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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).

Usually this task is solved with simple string REPLACE command. You can find a number of such replaces in scripts coming with cmake.

Jul 16, 2013 · You could write a function to join the items of a list together with a delimiter, and then print that out instead. For example, such a function: function (ListToString result delim) list (GET ARGV 2 temp) math (EXPR N "$ {ARGC}-1") foreach (IDX RANGE 3 $ {N}) list (GET ARGV $ {IDX} STR) set (temp "$ {temp}$ {delim}$ {STR}") endforeach () set ($ {result} "$ {temp}" PARENT_SCOPE) endfunction (ListToString)

Join all the <input> arguments together using the <glue> string and store the result in the named <output_variable>. To join a list's elements, prefer to use the JOIN operator from the list() command. This allows for the elements to have special characters like ; in them.

Can the list operations in cmake be carried out on a list with space separated elements without converting this list to cmakes' inner format?

01.08.2013 · Three typical CMake string concatenation methods. While the answer to this particular question will be best handled via set or string, there is a third possibility which is list if you want to join strings with an arbitrary character.. set() Just combine strings like in bash

mbed_os_dir = os.path.join(project_root_dir, "mbed-src") ... Get a string containing CMake code for a list with the given name. """.

To join a list's elements, prefer to use the JOIN operator from the list() command. This allows for the elements to have special characters like ; in them. string( TOLOWER <string> <output_variable> )

A list in cmake is a ; separated group of strings. ... To join multiple strings, which are not part of a list, use JOIN operator from string() command.

list (JOIN <list> <glue> <output variable>) New in version 3.12. Returns a string joining all list's elements using the glue string. To join multiple strings, which are not part of a list, use JOIN operator from string () command. list (SUBLIST <list> <begin> <length> <output variable>) New in version 3.12. Returns a sublist of the given list.

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

Browse other questions tagged list join cmake or ask your own question. The Overflow Blog Celebrating the Stack Exchange sites that turned ten years old in Q1 2022

1.3 JOIN：子命令JOIN用于将列表中的元素用连接字符串连接起来组成一个字符串，注意，此时返回的结果已经不是一个列表。 list (JOIN <list> <glue> <output variable>) 将列表中的元素用<glue>链接起来，组成一个字符串后，返回给<output variable>变量。

... use of list(JOIN ...) on CMake >= 3.12, # but on Ubuntu 18 the apt package installs 3.10 instead function(getCSVStringFromList inputList ...

The above message can appear during the compiling of mpm on ubuntu 18.04. To resolve, make sure the version of CMake is up to date. Check this with: $ cmake ...

Aug 01, 2013 · When it comes to things like compiler flags, this is the tool of choice. Lists in CMake are just semicolon separated strings and when you quote them, you get the list joined with semicolons. list(APPEND FLAGS "-D option1") list(APPEND FLAGS "-D option2") list(APPEND FLAGS "-D option3") list(JOIN FLAGS " " FLAGS) message(STATUS "FLAGS: " ${FLAGS})

Note. When specifying index values, if <element index> is 0 or greater, it is indexed from the beginning of the list, with 0 representing the first list element. If <element index> is -1 or lesser, it is indexed from the end of the list, with -1 representing the last list element. Be careful when counting with negative indices: they do not start from 0. -0 is equivalent to 0, the first list elem

The usage is: set (SOME_LIST a b c d) join (RESULT "/" $ {SOME_LIST}) message (STATUS "RESULT='$ {RESULT}'") # outputs RESULT='a/b/c/d' # or join (RESULT " " e f g h) message (STATUS "RESULT='$ {RESULT}'") # outputs RESULT='e f g h'. Share. Follow this answer to receive notifications. answered Aug 5, 2015 at 12:20.

CMake · CMake · Merge requests !1846. An error occurred while fetching the assigned milestone of the selected merge_request. Merged.

Returns a string joining all list's elements using the glue string. To join multiple strings, which are not part of a list, use JOIN operator from string() ...

A CMake list is a semicolon-separated sequence of elements. And since everything in CMake is a string, this means that a list is a ...