And more yet, after an edit and USE_CLANG=true make images CONF=fastdebug (note "true", not "1", plus I removed some offending flags)
It fails, for lack of symbols. Backups are looking better than ever, and I don't recommend this upgrade quite yet. Making adlc Undefined symbols for architecture x86_64: "std::ostream::operator<<(int)", referenced from: printline(std::ostream&, char const*, int, char const*, int, int) in filebuff.o "std::ios_base::Init::Init()", referenced from: ___cxx_global_var_init in adlparse.o ___cxx_global_var_init in archDesc.o ___cxx_global_var_init in arena.o ___cxx_global_var_init in dfa.o ___cxx_global_var_init in dict2.o ___cxx_global_var_init in filebuff.o ___cxx_global_var_init in forms.o ... "std::ios_base::Init::~Init()", referenced from: ___cxx_global_var_init in adlparse.o ___cxx_global_var_init in archDesc.o ___cxx_global_var_init in arena.o ___cxx_global_var_init in dfa.o ___cxx_global_var_init in dict2.o ___cxx_global_var_init in filebuff.o ___cxx_global_var_init in forms.o ... "std::basic_ostream<char, std::char_traits<char> >& std::operator<<<std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*)", referenced from: FileBuffRegion::print(std::ostream&) in filebuff.o printline(std::ostream&, char const*, int, char const*, int, int) in filebuff.o "std::basic_ostream<char, std::char_traits<char> >& std::operator<<<std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char)", referenced from: printline(std::ostream&, char const*, int, char const*, int, int) in filebuff.o expandtab(std::ostream&, int, char, char, char) in filebuff.o "operator delete[](void*)", referenced from: getRegMask(char const*) in archDesc.o ArchDesc::calc_cost(__sFILE*, char const*, MatchList&, ProductionState&) in dfa.o child_test(__sFILE*, MatchList&) in dfa.o ArchDesc::declare_register_masks(__sFILE*) in output_c.o defineRegClassEnum(__sFILE*, RegisterForm*) in output_c.o ArchDesc::build_register_masks(__sFILE*) in output_c.o pipeline_reads_initializer(__sFILE*, NameList&, PipeClassForm*) in output_c.o ... "operator delete(void*)", referenced from: HeaderForm::~HeaderForm() in adlparse.o PreHeaderForm::~PreHeaderForm() in adlparse.o FileBuff::~FileBuff() in filebuff.o FileBuffRegion::~FileBuffRegion() in filebuff.o FileBuffRegion::merge(FileBuffRegion*) in filebuff.o SourceForm::~SourceForm() in forms.o Form::~Form() in forms.o ... "operator new[](unsigned long)", referenced from: toUpper(char const*) in archDesc.o getRegMask(char const*) in archDesc.o ArchDesc::stack_or_reg_mask(OperandForm&) in archDesc.o FileBuff::FileBuff(BufferedFile*, ArchDesc&) in filebuff.o base_plus_suffix(char const*, char const*) in main.o pipeline_reads_initializer(__sFILE*, NameList&, PipeClassForm*) in output_c.o pipeline_res_stages_initializer(__sFILE*, PipelineForm*, NameList&, PipeClassForm*) in output_c.o ... "operator new(unsigned long)", referenced from: ADLParser::instr_parse() in adlparse.o ADLParser::oper_parse() in adlparse.o ADLParser::opclass_parse() in adlparse.o ADLParser::ins_attr_parse() in adlparse.o ADLParser::op_attr_parse() in adlparse.o ADLParser::source_parse() in adlparse.o ADLParser::source_hpp_parse() in adlparse.o ... (maybe you meant: __ZnwmiPKci) ld: symbol(s) not found for architecture x86_64