The current AQTime version must get debug information in the stabs (symbol table) format.
To specify the format of generated debug information, you use compiler settings. The exact setting to be specified depends on the GCC version you use. For detailed information, please see Options for Debugging Your Program or GNU CC or a similar topic in the GCC Compiler Guide.
In general, you can try using the -g setting. It commands the compiler to generate debug information in the format that is native to the operating system. For Cygwin, this format is stabs.
If -g does not work, try using -gstabs+.
In future versions of GCC the setting's meaning may change. So, for complete information on GCC options that control creation of debug information, please see the GCC Compiler Guide.