CXX = g++
CXXFLAGS = -Wall -Wextra -std=c++17 -O2 -g
LDFLAGS = -lX11
TARGET = blockuntilkey

# 'sort' removes duplicates
SOURCES := $(sort $(wildcard *.cpp) keysym_table.cpp)
HEADERS := $(sort $(wildcard *.cpp) keysym_table.h)

OBJDIR = obj

.PHONY: all clean

all: $(TARGET)

clean:
	@echo "Cleaning"
	@rm -f $(TARGET)
	@rm -rf $(OBJDIR)


$(OBJDIR)/%.o: %.cpp $(HEADERS) | $(OBJDIR)
	@echo "CXX $<"
	@$(CXX) $(CXXFLAGS) -c -o $@ $<

$(TARGET): $(patsubst %.cpp,$(OBJDIR)/%.o,$(SOURCES)) | $(OBJDIR)
	@echo "LD -o $@"
	@$(CXX) -o $@ $^ $(LDFLAGS)

$(OBJDIR):
	@mkdir -p $(OBJDIR)


keysym_table.h: make_keysym_table.sh /usr/include/xkbcommon/xkbcommon-keysyms.h
	./make_keysym_table.sh --header >$@

keysym_table.cpp: make_keysym_table.sh /usr/include/xkbcommon/xkbcommon-keysyms.h
	./make_keysym_table.sh --source >$@