fail to map group of size 2 for tab size 512 modules/parsers/nasm/nasm-parse.c:1661:1: warning: no previous prototype for 'gas_intel_syntax_parse_instr' [-Wmissing-prototypes] modules/dbgfmts/dwarf2/dwarf2-line.c: In function 'yasm_dwarf2__generate_line': modules/dbgfmts/dwarf2/dwarf2-line.c:694:20: warning: variable 'last' set but not used [-Wunused-but-set-variable] modules/dbgfmts/stabs/stabs-dbgfmt.c: In function 'stabs_dbgfmt_generate': modules/dbgfmts/stabs/stabs-dbgfmt.c:319:29: warning: variable 'nullbc' set but not used [-Wunused-but-set-variable] modules/objfmts/elf/elf.c: In function 'elf_set_arch': modules/objfmts/elf/elf.c:85:12: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] modules/objfmts/elf/elf.c: In function 'elf_symtab_write_to_file': modules/objfmts/elf/elf.c:471:31: warning: variable 'prev' set but not used [-Wunused-but-set-variable] modules/objfmts/elf/elf.c: In function 'elf_secthead_write_relocs_to_file': modules/objfmts/elf/elf.c:791:22: warning: variable 'vis' set but not used [-Wunused-but-set-variable] modules/objfmts/coff/coff-objfmt.c: In function 'coff_objfmt_output_value': modules/objfmts/coff/coff-objfmt.c:527:62: warning: variable 'csymd' set but not used [-Wunused-but-set-variable] modules/objfmts/macho/macho-objfmt.c: In function 'macho_objfmt_output_secthead': modules/objfmts/macho/macho-objfmt.c:733:24: warning: variable 'objfmt_macho' set but not used [-Wunused-but-set-variable] modules/objfmts/macho/macho-objfmt.c: In function 'macho_objfmt_output_str': modules/objfmts/macho/macho-objfmt.c:973:35: warning: variable 'xsymd' set but not used [-Wunused-but-set-variable] modules/objfmts/macho/macho-objfmt.c: In function 'macho_objfmt_output': modules/objfmts/macho/macho-objfmt.c:1040:18: warning: variable 'macho_relinfosize' set but not used [-Wunused-but-set-variable] modules/objfmts/rdf/rdf-objfmt.c: In function 'rdf_objfmt_output_value': modules/objfmts/rdf/rdf-objfmt.c:186:22: warning: variable 'objfmt_rdf' set but not used [-Wunused-but-set-variable] modules/objfmts/xdf/xdf-objfmt.c: In function 'xdf_objfmt_output_value': modules/objfmts/xdf/xdf-objfmt.c:152:22: warning: variable 'objfmt_xdf' set but not used [-Wunused-but-set-variable] modules/objfmts/xdf/xdf-objfmt.c: In function 'xdf_objfmt_output_secthead': modules/objfmts/xdf/xdf-objfmt.c:378:22: warning: variable 'objfmt_xdf' set but not used [-Wunused-but-set-variable] libyasm/section.c: In function 'yasm_object_optimize': libyasm/section.c:1318:24: warning: variable 'prevbc' set but not used [-Wunused-but-set-variable] frontends/tasm/tasm-options.c: In function 'help_msg': frontends/tasm/tasm-options.c:105:23: warning: variable 'optopt' set but not used [-Wunused-but-set-variable]