os.jam

来自「boost库提供标准的C++ API 配合dev c++使用,功能更加强大」· JAM 代码 · 共 52 行

#  (C) Copyright David Abrahams 2001. Permission to copy, use, modify, sell and
#  distribute this software is granted provided this copyright notice appears in
#  all copies. This software is provided "as is" without express or implied
#  warranty, and with no claim as to its suitability for any purpose.

import modules ;
name = [ modules.peek : OS ] ;
platform = [ modules.peek : OSPLAT ] ;
version = [ modules.peek : OSVER ] ;

rule name { return $(name) ; }
rule platform { return $(platform) ; }
rule version { return $(version) ; }

# Returns true if running on windows, whether in cygwin or not.
rule on-windows 
{
    local result ;
    if [ modules.peek : NT ] 
    {
        result = true ;
    }
    else if [ modules.peek : UNIX ] 
    {
        switch [ modules.peek : JAMUNAME ] 
        {
            case CYGWIN* :
            {
                result = true ;
            }
        }
    }
    return $(result) ;
}

     

import regex ;

rule __test__
{
    import assert ;
    rule identity ( args * ) { return $(args) ; }

    if ! ( --quiet in [ modules.peek : ARGV ] )
    {
        ECHO os: name= [ name ] ;
        ECHO os: version= [ version ] ;
    }
    assert.true name ;
}