69 lines
2.4 KiB
CMake
69 lines
2.4 KiB
CMake
# 抽卡世界 GUI 教程 —— 总 CMake
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# 用法：cmake -B build -DLESSON=1 ← 切到第 1 课（默认 1）
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# cmake --build build
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# ./build/gacha1 ← Mac/Linux
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# build\Release\gacha1.exe ← Windows
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#
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# 想看「老师写好的完整版」：cmake -B build -DLESSON=1 -DUSE_SOLUTION=ON
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cmake_minimum_required(VERSION 3.14)
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project(gacha LANGUAGES CXX)
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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# Windows MSVC：让源码里的中文（UTF-8）正确编译
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if(MSVC)
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add_compile_options("/utf-8")
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endif()
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# ===== 找 FLTK =====
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# 先试 CONFIG（vcpkg / 自己编 FLTK 1.4 时会有 FLTKConfig.cmake）
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# 找不到再回退到 CMake 自带的 FindFLTK 模块（Homebrew 走这条）
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find_package(FLTK CONFIG QUIET)
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if(NOT FLTK_FOUND)
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find_package(FLTK REQUIRED)
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endif()
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# ===== 选课 =====
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set(LESSON 1 CACHE STRING "Which lesson to build: 1, 2, 3, 4, 5, 6")
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option(USE_SOLUTION "Build from solutions/ instead of student starter file" OFF)
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set(TARGET_NAME gacha${LESSON})
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if(USE_SOLUTION)
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set(SRC_FILE solutions/lesson_gui_${LESSON}.cpp)
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else()
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set(SRC_FILE lesson_gui_${LESSON}.cpp)
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endif()
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if(NOT EXISTS "${CMAKE_SOURCE_DIR}/${SRC_FILE}")
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message(FATAL_ERROR "找不到源文件：${SRC_FILE}\n请确认 LESSON=${LESSON} 是否正确，或文件是否存在。")
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endif()
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message(STATUS "Building lesson ${LESSON}: ${SRC_FILE}")
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add_executable(${TARGET_NAME} ${SRC_FILE})
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if(TARGET fltk)
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# CONFIG 模式：imported target 自带头文件路径
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target_link_libraries(${TARGET_NAME} PRIVATE fltk)
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else()
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# 模块模式：手动加头文件路径和库
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target_include_directories(${TARGET_NAME} PRIVATE ${FLTK_INCLUDE_DIR})
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target_link_libraries(${TARGET_NAME} PRIVATE ${FLTK_LIBRARIES})
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# Homebrew 的 FLTK 头文件是 *.H，教程里写 #include <FL/Fl.h> 会触发可移植性警告
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# 在 AppleClang 下静音这个无害告警
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if(APPLE)
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target_compile_options(${TARGET_NAME} PRIVATE
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$<$<CXX_COMPILER_ID:AppleClang>:-Wno-nonportable-include-path>)
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endif()
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endif()
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# macOS SDK 把 sprintf 标为 deprecated（让用 snprintf）
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# 对 11 岁初学者来说 sprintf 已经够用且写法简单，统一屏蔽这个告警
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if(APPLE)
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target_compile_options(${TARGET_NAME} PRIVATE
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$<$<CXX_COMPILER_ID:AppleClang>:-Wno-deprecated-declarations>)
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endif()
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