When GDB is configured for a particular environment, it understands debugging information in whatever format is the standard generated for that environment; you may use either a GNU compiler, or other compilers that adhere to the local conventions.

• 当GDB为一个特别的环境配置好后，它识别这一环境中产生的标准的不分格式的调试信息；你既可以使用一个gnu的编译器，也可以使用遵循本地习惯的编译器。