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Jan 28, 2020 · CMake 专栏收录该内容 7 篇文章 18 订阅 订阅专栏 一、基本语法 if(<condition>) <commands> elseif(<condition>) # optional block, can be repeated <commands> else() # optional block <commands> endif() 1 2 3 4 5 6 7 如果需要对项目进行有条件的编译，则需要用到if-else语句。 二、基本用法 比如需要根据操作系统执行不同的代码：

31.07.2021 · 一、基本语法 如果需要对项目进行有条件的编译，则需要用到if-else语句。 二、基本用法 比如需要根据操作系统执行不同的代码： 三、其他用法 1. 逻辑运算 2. 特殊语句

The if command was written very early in CMake's history, predating the ${} variable evaluation syntax, and for convenience evaluates variables named by …

格式： 例子： strequal 是 cmake 的关键字，用于字符串比较，相同返回 true ${cmake_source_dir} 是 cmake 的自保留变量（拿来用就可以，含义已经确

elseif. Starts an elseif portion of an if block. elseif(<condition>). See the if() command, especially for the syntax and logic of the <condition> .

cmake if else with option. Ask Question Asked 8 years ago. Modified 1 year, 2 months ago. Viewed 84k times 49 4. I have a problem using ...

Since all variables in CMake are strings, the syntax for if and foreach appears in a few different variants. if if(<condition>) # <commands> elseif(<condition>) # optional block, can be repeated # <commands> else() # optional block # <commands> endif() The truth value of the conditions in the if and elseif blocks is determined by boolean operators.

elseif¶. Starts an elseif portion of an if block. elseif(<condition>). See the if() command, especially for the syntax and logic of the <condition> .

Learn how to define variables with set and use them with the ${} operator for variable references. Learn the syntax for conditionals in CMake: if - elseif - ...

Adding else / elseif : ... If a CMake policy CMP0054 is set to OLD or not present at all (before CMake 3.1), this operation ignores quotes:.

That's because the value of the option is stored in the cache ( CMakeCache.txt ). If you change the default value in the CMakeLists but the ...

See the if() command, especially for the syntax and logic of the <condition>.

26.08.2020 · 转载makelists语法 一、常用命令 1.指定 cmake 的最小版本 cmake_minimum_required(VERSION 3.4.1) 这行命令是可选的，我们可以不写这句话，但在有些情况下，如果 CMakeLists.txt 文件中使用了一些高版本 cmake 特有的一些命令的时候，就需要加上这样一行，提醒用户升级到该版本之后再执行 cmake。

if — CMake 3.23.0-rc2 Documentation if ¶ Conditionally execute a group of commands. Synopsis ¶ if (<condition>) <commands> elseif (<condition>) # optional block, can be repeated <commands> else () # optional block <commands> endif () Evaluates the condition argument of the if clause according to the Condition syntax described below.

24.08.2020 · CMake简介 CMake 是做什么的？CMake是一套类似于automake的跨平台辅助项目编译的工具。我觉得语法更加简单易用。CMake的工作流程 CMake处理顶级目录的CMakeLists.txt（CMake的配置文件，配置了子目录，编译目标，编译依赖等等），最后根据配置生成相应的MakeFile。。 使用make命令既可以进行

else¶. Starts the else portion of an if block. else([<condition>])See the if() command.

Aug 26, 2020 · 一、Cmake 简介 cmake 是一个跨平台、开源的构建系统。它是一个集软件构建、测试、打包于一身的软件。它使用与平台和编译器独立的配置文件来对软件编译过程进行控制。 二、常用命令 1. 指定 cmake 的最小版本 cmake_minimum_required(VERSION 3.4.1) 2. 设置项目名称 project ...

28.01.2020 · CMake简介 CMake 是做什么的？CMake是一套类似于automake的跨平台辅助项目编译的工具。我觉得语法更加简单易用。 CMake的工作流程 CMake处理顶级目录的CMakeLists.txt（CMake的配置文件，配置了子目录，编译目标，编译依赖等等），最后根据配置生成相应的MakeFile。。 使用make命令既可以进行编

elseif ¶ Starts an elseif portion of an if block. elseif (<condition>) See the if () command, especially for the syntax and logic of the <condition>.

Starts the elseif portion of an if block. ... See the if() command. ... Licensed under the BSD 3-clause License. https://cmake.org/cmake/help/v3.9 ...

The elseif and else sections are optional. You may have multiple elseif clauses. Note that the expression in the else and endif clause is optional. Long ...

I had a similar problem and was able to solve it using a slightly different approach. I needed some compilation flags to be added in case cmake was invoked with an option from the command line (i.e cmake -DUSE_MY_LIB=ON).If the option was missing in the cmake invocation I wanted to go back to default case which was turning the option off.. I ran into the same issues, where the …