Makefile.linux

.PHONY: all clean opt 
  
TARGET = impossible

CC  := gcc
CXX := g++

INCLUDE = 

all: CFLAGS = $(INCLUDE) -std=c++11 
opt: CFLAGS = $(INCLUDE) -O3 -ffast-math -pipe -std=c++11 

CXXFLAGS = $(CFLAGS)

LDFLAGS = 

# Find all source files
SOURCE = .
SRC_CPP = $(foreach dir, $(SOURCE), $(wildcard $(dir)/*.cpp)) impossible.tab.cpp
SRC_C   = $(foreach dir, $(SOURCE), $(wildcard $(dir)/*.c)) lex.yy.c
OBJ_CPP = $(patsubst %.cpp, %.o, $(SRC_CPP))
OBJ_C   = $(patsubst %.c, %.o, $(SRC_C))
OBJS    = $(OBJ_CPP) $(OBJ_C)

all opt : $(TARGET)

lex.yy.c: parser/impossible.l
	flex --header-file=lex.yy.h $<

impossible.tab.cpp: parser/impossible.ypp lex.yy.c
	bison -d -v $<

$(TARGET) : $(OBJS)
	$(CXX) $(CXXFLAGS) $^ -o $@ $(LDFLAGS)

%.o: %.c
	$(CC) -x c++ $(CFLAGS) -c $< -o $@

%.o: %.cpp
	$(CXX) $(CXXFLAGS) -c $< -o $@

clean:
	rm -f $(OBJS) $(TARGET) lex.yy.* impossible.tab.*