# CMakeLists.txtif(YES)message("YES")endif()if(NOTFOUND)else()message("Not found")endif() # 命令行中执行cmake.后的输出 YES Not found if(<variable>) 如果给定的变量有定义,且值不是0,OFF,NO,FALSE,N,IGNORE,NOTFOUND,空字符串,以NOTFOUND为后缀时为真; 其他情况该判断为假; 注意:宏参数和...
字符串 NOTFOUND:特别在查找库或程序时,如果未找到,这个值表示假。 空字符串:表示没有值,解释为假。 # 示例:变量设置为非零值 set(MY_VAR 42) if(MY_VAR) message("MY_VAR is true") endif() # 示例:变量设置为假值字符串 set(MY_VAR "FALSE") if(NOT MY_VAR) message("MY_VAR is false") ...
Add the installation prefix of "glog" to CMAKE_PREFIX_PATH or set "glog_DIR" to a directory containing one of the above files. If "glog" provides a separate development package or SDK, be sure it has been installed. 修改后仍显示Eigen3_DIR-NOTFOUND,网上也有类似的帖子,不过很少 https://...
3.7 if 语句块 代码语言:javascript 复制 ## 第一种格式 if(variable) # If variable is `ON`, `YES`, `TRUE`, `Y`, or non zero number else() # If variable is `0`, `OFF`, `NO`, `FALSE`, `N`, `IGNORE`, `NOTFOUND`, `""`, or ends in `-NOTFOUND` endif() # If variable...
对于if(string)来说: 如果string为(不区分大小写)1、ON、YES、TRUE、Y、非 0的数则表示真 如果string为(不区分大小写)0、OFF、NO、FALSE、N、IGNORE、空字符串、以 -NOTFOUND结尾的字符串则表示假 如果string不符合上面两种情况,则 string被认为是一个变量的名字。变量的值为第二条所述的各值则表示假,否则...
To build the documentation, installSphinxand configure CMake with-DSPHINX_HTML=ONand/or-DSPHINX_MAN=ONto enable the "html" or "man" builder. Add-DSPHINX_EXECUTABLE=/path/to/sphinx-buildif the tool is not found automatically. To run the test suite, runctestin the CMake build directory aft...
Starting in Visual Studio 2022 version 17.1 Preview 2, if your top-level CMakeLists.txt exists in a subfolder and not at the root of the workspace, you'll be prompted whether you'd like to enable CMake integration or not. For more information, see CMake partial activation. Once CMake...
YES, TRUE, Y, or a non-zero number. Falseifthe constant is0, OFF, NO, FALSE, N, IGNORE, NOTFOUND, the emptystring, or endsinthe suffix -NOTFOUND. Named boolean constants arecase-insensitive. If the argument is not one of these constants, it is treated as a variable.if(<variable>...
If the optionCPM_LOCAL_PACKAGES_ONLYis set, CPM will emit an error if the dependency is not found locally. These options can also be set as environmental variables. In the case thatfind_packagerequires additional arguments, the parameterFIND_PACKAGE_ARGUMENTSmay be specified in theCPMAddPackageca...
elseif (NOT FLEX_FOUND) message(WARNING "Missing Flex.\nYou won't be able to generate source codes from changed flex/bison files.\nCompiling libyang should still works fine.") else() if (BISON_VERSION VERSION_LESS 3) set(EMPTYDIR "") else () set(EMPTYDIR "%empty") endif(...