+  && chown user:user "$PROJECTDIR" "$OUTDIR" "$SCRIPTDIR"
 
-WORKDIR "$OUT"
+WORKDIR "$OUTDIR"
 
 ENTRYPOINT ["dumb-init", "--"]
 
diff --git a/build/amd64-ubuntu-builder.dockerfile b/build/amd64-ubuntu-builder.dockerfile
index 46780fe..bc8d310 100644
--- a/build/amd64-ubuntu-builder.dockerfile
+++ b/build/amd64-ubuntu-builder.dockerfile
@@ -90,15 +90,16 @@ ENV LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
 
 ARG USERID=1000
 
-ARG PROJECT_ROOT=/workspace/src
-ARG OUT=/workspace/out
+ARG PROJECTDIR=/workspace/src
+ARG OUTDIR=/workspace/out
+ARG SCRIPTDIR=/workspace/bin
 
 RUN set -x \
   && useradd -u "$USERID" -ms /bin/bash user \
-  && mkdir -p "$PROJECT_ROOT" "$OUT" \
-  && chown user:user "$PROJECT_ROOT" "$OUT"
+  && mkdir -p "$PROJECTDIR" "$OUTDIR" "$SCRIPTDIR" \
+  && chown user:user "$PROJECTDIR" "$OUTDIR" "$SCRIPTDIR"
 
-WORKDIR "$OUT"
+WORKDIR "$OUTDIR"
 
 ENTRYPOINT ["dumb-init", "--"]
 
diff --git a/build/arm32v7-debian-builder.dockerfile b/build/arm32v7-debian-builder.dockerfile
index 4d856af..b34fdfa 100644
--- a/build/arm32v7-debian-builder.dockerfile
+++ b/build/arm32v7-debian-builder.dockerfile
@@ -93,15 +93,16 @@ ENV LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
 
 ARG USERID=1000
 
-ARG PROJECT_ROOT=/workspace/src
-ARG OUT=/workspace/out
+ARG PROJECTDIR=/workspace/src
+ARG OUTDIR=/workspace/out
+ARG SCRIPTDIR=/workspace/bin
 
 RUN set -x \
   && useradd -u "$USERID" -ms /bin/bash user \
-  && mkdir -p "$PROJECT_ROOT" "$OUT" \
-  && chown user:user "$PROJECT_ROOT" "$OUT"
+  && mkdir -p "$PROJECTDIR" "$OUTDIR" "$SCRIPTDIR" \
+  && chown user:user "$PROJECTDIR" "$OUTDIR" "$SCRIPTDIR"
 
-WORKDIR "$OUT"
+WORKDIR "$OUTDIR"
 
 ENTRYPOINT ["dumb-init", "--"]
 
diff --git a/build/arm32v7-ubuntu-builder.dockerfile b/build/arm32v7-ubuntu-builder.dockerfile
index f1f88bb..a2e1cd7 100644
--- a/build/arm32v7-ubuntu-builder.dockerfile
+++ b/build/arm32v7-ubuntu-builder.dockerfile
@@ -93,15 +93,16 @@ ENV LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
 
 ARG USERID=1000
 
-ARG PROJECT_ROOT=/workspace/src
-ARG OUT=/workspace/out
+ARG PROJECTDIR=/workspace/src
+ARG OUTDIR=/workspace/out
+ARG SCRIPTDIR=/workspace/bin
 
 RUN set -x \
   && useradd -u "$USERID" -ms /bin/bash user \
-  && mkdir -p "$PROJECT_ROOT" "$OUT" \
-  && chown user:user "$PROJECT_ROOT" "$OUT"
+  && mkdir -p "$PROJECTDIR" "$OUTDIR" "$SCRIPTDIR" \
+  && chown user:user "$PROJECTDIR" "$OUTDIR" "$SCRIPTDIR"
 
-WORKDIR "$OUT"
+WORKDIR "$OUTDIR"
 
 ENTRYPOINT ["dumb-init", "--"]
 
diff --git a/build/cmake.mk b/build/cmake.mk
new file mode 100644
index 0000000..cbcc98d
--- /dev/null
+++ b/build/cmake.mk
@@ -0,0 +1,109 @@
+CURRENT_MAKEFILE := $(lastword $(MAKEFILE_LIST)))
+
+#######################################################################################################################
+# Overridable CMake defaults
+
+filter_targets ?= $2
+
+CMAKE_BUILD_TYPE ?= $(BUILDTYPE)
+CMAKE_MEMCHECK_FILTER ?= $(MEMCHECK_FILTER)
+CMAKE_PROJECTDIR ?= $(CONTAINER_PROJECTDIR)
+CMAKE_SCRIPTDIR ?= $(CONTAINER_SCRIPTDIR)
+
+ifndef _INCLUDE_DEFAULTS
+include $(realpath $(dir $(CURRENT_MAKEFILE)))/defaults.mk
+endif
+
+#######################################################################################################################
+# CMake macros
+
+cmake_configure_rule = \
+  $$(OUTDIR)/$1/$$(CMAKE_BUILD_TYPE)/CMakeCache.txt: $$(PROJECTDIR)/CMakeLists.txt $$(OUTDIR)/docker/$1 | $$(OUTDIR)/$1/$$(CMAKE_BUILD_TYPE)/gdbserver; \
+    $$(SILENT)$$(call cmake_configure,$1)
+cmake_configure = \
+     $(call run,$1,sh -c 'cmake $(CMAKEFLAGS) $(CMAKE_PROJECTDIR) && $(CMAKE_SCRIPTDIR)/cmake_discover_cc_settings.sh $(notdir $@) $(realpath $(dir $@))') \
+  && touch $(addprefix $(dir $@)/,include_dirs.txt) $@
+
+cmake_discover_cc_settings_rule = \
+  $$(OUTDIR)/$1/$$(CMAKE_BUILD_TYPE)/include_dirs.txt: $$(OUTDIR)/$1/$$(CMAKE_BUILD_TYPE)/CMakeCache.txt; \
+    $$(SILENT)$$(call cmake_discover_cc_settings,$1)
+cmake_discover_cc_settings = \
+  $(call run,$1,$(CMAKE_SCRIPTDIR)/cmake_discover_cc_settings.sh $(notdir $<) $(realpath $(dir $<)))
+
+ninja_build_rule = \
+  build-$1: $$(OUTDIR)/$1/$$(CMAKE_BUILD_TYPE)/CMakeCache.txt; \
+    $$(SILENT)$$(call ninja_build,$1)
+ninja_build = $(call run,$1,ninja $(_PARALLELMFLAGS) $(NINJAFLAGS) $(GOALS))
+
+ctest_memcheck_rule = \
+  memcheck-$1: build-$1; \
+    $$(SILENT)$$(call ctest_memcheck,$1)
+ctest_memcheck = $(call run,$1,ctest -T memcheck $(CTESTFLAGS))
+
+#######################################################################################################################
+# CMake rule target configuration
+
+$(BUILDSILENT)NINJAFLAGS += -v
+
+DOCKER_RUNFLAGS += --env NINJA_STATUS
+
+CMAKEFLAGS += '-GNinja'
+CMAKEFLAGS += '-DCMAKE_BUILD_TYPE=$(CMAKE_BUILD_TYPE)'
+
+CMAKE_TARGET := $(filter $(BUILDTARGET),$(CMAKE_TARGETS))
+$(CMAKE_TARGET)CMAKE_ACTIVE_TARGETS += $(CMAKE_TARGETS)
+CMAKE_ACTIVE_TARGETS += $(CMAKE_TARGET)
+CMAKE_TARGETS := $(call filter_targets,$(FILTER),$(CMAKE_ACTIVE_TARGETS))
+
+CMAKE_BUILD_TARGETS += $(addprefix build-,$(CMAKE_TARGETS))
+CMAKE_CLEAN_TARGETS += $(addprefix clean-,$(CMAKE_TARGETS))
+CMAKE_CHECK_TARGETS += $(addprefix check-,$(CMAKE_TARGETS))
+CMAKE_MEMCHECK_TARGETS += $(addprefix memcheck-,$(call filter_targets,$(CMAKE_MEMCHECK_FILTER),$(CMAKE_TARGETS)))
+CMAKE_RUN_TARGETS += $(addprefix run-,$(firstword $(CMAKE_TARGETS)))
+CMAKE_DISCOVER_CC_TARGETS += $(addprefix discover-cc-,$(firstword $(CMAKE_TARGETS)))
+CMAKE_OUTDIRS += $(addsuffix /$(CMAKE_BUILD_TYPE),$(addprefix $(OUTDIR)/,$(CMAKE_TARGETS)))
+CMAKE_RULE_TARGETS += $(addsuffix /cmakerules.mk,$(addprefix $(OUTDIR)/,$(CMAKE_TARGETS)))
+
+BUILD_TARGETS += $(CMAKE_BUILD_TARGETS)
+CHECK_TARGETS += $(CMAKE_CHECK_TARGETS)
+MEMCHECK_TARGETS += $(CMAKE_MEMCHECK_TARGETS)
+CLEAN_TARGETS += $(CMAKE_CLEAN_TARGETS)
+RUN_TARGETS += $(CMAKE_RUN_TARGETS)
+DISCOVER_CC_TARGETS += $(CMAKE_DISCOVER_CC_TARGETS)
+RULE_TARGETS += $(CMAKE_RULE_TARGETS)
+TARGETS += $(CMAKE_TARGETS)
+OUTDIRS += $(CMAKE_OUTDIRS)
+
+#######################################################################################################################
+# Makefile dependencies
+
+MAKEFILE_DEPS += touch
+MAKEFILE_DEPS += echo
+
+#######################################################################################################################
+# CMake rules
+
+$(CMAKE_RULE_TARGETS):
+	$(SILENT) \
+	{ \
+	  echo '$(call image_rule,$(TARGET))'; \
+	  echo; \
+	  echo '$(call cmake_configure_rule,$(TARGET))'; \
+	  echo; \
+	  echo '$(call ninja_build_rule,$(TARGET))'; \
+	  echo; \
+	  echo '$(call check_rule,$(TARGET))'; \
+	  echo; \
+	  echo '$(call ctest_memcheck_rule,$(TARGET))'; \
+	  echo; \
+	  echo '$(call run_rule,$(TARGET))'; \
+	  echo; \
+	  echo '$(call clean_rule,$(TARGET))'; \
+	  echo; \
+	  echo '$(call cmake_discover_cc_settings_rule,$(TARGET))'; \
+	  echo; \
+	  echo '$(call discover_cc_rule,$(TARGET))'; \
+	  echo; \
+	  echo '$(call wrapper_rule,$(TARGET))'; \
+	} > $@
+
diff --git a/build/defaults.mk b/build/defaults.mk
new file mode 100644
index 0000000..ad9606f
--- /dev/null
+++ b/build/defaults.mk
@@ -0,0 +1,56 @@
+CURRENT_MAKEFILE := $(lastword $(MAKEFILE_LIST)))
+_INCLUDE_DEFAULTS := T
+
+#######################################################################################################################
+# Overridable common defaults
+
+# NOTE: default assumes first loaded makefile is located in root directory of project
+MAKEFILE ?= $(firstword $(MAKEFILE_LIST))
+MAKEFILE := $(MAKEFILE)
+
+PROJECTDIR ?= $(realpath $(dir $(MAKEFILE)))
+SCRIPTDIR ?= $(realpath $(dir $(CURRENT_MAKEFILE)))
+OUTDIR ?= $(PROJECTDIR)/.build
+
+BUILDTYPE ?= Debug
+
+BUILDVERBOSE ?= 
+BUILDSILENT := $(if $(BUILDVERBOSE),,1)
+
+VERSION ?= $(shell cat $(PROJECTDIR)/VERSION)
+VERSION := $(VERSION)
+
+USERID ?= $(shell id -u)
+USERID := $(USERID)
+
+HOST_MARCH ?= $(shell dpkg --print-architecture 2>/dev/null)
+HOST_CONTAINER ?= $(shell $(SCRIPTDIR)/get_container_id.sh)
+HOST_CONTAINER := $(HOST_CONTAINER)
+
+$(HOST_CONTAINER)PORTABLE_WORSPACE ?= 
+CONTAINER_PROJECTDIR ?= /workspace/src
+CONTAINER_SCRIPTDIR ?= /workspace/bin
+CONTAINER_OUTDIR ?= /workspace/out
+$(PORTABLE_WORSPACE)CONTAINER_PROJECTDIR = $(abspath $(PROJECTDIR))
+$(PORTABLE_WORSPACE)CONTAINER_SCRIPTDIR = $(abspath $(SCRIPTDIR))
+$(PORTABLE_WORSPACE)CONTAINER_OUTDIR = $(abspath $(OUTDIR))
+
+SOURCE_DATE_EPOCH ?= $(shell $(SCRIPTDIR)/get_source_date_epoch.sh)
+SOURCE_DATE_EPOCH := $(SOURCE_DATE_EPOCH)
+export SOURCE_DATE_EPOCH
+
+BUILDTIME ?= $(shell date -u -d '@$(SOURCE_DATE_EPOCH)' --rfc-3339 ns 2>/dev/null | sed -e 's/ /T/')
+BUILDTIME := $(BUILDTIME)
+export BUILDTIME
+
+VERBOSE ?= 
+PARALLELMFLAGS ?= 
+NPROC ?= $(shell echo '$(PARALLELMFLAGS)' | sed -n -e 's@.*-j.*\([0-9]\+\)@\1@p')
+
+#######################################################################################################################
+# Makefile dependencies
+
+MAKEFILE_DEPS += cat
+MAKEFILE_DEPS += id
+MAKEFILE_DEPS += echo
+MAKEFILE_DEPS += sed
diff --git a/build/docker.mk b/build/docker.mk
new file mode 100644
index 0000000..3ad2224
--- /dev/null
+++ b/build/docker.mk
@@ -0,0 +1,87 @@
+CURRENT_MAKEFILE := $(lastword $(MAKEFILE_LIST))
+
+#######################################################################################################################
+# Overridable docker defaults
+
+DOCKER ?= docker
+DOCKER_BUILDKIT ?= 
+
+CONTAINER_CGROUP_PARENT ?= 
+CONTAINER_USER ?= $(USERID)
+CONTAINER_GROUP ?= $(USERID)
+
+ifndef _INCLUDE_DEFAULTS
+include $(realpath $(dir $(CURRENT_MAKEFILE)))/defaults.mk
+endif
+
+#######################################################################################################################
+# Docker macros
+
+image_run_volumes += $(addprefix --volumes-from ,$2)
+
+image_name = $(REGISTRY_PREFIX)$(subst -,/,$1)/$(PROJECTNAME)$(addprefix :,$(VERSION))
+
+image_run = $(DOCKER) run --rm --interactive $(DOCKER_RUNFLAGS) \
+  $(call image_run_volumes,$1,$(HOST_CONTAINER)) \
+  $(addprefix --cgroup-parent ,$(CONTAINER_CGROUP_PARENT)) \
+  --workdir '$(CONTAINER_OUTDIR)/$1/$(BUILDTYPE)' \
+  $3 \
+  $(call image_name,$1) \
+  $2
+
+image_rule = \
+  $$(OUTDIR)/docker/$1: $$(OUTDIR)/docker/$1.dockerfile $$(EXTRACT_TARGETS) $$(MAKEFILE_LIST); \
+    $$(SILENT)$$(call image,$1)
+image = \
+     $(call echo_if_silent,TARGET=$1 docker build $(call image_name,$1) $(OUTDIR)) \
+  && $(DOCKER) build --rm $(DOCKER_BUILDFLAGS) --iidfile $@ --file $< --tag $(call image_name,$1) $(OUTDIR)
+
+run_rule = \
+  run-$1: $$(OUTDIR)/docker/$1; \
+    $$(SILENT)$$(call run,$1,bash,--tty) || true
+run = $(call echo_if_silent,TARGET=$1 $(addprefix BUILDTYPE=,$(BUILDTYPE)) $2) && $(call image_run,$1,$2,$3)
+
+wrapper_rule = \
+  $$(OUTDIR)/$1/$$(BUILDTYPE)/gdbserver: $$(SCRIPTDIR)/run_image.sh.template $$(OUTDIR)/docker/$1; \
+    $$(SILENT)$$(call wrapper,$1)
+wrapper = \
+     $(call echo_if_silent,generating $@) \
+  && sed \
+       -e 's@%PROJECTDIR%@$(abspath $(PROJECTDIR))@g' \
+       -e 's@%SCRIPTDIR%@$(abspath $(SCRIPTDIR))@g' \
+       -e 's@%DOCKER%@$(DOCKER)@g' \
+       -e 's@%RUNFLAGS%@$(DOCKER_RUNFLAGS) $(call image_run_volumes,$1)@g' \
+       -e 's@%IMAGE%@$(call image_name,$1)@g' \
+       -e 's@%RUNCMD%@$(notdir $@)@g' \
+       $< > $@ \
+  && chmod +x $@
+
+#######################################################################################################################
+# Docker rule target configuration
+
+DOCKER_RUNFLAGS += --env SOURCE_DATE_EPOCH
+DOCKER_RUNFLAGS += --env BUILDTIME
+DOCKER_RUNFLAGS += --user $(CONTAINER_USER):$(CONTAINER_GROUP)
+
+DOCKER_BUILDARGS += USERID=$(USERID)
+DOCKER_BUILDARGS += PARALLELMFLAGS=$(_PARALLELMFLAGS)
+DOCKER_BUILDARGS += PROJECTDIR=$(CONTAINER_PROJECTDIR)
+DOCKER_BUILDARGS += SCRIPTDIR=$(CONTAINER_SCRIPTDIR)
+DOCKER_BUILDARGS += OUTDIR=$(CONTAINER_OUTDIR)
+DOCKER_BUILDARGS += REGISTRY_PREFIX=$(REGISTRY_PREFIX)
+
+DOCKER_BUILDFLAGS += $(addprefix --build-arg ,$(DOCKER_BUILDARGS))
+
+OUTDIRS += $(OUTDIR)/docker
+
+$(HOST_CONTAINER)image_run_volumes += --volume '$(realpath $(PROJECTDIR)):$(CONTAINER_PROJECTDIR):cached'
+$(HOST_CONTAINER)image_run_volumes += --volume '$(realpath $(SCRIPTDIR)):$(CONTAINER_SCRIPTDIR):cached'
+$(HOST_CONTAINER)image_run_volumes += --volume '$(realpath $(OUTDIR)/$1):$(CONTAINER_OUTDIR)/$1:delegated'
+
+#######################################################################################################################
+# Makefile dependencies
+
+MAKEFILE_DEPS += $(DOCKER)
+MAKEFILE_DEPS += sed
+MAKEFILE_DEPS += chmod
+
diff --git a/build/docker_compose.sh b/build/docker_compose.sh
index 507b0c0..fb5e1a7 100755
--- a/build/docker_compose.sh
+++ b/build/docker_compose.sh
@@ -8,8 +8,8 @@ VERSION="${VERSION:-1.24.0}"
 IMAGE="${IMAGE:-${REGISTRY_PREFIX}docker/compose:${VERSION}}"
 NETWORK="${NETWORK:-host}"
 USERID="${USERID:-$(id -u)}"
-SCRIPT_ROOT="${SCRIPT_ROOT:-"$(cd "$(dirname "$0")" && echo "$PWD")"}"
-PROJECT_ROOT="${PROJECT_ROOT:-"$(cd "$SCRIPT_ROOT/.." && echo "$PWD")"}"
+SCRIPTDIR="${SCRIPTDIR:-"$(cd "$(dirname "$0")" && echo "$PWD")"}"
+PROJECTDIR="${PROJECTDIR:-"$PWD"}"
 ENTRYPOINT="${ENTRYPOINT:-docker-compose}"
 HOST_ENVFILTER="${HOST_ENVFILTER:-^DOCKER_\|^COMPOSE_}"
 
@@ -24,11 +24,11 @@ if [ -n "$CONTAINER_CGROUP_PARENT" ]; then
   set -- --cgroup-parent "$CONTAINER_CGROUP_PARENT" "$@"
 fi
 
-HOST_CONTAINER="${HOST_CONTAINER:-"$("$SCRIPT_ROOT/get_container_id.sh")"}" || true
+HOST_CONTAINER="${HOST_CONTAINER:-"$("$SCRIPTDIR/get_container_id.sh")"}" || true
 if [ -n "$HOST_CONTAINER" ]; then
   set -- --volumes-from "$HOST_CONTAINER" "$@"
 else
-  set -- --volume "$PROJECT_ROOT:$PROJECT_ROOT:cached" "$@"
+  set -- --volume "$PROJECTDIR:$PROJECTDIR:cached" "$@"
 fi
 
 # setup options for connection to docker host
@@ -39,7 +39,7 @@ else
   set -- -e DOCKER_HOST -e DOCKER_TLS_VERIFY -e DOCKER_CERT_PATH "$@"
 fi
 
-if [ -t 0 ] && ! "$SCRIPT_ROOT/is_running_in_bg.sh" $$; then
+if [ -t 0 ] && ! "$SCRIPTDIR/is_running_in_bg.sh" $$; then
   set -- --interactive "$@"
 fi
 
diff --git a/build/run_image.sh.template b/build/run_image.sh.template
index 9b041ae..1aa443d 100644
--- a/build/run_image.sh.template
+++ b/build/run_image.sh.template
@@ -5,15 +5,10 @@ set -e
 DOCKER="${DOCKER:-%DOCKER%}"
 IMAGE="${IMAGE:-%IMAGE%}"
 NETWORK="${NETWORK:-host}"
-PROJECT_ROOT="${PROJECT_ROOT:-%PROJECT_ROOT%}"
-SCRIPT_ROOT="${SCRIPT_ROOT:-"$PROJECT_ROOT/build"}"
+PROJECTDIR="${PROJECTDIR:-%PROJECTDIR%}"
+SCRIPTDIR="${SCRIPTDIR:-%SCRIPTDIR%}"
 ENTRYPOINT="${ENTRYPOINT:-%RUNCMD%}"
 
-if [ ! -d "$SCRIPT_ROOT" ]; then
-  echo "error:$0: $SCRIPT_ROOT not found; set project root (PROJECT_ROOT=)" 1>&2
-  exit 1
-fi
-
 set -- --entrypoint "$ENTRYPOINT" "$IMAGE" "$@"
 set -- --network "$NETWORK" --workdir "$PWD" "$@"
 
@@ -29,16 +24,16 @@ if [ -n "$CONTAINER_CGROUP_PARENT" ]; then
   set -- --cgroup-parent "$CONTAINER_CGROUP_PARENT" "$@"
 fi
 
-HOST_CONTAINER="${HOST_CONTAINER:-"$("$SCRIPT_ROOT/get_container_id.sh")"}" || true
+HOST_CONTAINER="${HOST_CONTAINER:-"$("$SCRIPTDIR/get_container_id.sh")"}" || true
 if [ -n "$HOST_CONTAINER" ]; then
   set -- --volumes-from "$HOST_CONTAINER" "$@"
 else
-  set -- --volume "$PROJECT_ROOT:$PROJECT_ROOT:cached" "$@"
+  set -- --volume "$PROJECTDIR:$PROJECTDIR:cached" "$@"
 fi
 
 set -- %RUNFLAGS% "$@"
 
-if [ -t 0 ] && ! "$SCRIPT_ROOT/is_running_in_bg.sh" $$; then
+if [ -t 0 ] && ! "$SCRIPTDIR/is_running_in_bg.sh" $$; then
   set -- --interactive "$@"
 fi
 
diff --git a/build/standardrules.mk b/build/standardrules.mk
new file mode 100644
index 0000000..28ee65d
--- /dev/null
+++ b/build/standardrules.mk
@@ -0,0 +1,117 @@
+
+#######################################################################################################################
+# Overridable defaults
+
+ifndef _INCLUDE_DEFAULTS
+include $(realpath $(dir $(CURRENT_MAKEFILE)))/defaults.mk
+endif
+
+#######################################################################################################################
+# Standard macros
+
+echo_if_silent = VERBOSE=1
+$(VERBOSE)echo_if_silent = echo $1
+$(VERBOSE)SILENT := @
+
+filter_out_command ?= $(filter $1,$(foreach CMD,$1,$(shell command -v $(CMD) 2>&1 1>/dev/null || echo $(CMD))))
+
+curl = $(call echo_if_silent,curl -fSL $(CURLFLAGS) -o $1 $2) \
+  && curl -fSL $(CURLFLAGS) -o $1 $2 \
+  && { \
+       if [ -n "$3" ]; then \
+         echo "$3\t$1" > $1.md5; \
+         md5sum -c $1.md5; \
+       else \
+         echo 'warning:$1: no md5 skipping verification' 1>&2; \
+       fi; \
+     }
+
+check_rule = \
+  check-$1: build-$1;
+
+clean_rule = \
+  clean-$1: ; \
+    $$(SILENT)-$$(call clean,$1)
+clean = rm -rf $(OUTDIR)/$1
+
+discover_cc_rule = \
+  discover-cc-$1: $$(OUTDIR)/$1/$$(BUILDTYPE)/include_dirs.txt; \
+    $$(SILENT)$$(call discover_cc,$1)
+discover_cc = cat $<
+
+#######################################################################################################################
+# Standard rule target configuration
+
+OUTDIRS += $(OUTDIR)
+
+OUTDIRS := $(sort $(OUTDIRS))
+TARGETS := $(sort $(TARGETS))
+
+TASKS := $(words $(if $(TARGETS),$(TARGETS),_))
+
+DISBALE_OSYNC ?= $(filter 1,$(TASKS))
+$(DISBALE_OSYNC)GNUMAKEFLAGS += --output-sync
+
+_NPROC = $(NPROC)
+ifeq ($(strip $(_NPROC)),)
+_NPROC = $(shell nproc)
+endif
+_PARALLELMFLAGS := $(addprefix -j,$(shell echo "$$(($(_NPROC)/$(TASKS)))"))
+
+#######################################################################################################################
+# Makefile dependencies
+
+MAKEFILE_DEPS += rm
+MAKEFILE_DEPS += mkdir
+MAKEFILE_DEPS += echo
+
+MAKEFILE_DEPS := $(sort $(MAKEFILE_DEPS))
+
+UNSATISFIED_MAKEFILE_DEPS := $(call filter_out_command,$(MAKEFILE_DEPS))
+
+#######################################################################################################################
+# Standard rules
+
+ifneq ($(MAKECMDGOALS),distclean)
+-include $(RULE_TARGETS)
+endif
+
+.PHONY: all build-%
+all: $(BUILD_TARGETS);
+
+.PHONY: check check-%
+check: $(CHECK_TARGETS);
+
+.PHONY: memcheck memcheck-%
+memcheck: $(MEMCHECK_TARGETS);
+
+.PHONY: lint lint-%
+lint: $(LINT_TARGETS);
+
+.PHONY: run run-%
+run: $(RUN_TARGETS);
+
+.PHONY: clean clean-%
+clean: $(CLEAN_TARGETS);
+
+.PHONY: get-deps get-deps-%
+get-deps: $(EXTRACT_TARGETS);
+
+.PHONY: discover-cc discover-cc-%
+discover-cc: $(DISCOVER_CC_TARGETS);
+
+.PHONY: distclean
+distclean:
+	$(SILENT)-rm -rf $(OUTDIRS)
+
+.PHONY: debug-print-%
+debug-print-%:
+	@printf '%s\n' '$*:' $($*)
+
+$(RULE_TARGETS): $(filter-out $(RULE_TARGETS),$(MAKEFILE_LIST)) | $(UNSATISFIED_MAKEFILE_DEPS) $(OUTDIRS)
+
+$(OUTDIRS):
+	$(SILENT)mkdir -p $@
+
+$(UNSATISFIED_MAKEFILE_DEPS):
+	$(error 'required commands $(UNSATISFIED_MAKEFILE_DEPS) not found; install appropriate packages e.g. docker-ce, busybox and curl')