Makefile

# Compiler and flags
CXX = g++
CXXFLAGS = -Wall -Wextra -std=c++11

# Target library and executable names
STATIC_LIB = librailway.a
SHARED_LIB = librailway.so
EXEC = railway_app
ADVANCED_EXEC = advanced_railway_app
TEST_EXEC = railway_test

# Directories for source, object files, and build output
SRC_DIR = src
OBJ_DIR = build/obj
BIN_DIR = build/bin
TEST_DIR = test

# Source and object files (excluding main files)
SRCS = $(filter-out $(SRC_DIR)/main.cpp $(SRC_DIR)/advanced_main.cpp, $(wildcard $(SRC_DIR)/*.cpp))
OBJS = $(SRCS:$(SRC_DIR)/%.cpp=$(OBJ_DIR)/%.o)

# Test files
TEST_SRCS = $(TEST_DIR)/railway_test.cpp
TEST_OBJS = $(TEST_SRCS:$(TEST_DIR)/%.cpp=$(OBJ_DIR)/%.o)

# Main source files
MAIN = $(SRC_DIR)/main.cpp
ADVANCED_MAIN = $(SRC_DIR)/advanced_main.cpp

# Default target
all: $(EXEC) $(ADVANCED_EXEC) $(TEST_EXEC)

# Build the static library
$(STATIC_LIB): $(OBJS)
	@echo "Creating static library: $(STATIC_LIB)"
	ar rcs $@ $^

# Build the shared library
$(SHARED_LIB): $(OBJS)
	@echo "Creating shared library: $(SHARED_LIB)"
	$(CXX) -fPIC -shared -o $@ $^

# Compile main program with static library
$(EXEC): $(MAIN) $(STATIC_LIB)
	@echo "Building executable: $(EXEC)"
	@mkdir -p $(BIN_DIR)
	$(CXX) $(CXXFLAGS) -o $(BIN_DIR)/$@ $(MAIN) -L. -lrailway

# Compile advanced main program with static library
$(ADVANCED_EXEC): $(ADVANCED_MAIN) $(STATIC_LIB)
	@echo "Building advanced executable: $(ADVANCED_EXEC)"
	@mkdir -p $(BIN_DIR)
	$(CXX) $(CXXFLAGS) -o $(BIN_DIR)/$@ $(ADVANCED_MAIN) -L. -lrailway

# Compile test executable
$(TEST_EXEC): $(TEST_OBJS) $(STATIC_LIB)
	@echo "Building test executable: $(TEST_EXEC)"
	@mkdir -p $(BIN_DIR)
	$(CXX) $(CXXFLAGS) -o $(BIN_DIR)/$@ $(TEST_OBJS) -L. -lrailway

# Clean up object files, library files, and executable
clean:
	@echo "Cleaning up..."
	rm -rf $(OBJ_DIR) $(STATIC_LIB) $(SHARED_LIB) $(BIN_DIR)/$(EXEC) $(BIN_DIR)/$(ADVANCED_EXEC) $(BIN_DIR)/$(TEST_EXEC)

# Pattern rule for compiling .cpp files to .o files
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp
	@mkdir -p $(OBJ_DIR)
	@echo "Compiling $<..."
	$(CXX) $(CXXFLAGS) -c $< -o $@

$(OBJ_DIR)/%.o: $(TEST_DIR)/%.cpp
	@mkdir -p $(OBJ_DIR)
	@echo "Compiling test $<..."
	$(CXX) $(CXXFLAGS) -c $< -o $@

# Phony targets
.PHONY: all clean