WIN ?= X11

CC=gcc
CFLAGS=$(shell pkg-config --cflags cairo)
LFLAGS=$(shell pkg-config --libs cairo)

BIN=dav
SRC_DIR=./src
SRC_FILES=$(wildcard $(SRC_DIR)/*.c)
OBJ_FILES=$(patsubst %.c, %.o, $(SRC_FILES))


ifeq ($(WIN), X11)
	WIN_SYS=$(WIN)
	LFLAGS += -lX11 -lXcomposite -lXfixes
endif

ifeq ($(WIN), Wayland)
	WIN_SYS=$(WIN)
endif

ifeq ($(WIN), WinAPI)
	WIN_SYS=$(WIN)
endif


ifndef WIN_SYS
$(error WIN available: "X11", "Wayland", "WinAPI")
endif


all: $(BIN)

%.o: %.c
	$(CC) -D$(WIN) $(CFLAGS) -c $< -o $@

$(BIN): $(OBJ_FILES)
	$(CC) -D$(WIN) $(CFLAGS) -o $@ $^ $(LFLAGS)

run: $(BIN)
	./$(BIN)

clean:
	rm -f $(BIN) $(OBJ_FILES)