sources = $(wildcard src/*.cpp)
objects = $(sources:.cpp=.o)
os = $(shell uname -s)
static_libs = lib/$(os)/libftd2xx.a
libs = -lpthread

CXXFLAGS = -std=c++11

export DOCKER_BUILDKIT=1

# Assume target is Mac OS if build host is Mac OS; any other host targets Linux
ifeq ($(os), Darwin)
	libs += -lobjc -framework IOKit -framework CoreFoundation
else
	libs += -lrt
endif

loader: $(objects)  ## build the loader executable
	$(CXX) $(LDFLAGS) -o $@ $^ $(static_libs) $(libs)

build:  ## build the loader in docker (linux)
	docker build -o . .

.PHONY: clean
clean:
	rm -rf loader $(objects)

.PHONY: help
help:           ## Show this help
	@echo Noteworthy targets:
	@egrep '^[a-zA-Z_-]+:.*?## .*$$' $(firstword $(MAKEFILE_LIST)) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}'
.DEFAULT_GOAL := help