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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).

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 ...

If you leave a function or a file in a sub directory, the variable will no longer be defined. You can set a variable in the scope immediately above your ...

Similar to the set() command, the LIST command creates new variable values in the current scope, even if the list itself is actually defined in a parent scope.

You can use the command line to set entries in the Cache with the syntax cmake -D var:type=value , just cmake -D var=value or with cmake -C ...

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).

Introduction ¶. 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. Similar to the set () command, the LIST command creates new variable values in the current scope, even if the list ...

# CMakeLists.txt cmake_minimum_required (VERSION 3.12.2) project (list_cmd_test) set (list_test a b c d) message (">>> TRANSFORM-list: ${list_test}") list (TRANSFORM list_test APPEND Q AT 1 2 OUTPUT_VARIABLE list_test_out) list (TRANSFORM list_test APPEND Q AT 1 2) message (">>> TRANSFORM-AT: ${list_test} --- ${list_test_out}")

See the cmake-language(7) variables documentation for the scopes and interaction of normal variables and cache entries. Signatures of this command that specify a <value>... placeholder expect zero or more arguments. Multiple arguments will be joined as a semicolon-separated list to form the actual variable value to be set. Zero arguments will cause normal variables to be unset.

Thus, we often build lists in variables by calling SET with more than one ... here can be handled using the native CMake LIST command.

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.

txt file in your build directory there. Things like the compiler location, as discovered or set on the first run, are cached. Here's what a cached variable ...

09.06.2020 · cmake -G %1 -DBUILD_SHARED_LIBS=ON -DBUILD_STATIC_LIBS=ON -DBUILD_TESTS=ON .. You have to enter all your command-line definitions before including the path. Show activity on this post. An additional option is to go to your build folder and use the command ccmake . This is like the GUI but terminal based.

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.)

Jun 24, 2015 · Or better with list(): list(APPEND MyList "a" "b" "c") list(APPEND MyList "d") Lists of File Names: set(MySourcesList "File.name" "File with Space.name") list(APPEND MySourcesList "File.name" "File with Space.name") add_excutable(MyExeTarget ${MySourcesList}) The Documentation. CMake/Language Syntax; CMake: Variables Lists Strings; CMake: Useful Variables

set¶. Set a normal, cache, or environment variable to a given value. See the cmake-language(7) variables documentation for the scopes and interaction of normal variables and cache entries.. Signatures of this command that specify a <value>... placeholder expect zero or more arguments. Multiple arguments will be joined as a semicolon-separated list to form the actual variable …

23.06.2015 · Lists in CMake are just strings with semicolons delimiters and therefore the quotation-marks are important. set (MyVar a b c) is "a;b;c" and set (MyVar "a b c") is "a b c". The recommendation is that you always use quotation marks with the one exception when you want to give a list as list. Generally prefer the list () command for handling lists.

set(source_list "nothing") function(test file_path) list(APPEND source_list ${file_path}) endfunction(test) test(abc.txt) test(def.txt) message("At last, the source_list is:\"${source_list}\"") The cmake output: At last, the source_list is:"nothing" Someone suggested that to use macro instead of function, but I do need use local variable, so I need to use the function instead of macro. How can I correctly set the global variable source_list in the function test()? Can't cmake do it in a ...

set(newstring "${string}"). Converting a list back into a string requires a foreach loop or a regex. The problem is there are some variables in CMake which ...

A CMake list is a semicolon-separated sequence of elements. ... As you can see a list may be declared using the set command.

15.03.2021 · So we have a list, let’s look at what can be done with it. Operations on lists. CMake lists can be iterated, searched, sorted, reversed, transformed. Recent versions of CMake support quite a rich set of operations – pretty much everything you’d expect is there.

Lists can be operated on with the list() command, which allows concatenating lists, searching them, accessing arbitrary elements and so on (documentation of ...