* elf64-gen.c (elf_generic_info_to_howto): Add unused attribute.
(elf_generic_info_to_howto_rel): Likewise.
* coff-alpha.c (reloc_nil): Likewise.
(alpha_ecoff_bad_format_hook): Likewise.
(alpha_adjust_reloc_out): Likewise.
(alpha_bfd_reloc_type_lookup): Likewise.
(alpha_convert_external_reloc): Likewise.
* elf64-alpha.c (elf64_alpha_reloc_nil): Likewise.
(elf64_alpha_reloc_bad): Likewise.
(elf64_alpha_reloc_gpdisp): Likewise.
(elf64_alpha_bfd_reloc_type_lookup): Likewise.
(elf64_alpha_info_to_howto): Likewise.
(elf64_alpha_add_symbol_hook): Likewise.
(elf64_alpha_create_got_section): Likewise.
(elf64_alpha_is_local_label_name): Likewise.
(elf64_alpha_merge_ind_symbols): Likewise.
* elf64-mips.c (mips_elf64_reloc_type_lookup): Likewise.
(mips_elf64_get_reloc_upper_bound): Likewise.
* nlm32-alpha.c (nlm_alpha_mangle_relocs): Likewise.
(nlm_alpha_get_public_offset): Likewise.