CMake 3.3.0 發布，自動化建構系統

CMake是一個跨平臺的安裝(編譯)工具,可以用簡單的語句來描述所有平臺的安裝(編譯過程)。他能夠輸出各種各樣的makefile或者project文件,能測試編譯器所支持的C++特性,類似UNIX下的automake。

CMake 使用方法

CMake 的所有的語句都寫在一個叫:CMakeLists.txt 的文件中。當CMakeLists.txt文件確定后,可以用ccmake命令對相關 的變量值進行配置。這個命令必須指向CMakeLists.txt所在的目錄。配置完成之后,應用cmake命令生成相應的makefile（在Unix like系統下）或者 project文件（指定用window下的相應編程工具編譯時）。

    其基本操作流程為：

1. $> ccmake directory

2. $> cmake directory

3. $> make

  其中directory為CMakeList.txt所在目錄；

• 第一條語句用于配置編譯選項，如VTK_DIR目錄 ，一般這一步不需要配置，直接執行第二條語句即可，但當出現錯誤時，這里就需要認為配置了，這一步才真正派上用場；
• 第二條命令用于根據CMakeLists.txt生成Makefile文件；
• 第三條命令用于執行Makefile文件，編譯程序，生成可執行文件；

• * The "if()" command learned a new "IN_LIST" operator that evaluates  to true if a given element is contained in a named list.

• * The "add_dependencies()" command learned to allow dependencies to  be added to *interface libraries*. Dependencies added to an  interface library are followed transitively in its place since the  target itself does not build.

• * The "find_library()", "find_path()", and "find_file()" commands now search in installation prefixes derived from the "PATH" environment variable.

• * The "<LANG>_VISIBILITY_PRESET" and "VISIBILITY_INLINES_HIDDEN"  target properties now affect compilation in sources of all target  types.  See policy "CMP0063".

• * A "<LANG>_INCLUDE_WHAT_YOU_USE" target property and supporting "CMAKE_<LANG>_INCLUDE_WHAT_YOU_USE" variable were introduced to tell  the *Makefile Generators* and the "Ninja" generator to run "include-  what-you-use" along with the compiler for "C" and "CXX" languages.

更多內容請查看：發行說明