CC=gcc
CPP=g++
BUILD=build
FLAGS=-Wall -Werror -Wextra -pedantic -lantlr3c -std=c++11
NORMAL_FLAGS=$(FLAGS) -g -pg
OPTIMISED_FLAGS=$(FLAGS) -O3

all: $(BUILD)/main

.PHONY: check-syntax
check-syntax:
	-$(CPP) $(FLAGS) -o /tmp/null -x c++ $(CHK_SOURCES)
# the - is to ignore the return code.

$(BUILD)/main: $(BUILD) EquationSystemParser.o main.cpp *.hpp
	$(CPP) main.cpp *.o -o $(BUILD)/main $(NORMAL_FLAGS)

#fastest-main: $(BUILD) grammar
#	$(CPP) main.cpp *.o -o $(BUILD)/main $(OPTIMISED_FLAGS)

EquationSystemParser.o: EquationSystem.g
	java -jar ../antlr/antlr-3.4-complete.jar EquationSystem.g
	$(CC) *.c -c -lantrl3c

$(BUILD):
	mkdir -p $(BUILD)

test: $(BUILD)/main
	bash ./test/run ./build/main

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