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Check operating system. IF(CMAKE_SYSTEM_NAME STREQUAL Linux) ... Test if an environment variable is defined, bail out if it is not.

Learn the syntax for conditionals in CMake: if - elseif - else - endif ... CMake offers boolean operator for string comparisons, such as STREQUAL for string ...

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

Aug 06, 2021 · I believed correct syntax for the if(EQUAL) would be like try_run(runcode buildOK ...) if(runcode EQUAL 0) endif() That usually works, but I ran into a CentOS 8 ...

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 02-cmake语法-if、条件表达 - 路边的十元钱 …

Jul 31, 2012 · I'd like to do a test of the form IF(${CMAKE_SYSTEM_NAME} NOT MATCHES "Linux"). This doesn't appear to work, and the only documentation I can find is a mailing-list post from 2002, which suggests the NOT isn't valid for cmake prior to 1.2. . Is this still the case in later cmake versions, specifically 2.6 and/or 2.8?

CMakeの値はすべて文字列型ですが、この条件式の文脈では以下の値がBoolean値として認識されます。また、これらの値は大文字・小文字の区別がされません。 真と解釈される値. 0でない数値; ON; YES; TRUE; Y

26.08.2020 · 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。 2.

If there is a variable named test, then we do variable-value comparison: if (test ... before we even had ${test} variable expansion in the CMake language.

Oct 23, 2015 · The cmake online documentation is great, make liberal use of it. cmake:if command breaks down the whole thing. – grim. Oct 15, 2013 at 1:20. 2.

Evaluates the condition argument of the if clause according to the Condition syntax described below. If the result is true, then the commands in the if block are executed. . Otherwise, optional elseif blocks are processed in the sa

Unary tests such as EXISTS, COMMAND, and DEFINED. Binary tests such as EQUAL, LESS, LESS_EQUAL, GREATER, GREATER_EQUAL, STREQUAL, STRLESS, STRLESS_EQUAL, ...

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

Control Flow

28.07.2014 · CMake----if与option使用小记. 在CMake中if语法比较简单，if后面括号中的参数随着CMake版本的推进，在else和endif中也可以不用写了。. 对于if语法，比较常用的就是字符串比较了，这里个人简单用到过两种，一种是这个变量有没有定义过。. 有两种写法可以验证. 两种都 ...

The if command was written very early in CMake's history, predating the $ {} variable evaluation syntax, and for convenience evaluates variables named by its arguments as shown in the above signatures. Note that normal variable evaluation with $ {} applies before the if command even receives the arguments. Therefore code like

Oct 06, 2011 · According to the CMake documentation, the STREQUAL comparison is allowed to take either a VARIABLE or a STRING as either parameter. So, in this example below, the message does NOT print, which is broken: set ( FUBARTEST "OK" ) if ( FUBARTEST STREQUAL "OK" ) message ( "It Worked" ) endif () Any reason why this isn't working as documented? cmake

I'd like to do a test of the form IF(${CMAKE_SYSTEM_NAME} NOT MATCHES "Linux") . This doesn't appear to work, and the only documentation I can ...

hi there, how do I test if a string is empty ("") or not ? IF( ${test} STREQUAL "" ) gives the wrong number of arguments if ${test ...

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set(A "") set(B "A") # save name of the variable if(${B} STREQUAL "") message("Value of ${B} is an empty string") endif(). If a CMake policy CMP0054 is set ...

if(<variable|string> STREQUAL <variable|string>): True if the given string or variable's value is lexicographically equal to the string or variable on the right ...

+CMake" matchResultVar "People should use CMake") 105 if(NOT "${matchResultVar}" STREQUAL "People should use CMake") 106 message(SEND_ERROR "string(REGEX ...

30.07.2012 · What is CMake equivalent of 'configure --prefix=DIR && make all install '? 2. cmake doesn't link libGLU using QtOpenGL. 530. Debug vs Release in CMake. 150. How to start working with GTest and CMake. 534. Looking for a 'cmake clean' command to clear up CMake output. 5.