On Mon, 2 Mar 2009, Joseph S. Myers wrote:
> On Mon, 2 Mar 2009, Takis Psarogiannakopoulos wrote: > > > > The only use of > > > SUBTARGET_SWITCHES was to be expanded by the TARGET_SWITCHES macro. > > > > > Exactly. The feature was there for the last 15 years of developemnt of > > GCC. Whats replacing it? Nothing? > > Options are defined using .opt files. The set of such files used is > determined through extra_options in config.gcc. You could readily have > determined this for yourself by grepping for option names present in > *_SWITCHES in older versions and seeing where they now appear, or by > reading the internals manual which has a chapter "Option specification > files". > Also you saying basically that there is no other way to customize GCC (anymore) other than to hack the original .opt source files. I would prefer really to hack a .c file than the .opt files. Regards,
