Different *CFLAGS in gcc/Makefile.in

[Ralf Wildenhues]

* Basile STARYNKEVITCH wrote on Tue, Mar 18, 2008 at 09:06:33PM CET:
> in gcc/Makefile.in there are many different *CFLAGS, notablye
>
> ALL_CFLAGS = $(X_CFLAGS) $(T_CFLAGS) \
>   $(CFLAGS) $(INTERNAL_CFLAGS) $(COVERAGE_FLAGS) $(WARN_CFLAGS)  
> $(XCFLAGS) @DEFS@
>
> Do anyone have a precise idea of what all these *CFLAGS are exactly for?

AFAICS each warning flag is described where it is defined.  So just
search for ^INTERNAL_CFLAGS, for example.

Cheers,
Ralf