Linux:
export PATH=$PATH:/path/to/bin
Windows:
set %PATH%=%PATH%:\path\to\bin
例如:
如果ARM GNU工具链安装在C:\ Program Files(x86)\ GNU Tools ARM Embedded \ 4.9 2015q2 \ bin下,请将路径设置为:set%PATH%=%PATH%:C:\ Program Files(x86)\ GNU Tools ARM Embedded \ 4.9 2015q2 \ bin