CC = gcc
CFLAGS = -Wall -pg
SRCDIR = src
BUILDDIR = build
TARGET = main

SOURCES = $(wildcard $(SRCDIR)/**/*.c $(SRCDIR)/*.c)
OBJECTS = $(patsubst $(SRCDIR)/%.c, $(BUILDDIR)/%.o, $(SOURCES))

ifeq ($(OS),Windows_NT)
    EXECUTABLE = $(BUILDDIR)/$(TARGET).exe
    RM = del /Q
    MKDIR = mkdir
else
    EXECUTABLE = $(BUILDDIR)/$(TARGET)
    RM = rm -rf
    MKDIR = mkdir -p
endif

all: $(EXECUTABLE)

$(EXECUTABLE): $(OBJECTS)
	$(CC) $(CFLAGS) -o $@ $^

$(BUILDDIR)/%.o: $(SRCDIR)/%.c
	@$(MKDIR) -p $(@D)
	$(CC) $(CFLAGS) -c -o $@ $<

clean:
	$(RM) $(BUILDDIR)/*

.PHONY: clean