On 01/04/2019 13:11, Martin Liška wrote: > Hi. > > Last week I was curious which warnings are disabled by default on top > of -Wall and -Wextra. Thus I used --help=warning and noticed some discrepancy > in between documentation and output of the --help option. > > I created PR89885 where I explained that OPT__help_ option handling happens > early. That's why LangEnabledBy are not reflected and similarly target > overrides > don't take place. > > I'm attaching diff for --help=warning for C++ and -Ofast. > > Thoughts?
since this change on arm-* and aarch64-* running RUNTESTFLAGS=help.exp i see FAIL: compiler driver --help=params --help=optimizers option(s): "maximum number of" present in output FAIL: compiler driver --help=params option(s): "[^.]$" absent from output: "e" (indeed previously there were several 'max-*' params in the output now there are none) > > gcc/ChangeLog: > > 2019-04-01 Martin Liska <mli...@suse.cz> > > * gcc.c (process_command): Add dummy file only > if n_infiles == 0. > * opts-global.c (decode_options): Pass lang_mask. > * opts.c (print_help): New function. > (finish_options): Print --help if help_option_argument > is set. > (common_handle_option): Factor out content of OPT__help_ > into print_help. > * opts.h (finish_options): Add new argument. > --- > gcc/gcc.c | 3 +- > gcc/opts-global.c | 2 +- > gcc/opts.c | 267 ++++++++++++++++++++++++---------------------- > gcc/opts.h | 3 +- > 4 files changed, 146 insertions(+), 129 deletions(-) > >
