Tp
Tells the compiler to process a file as a C++ source file.
Kc++, TP
Tells the compiler to process all source or unrecognized file types as C++ source files. This option is deprecated.
tprofile, Qtprofile
Generates instrumentation to analyze multi-threading performance. This is a deprecated option.
traceback
Tells the compiler to generate extra information in the object file to provide source file traceback information when a severe error occurs at run time.