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As CMake processes the listfiles in your project this variable will always be set to the directory where the listfile which is currently being processed ( CMAKE_CURRENT_LIST_FILE) is located. The value has dynamic scope. When CMake starts processing commands in a source file it sets this variable to the directory where this file is located. When CMake finishes processing commands from the file it restores the previous value.

Directory: A variable set outside of a function will have the scope of the current CMakeLists.txt directory. It will be available to child ...

In a build, cached variables are set in the command line or in a graphical tool (such as ccmake , cmake-gui ), and then written to a file called CMakeCache.txt ...

cmake-variables (7) ¶. cmake-variables (7) ¶. This page documents variables that are provided by CMake or have meaning to CMake when set by project code. For general information on variables, see the Variables section in the cmake-language manual. begin with _ followed by the name of any CMake Command.

Non-list variables are actually lists too (of a single element). Lists can be operated on with the list() command, which allows concatenating lists, ...

Use that variable instead. CMAKE_CACHEFILE_DIR The directory with the CMakeCache.txt file. This is the full path to the directory that has the ...

It's important to know how CMake distinguishes between lists and plain strings. When you write: set(VAR "a b c") you create a string with the value "a b c". But when you write this line without quotes: set(VAR a b c) You create a list of three items instead: "a", "b" and "c". Non-list variables are actually lists too (of a single element).

txt will go to. CMAKE_CURRENT_SOURCE_DIR : this is the directory where the currently processed CMakeLists.txt is located in.

As CMake processes the listfiles in your project this variable will always be set to the directory where the listfile which is currently ...

Strings and Lists#. It's important to know how CMake distinguishes between lists and plain strings. When you write: set (VAR "a b c") you create a string with the value "a b c". But when you write this line without quotes: set (VAR a b c) You create a list of three items instead: "a", "b" and "c". Non-list variables are actually lists too (of a ...

Variables that Provide Information¶ · CMAKE_AR · CMAKE_ARGC · CMAKE_ARGV0 · CMAKE_BINARY_DIR · CMAKE_BUILD_TOOL · CMAKE_CACHE_MAJOR_VERSION · CMAKE_CACHE_MINOR_VERSION ...

A list in cmake is a ; separated group of strings. To create a list the set command can be used. For example, set (var a b c d e) creates a list with a;b;c;d;e, and set (var "a b c d e") creates a string or a list with one item in it. (Note macro arguments are not variables, and therefore cannot be used in LIST commands.)

CMake has the concept of scope; you can access the value of the variable after you set it as long as you are in the same scope. If you leave a function or a ...

You create a list of three items instead: "a", "b" and "c". Non-list variables are actually lists too (of a single element). Lists can be operated on with the list () command, which allows concatenating lists, searching them, accessing arbitrary elements and so on ( documentation of list () ). Somewhat confusing, a list is also a string. The line

Jul 16, 2015 · Ideally, there would be a way to create a meta-variable that holds a list of variables that I want to pass to the function. Then, I could add mylib_LIBRARIES only in certain cases. Pseudo code: include (FindPackageHandleStandardArgs) # create empty list list (APPEND mylib_LIBRARIES "") # the bar variable is always used meta_list (APPEND METALIST bar) # in some cases add the used variable mylib_LIBRARIES to the METALIST if (A) list (APPEND mylib_LIBRARIES "foo") meta_list (APPEND METALIST ...

The list subcommands APPEND, INSERT, FILTER, PREPEND , POP_BACK, POP_FRONT, REMOVE_AT, REMOVE_ITEM , REMOVE_DUPLICATES, REVERSE and SORT may create new values for the list within the current CMake variable scope.

The Scope or "What value does my variable have?" · Meaning variables set(...) · So if you are in a sub-directory or a function you can modify an ...

15.07.2015 · Is there a way to have a list of variables in CMake? Specifically, what I want to do is call an existing function that takes multiple variables and checks whether they evaluate to true. In some cases, some of those variables will be empty lists (which evaluate to false) and the function fails (as intended).

cmake-variables (7) Variables that Provide Information. Variables that Change Behavior. Variables that Describe the System. Variables that Control the Build. Variables for Languages. Variables for CTest. Variables for CPack. Variable Expansion Operators.