Makefile

.PHONY: help build.% test.% clean
.DEFAULT_GOAL = help

targets = py_server server

export CONFIG_PATH = $(abspath config.json)

MAKEFLAGS += -k
ifneq ($V,2)
# comment next line and Makefile will print what it's doing
.SILENT:
MAKEFLAGS += --no-print-directory
endif

define HELP
Usage: make (build|test).(py_server|server) (<option>=<value>)*
       make run.(client|py_server|server) (<option>=<value)*
       make clean (<option>=<value>)*
Example (runs tests in py_server): make test.py_server V=2

Targets:
--------
run.client: starts the client
run.py_server: starts the py_server
run.server: starts the c++ server
build.py_server: builds py_server
build.server: builds server
test.py_server: invokes tests in py_server
test.server: invokes test in server
help: print this message
clean: cleans in server and py_server

Available options: 
*They are all will be passed to the lower Makefiles* 
------
CONFIG_PATH: path to the config file, default = 'config.json'
V: if V=1, will print a little info, if V=2 will print all commands 
O: if O=2, will use O2 optimizer for c++, if O=3 will use O3 optimizer
boost: path to the boost root directory, default is taken from config
python: specify a path to a python interpreter (version must be >=3.10)
flags: you can override flags given to flask application with this 

endef

help: export HELP := $(HELP)
help:
	@echo "$$HELP"

$(addprefix run.,py_server client): run.%:
	$(MAKE) -C $* -e

run.server:
	$(MAKE) serve -C server -e

$(addprefix build.,$(targets)): build.%:
	$(MAKE) -C $* -e build 

$(addprefix test.,$(targets) client): test.%:
	$(MAKE) -C $* -e test

clean:
	@for dir in $(targets) ; do \
		$(MAKE) -C $$dir clean ; \
	done