path   := src/*/*.c src/*.c src/*.s
include:= src/*.h
binary := bin/hw2.run

source := $(wildcard ${path})
headers:= $(wildcard ${include})
obj    := $(patsubst src/%, bin/%, $(patsubst %.c,%.o, $(patsubst %.s,%.s.o, $(source))))

CPLEX_INCLUDE = /opt/cplex-12.4/distribution/cplex/include/ilcplex

flags  := -O3 -g -Wall -pedantic -g --std=c11 -Winline -I$(CPLEX_INCLUDE)
libs   := -lcplex -lm -lpthread

compile: $(obj) $(binary)

run: compile
	@$(binary)

bin/%.s.o: src/%.s
	@echo '    as  $<'
	@$(AS) $< -o $@

bin/%.o: src/%.c $(headers)
	@mkdir -p bin
	@echo '    cc  $<'
	@$(CC) -c $(flags) $< -o $@

$(binary): $(obj)
	@mkdir -p bin
	@echo '    ld  $@'
	@$(CC) $(flags) $(obj) $(libs) -o $@
	
clean:
	@$(RM) -f $(obj) $(binary)