http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48337
--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> 2011-03-29 14:51:01 UTC --- On Tue, 29 Mar 2011, ro at gcc dot gnu.org wrote: > 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] Try adding Init(PROCESSOR_V7) to the lines in sparc.opt defining sparc_cpu and sparc_cpu_and_features. It appears an explicit initializer of 0 for these enums isn't being accepted even where an implicit 0 from the lack of initializer (when a variable rather than a field was used) was accepted.
