/* Handle switch SCODE with argument ARG. VALUE is true, unless no-
form of an -f or -W option was given. Returns 0 if the switch was
invalid, a negative number to prevent language-independent
processing in toplev.c (a hack necessary for the short-term). */
int
c_common_handle_option (size_t scode, const char *arg, int value)
{
const struct cl_option *option = &cl_options[scode];
enum opt_code code = (enum opt_code) scode;
int result = 1;
/* Prevent resetting the language standard to a C dialect when the driver
has already determined that we're looking at assembler input. */
bool preprocessing_asm_p = (cpp_get_options (parse_in)->lang == CLK_ASM);
switch (code)
{
default:
if (cl_options[code].flags & (CL_C | CL_CXX | CL_ObjC | CL_ObjCXX))
break;
#ifdef CL_Fortran
if (lang_fortran && (cl_options[code].flags & (CL_Fortran)))
break;
#endif
result = 0;
break;
case OPT__output_pch_:
pch_file = arg;
break;
case OPT_A:
defer_opt (code, arg);
break;
case OPT_C:
cpp_opts->discard_comments = 0;
break;
case OPT_CC:
cpp_opts->discard_comments = 0;
cpp_opts->discard_comments_in_macro_exp = 0;
break;
case OPT_D:
defer_opt (code, arg);
break;
case OPT_E:
flag_preprocess_only = 1;
break;
case OPT_H:
cpp_opts->print_include_names = 1;
break;
case OPT_F:
TARGET_OPTF (xstrdup (arg));
break;
case OPT_I:
if (strcmp (arg, "-"))
add_path (xstrdup (arg), BRACKET, 0, true);
else
{
if (quote_chain_split)
error ("-I- specified twice");
quote_chain_split = true;
split_quote_chain ();
inform ("obsolete option -I- used, please use -iquote instead");
}
break;
case OPT_M:
case OPT_MM:
/* When doing dependencies with -M or -MM, suppress normal
preprocessed output, but still do -dM etc. as software
depends on this. Preprocessed output does occur if -MD, -MMD
or environment var dependency generation is used. */
cpp_opts->deps.style = (code == OPT_M ? DEPS_SYSTEM: DEPS_USER);
flag_no_output = 1;
cpp_opts->inhibit_warnings = 1;
break;
case OPT_MD:
case OPT_MMD:
cpp_opts->deps.style = (code == OPT_MD ? DEPS_SYSTEM: DEPS_USER);
deps_file = arg;
break;
case OPT_MF:
deps_seen = true;
deps_file = arg;
break;
case OPT_MG:
deps_seen = true;
cpp_opts->deps.missing_files = true;
break;
case OPT_MP:
deps_seen = true;
cpp_opts->deps.phony_targets = true;
break;
case OPT_MQ:
case OPT_MT:
deps_seen = true;
defer_opt (code, arg);
break;
case OPT_P:
flag_no_line_commands = 1;
break;
case OPT_fworking_directory:
flag_working_directory = value;
break;
case OPT_U:
defer_opt (code, arg);
break;
case OPT_Wall:
/* APPLE LOCAL -Wmost */
case OPT_Wmost:
set_Wunused (value);
set_Wformat (value);
set_Wimplicit (value);
warn_char_subscripts = value;
warn_missing_braces = value;
/* APPLE LOCAL begin -Wmost --dpatel */
if (code != OPT_Wmost)
warn_parentheses = value;
/* APPLE LOCAL end -Wmost --dpatel */
warn_return_type = value;
warn_sequence_point = value; /* Was C only. */
if (c_dialect_cxx ())
warn_sign_compare = value;
warn_switch = value;
set_warn_strict_aliasing (value);
warn_strict_overflow = value;
warn_address = value;
/* Only warn about unknown pragmas that are not in system
headers. */
warn_unknown_pragmas = value;
/* We save the value of warn_uninitialized, since if they put
-Wuninitialized on the command line, we need to generate a
warning about not using it without also specifying -O. */
if (warn_uninitialized != 1)
warn_uninitialized = (value ? 2 : 0);
if (!c_dialect_cxx ())
/* We set this to 2 here, but 1 in -Wmain, so -ffreestanding
can turn it off only if it's not explicit. */
warn_main = value * 2;
else
{
/* C++-specific warnings. */
warn_reorder = value;
warn_nontemplate_friend = value;
}
cpp_opts->warn_trigraphs = value;
cpp_opts->warn_comments = value;
cpp_opts->warn_num_sign_change = value;
cpp_opts->warn_multichar = value; /* Was C++ only. */
if (warn_pointer_sign == -1)
warn_pointer_sign = 1;
break;
case OPT_Wcomment:
case OPT_Wcomments:
cpp_opts->warn_comments = value;
break;
case OPT_Wdeprecated:
cpp_opts->warn_deprecated = value;
break;
case OPT_Wendif_labels:
cpp_opts->warn_endif_labels = value;
break;
case OPT_Werror:
cpp_opts->warnings_are_errors = value;
global_dc->warning_as_error_requested = value;
break;
case OPT_Werror_implicit_function_declaration:
mesg_implicit_function_declaration = 2;
break;
case OPT_Wformat:
set_Wformat (value);
break;
case OPT_Wformat_:
set_Wformat (atoi (arg));
break;
case OPT_Wimplicit:
set_Wimplicit (value);
break;
case OPT_Wimport:
/* Silently ignore for now. */
break;
case OPT_Winvalid_pch:
cpp_opts->warn_invalid_pch = value;
break;
case OPT_Wmain:
if (value)
warn_main = 1;
else
warn_main = -1;
break;
case OPT_Wmissing_include_dirs:
cpp_opts->warn_missing_include_dirs = value;
break;
case OPT_Wmultichar:
cpp_opts->warn_multichar = value;
break;
/* APPLE LOCAL begin -Wnewline-eof */
case OPT_Wnewline_eof:
cpp_opts->warn_newline_at_eof = value;
break;
/* APPLE LOCAL end -Wnewline-eof */
case OPT_Wnormalized_:
if (!value || (arg && strcasecmp (arg, "none") == 0))
cpp_opts->warn_normalize = normalized_none;
else if (!arg || strcasecmp (arg, "nfkc") == 0)
cpp_opts->warn_normalize = normalized_KC;
else if (strcasecmp (arg, "id") == 0)
cpp_opts->warn_normalize = normalized_identifier_C;
else if (strcasecmp (arg, "nfc") == 0)
cpp_opts->warn_normalize = normalized_C;
else
error ("argument %qs to %<-Wnormalized%> not recognized", arg);
break;
case OPT_Wreturn_type:
warn_return_type = value;
break;
case OPT_Wstrict_null_sentinel:
warn_strict_null_sentinel = value;
break;
case OPT_Wsystem_headers:
cpp_opts->warn_system_headers = value;
break;
case OPT_Wtraditional:
cpp_opts->warn_traditional = value;
break;
case OPT_Wtrigraphs:
cpp_opts->warn_trigraphs = value;
break;
case OPT_Wundef:
cpp_opts->warn_undef = value;
break;
case OPT_Wunknown_pragmas:
/* Set to greater than 1, so that even unknown pragmas in
system headers will be warned about. */
warn_unknown_pragmas = value * 2;
break;
case OPT_Wunused_macros:
warn_unused_macros = value;
break;
case OPT_Wvariadic_macros:
warn_variadic_macros = value;
break;
case OPT_Wwrite_strings:
warn_write_strings = value;
break;
case OPT_Weffc__:
warn_ecpp = value;
if (value)
warn_nonvdtor = true;
break;
case OPT_ansi:
if (!c_dialect_cxx ())
set_std_c89 (false, true);
else
set_std_cxx98 (true);
break;
case OPT_d:
handle_OPT_d (arg);
break;
case OPT_fcond_mismatch:
if (!c_dialect_cxx ())
{
flag_cond_mismatch = value;
break;
}
/* Fall through. */
case OPT_fall_virtual:
case OPT_falt_external_templates:
case OPT_fenum_int_equiv:
case OPT_fexternal_templates:
case OPT_fguiding_decls:
case OPT_fhonor_std:
case OPT_fhuge_objects:
case OPT_flabels_ok:
case OPT_fname_mangling_version_:
case OPT_fnew_abi:
case OPT_fnonnull_objects:
case OPT_fsquangle:
case OPT_fstrict_prototype:
case OPT_fthis_is_variable:
case OPT_fvtable_thunks:
case OPT_fxref:
case OPT_fvtable_gc:
warning (0, "switch %qs is no longer supported", option->opt_text);
break;
case OPT_faccess_control:
flag_access_control = value;
break;
case OPT_fasm:
flag_no_asm = !value;
break;
case OPT_fbuiltin:
flag_no_builtin = !value;
break;
case OPT_fbuiltin_:
if (value)
result = 0;
else
disable_builtin_function (arg);
break;
case OPT_fdirectives_only:
cpp_opts->directives_only = 1;
break;
case OPT_fdollars_in_identifiers:
cpp_opts->dollars_in_ident = value;
break;
case OPT_ffreestanding:
value = !value;
/* Fall through.... */
case OPT_fhosted:
flag_hosted = value;
flag_no_builtin = !value;
/* warn_main will be 2 if set by -Wall, 1 if set by -Wmain */
if (!value && warn_main == 2)
warn_main = 0;
break;
case OPT_fshort_double:
flag_short_double = value;
break;
case OPT_fshort_enums:
flag_short_enums = value;
break;
case OPT_fshort_wchar:
flag_short_wchar = value;
break;
case OPT_fsigned_bitfields:
flag_signed_bitfields = value;
break;
case OPT_fsigned_char:
flag_signed_char = value;
break;
case OPT_funsigned_bitfields:
flag_signed_bitfields = !value;
break;
case OPT_funsigned_char:
flag_signed_char = !value;
break;
case OPT_fcheck_new:
flag_check_new = value;
break;
case OPT_fconserve_space:
flag_conserve_space = value;
break;
case OPT_fconstant_string_class_:
constant_string_class_name = arg;
break;
case OPT_fdefault_inline:
flag_default_inline = value;
break;
case OPT_felide_constructors:
flag_elide_constructors = value;
break;
case OPT_fenforce_eh_specs:
flag_enforce_eh_specs = value;
break;
case OPT_fextended_identifiers:
cpp_opts->extended_identifiers = value;
break;
case OPT_ffor_scope:
flag_new_for_scope = value;
break;
case OPT_fgnu_keywords:
flag_no_gnu_keywords = !value;
break;
case OPT_fgnu_runtime:
flag_next_runtime = !value;
break;
case OPT_fhandle_exceptions:
warning (0, "-fhandle-exceptions has been renamed -fexceptions (and is now on by default)");
flag_exceptions = value;
break;
case OPT_fimplement_inlines:
flag_implement_inlines = value;
break;
case OPT_fimplicit_inline_templates:
flag_implicit_inline_templates = value;
break;
case OPT_fimplicit_templates:
flag_implicit_templates = value;
break;
case OPT_flax_vector_conversions:
flag_lax_vector_conversions = value;
break;
case OPT_fms_extensions:
flag_ms_extensions = value;
break;
case OPT_fnext_runtime:
flag_next_runtime = value;
break;
case OPT_fnil_receivers:
flag_nil_receivers = value;
break;
case OPT_fnonansi_builtins:
flag_no_nonansi_builtin = !value;
break;
case OPT_foperator_names:
cpp_opts->operator_names = value;
break;
case OPT_foptional_diags:
flag_optional_diags = value;
break;
case OPT_fpch_deps:
cpp_opts->restore_pch_deps = value;
break;
case OPT_fpch_preprocess:
flag_pch_preprocess = value;
break;
case OPT_fpermissive:
flag_permissive = value;
break;
case OPT_fpreprocessed:
cpp_opts->preprocessed = value;
break;
case OPT_freplace_objc_classes:
flag_replace_objc_classes = value;
break;
case OPT_frepo:
flag_use_repository = value;
if (value)
flag_implicit_templates = 0;
break;
case OPT_frtti:
flag_rtti = value;
break;
case OPT_fshow_column:
cpp_opts->show_column = value;
break;
case OPT_fstats:
flag_detailed_statistics = value;
break;
case OPT_ftabstop_:
/* It is documented that we silently ignore silly values. */
if (value >= 1 && value <= 100)
cpp_opts->tabstop = value;
break;
case OPT_fexec_charset_:
cpp_opts->narrow_charset = arg;
break;
case OPT_fwide_exec_charset_:
cpp_opts->wide_charset = arg;
break;
case OPT_finput_charset_:
cpp_opts->input_charset = arg;
break;
case OPT_ftemplate_depth_:
max_tinst_depth = value;
break;
case OPT_fuse_cxa_atexit:
flag_use_cxa_atexit = value;
break;
case OPT_fuse_cxa_get_exception_ptr:
flag_use_cxa_get_exception_ptr = value;
break;
case OPT_fvisibility_inlines_hidden:
visibility_options.inlines_hidden = value;
break;
case OPT_fweak:
flag_weak = value;
break;
case OPT_fthreadsafe_statics:
flag_threadsafe_statics = value;
break;
case OPT_fzero_link:
flag_zero_link = value;
break;
case OPT_gen_decls:
flag_gen_declaration = 1;
break;
case OPT_femit_struct_debug_baseonly:
set_struct_debug_option ("base");
break;
case OPT_femit_struct_debug_reduced:
set_struct_debug_option ("dir:ord:sys,dir:gen:any,ind:base");
break;
case OPT_femit_struct_debug_detailed_:
set_struct_debug_option (arg);
break;
case OPT_idirafter:
add_path (xstrdup (arg), AFTER, 0, true);
break;
case OPT_imacros:
case OPT_include:
defer_opt (code, arg);
break;
case OPT_imultilib:
imultilib = arg;
break;
case OPT_iprefix:
iprefix = arg;
break;
case OPT_iquote:
add_path (xstrdup (arg), QUOTE, 0, true);
break;
case OPT_isysroot:
sysroot = arg;
break;
case OPT_isystem:
add_path (xstrdup (arg), SYSTEM, 0, true);
break;
case OPT_iwithprefix:
add_prefixed_path (arg, SYSTEM);
break;
case OPT_iwithprefixbefore:
add_prefixed_path (arg, BRACKET);
break;
case OPT_lang_asm:
cpp_set_lang (parse_in, CLK_ASM);
cpp_opts->dollars_in_ident = false;
break;
case OPT_lang_fortran:
lang_fortran = true;
break;
case OPT_lang_objc:
cpp_opts->objc = 1;
break;
case OPT_nostdinc:
std_inc = false;
break;
case OPT_nostdinc__:
std_cxx_inc = false;
break;
case OPT_o:
if (!out_fname)
out_fname = arg;
else
error ("output filename specified twice");
break;
/* We need to handle the -pedantic switches here, rather than in
c_common_post_options, so that a subsequent -Wno-endif-labels
is not overridden. */
case OPT_pedantic_errors:
cpp_opts->pedantic_errors = 1;
/* Fall through. */
case OPT_pedantic:
cpp_opts->pedantic = 1;
cpp_opts->warn_endif_labels = 1;
if (warn_pointer_sign == -1)
warn_pointer_sign = 1;
if (warn_overlength_strings == -1)
warn_overlength_strings = 1;
break;
case OPT_print_objc_runtime_info:
print_struct_values = 1;
break;
case OPT_print_pch_checksum:
c_common_print_pch_checksum (stdout);
exit_after_options = true;
break;
case OPT_remap:
cpp_opts->remap = 1;
break;
case OPT_std_c__98:
case OPT_std_gnu__98:
if (!preprocessing_asm_p)
set_std_cxx98 (code == OPT_std_c__98 /* ISO */);
break;
case OPT_std_c89:
case OPT_std_iso9899_1990:
case OPT_std_iso9899_199409:
if (!preprocessing_asm_p)
set_std_c89 (code == OPT_std_iso9899_199409 /* c94 */, true /* ISO */);
break;
case OPT_std_gnu89:
if (!preprocessing_asm_p)
set_std_c89 (false /* c94 */, false /* ISO */);
break;
case OPT_std_c99:
case OPT_std_c9x:
case OPT_std_iso9899_1999:
case OPT_std_iso9899_199x:
if (!preprocessing_asm_p)
set_std_c99 (true /* ISO */);
break;
case OPT_std_gnu99:
case OPT_std_gnu9x:
if (!preprocessing_asm_p)
set_std_c99 (false /* ISO */);
break;
case OPT_trigraphs:
cpp_opts->trigraphs = 1;
break;
case OPT_traditional_cpp:
cpp_opts->traditional = 1;
break;
case OPT_undef:
flag_undef = 1;
break;
case OPT_w:
cpp_opts->inhibit_warnings = 1;
break;
case OPT_v:
verbose = true;
break;
}
return result;
}
/* Handle switch SCODE with argument ARG. VALUE is true, unless no-
form of an -f or -W option was given. Returns false if the switch was
invalid, true if valid. Use HANDLERS in recursive handle_option calls. */
bool
c_common_handle_option (size_t scode, const char *arg, int value,
int kind, location_t loc,
const struct cl_option_handlers *handlers)
{
const struct cl_option *option = &cl_options[scode];
enum opt_code code = (enum opt_code) scode;
bool result = true;
/* Prevent resetting the language standard to a C dialect when the driver
has already determined that we're looking at assembler input. */
bool preprocessing_asm_p = (cpp_get_options (parse_in)->lang == CLK_ASM);
switch (code)
{
default:
if (cl_options[code].flags & c_family_lang_mask)
{
if ((option->flags & CL_TARGET)
&& ! targetcm.handle_c_option (scode, arg, value))
result = false;
break;
}
result = false;
break;
case OPT__output_pch_:
pch_file = arg;
break;
case OPT_A:
defer_opt (code, arg);
break;
case OPT_C:
cpp_opts->discard_comments = 0;
break;
case OPT_CC:
cpp_opts->discard_comments = 0;
cpp_opts->discard_comments_in_macro_exp = 0;
break;
case OPT_D:
defer_opt (code, arg);
break;
case OPT_H:
cpp_opts->print_include_names = 1;
break;
case OPT_F:
TARGET_OPTF (xstrdup (arg));
break;
case OPT_I:
if (strcmp (arg, "-"))
add_path (xstrdup (arg), BRACKET, 0, true);
else
{
if (quote_chain_split)
error ("-I- specified twice");
quote_chain_split = true;
split_quote_chain ();
inform (input_location, "obsolete option -I- used, please use -iquote instead");
}
break;
case OPT_M:
case OPT_MM:
/* When doing dependencies with -M or -MM, suppress normal
preprocessed output, but still do -dM etc. as software
depends on this. Preprocessed output does occur if -MD, -MMD
or environment var dependency generation is used. */
cpp_opts->deps.style = (code == OPT_M ? DEPS_SYSTEM: DEPS_USER);
flag_no_output = 1;
break;
case OPT_MD:
case OPT_MMD:
cpp_opts->deps.style = (code == OPT_MD ? DEPS_SYSTEM: DEPS_USER);
cpp_opts->deps.need_preprocessor_output = true;
deps_file = arg;
break;
case OPT_MF:
deps_seen = true;
deps_file = arg;
break;
case OPT_MG:
deps_seen = true;
cpp_opts->deps.missing_files = true;
break;
case OPT_MP:
deps_seen = true;
cpp_opts->deps.phony_targets = true;
break;
case OPT_MQ:
case OPT_MT:
deps_seen = true;
defer_opt (code, arg);
break;
case OPT_P:
flag_no_line_commands = 1;
break;
case OPT_U:
defer_opt (code, arg);
break;
case OPT_Wall:
/* ??? Don't add new options here. Use LangEnabledBy in c.opt. */
cpp_opts->warn_trigraphs = value;
cpp_opts->warn_comments = value;
cpp_opts->warn_num_sign_change = value;
break;
case OPT_Wbuiltin_macro_redefined:
cpp_opts->warn_builtin_macro_redefined = value;
break;
case OPT_Wcomment:
cpp_opts->warn_comments = value;
break;
case OPT_Wc___compat:
cpp_opts->warn_cxx_operator_names = value;
break;
case OPT_Wdeprecated:
cpp_opts->cpp_warn_deprecated = value;
break;
case OPT_Wendif_labels:
cpp_opts->warn_endif_labels = value;
break;
case OPT_Winvalid_pch:
cpp_opts->warn_invalid_pch = value;
break;
case OPT_Wliteral_suffix:
cpp_opts->warn_literal_suffix = value;
break;
case OPT_Wlong_long:
cpp_opts->cpp_warn_long_long = value;
break;
case OPT_Wmissing_include_dirs:
cpp_opts->warn_missing_include_dirs = value;
break;
case OPT_Wmultichar:
cpp_opts->warn_multichar = value;
break;
case OPT_Wnormalized_:
if (kind == DK_ERROR)
{
gcc_assert (!arg);
inform (input_location, "-Werror=normalized=: set -Wnormalized=nfc");
cpp_opts->warn_normalize = normalized_C;
}
else
{
if (!value || (arg && strcasecmp (arg, "none") == 0))
cpp_opts->warn_normalize = normalized_none;
else if (!arg || strcasecmp (arg, "nfkc") == 0)
cpp_opts->warn_normalize = normalized_KC;
else if (strcasecmp (arg, "id") == 0)
cpp_opts->warn_normalize = normalized_identifier_C;
else if (strcasecmp (arg, "nfc") == 0)
cpp_opts->warn_normalize = normalized_C;
else
error ("argument %qs to %<-Wnormalized%> not recognized", arg);
break;
}
case OPT_Wtraditional:
cpp_opts->cpp_warn_traditional = value;
break;
case OPT_Wtrigraphs:
cpp_opts->warn_trigraphs = value;
break;
case OPT_Wundef:
cpp_opts->warn_undef = value;
break;
case OPT_Wunknown_pragmas:
/* Set to greater than 1, so that even unknown pragmas in
system headers will be warned about. */
/* ??? There is no way to handle this automatically for now. */
warn_unknown_pragmas = value * 2;
break;
case OPT_ansi:
if (!c_dialect_cxx ())
set_std_c89 (false, true);
else
set_std_cxx98 (true);
break;
case OPT_d:
handle_OPT_d (arg);
break;
case OPT_fcanonical_system_headers:
cpp_opts->canonical_system_headers = value;
break;
case OPT_fcond_mismatch:
if (!c_dialect_cxx ())
{
flag_cond_mismatch = value;
break;
}
warning (0, "switch %qs is no longer supported", option->opt_text);
break;
case OPT_fbuiltin_:
if (value)
result = false;
else
disable_builtin_function (arg);
break;
case OPT_fdirectives_only:
cpp_opts->directives_only = value;
break;
case OPT_fdollars_in_identifiers:
cpp_opts->dollars_in_ident = value;
break;
case OPT_ffreestanding:
value = !value;
/* Fall through.... */
case OPT_fhosted:
flag_hosted = value;
flag_no_builtin = !value;
break;
case OPT_fconstant_string_class_:
constant_string_class_name = arg;
break;
case OPT_fextended_identifiers:
cpp_opts->extended_identifiers = value;
break;
case OPT_foperator_names:
cpp_opts->operator_names = value;
break;
case OPT_fpch_deps:
cpp_opts->restore_pch_deps = value;
break;
case OPT_fpch_preprocess:
flag_pch_preprocess = value;
break;
case OPT_fpermissive:
flag_permissive = value;
global_dc->permissive = value;
break;
case OPT_fpreprocessed:
cpp_opts->preprocessed = value;
break;
case OPT_fdebug_cpp:
cpp_opts->debug = 1;
break;
case OPT_ftrack_macro_expansion:
if (value)
value = 2;
/* Fall Through. */
case OPT_ftrack_macro_expansion_:
if (arg && *arg != '\0')
cpp_opts->track_macro_expansion = value;
else
cpp_opts->track_macro_expansion = 2;
break;
case OPT_frepo:
flag_use_repository = value;
if (value)
flag_implicit_templates = 0;
break;
case OPT_ftabstop_:
/* It is documented that we silently ignore silly values. */
if (value >= 1 && value <= 100)
cpp_opts->tabstop = value;
break;
case OPT_fexec_charset_:
cpp_opts->narrow_charset = arg;
break;
case OPT_fwide_exec_charset_:
cpp_opts->wide_charset = arg;
break;
case OPT_finput_charset_:
cpp_opts->input_charset = arg;
break;
case OPT_ftemplate_depth_:
max_tinst_depth = value;
break;
case OPT_fvisibility_inlines_hidden:
visibility_options.inlines_hidden = value;
break;
case OPT_femit_struct_debug_baseonly:
set_struct_debug_option (&global_options, loc, "base");
break;
case OPT_femit_struct_debug_reduced:
set_struct_debug_option (&global_options, loc,
"dir:ord:sys,dir:gen:any,ind:base");
break;
case OPT_femit_struct_debug_detailed_:
set_struct_debug_option (&global_options, loc, arg);
break;
case OPT_fext_numeric_literals:
cpp_opts->ext_numeric_literals = value;
break;
case OPT_idirafter:
add_path (xstrdup (arg), AFTER, 0, true);
break;
case OPT_imacros:
case OPT_include:
defer_opt (code, arg);
break;
case OPT_imultilib:
imultilib = arg;
break;
case OPT_iprefix:
iprefix = arg;
break;
case OPT_iquote:
add_path (xstrdup (arg), QUOTE, 0, true);
break;
case OPT_isysroot:
sysroot = arg;
break;
case OPT_isystem:
add_path (xstrdup (arg), SYSTEM, 0, true);
break;
case OPT_iwithprefix:
add_prefixed_path (arg, SYSTEM);
break;
case OPT_iwithprefixbefore:
add_prefixed_path (arg, BRACKET);
break;
case OPT_lang_asm:
cpp_set_lang (parse_in, CLK_ASM);
cpp_opts->dollars_in_ident = false;
break;
case OPT_nostdinc:
std_inc = false;
break;
case OPT_nostdinc__:
std_cxx_inc = false;
break;
case OPT_o:
if (!out_fname)
out_fname = arg;
else
error ("output filename specified twice");
break;
/* We need to handle the -Wpedantic switch here, rather than in
c_common_post_options, so that a subsequent -Wno-endif-labels
is not overridden. */
case OPT_Wpedantic:
cpp_opts->cpp_pedantic = 1;
cpp_opts->warn_endif_labels = 1;
break;
case OPT_print_objc_runtime_info:
print_struct_values = 1;
break;
case OPT_remap:
cpp_opts->remap = 1;
break;
case OPT_std_c__98:
case OPT_std_gnu__98:
if (!preprocessing_asm_p)
set_std_cxx98 (code == OPT_std_c__98 /* ISO */);
break;
case OPT_std_c__11:
case OPT_std_gnu__11:
if (!preprocessing_asm_p)
{
set_std_cxx11 (code == OPT_std_c__11 /* ISO */);
if (code == OPT_std_c__11)
cpp_opts->ext_numeric_literals = 0;
}
break;
case OPT_std_c__1y:
case OPT_std_gnu__1y:
if (!preprocessing_asm_p)
{
set_std_cxx1y (code == OPT_std_c__1y /* ISO */);
if (code == OPT_std_c__1y)
cpp_opts->ext_numeric_literals = 0;
}
break;
case OPT_std_c90:
case OPT_std_iso9899_199409:
if (!preprocessing_asm_p)
set_std_c89 (code == OPT_std_iso9899_199409 /* c94 */, true /* ISO */);
break;
case OPT_std_gnu90:
if (!preprocessing_asm_p)
set_std_c89 (false /* c94 */, false /* ISO */);
break;
case OPT_std_c99:
if (!preprocessing_asm_p)
set_std_c99 (true /* ISO */);
break;
case OPT_std_gnu99:
if (!preprocessing_asm_p)
set_std_c99 (false /* ISO */);
break;
case OPT_std_c11:
if (!preprocessing_asm_p)
set_std_c11 (true /* ISO */);
break;
case OPT_std_gnu11:
if (!preprocessing_asm_p)
set_std_c11 (false /* ISO */);
break;
case OPT_trigraphs:
cpp_opts->trigraphs = 1;
break;
case OPT_traditional_cpp:
cpp_opts->traditional = 1;
break;
case OPT_v:
verbose = true;
break;
case OPT_Wabi:
warn_psabi = value;
break;
}
switch (c_language)
{
case clk_c:
C_handle_option_auto (&global_options, &global_options_set,
scode, arg, value,
c_family_lang_mask, kind,
loc, handlers, global_dc);
break;
case clk_objc:
ObjC_handle_option_auto (&global_options, &global_options_set,
scode, arg, value,
c_family_lang_mask, kind,
loc, handlers, global_dc);
break;
case clk_cxx:
CXX_handle_option_auto (&global_options, &global_options_set,
scode, arg, value,
c_family_lang_mask, kind,
loc, handlers, global_dc);
break;
case clk_objcxx:
ObjCXX_handle_option_auto (&global_options, &global_options_set,
scode, arg, value,
c_family_lang_mask, kind,
loc, handlers, global_dc);
break;
default:
gcc_unreachable ();
}
return result;
}