Hi Art,
> This morning's build on sparc-sun-solaris2.10 failed for me; the error
> message in 'stage_2' is below:
>
> options.c:753:3: error: enum conversion in initialization is invalid in C++
> [-Werror=c++-compat]
> options.c:753:3: error: (near initialization for
> 'global_options_init.x_sparc_cpu_and_features') [-Werror=c++-compat]
> options.c:755:3: error: enum conversion in initialization is invalid in C++
> [-Werror=c++-compat]
> options.c:755:3: error: (near initialization for
> 'global_options_init.x_sparc_cpu') [-Werror=c++-compat]
> cc1: all warnings being treated as errors
>
> My build on Friday worked, so the likely culprit is this change
> from today:
>
> 2011-03-28 Joseph Myers <jos...@codesourcery.com>
>
> * config/sparc/sparc-opts.h: New.
> * config/sparc/sparc.c (sparc_handle_option, sparc_select,
> sparc_cpu, fpu_option_set, TARGET_HANDLE_OPTION): Remove.
> (sparc_option_override): Store processor_type enumeration rather
> than string in cpu_default. Remove name and enumeration from
> cpu_table. Directly default -mcpu then default -mtune from -mcpu
> without using sparc_select. Use target_flags_explicit instead of
> fpu_option_set.
> * config/sparc/sparc.h (enum processor_type): Move to
> sparc-opts.h.
> (sparc_cpu, struct sparc_cpu_select, sparc_select): Remove.
> * config/sparc/sparc.opt (config/sparc/sparc-opts.h): New
> HeaderInclude entry.
> (mcpu=, mtune=): Use Var and Enum.
> (sparc_processor_type): New Enum and EnumValue entries.
>
> The relevant lines of the auto-generated 'options.c' file look like this:
>
> 752: 0, /* sparc_cmodel_string */
> 753: 0, /* sparc_cpu_and_features */
> 754: 0, /* sparc_std_struct_return */
> 755: 0, /* sparc_cpu */
> 756: 0, /* asm_file_name */
I've just run into this myself and filed PR bootstrap/48337 for the
issue. In general, you should do so yourself and Cc: the maintainers
and patch author. It's a better way to get attention than just posting
to the gcc list.
Thanks.
Rainer
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Rainer Orth, Center for Biotechnology, Bielefeld University
