Better makefile (AI created)

Makefile

@@ -1,2 +1,31 @@
-all:
-	g++ -lrt -std=c++17 src/main.cpp src/usermanager.cpp -o ncsambawatcher
+# Compiler and flags
+CXX := g++
+CXXFLAGS := -std=c++17 -Wall -Wextra -O2
+
+# Directories
+SRC_DIR := src
+OBJ_DIR := obj
+BUILD_DIR := .
+TARGET := $(BUILD_DIR)/ncsambawatcher
+
+# Create list of source and object files
+SRCS := $(wildcard $(SRC_DIR)/*.cpp)
+OBJS := $(SRCS:$(SRC_DIR)/%.cpp=$(OBJ_DIR)/%.o)
+
+# Default target
+all: $(TARGET)
+
+# Link object files into final binary
+$(TARGET): $(OBJS)
+	$(CXX) $(CXXFLAGS) -o $@ $^
+
+# Compile .cpp to .o into obj/
+$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp
+	@mkdir -p $(OBJ_DIR)
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+
+# Clean build artifacts
+clean:
+	rm -f $(OBJ_DIR)/*.o $(TARGET)
+
+.PHONY: all clean