Mastering CMake.md

Mastering CMake

二、Hello World for CMake

2.3 Basic CMake Usage and Syntax

The CMake language is expressed as a series of commands. Each command is evaluated in the order that it appears in the CMakeLists.txt file.

cmmand(args ...)

• command: the name of the command, case insensitives after version 2.2;
• args: is a white-space separated list of arguments;

// args list
// Foo = [a, b, c] in common programming language
set (Foo a b c)	

// using args list, syntax below
add_executable(demo ${Foo})	// demo is the executable target

环境变量读取方法：

// kind of linux/unix
$ENV{VAR}

// windows
[HKEY_CURRENT_USER\\Software\\path1\\path2;key]