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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

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.

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

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

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 ...

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 ...

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 ...

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:.

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

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 …

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

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：

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

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

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。

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

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> .

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 ...

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 - ...

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 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 ...