Makefile

# Makefile for Library Management System
# Targets:
#   make console   → build the console app
#   make gui       → build the GTK GUI app
#   make all       → build both
#   make clean     → remove build artifacts

CC      = gcc
CFLAGS  = -Wall -Wextra -g -Iinclude
GTK_FLAGS = $(shell pkg-config --cflags gtk+-3.0 2>/dev/null)
GTK_LIBS  = $(shell pkg-config --libs   gtk+-3.0 2>/dev/null)

# Common source (shared by both apps)
COMMON_SRC = src/db.c

# Console sources
CON_SRC = $(COMMON_SRC) src/console_ui.c src/main_console.c
CON_OUT = library_console

# GUI sources
GUI_SRC = $(COMMON_SRC) src/gui_ui.c src/main_gui.c
GUI_OUT = library_gui

.PHONY: all console gui clean

all: console gui

console: $(CON_SRC)
	$(CC) $(CFLAGS) -o $(CON_OUT) $(CON_SRC)
	@echo "✓ Console app built: ./$(CON_OUT)"

gui: $(GUI_SRC)
	@if pkg-config --exists gtk+-3.0; then \
		$(CC) $(CFLAGS) $(GTK_FLAGS) -o $(GUI_OUT) $(GUI_SRC) $(GTK_LIBS); \
		echo "✓ GUI app built: ./$(GUI_OUT)"; \
	else \
		echo "✗ GTK3 not found. Install with:"; \
		echo "  Ubuntu/Debian: sudo apt install libgtk-3-dev"; \
		echo "  Fedora:        sudo dnf install gtk3-devel"; \
		echo "  macOS:         brew install gtk+3"; \
		echo "  Windows:       use MSYS2 + mingw-w64-x86_64-gtk3"; \
		exit 1; \
	fi

clean:
	rm -f $(CON_OUT) $(GUI_OUT)
	@echo "✓ Cleaned."