Set some debugger is default

[Freed-Wu]

We can also pass -d parameters, call debugger programs such as gdb/lldb, load the target file for debugging:

$ xmake run -d

xmake will use the debugger that comes with the system to load the program.currently it supports: lldb, gdb, windbg, vsjitdebugger, ollydbg and other debuggers.

xmake f --menu display the setting of Set debugger is auto. How can we let
some debugger has higher priority than other debuggers by some config file or environment var?

[waruqi]

set_config("debugger", "xxx")

[Freed-Wu]

For every project, it must be write to xmake.lua every time? Is there any global config?

[waruqi]

xmake g --debugger=xxx