35 lines
1.5 KiB
CMake
35 lines
1.5 KiB
CMake
cmake_minimum_required(VERSION 3.15)
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project(visibility_demo CXX)
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set(CMAKE_CXX_STANDARD 17)
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# ============ color ============
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add_library(color
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color/src/color.cpp
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color/src/rgb_convert.cpp
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)
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target_include_directories(color
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PUBLIC color/public # 对外头目录：用户由此 #include <color/color.h>
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PRIVATE color/include # 内部头目录：rgb_convert.h 只有 color 自己可见
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)
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# 宏出现在公开头文件的 #ifdef 里，决定 API 形状。
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# 若只标 PRIVATE：color.cpp 编译出了 brightColorCode，
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# 但用户看到的头文件里该声明被预处理掉 → 库和用户对 API 的理解不一致。
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target_compile_definitions(color PUBLIC COLOR_ENABLE_BRIGHT)
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# ============ timeutil ============
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add_library(timeutil timeutil/timeutil.cpp)
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target_include_directories(timeutil PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/timeutil)
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# ============ printer ============
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add_library(printer printer/src/printer.cpp)
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target_include_directories(printer PUBLIC printer/public)
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target_link_libraries(printer
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PUBLIC color # printer.h 引用了 color/color.h → 契约的一部分
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PRIVATE timeutil # 只有 printer.cpp 用 → 实现细节
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)
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# 时间格式只影响 printer.cpp 的编译 → PRIVATE，不泄漏、改格式不触发下游重编
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target_compile_definitions(printer PRIVATE "PRINTER_TIME_FORMAT=\"%H:%M:%S\"")
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# ============ app ============
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add_executable(app app/main.cpp)
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target_link_libraries(app PRIVATE printer)
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