{"id":97946,"date":"2026-08-30T19:32:58","date_gmt":"2026-08-30T11:32:58","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/97946.html"},"modified":"2026-08-30T19:32:58","modified_gmt":"2026-08-30T11:32:58","slug":"cmake-%e5%85%a5%e9%97%a8%ef%bc%9a%e4%bb%8e%e4%b8%80%e4%b8%aa%e5%8f%af%e6%89%a7%e8%a1%8c%e7%a8%8b%e5%ba%8f%e5%88%b0%e5%a4%9a%e7%9b%ae%e5%bd%95-c-%e5%b7%a5%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/97946.html","title":{"rendered":"CMake \u5165\u95e8\uff1a\u4ece\u4e00\u4e2a\u53ef\u6267\u884c\u7a0b\u5e8f\u5230\u591a\u76ee\u5f55 C++ \u5de5\u7a0b"},"content":{"rendered":"<p>\u521a\u5f00\u59cb\u5199 C&#043;&#043; \u65f6&#xff0c;\u9879\u76ee\u91cc\u53ea\u6709\u4e00\u4e2a main.cpp&#xff0c;\u76f4\u63a5\u6267\u884c\u4e00\u6761 g&#043;&#043; \u547d\u4ee4\u5c31\u80fd\u5b8c\u6210\u7f16\u8bd1\u3002\u7b49\u6e90\u6587\u4ef6\u3001\u5934\u6587\u4ef6\u548c\u7b2c\u4e09\u65b9\u5e93\u9010\u6e10\u589e\u591a&#xff0c;\u7f16\u8bd1\u547d\u4ee4\u4e5f\u4f1a\u8d8a\u6765\u8d8a\u957f\u3002\u8fd9\u65f6\u7ee7\u7eed\u624b\u5199\u547d\u4ee4\u4e0d\u4ec5\u9ebb\u70e6&#xff0c;\u8fd8\u5bb9\u6613\u6f0f\u6389\u6587\u4ef6\u6216\u94fe\u63a5\u9009\u9879\u3002<\/p>\n<p>CMake \u7684\u4f5c\u7528\u5c31\u662f\u628a\u8fd9\u4e9b\u6784\u5efa\u89c4\u5219\u7edf\u4e00\u5199\u5728 CMakeLists.txt \u4e2d&#xff0c;\u518d\u6839\u636e\u5f53\u524d\u5e73\u53f0\u751f\u6210 Makefile\u3001Ninja \u6216 IDE \u5de5\u7a0b\u3002\u5b83\u672c\u8eab\u901a\u5e38\u4e0d\u76f4\u63a5\u5b8c\u6210\u7f16\u8bd1&#xff0c;\u800c\u662f\u5148\u751f\u6210\u6784\u5efa\u7cfb\u7edf&#xff0c;\u518d\u7531\u5bf9\u5e94\u7684\u7f16\u8bd1\u5de5\u5177\u6267\u884c\u771f\u6b63\u7684\u7f16\u8bd1\u548c\u94fe\u63a5\u3002<\/p>\n<h3>\u4e00\u3001CMake \u7684\u57fa\u672c\u5de5\u4f5c\u6d41\u7a0b<\/h3>\n<p>\u4e00\u4e2a CMake \u9879\u76ee\u901a\u5e38\u7ecf\u5386\u4e09\u4e2a\u9636\u6bb5&#xff1a;<\/p>\n<p>CMakeLists.txt<br \/>\n      \u2193 \u914d\u7f6e\u548c\u751f\u6210<br \/>\n\u6784\u5efa\u7cfb\u7edf&#xff08;Makefile\u3001Ninja \u7b49&#xff09;<br \/>\n      \u2193 \u7f16\u8bd1\u548c\u94fe\u63a5<br \/>\n\u53ef\u6267\u884c\u7a0b\u5e8f\u6216\u5e93\u6587\u4ef6<\/p>\n<p>\u63a8\u8350\u628a\u6784\u5efa\u4ea7\u7269\u653e\u5728\u5355\u72ec\u7684 build \u76ee\u5f55&#xff0c;\u4e0d\u8981\u548c\u6e90\u7801\u6df7\u5728\u4e00\u8d77&#xff1a;<\/p>\n<p>cmake <span class=\"token parameter variable\">-S<\/span> <span class=\"token builtin class-name\">.<\/span> <span class=\"token parameter variable\">-B<\/span> build<br \/>\ncmake <span class=\"token parameter variable\">&#8211;build<\/span> build<\/p>\n<p>\u8fd9\u4e24\u6761\u547d\u4ee4\u5206\u522b\u8868\u793a&#xff1a;<\/p>\n<ul>\n<li>-S .&#xff1a;\u6e90\u7801\u76ee\u5f55\u662f\u5f53\u524d\u76ee\u5f55&#xff1b;<\/li>\n<li>-B build&#xff1a;\u751f\u6210\u6587\u4ef6\u5199\u5165 build \u76ee\u5f55&#xff1b;<\/li>\n<li>cmake &#8211;build build&#xff1a;\u8c03\u7528\u5f53\u524d\u751f\u6210\u5668\u5b8c\u6210\u6784\u5efa\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u79cd\u5199\u6cd5\u4e0d\u4f9d\u8d56\u5e95\u5c42\u4f7f\u7528\u7684\u662f Make \u8fd8\u662f Ninja&#xff0c;\u4e5f\u6bd4\u624b\u52a8\u8fdb\u5165 build \u76ee\u5f55\u518d\u6267\u884c cmake .. \u66f4\u76f4\u89c2\u3002<\/p>\n<p>\u9700\u8981\u91cd\u65b0\u6784\u5efa\u65f6&#xff0c;\u901a\u5e38\u76f4\u63a5\u518d\u6b21\u6267\u884c&#xff1a;<\/p>\n<p>cmake <span class=\"token parameter variable\">&#8211;build<\/span> build<\/p>\n<p>\u5982\u679c\u4fee\u6539\u4e86 CMakeLists.txt&#xff0c;CMake \u4f1a\u5728\u6784\u5efa\u524d\u68c0\u67e5\u5e76\u91cd\u65b0\u751f\u6210\u5fc5\u8981\u7684\u6587\u4ef6\u3002<\/p>\n<h3>\u4e8c\u3001\u7b2c\u4e00\u4e2a CMakeLists.txt<\/h3>\n<p>\u5148\u51c6\u5907\u4e00\u4e2a\u6700\u7b80\u5355\u7684\u76ee\u5f55&#xff1a;<\/p>\n<p>hello_cmake\/<br \/>\n\u251c\u2500\u2500 CMakeLists.txt<br \/>\n\u2514\u2500\u2500 main.cpp<\/p>\n<p>main.cpp&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;Hello, CMake!&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>CMakeLists.txt&#xff1a;<\/p>\n<p>cmake_minimum_required(VERSION 3.16)<\/p>\n<p>project(HelloCMake LANGUAGES CXX)<\/p>\n<p>add_executable(hello main.cpp)<\/p>\n<p>\u8fd9\u91cc\u51fa\u73b0\u4e86\u4e09\u4e2a\u6700\u57fa\u7840\u7684\u547d\u4ee4\u3002<\/p>\n<h4>1. cmake_minimum_required<\/h4>\n<p>cmake_minimum_required(VERSION 3.16)<\/p>\n<p>\u5b83\u58f0\u660e\u9879\u76ee\u8981\u6c42\u7684\u6700\u4f4e CMake \u7248\u672c&#xff0c;\u540c\u65f6\u786e\u5b9a\u4e00\u7ec4\u4e0e\u8be5\u7248\u672c\u5bf9\u5e94\u7684\u7b56\u7565\u884c\u4e3a\u3002\u4e00\u822c\u653e\u5728\u6587\u4ef6\u5f00\u5934&#xff0c;\u4e0d\u5efa\u8bae\u7701\u7565\u3002<\/p>\n<h4>2. project<\/h4>\n<p>project(HelloCMake LANGUAGES CXX)<\/p>\n<p>HelloCMake \u662f\u5de5\u7a0b\u540d&#xff0c;LANGUAGES CXX \u8868\u793a\u9879\u76ee\u4f7f\u7528 C&#043;&#043;\u3002\u8fd8\u53ef\u4ee5\u540c\u65f6\u58f0\u660e\u7248\u672c\u53f7&#xff1a;<\/p>\n<p>project(HelloCMake VERSION 1.0 LANGUAGES CXX)<\/p>\n<h4>3. add_executable<\/h4>\n<p>add_executable(hello main.cpp)<\/p>\n<p>\u8fd9\u6761\u547d\u4ee4\u521b\u5efa\u540d\u4e3a hello \u7684\u53ef\u6267\u884c\u76ee\u6807&#xff0c;\u540e\u9762\u5217\u51fa\u53c2\u4e0e\u7f16\u8bd1\u7684\u6e90\u6587\u4ef6\u3002\u76ee\u6807\u540d\u4e0d\u5fc5\u4e0e project() \u4e2d\u7684\u5de5\u7a0b\u540d\u76f8\u540c\u3002<\/p>\n<p>\u5728\u9879\u76ee\u6839\u76ee\u5f55\u6267\u884c&#xff1a;<\/p>\n<p>cmake <span class=\"token parameter variable\">-S<\/span> <span class=\"token builtin class-name\">.<\/span> <span class=\"token parameter variable\">-B<\/span> build<br \/>\ncmake <span class=\"token parameter variable\">&#8211;build<\/span> build<\/p>\n<p>Linux \u4e0b\u53ef\u4ee5\u8fd0\u884c&#xff1a;<\/p>\n<p>.\/build\/hello<\/p>\n<p>\u5982\u679c\u4f7f\u7528 Visual Studio \u8fd9\u7c7b\u591a\u914d\u7f6e\u751f\u6210\u5668&#xff0c;\u53ef\u6267\u884c\u6587\u4ef6\u53ef\u80fd\u4f4d\u4e8e build\/Debug \u6216 build\/Release \u4e2d\u3002<\/p>\n<h3>\u4e09\u3001\u6307\u5b9a C&#043;&#043; \u6807\u51c6\u548c\u6784\u5efa\u7c7b\u578b<\/h3>\n<p>\u9879\u76ee\u4f7f\u7528 C&#043;&#043;17 \u65f6&#xff0c;\u53ef\u4ee5\u5728 CMakeLists.txt \u4e2d\u8bbe\u7f6e&#xff1a;<\/p>\n<p>set(CMAKE_CXX_STANDARD 17)<br \/>\nset(CMAKE_CXX_STANDARD_REQUIRED ON)<br \/>\nset(CMAKE_CXX_EXTENSIONS OFF)<\/p>\n<p>\u4e09\u884c\u914d\u7f6e\u5206\u522b\u8868\u793a&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528 C&#043;&#043;17&#xff1b;<\/li>\n<li>\u7f16\u8bd1\u5668\u4e0d\u652f\u6301\u65f6\u76f4\u63a5\u62a5\u9519&#xff0c;\u4e0d\u81ea\u52a8\u9000\u56de\u66f4\u65e7\u7684\u6807\u51c6&#xff1b;<\/li>\n<li>\u5c3d\u91cf\u4f7f\u7528\u6807\u51c6\u6a21\u5f0f&#xff0c;\u800c\u4e0d\u662f\u7f16\u8bd1\u5668\u7279\u6709\u7684 GNU \u6269\u5c55\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<p>\u4e5f\u53ef\u4ee5\u53ea\u7ed9\u67d0\u4e2a\u76ee\u6807\u58f0\u660e\u5b83\u9700\u8981\u7684\u8bed\u8a00\u7279\u6027&#xff1a;<\/p>\n<p>target_compile_features(hello PRIVATE cxx_std_17)<\/p>\n<p>\u5bf9\u4e8e\u5355\u914d\u7f6e\u751f\u6210\u5668&#xff0c;\u53ef\u4ee5\u5728\u914d\u7f6e\u9636\u6bb5\u6307\u5b9a Debug \u6216 Release&#xff1a;<\/p>\n<p>cmake <span class=\"token parameter variable\">-S<\/span> <span class=\"token builtin class-name\">.<\/span> <span class=\"token parameter variable\">-B<\/span> build <span class=\"token parameter variable\">-DCMAKE_BUILD_TYPE<\/span><span class=\"token operator\">&#061;<\/span>Debug<\/p>\n<p>\u5207\u6362\u4e3a\u53d1\u5e03\u6784\u5efa&#xff1a;<\/p>\n<p>cmake <span class=\"token parameter variable\">-S<\/span> <span class=\"token builtin class-name\">.<\/span> <span class=\"token parameter variable\">-B<\/span> build <span class=\"token parameter variable\">-DCMAKE_BUILD_TYPE<\/span><span class=\"token operator\">&#061;<\/span>Release<\/p>\n<p>Visual Studio\u3001Xcode \u7b49\u591a\u914d\u7f6e\u751f\u6210\u5668\u901a\u5e38\u5728\u6784\u5efa\u9636\u6bb5\u9009\u62e9\u914d\u7f6e&#xff1a;<\/p>\n<p>cmake <span class=\"token parameter variable\">&#8211;build<\/span> build <span class=\"token parameter variable\">&#8211;config<\/span> Release<\/p>\n<h3>\u56db\u3001\u53d8\u91cf\u548c\u5217\u8868<\/h3>\n<p>CMake \u4f7f\u7528 set() \u5b9a\u4e49\u53d8\u91cf&#xff1a;<\/p>\n<p>set(APP_NAME calculator)<br \/>\nset(APP_SOURCES main.cpp add.cpp sub.cpp)<\/p>\n<p>add_executable(${APP_NAME} ${APP_SOURCES})<\/p>\n<p>${APP_NAME} \u8868\u793a\u8bfb\u53d6\u53d8\u91cf\u7684\u503c\u3002CMake \u7684\u5217\u8868\u672c\u8d28\u4e0a\u7531\u5206\u53f7\u5206\u9694&#xff0c;\u56e0\u6b64\u4e0b\u9762\u4e24\u79cd\u5199\u6cd5\u90fd\u80fd\u521b\u5efa\u5217\u8868&#xff1a;<\/p>\n<p>set(SOURCES main.cpp add.cpp sub.cpp)<br \/>\nset(SOURCES main.cpp;add.cpp;sub.cpp)<\/p>\n<p>\u9700\u8981\u8ffd\u52a0\u6216\u5220\u9664\u5143\u7d20\u65f6&#xff0c;\u53ef\u4ee5\u4f7f\u7528 list()&#xff1a;<\/p>\n<p>list(APPEND SOURCES mul.cpp)<br \/>\nlist(REMOVE_ITEM SOURCES sub.cpp)<\/p>\n<h3>\u4e94\u3001\u6e90\u6587\u4ef6\u5e94\u8be5\u624b\u5199\u8fd8\u662f\u81ea\u52a8\u641c\u7d22<\/h3>\n<p>\u6e90\u6587\u4ef6\u8f83\u5c11\u65f6&#xff0c;\u76f4\u63a5\u5217\u51fa\u6765\u6700\u7a33\u59a5&#xff1a;<\/p>\n<p>add_executable(calculator<br \/>\n    main.cpp<br \/>\n    add.cpp<br \/>\n    sub.cpp<br \/>\n)<\/p>\n<p>\u65b0\u589e\u6216\u5220\u9664\u6e90\u6587\u4ef6\u65f6&#xff0c;\u6784\u5efa\u89c4\u5219\u7684\u53d8\u5316\u5728\u4ee3\u7801\u5ba1\u67e5\u4e2d\u4e00\u76ee\u4e86\u7136\u3002<\/p>\n<p>\u4e5f\u53ef\u4ee5\u4f7f\u7528 file(GLOB) \u641c\u7d22\u76ee\u5f55\u4e2d\u7684\u6587\u4ef6&#xff1a;<\/p>\n<p>file(GLOB APP_SOURCES CONFIGURE_DEPENDS<br \/>\n    &#034;${CMAKE_CURRENT_SOURCE_DIR}\/src\/*.cpp&#034;<br \/>\n)<\/p>\n<p>add_executable(calculator ${APP_SOURCES})<\/p>\n<p>CONFIGURE_DEPENDS \u4f1a\u8ba9 CMake \u5728\u6784\u5efa\u65f6\u68c0\u67e5\u5339\u914d\u7ed3\u679c\u662f\u5426\u53d1\u751f\u53d8\u5316\u3002\u4e0d\u8fc7\u5bf9\u4e8e\u957f\u671f\u7ef4\u62a4\u7684\u5de5\u7a0b&#xff0c;\u4ecd\u7136\u66f4\u63a8\u8350\u663e\u5f0f\u5217\u51fa\u6e90\u6587\u4ef6&#xff1b;\u81ea\u52a8\u641c\u7d22\u66f4\u9002\u5408\u793a\u4f8b\u9879\u76ee\u6216\u6587\u4ef6\u6570\u91cf\u8f83\u591a\u3001\u7ed3\u6784\u56fa\u5b9a\u7684\u573a\u666f\u3002<\/p>\n<p>\u5e38\u89c1\u8def\u5f84\u53d8\u91cf\u6709&#xff1a;<\/p>\n<ul>\n<li>PROJECT_SOURCE_DIR&#xff1a;\u6700\u8fd1\u4e00\u6b21 project() \u5bf9\u5e94\u7684\u6e90\u7801\u6839\u76ee\u5f55&#xff1b;<\/li>\n<li>PROJECT_BINARY_DIR&#xff1a;\u8be5\u5de5\u7a0b\u5bf9\u5e94\u7684\u6784\u5efa\u76ee\u5f55&#xff1b;<\/li>\n<li>CMAKE_CURRENT_SOURCE_DIR&#xff1a;\u5f53\u524d CMakeLists.txt \u6240\u5728\u7684\u6e90\u7801\u76ee\u5f55&#xff1b;<\/li>\n<li>CMAKE_CURRENT_BINARY_DIR&#xff1a;\u5f53\u524d\u76ee\u5f55\u5bf9\u5e94\u7684\u6784\u5efa\u76ee\u5f55\u3002<\/li>\n<\/ul>\n<h3>\u516d\u3001\u6dfb\u52a0\u5934\u6587\u4ef6\u76ee\u5f55<\/h3>\n<p>\u5047\u8bbe\u5934\u6587\u4ef6\u653e\u5728 include \u76ee\u5f55&#xff1a;<\/p>\n<p>project\/<br \/>\n\u251c\u2500\u2500 include\/<br \/>\n\u2502   \u2514\u2500\u2500 calc.h<br \/>\n\u251c\u2500\u2500 src\/<br \/>\n\u2502   \u2514\u2500\u2500 calc.cpp<br \/>\n\u2514\u2500\u2500 main.cpp<\/p>\n<p>\u4e0d\u5efa\u8bae\u4e00\u4e0a\u6765\u4f7f\u7528\u5f71\u54cd\u6574\u4e2a\u76ee\u5f55\u7684 include_directories()&#xff0c;\u66f4\u63a8\u8350\u628a\u5934\u6587\u4ef6\u8def\u5f84\u7ed1\u5b9a\u5230\u5177\u4f53\u76ee\u6807&#xff1a;<\/p>\n<p>add_executable(calculator<br \/>\n    main.cpp<br \/>\n    src\/calc.cpp<br \/>\n)<\/p>\n<p>target_include_directories(calculator PRIVATE<br \/>\n    ${PROJECT_SOURCE_DIR}\/include<br \/>\n)<\/p>\n<p>\u8fd9\u6837\u53ef\u4ee5\u660e\u786e\u770b\u51fa include \u662f calculator \u76ee\u6807\u7684\u7f16\u8bd1\u9700\u6c42&#xff0c;\u4e0d\u4f1a\u65e0\u610f\u95f4\u5f71\u54cd\u5176\u4ed6\u76ee\u6807\u3002<\/p>\n<h3>\u4e03\u3001\u751f\u6210\u9759\u6001\u5e93\u548c\u52a8\u6001\u5e93<\/h3>\n<p>\u4f7f\u7528 add_library() \u53ef\u4ee5\u521b\u5efa\u5e93\u76ee\u6807&#xff1a;<\/p>\n<p>add_library(calc STATIC<br \/>\n    src\/add.cpp<br \/>\n    src\/sub.cpp<br \/>\n)<\/p>\n<p>STATIC \u8868\u793a\u9759\u6001\u5e93\u3002\u5728 Linux \u4e0b\u901a\u5e38\u751f\u6210 libcalc.a&#xff0c;\u5728 Windows \u4e0b\u901a\u5e38\u751f\u6210 .lib \u6587\u4ef6\u3002<\/p>\n<p>\u628a STATIC \u6539\u4e3a SHARED \u5373\u53ef\u751f\u6210\u52a8\u6001\u5e93&#xff1a;<\/p>\n<p>add_library(calc SHARED<br \/>\n    src\/add.cpp<br \/>\n    src\/sub.cpp<br \/>\n)<\/p>\n<p>Linux \u4e0b\u901a\u5e38\u751f\u6210 libcalc.so&#xff0c;Windows \u4e0b\u901a\u5e38\u751f\u6210 .dll \u53ca\u76f8\u5e94\u7684\u5bfc\u5165\u5e93\u3002<\/p>\n<p>\u5982\u679c\u5e0c\u671b\u7531\u6784\u5efa\u9009\u9879\u51b3\u5b9a\u5e93\u7c7b\u578b&#xff0c;\u53ef\u4ee5\u4e0d\u5199 STATIC \u6216 SHARED&#xff1a;<\/p>\n<p>add_library(calc<br \/>\n    src\/add.cpp<br \/>\n    src\/sub.cpp<br \/>\n)<\/p>\n<p>\u914d\u7f6e\u65f6\u901a\u8fc7 BUILD_SHARED_LIBS \u9009\u62e9&#xff1a;<\/p>\n<p>cmake <span class=\"token parameter variable\">-S<\/span> <span class=\"token builtin class-name\">.<\/span> <span class=\"token parameter variable\">-B<\/span> build <span class=\"token parameter variable\">-DBUILD_SHARED_LIBS<\/span><span class=\"token operator\">&#061;<\/span>ON<\/p>\n<h3>\u516b\u3001\u94fe\u63a5\u5e93\u4ee5\u53ca PUBLIC\u3001PRIVATE\u3001INTERFACE<\/h3>\n<p>\u521b\u5efa\u5e93\u540e&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u76ee\u6807\u540d\u76f4\u63a5\u94fe\u63a5&#xff1a;<\/p>\n<p>add_executable(calculator main.cpp)<br \/>\ntarget_link_libraries(calculator PRIVATE calc)<\/p>\n<p>\u5982\u679c calc \u662f\u540c\u4e00\u4e2a CMake \u5de5\u7a0b\u4e2d\u7684\u76ee\u6807&#xff0c;\u4e0d\u9700\u8981\u624b\u52a8\u5199\u5b83\u751f\u6210\u540e\u7684\u7edd\u5bf9\u8def\u5f84&#xff0c;\u4e5f\u4e0d\u9700\u8981\u8c03\u7528 link_directories()\u3002CMake \u80fd\u8bc6\u522b\u76ee\u6807\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb&#xff0c;\u5e76\u6309\u6b63\u786e\u987a\u5e8f\u5b8c\u6210\u6784\u5efa\u3002<\/p>\n<p>target_link_libraries() \u548c target_include_directories() \u4e2d\u7ecf\u5e38\u51fa\u73b0\u4e09\u4e2a\u5173\u952e\u5b57&#xff1a;<\/p>\n<ul>\n<li>PRIVATE&#xff1a;\u53ea\u4f9b\u5f53\u524d\u76ee\u6807\u4f7f\u7528&#xff1b;<\/li>\n<li>PUBLIC&#xff1a;\u5f53\u524d\u76ee\u6807\u4f7f\u7528&#xff0c;\u540c\u65f6\u4f20\u9012\u7ed9\u4f9d\u8d56\u5b83\u7684\u76ee\u6807&#xff1b;<\/li>\n<li>INTERFACE&#xff1a;\u5f53\u524d\u76ee\u6807\u81ea\u5df1\u4e0d\u7528&#xff0c;\u53ea\u4f20\u9012\u7ed9\u4f7f\u7528\u8005\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u5e93\u7684\u5934\u6587\u4ef6\u4e3a\u4f8b&#xff1a;<\/p>\n<p>target_include_directories(calc<br \/>\n    PUBLIC ${PROJECT_SOURCE_DIR}\/include<br \/>\n)<\/p>\n<p>calc \u7f16\u8bd1\u65f6\u9700\u8981\u8be5\u76ee\u5f55&#xff0c;\u94fe\u63a5 calc \u7684\u7a0b\u5e8f\u4e5f\u9700\u8981\u901a\u8fc7\u8be5\u76ee\u5f55\u627e\u5230\u516c\u5f00\u5934\u6587\u4ef6&#xff0c;\u56e0\u6b64\u8fd9\u91cc\u4f7f\u7528 PUBLIC\u3002<\/p>\n<p>\u800c\u5e94\u7528\u7a0b\u5e8f\u94fe\u63a5 calc \u65f6\u901a\u5e38\u5199&#xff1a;<\/p>\n<p>target_link_libraries(calculator PRIVATE calc)<\/p>\n<p>\u5e94\u7528\u7a0b\u5e8f\u672c\u8eab\u4e0d\u4f1a\u518d\u88ab\u5176\u4ed6\u76ee\u6807\u5f53\u4f5c\u5e93\u6765\u4f7f\u7528&#xff0c;\u6240\u4ee5\u6ca1\u6709\u5fc5\u8981\u5411\u5916\u4f20\u9012\u8fd9\u4e2a\u4f9d\u8d56\u3002<\/p>\n<h3>\u4e5d\u3001\u7528\u591a\u7ea7 CMakeLists.txt \u7ba1\u7406\u5de5\u7a0b<\/h3>\n<p>\u4e0b\u9762\u628a\u8ba1\u7b97\u5668\u62c6\u6210\u5e93\u548c\u5e94\u7528\u7a0b\u5e8f\u4e24\u4e2a\u90e8\u5206&#xff1a;<\/p>\n<p>calculator\/<br \/>\n\u251c\u2500\u2500 CMakeLists.txt<br \/>\n\u251c\u2500\u2500 include\/<br \/>\n\u2502   \u2514\u2500\u2500 calc\/<br \/>\n\u2502       \u2514\u2500\u2500 calc.h<br \/>\n\u251c\u2500\u2500 src\/<br \/>\n\u2502   \u251c\u2500\u2500 CMakeLists.txt<br \/>\n\u2502   \u2514\u2500\u2500 calc.cpp<br \/>\n\u2514\u2500\u2500 app\/<br \/>\n    \u251c\u2500\u2500 CMakeLists.txt<br \/>\n    \u2514\u2500\u2500 main.cpp<\/p>\n<p>\u5934\u6587\u4ef6 include\/calc\/calc.h&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token keyword\">namespace<\/span> calc<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> left<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> right<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">sub<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> left<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> right<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5b9e\u73b0\u6587\u4ef6 src\/calc.cpp&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;calc\/calc.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">namespace<\/span> calc<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> left<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> right<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> left <span class=\"token operator\">&#043;<\/span> right<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">sub<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> left<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> right<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> left <span class=\"token operator\">&#8211;<\/span> right<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7a0b\u5e8f\u5165\u53e3 app\/main.cpp&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;calc\/calc.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;20 &#043; 10 &#061; &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> calc<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token char\">&#039;\\\\n&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;20 &#8211; 10 &#061; &#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> calc<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">sub<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token char\">&#039;\\\\n&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6839\u76ee\u5f55\u7684 CMakeLists.txt \u8d1f\u8d23\u5de5\u7a0b\u7ea7\u914d\u7f6e\u548c\u6dfb\u52a0\u5b50\u76ee\u5f55&#xff1a;<\/p>\n<p>cmake_minimum_required(VERSION 3.16)<\/p>\n<p>project(Calculator VERSION 1.0 LANGUAGES CXX)<\/p>\n<p>set(CMAKE_CXX_STANDARD 17)<br \/>\nset(CMAKE_CXX_STANDARD_REQUIRED ON)<br \/>\nset(CMAKE_CXX_EXTENSIONS OFF)<\/p>\n<p>set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}\/bin)<br \/>\nset(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}\/lib)<br \/>\nset(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}\/lib)<\/p>\n<p>add_subdirectory(src)<br \/>\nadd_subdirectory(app)<\/p>\n<p>src\/CMakeLists.txt \u521b\u5efa\u9759\u6001\u5e93&#xff1a;<\/p>\n<p>add_library(calc STATIC<br \/>\n    calc.cpp<br \/>\n)<\/p>\n<p>target_include_directories(calc<br \/>\n    PUBLIC ${PROJECT_SOURCE_DIR}\/include<br \/>\n)<\/p>\n<p>app\/CMakeLists.txt \u521b\u5efa\u53ef\u6267\u884c\u7a0b\u5e8f\u5e76\u94fe\u63a5\u5e93&#xff1a;<\/p>\n<p>add_executable(calculator<br \/>\n    main.cpp<br \/>\n)<\/p>\n<p>target_link_libraries(calculator PRIVATE calc)<\/p>\n<p>\u6784\u5efa\u5e76\u8fd0\u884c&#xff1a;<\/p>\n<p>cmake <span class=\"token parameter variable\">-S<\/span> <span class=\"token builtin class-name\">.<\/span> <span class=\"token parameter variable\">-B<\/span> build <span class=\"token parameter variable\">-DCMAKE_BUILD_TYPE<\/span><span class=\"token operator\">&#061;<\/span>Debug<br \/>\ncmake <span class=\"token parameter variable\">&#8211;build<\/span> build<br \/>\n.\/build\/bin\/calculator<\/p>\n<p>\u8f93\u51fa&#xff1a;<\/p>\n<p>20 &#043; 10 &#061; 30<br \/>\n20 &#8211; 10 &#061; 10<\/p>\n<p>\u8fd9\u4e2a\u7ed3\u6784\u7684\u5173\u952e\u4e0d\u662f\u628a\u4e00\u4e2a\u5f88\u957f\u7684 CMakeLists.txt \u62c6\u6210\u51e0\u4e2a\u77ed\u6587\u4ef6&#xff0c;\u800c\u662f\u8ba9\u6bcf\u4e2a\u5b50\u76ee\u5f55\u53ea\u8d1f\u8d23\u5b9a\u4e49\u81ea\u5df1\u7684\u76ee\u6807\u3002\u6839\u76ee\u5f55\u8d1f\u8d23\u7ec4\u7ec7&#xff0c;\u5e93\u76ee\u5f55\u8d1f\u8d23\u516c\u5f00\u4f7f\u7528\u8981\u6c42&#xff0c;\u5e94\u7528\u76ee\u5f55\u8d1f\u8d23\u7ec4\u5408\u76ee\u6807&#xff0c;\u4f9d\u8d56\u5173\u7cfb\u4f1a\u66f4\u6e05\u695a\u3002<\/p>\n<h3>\u5341\u3001\u6dfb\u52a0\u5b8f\u5b9a\u4e49\u548c\u65e5\u5fd7<\/h3>\n<p>\u5982\u679c\u53ea\u60f3\u7ed9\u67d0\u4e2a\u76ee\u6807\u5b9a\u4e49 DEBUG \u5b8f&#xff0c;\u53ef\u4ee5\u4f7f\u7528&#xff1a;<\/p>\n<p>target_compile_definitions(calculator PRIVATE DEBUG)<\/p>\n<p>\u5bf9\u5e94\u7684 C&#043;&#043; \u4ee3\u7801&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">DEBUG<\/span><\/span><br \/>\nstd<span class=\"token double-colon punctuation\">::<\/span>cout <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token string\">&#034;debug mode&#034;<\/span> <span class=\"token operator\">&lt;&lt;<\/span> std<span class=\"token double-colon punctuation\">::<\/span>endl<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">endif<\/span><\/span><\/p>\n<p>\u76f8\u6bd4\u5168\u5c40\u7684 add_definitions(-DDEBUG)&#xff0c;\u76ee\u6807\u7ea7\u547d\u4ee4\u4e0d\u4f1a\u5f71\u54cd\u65e0\u5173\u7684\u5e93\u6216\u7a0b\u5e8f\u3002<\/p>\n<p>\u6392\u67e5\u914d\u7f6e\u95ee\u9898\u65f6&#xff0c;\u53ef\u4ee5\u4f7f\u7528 message() \u8f93\u51fa\u53d8\u91cf&#xff1a;<\/p>\n<p>message(STATUS &#034;source dir: ${PROJECT_SOURCE_DIR}&#034;)<br \/>\nmessage(STATUS &#034;binary dir: ${PROJECT_BINARY_DIR}&#034;)<\/p>\n<p>\u9700\u8981\u4e3b\u52a8\u7ec8\u6b62\u914d\u7f6e\u65f6&#xff0c;\u53ef\u4ee5\u5199&#xff1a;<\/p>\n<p>if(NOT EXISTS &#034;${PROJECT_SOURCE_DIR}\/include&#034;)<br \/>\n    message(FATAL_ERROR &#034;include directory not found&#034;)<br \/>\nendif()<\/p>\n<p>STATUS \u7528\u4e8e\u666e\u901a\u63d0\u793a&#xff0c;WARNING \u4f1a\u663e\u793a\u8b66\u544a\u4f46\u7ee7\u7eed\u914d\u7f6e&#xff0c;FATAL_ERROR \u4f1a\u7acb\u5373\u7ec8\u6b62\u914d\u7f6e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u521a\u5f00\u59cb\u5199 C \u65f6&#xff0c;\u9879\u76ee\u91cc\u53ea\u6709\u4e00\u4e2a main.cpp&#xff0c;\u76f4\u63a5\u6267\u884c\u4e00\u6761 g 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