CC=gcc
CPP=g++
BUILD=build/
FLAGS=-Wall -Werror -Wextra -pedantic -lantlr3c -std=c++11 -g -pg

all: main

.PHONY: check-syntax
check-syntax:
	-$(CPP) $(FLAGS) -fsyntax-only -x c++ $(CHK_SOURCES)
# the - is to ignore the return code.

main: build-dir grammar
	$(CPP) main.cpp *.o -o $(BUILD)/main $(FLAGS)

grammar: build-dir
	java -jar antlr/antlr-3.4-complete.jar EquationSystem.g
	$(CC) *.c -c -lantrl3c

build-dir:
	mkdir -p $(BUILD)

clean:
	rm -rf $(BUILD)
	rm -rf *.o *.c *.h *.tokens
	# antlr o, c, h and tokens files