Makefile

ifneq ($(V),)
  SILENCE =
else
  SILENCE = @
endif

DEPDIR := .deps

define invoke
	$(eval TARGET := $(patsubst %-mangled,%,$(1)))					\
	export CONAN_DEFAULT_PROFILE_PATH=$(CONAN_PROFILE);				\
	if [ "$(filter $(TARGET),$(EXPORTS))" = $(TARGET) ]; then			\
		cd conan/exports/$(TARGET);						\
		conan export . dory/stable &&						\
		touch ../../../$(DEPDIR)/$(1).conandep;					\
	else										\
		cd $(TARGET);								\
		if [ -f "build.sh" ]; then						\
			./build.sh && touch ../$(DEPDIR)/$(1).conandep;			\
		else									\
			conan create . --build=outdated --test-folder=None	&&	\
			touch ../$(DEPDIR)/$(1).conandep;				\
		fi;									\
	fi
endef

define check_trigger
	trigger=0;									\
	for dep in $(2); do 								\
		if [ "$(DEPDIR)/$$dep-mangled.conandep"					\
			-nt $(DEPDIR)/$(1)-mangled.conandep ]; then			\
			trigger=1;							\
			break;								\
		fi;									\
	done;										\
	if [ "$$trigger" -ne 0 ]; then							\
		rm $(DEPDIR)/$(1)-mangled.conandep;					\
		$(call invoke,$(1)-mangled)						\
	fi
endef

.PHONY: clean

LIST = $(shell find 									\
	$(patsubst %-mangled,%,$(basename $(@F)))					\
	 $(patsubst %-mangled,conan/exports/%,$(basename $(@F)))			\
	  -type f 									\
	  -not -path "$(patsubst %-mangled,%,$(basename $(@F)))/build/*" 2> /dev/null)

$(DEPDIR): ; $(SILENCE) mkdir -p $@
clean: ; $(SILENCE) rm -rf $(DEPDIR)
distclean: clean
	$(SILENCE) rm -rf */build
	$(SILENCE) conan remove -f "dory-*"

.SECONDEXPANSION:
$(DEPDIR)/%.conandep: $$(LIST) | $(DEPDIR)
	$(SILENCE) $(call invoke,$(basename $(@F)))


.PHONY: force
make_args: force $(DEPDIR)
	$(SILENCE) echo '$(CONAN_PROFILE) $(CC) $(CXX)' | 				\
		    cmp -s - $(DEPDIR)/make_args-mangled.conandep || 			\
		     echo '$(CONAN_PROFILE) $(CC) $(CXX)' 				\
		      > $(DEPDIR)/make_args-mangled.conandep

############################ Start of editable area ############################
.PHONY: shared extern memstore crypto ctrl conn
.PHONY: demo crash-consensus neb

# Define the targets you want to compile as conan libraries/conan binaries.
TARGETS := extern shared memstore crypto ctrl conn demo crash-consensus neb


# Specify only the local dependencies for the given conan libraries/binaries
#  (that have local dependencies)
memstore : shared extern
ctrl : shared extern
conn : shared ctrl memstore
crypto : shared memstore

demo: extern shared memstore ctrl conn
crash-consensus: extern shared memstore ctrl conn
neb: extern shared memstore ctrl conn crypto

############################# End of editable area #############################
# Define targets which should be exported rather than build or packaged
.PHONY: compiler-options
EXPORTS := compiler-options

$(EXPORTS) : make_args

$(EXPORTS) : % : %-mangled

$(EXPORTS) :
	$(SILENCE) $(call check_trigger,$@,$(filter-out $@-mangled,$^))

MANGLED_EXPORTS := $(patsubst %,%-mangled,$(EXPORTS))
$(MANGLED_EXPORTS) : % : $(DEPDIR)/%.conandep

# Define the mangling process of regular targets
.PHONY: all
all : $(TARGETS)
.DEFAULT_GOAL := all

# Use the intermediate mangled target to gather all the rule prerequisites
# together
$(TARGETS) : % : %-mangled


$(TARGETS) : $(EXPORTS)
	$(SILENCE) $(call check_trigger,$@,$(filter-out $@-mangled,$^))

MANGLED_TARGETS := $(patsubst %,%-mangled,$(TARGETS))
$(MANGLED_TARGETS) : % : $(DEPDIR)/%.conandep

.PHONY: list
list:
	@$(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null | 					\
	 awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | 	\
	  sort | egrep -v -e '^[^[:alnum:]]' -e '^$@$$'