![]() ![]() Assuming the build number is located in the file BuildNumber.txt in a single line, the following command will read it into the CMake variable BUILDNUMBER: Also see the file command reference. This restores not only a value of the CACHE variable, but also its type, which is shown in CMake GUI. You can use the CMake command file (STRINGS. Normal variables are meant for the internal use of the script (just like variables in most programming languages) they are not persisted across CMake runs. Variable types in CMake In CMake there are two types of variables: normal variables and cache variables. CMake allows a target to specify include directories, preprocessor symbols etc. in which case the environment variable will be set. There is a much better way to do this than to set variables in the parent scope. ![]() Note, that in case of restoring parameter, set(CACHE TYPE FORCE) command flow is used instead of set(CACHE INTERNAL). bar, Id like to set a variable barINCLUDEDIR which is added to the include paths of any depending executable. if you do not have a GPU, you must set both of the following variables. If the PARENTSCOPE option is given, the variable will be set in the. When you set a variable it is visible to the current CMakeLists file. CMake is an extensible, open-source system that manages the build process in an. # The library will be created according to "original" value for BUILD_SHARED_LIBS option. Use the FORCECMAKE1 environment variable to force the use of cmake and install. Variables in CMake have a scope that is a little different from most languages. CMake: access variable in defining scope from within a function. CMake: Howto modify a variable from inside a function. What CMake Tools is missing is a way to set these values, or override these values, from inside vscode without going through hoops. How to set 'global' cmake variables from within a cmake function. ![]() I'm using cmake v3.13 and I want to change my ExternalProject_Add() for the SEAL library to: include(FetchContent)Īdd_subdirectory($ CACHE BOOL "Type of libraries to build" FORCE) While CMakePresets.json is supposed to be the sole source of truth, the use of environment variables to set machine-specific values is standard practice, it even appears in CMake Tools own documentation. ![]()
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