* toplev.h: Add comment about the first parameter for warning().
* errors.h: Likewise.

* c.opt (Wpragmas): New.
* doc/invoke.texi: Document it.

* function.c (do_warn_unused_parameter): Add warning control to
warning call.
* c-decl.c (warn_if_shadowing): Likewise.
* c-lex.c (cb_def_pragma): Likewise.
* c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
(pop_alignment): Likewise.
(handle_pragma_pack): Likewise.
(apply_pragma_weak): Likewise.
(handle_pragma_weak): Likewise.
(handle_pragma_redefine_extname): Likewise.
(add_to_renaming_pragma_list): Likewise.
(handle_pragma_extern_prefix): Likewise.
(maybe_apply_renaming_pragma): Likewise.
(handle_pragma_visibility): Likewise.

* config/c4x/c4x-c.c (BAD): Likewise.
(c4x_parse_pragma): Likewise.
* config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
* config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
(rs6000_pragma_longcall): Likewise.
* config/v850/v850-c.c (pop_data_area): Likewise.
(ghs_pragma_section): Likewise.
(ghs_pragma_section): Likewise.
(ghs_pragma_interrupt): Likewise.
(ghs_pragma_starttda): Likewise.
(ghs_pragma_startsda): Likewise.
(ghs_pragma_startzda): Likewise.
(ghs_pragma_endtda): Likewise.
(ghs_pragma_endsda): Likewise.
(ghs_pragma_endzda): Likewise.

From-SVN: r102168

bb-reorder.c, [...]: Avoid "." or "\n" at end of diagnostics and capital letters at start of diagnostics.

	* bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
	cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
	config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
	config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
	config/stormy16/stormy16.c, config/v850/v850.c,
	config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
	except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
	Avoid "." or "\n" at end of diagnostics and capital letters at
	start of diagnostics.
	* combine.c, cse.c: Don't translate dump file output.
	* toplev.c (print_version): Only translate output if going to
	stderr.

From-SVN: r101561

	* c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
	config/rs6000/rs6000.opt, params.def: Remove "." from end of help
	texts.
	* config/avr/avr.c: Do not use '`' as left quote.
	* config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
	Remove "." from end of diagnostics.  Make diagnostics start with
	lowercase letter.

cp:
	* name-lookup.c, parser.c: Use %q, %< and %> to quote in
	diagnostics.

fortran:
	* lang.opt: Remove "." from end of help texts.

objc:
	* objc-act.c: Use %q to quote in diagnostics.

From-SVN: r101533

From-SVN: r101317

        PR c/21759
        * c.opt (Wc++-compat): New.
        * doc/invoke.texi (-Wc++-compat): Document.
        * c-typeck.c (convert_for_assignment): Check for implicit
        conversion void* -> T*.
testsuite/
        * gcc.dg/Wcxx-compat-1.c: New.

From-SVN: r100806

* c-common.c (unsigned_conversion_warning): Move warning control
from if() to warning(OPT_*).
(c_common_truthvalue_conversion): Likewise.
(c_do_switch_warnings): Likewise.
* c-decl.c (diagnose_mismatched_decls): Likewise.
(diagnose_mismatched_decls): Likewise.
(define_label): Likewise.
(grokdeclarator): Likewise.
* c-format.c (check_format_info): Likewise.
* c-lex.c (interpret_integer): Likwise.
(lex_string): Likewise.
* c-opts.c (c_common_post_options): Likewise.
* c-parser.c (c_parser_unary_expression): Likewise.
* c-pragma.c (handle_pragma_redefine_extname): Likewise.
(handle_pragma_extern_prefix): Likewise.
* c-typeck.c (build_binary_op): Likewise.
* gcse.c (is_too_expensive): Likewise.
* opts.c (decode_options): Likewise.
* stor-layout.c (place_field): Likewise.
* tree-cfg.c (remove_bb): Likewise.

* c.opt (-Wreturn-type): Add Var(warn_return_type).
* flags.h (warn_return_type): Remove.
* toplev.c (warn_return_type): Likewise.

From-SVN: r100135

2005-05-18  Geoffrey Keating  <geoffk@apple.com>

	* dummy-checksum.c: New.
	* genchecksum.c: New.
	* c.opt (print_pch_checksum): New flag.
	* c-pch.c (struct c_pch_validity): Make much shorter.
	(no_checksum): New.
	(host_machine): Remove.
	(target_machine): Remove.
	(get_ident): Change PCH version number.
	(pch_init): When -fverbose-asm, print out the compiler fingerprint.
	Don't put triplets or version string in PCH validity data.
	Do put the compiler checksum in the validity data.
	(c_common_valid_pch): Don't check triplets or version string.  Do
	check checksum.
	(c_common_print_pch_checksum): New.
	* c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
	Print fingerprint with -v.
	* c-common.h (c_common_print_pch_checksum): New.
	(executable_checksum): New.
	* Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
	(cc1-dummy): New rule.
	(cc1-checksum.c): New rule.
	(cc1-checksum.o): New rule.
	(cc1): Add checksum support.
	(build/genchecksum): New.
	(build/genchecksum.o): New.
	(dummy-checksum.o): New.
	(genobjnames): Add genchecksum.o.
	(mostlyclean): Remove *-checksum.c.
	(gnucompare): Add libgcc to list of directories checked.
	Make comparison problems in libgcc/ and with checksum files only
	be warnings.
	* doc/invoke.texi (Precompiled Headers): Remove caution.
	Document that it must be the exact same binary.  Add a few
	known-safe flags to the list.

In cp/:
2005-05-18  Geoffrey Keating  <geoffk@apple.com>

	* Make-lang.in (cc1plus-dummy): New.
	(cc1plus-checksum.c): New.
	(cc1plus-checksum.o): New.
	(cc1plus): Add cc1plus-checksum.o.

In objc/:
2005-05-18  Geoffrey Keating  <geoffk@apple.com>

	* Make-lang.in (cc1obj-dummy): New.
	(cc1obj-checksum.c): New.
	(cc1obj-checksum.o): New.
	(cc1obj): Add cc1obj-checksum.o.

In objcp/:
2005-05-18  Geoffrey Keating  <geoffk@apple.com>

	* Make-lang.in (cc1objplus-dummy): New.
	(cc1objplus-checksum.c): New.
	(cc1objplus-checksum.o): New.
	(cc1objplus): Add cc1objplus-checksum.o.

From-SVN: r99928

        * c-common.h (objc_finish_try_stmt): Add.
        (objc_build_synchronized): Add.
        (objc_generate_write_barrier): Add.
        * stub-objc.c (objc_build_synchronized): Add return value.
        (objc_finish_try_stmt): Likewise.
        (objc_generate_write_barrier): Add.

        * c-common.h (objc_rewrite_function_call): Add.
        * c-typeck.c (build_function_call): Allow objc to rewrite
        FUNCTION_DECLs.
        (build_modify_expr): Allow objc to generate write barriers.
        * c.opt (Wassign-intercept): Add.
        (Wstrict-selector-match): Add.
        (fobjc-call-cxx-cdtors): Add.
        (fobjc-direct-dispatch): Add.
        (fobjc-gc): Add.
        * dbxout.c (get_lang_number): Add Objective-C++ support.
        * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
        (-Wstrict-selector-match): Likewise.
        (-fobjc-direct-dispatch): Likewise.
        (-Wassign-intercept): Likewise.
        (Overall Options): Likewise.
        * gengtype.c (get_output_file_with_visibility): Likewise.
        * stub-objc.c (objc_rewrite_function_call): Add.
        * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.

        * c-common.c (flag_objc_exceptions): Remove.
        (flag_objc_sjlj_exceptions): Remove.
        * c-decl.c (objc_mark_locals_volatile): Don't change decls
        that are already ok.
        * c-opts.c (c_common_handle_option, case
        OPT_fobjc_exceptions): Remove.
        (case OPT_fobjc_sjlj_exceptions): Remove
        * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
        (fobjc-exceptions): Likewise.
        (fobjc-sjlj-exceptions): Likewise.
        * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
        (OFFS_ASSIGNIVAR_FAST): Add.

From-SVN: r99858

        PR c++/19542
        * c-common.c (c_common_nodes_and_builtins): Create global null_node.
        (warn_strict_null_sentinel): Define.
        (check_function_sentinel): Check for null_node as valid sentinel too.
        * c-common.h (c_tree_index): Added CTI_NULL.
        (null_node) Define global_tree[CTI_NULL].
        (warn_strict_null_sentinel): Declare.
        * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
        * c.opt: (Wstrict-null-sentinel): New C++ option.
        * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.

        * cp-tree.h (cp_tree_index): Remove CPTI_NULL, to be defined in C
        common frontend.
        (null_node): Remove.
        * lex.c (cxx_init): Move null_node initialisation to C common frontend.

        * g++.dg/warn/sentinel.C: New testcase for __null sentinels added.

From-SVN: r99091

2005-04-20  Michael Pogue  <michael.pogue@sun.com>
            Joseph S. Myers  <joseph@codesourcery.com>

	* c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
	* c-typeck.c (build_c_cast): Check these options.
	* doc/invoke.texi: Document these options.

testsuite:
	* gcc.dg/Wint-to-pointer-cast-1.c,
	gcc.dg/Wint-to-pointer-cast-2.c, gcc.dg/Wint-to-pointer-cast-3.c,
	gcc.dg/Wpointer-to-int-cast-1.c, gcc.dg/Wpointer-to-int-cast-2.c,
	gcc.dg/Wpointer-to-int-cast-3.c: New tests.

From-SVN: r98429

	* c.opt (-F): Remove trailing whitespace from help string.
	(-finput-charset): Use a tab to separate the switch name and help
	string.
	* common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
	(-ftree-vectorizer-verbose): Likewise.

From-SVN: r97742

	* c.opt (fshow-column): Move option from here ...
	* common.opt (fshow-column): ... to here.
	* diagnostic.c (diagnostic_build_prefix): Only print column number
	if flag_show_column.

From-SVN: r97127

This is the one case in c.opt where 'C++' appeared without 'ObjC++',
and it's annoying that it was this important option.

Bootstrapped & tested on powerpc-darwin8.  (It's actually been tested
much more extensively than that internally.)

--
- Geoffrey Keating <geoffk@apple.com>

===File ~/patches/gcc-3973957.patch=========================
2005-03-24  Geoffrey Keating  <geoffk@apple.com>

	* c.opt (fvisibility-inlines-hidden): Allow for ObjC++.

From-SVN: r97015

	* c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
	std=iso9899:199x): Correct descriptions.

From-SVN: r96745

2005-03-14  Geoffrey Keating  <geoffk@apple.com>

	* doc/cppopts.texi (-fexec-charset): Add concept index entry.
	(-fwide-exec-charset): Likewise.
	(-finput-charset): Likewise.
	* doc/invoke.texi (Warning Options): Document -Wnormalized=.
	* c-opts.c (c_common_handle_option): Handle -Wnormalized=.
	* c.opt (Wnormalized): New.

Index: libcpp/ChangeLog
2005-03-14  Geoffrey Keating  <geoffk@apple.com>

	* init.c (cpp_create_reader): Default warn_normalize to normalized_C.
	* charset.c: Update for new format of ucnid.h.
	(ucn_valid_in_identifier): Update for new format of ucnid.h.
	Add NST parameter, and update it; update callers.
	(cpp_valid_ucn): Add NST parameter, update callers.  Replace abort
	with cpp_error.
	(convert_ucn): Pass normalize_state to cpp_valid_ucn.
	* internal.h (struct normalize_state): New.
	(INITIAL_NORMALIZE_STATE): New.
	(NORMALIZE_STATE_RESULT): New.
	(NORMALIZE_STATE_UPDATE_IDNUM): New.
	(_cpp_valid_ucn): New.
	* lex.c (warn_about_normalization): New.
	(forms_identifier_p): Add normalize_state parameter, update callers.
	(lex_identifier): Add normalize_state parameter, update callers.  Keep
	the state current.
	(lex_number): Likewise.
	(_cpp_lex_direct): Pass normalize_state to subroutines.  Check
	it with warn_about_normalization.
	* makeucnid.c: New.
	* ucnid.h: Replace.
	* ucnid.pl: Remove.
	* ucnid.tab: Make appropriate for input to makeucnid.c.  Remove
	comments about obsolete version of C++.
	* include/cpplib.h (enum cpp_normalize_level): New.
	(struct cpp_options): Add warn_normalize field.

Index: gcc/testsuite/ChangeLog
2005-03-14  Geoffrey Keating  <geoffk@apple.com>

	* gcc.dg/cpp/normalize-1.c: New.
	* gcc.dg/cpp/normalize-2.c: New.
	* gcc.dg/cpp/normalize-3.c: New.
	* gcc.dg/cpp/normalize-4.c: New.
	* gcc.dg/cpp/ucnid-4.c: New.
	* gcc.dg/cpp/ucnid-5.c: New.
	* g++.dg/cpp/normalize-1.C: New.
	* g++.dg/cpp/ucnid-1.C: New.

From-SVN: r96459

	* config.gcc (extra_options): New variable for listing option files.
	Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
	* configure.ac (extra_opt_files): New AC_SUBST variable.
	(tm_file_list, tm_include_list): Include options.h first.
	* configure: Regenerate.
	* Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
	(s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
	(s-options-h): New rule.
	(options.h): Depend on it.
	(TEXI_GCCINT_FILES): Add options.texi.
	* hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
	* hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
	* target.h (gcc_target): Add default_target_flags and handle_option.
	* target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
	(TARGET_HANDLE_OPTION): New macros.
	(TARGET_INITIALIZER): Include them.
	* opt-functions.awk (opt_args, nth_arg): New functions.
	(switch_flags): Handle the "Target" flag.
	(var_args): Delete.
	(var_name): Use opt_args and nth_arg.
	(var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
	* opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
	macros for the "Mask" and "InverseMask" options.
	* opts.h (cl_var_cond): New enum.
	(cl_option): Replace the "has_set_value" and "set_value" fields with
	"var_cond" and "var_value".
	(CL_TARGET): New macro.
	(option_enabled, print_filtered_help): Declare.
	(decode_options): Move definition.
	* opts.c (handle_option): Search for the original option before
	removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
	var_cond and var_value fields.  Use targetm.handle_option to handle
	target options.
	(decode_options): Set target_flags to targetm.default_target_flags.
	(print_filtered_help): Make global.  Handle CL_TARGET.
	(option_enabled): New function.
	* toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
	(display_target_options, set_target_switch, print_switch_values)
	(default_pch_valid_p): Guard uses of target_switches with
	#ifdef TARGET_SWITCHES.  Also...
	(display_target_options): Display the CL_TARGET entries in cl_options.
	(set_target_option): Don't complain about the "" option when
	TARGET_SWITCHES is undefined.
	(print_switch_values): Use option_enabled.
	(default_pch_valid_p): Check cl_options[] when looking for something
	that has changed the value of target_flags.
	* c.opt: Remove documentation from top of file.
	* doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
	* doc/sourecebuild.texi: Refer to the new options documentation
	instead of c.opt.  Document machine-specific .opt files.
	* doc/tm.texi (target_flags): Say that this variable is declared
	by options.h.
	(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
	(TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
	an alternative.
	* doc/options.texi: New file.

From-SVN: r96448

2005-01-18  Andi Kleen <ak@muc.de>

	* c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
	* c.opt (-Wpointer-sign): Add.
	* doc/invoke.texi: (-Wpointer-sign): Add.

2005-01-18  Michael Matz  <matz@suse.de>

	* gcc.dg/Wno-pointer-sign.c: New test for -Wno-pointer-sign.

From-SVN: r93813

re PR c++/13684 (local static object variable constructed once but ctors and dtors called multiple times on same memory when called in multiple threads)

        PR c++/13684
        * cp/decl.c (expand_static_init): Use thread-safety API.
        (register_dtor_fn): Return the call, don't expand it.
        * cp/tree.c (add_stmt_to_compound): New fn.
        (stabilize_call): Use it.
        * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
        (gimple_push_cleanup): Add eh_only parm.
        (gimplify_target_expr): Pass it.
        * c.opt (-fno-threadsafe-statics): New option.
        * c-opts.c (c_common_handle_option): Handle it.
        * c-common.h (flag_threadsafe_statics): Declare it.
        * c-common.c (flag_threadsafe_statics): Record it.
        * doc/invoke.texi: Document it.
        * tsystem.h (_GNU_SOURCE): Define.
        * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
        (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
        (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
        (__gthread_recursive_mutex_init_function): New fn.
        (__gthread_recursive_mutex_lock): New fn.
        (__gthread_recursive_mutex_trylock): New fn.
        (__gthread_recursive_mutex_unlock): New fn.
        * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
        * gthr-win32.h, gthr-vxworks.h: Likewise.
        * gthr.h: Document.

        * libsupc++/guard.cc (static_mutex): Internal class implementing a
        recursive mutex which controls initialization of local statics.
        (__gnu_cxx::recursive_init): New exception class.
        (__cxa_guard_acquire): Deal with locking and recursion detection.
        (acquire_1, __cxa_guard_abort, __cxa_guard_release): Likewise.

From-SVN: r86687

	PR c/13282
	* c.opt (Wmissing-field-initializers): New option.
	* c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
	* c-typeck.c (pop_init_level): Guard the missing field warning with
	warn_missing_field_initializers rather than extra_warnings.
	* doc/invoke.texi (-Wmissing-field-initializers): Document, moving
	some of the explanation from...
	(-Wextra): ...here.  Say that the missing field warning can be
	seperately controlled by -Wmissing-field-initializers.

cp/
	* typeck2.c (process_init_constructor): Guard the missing field warning
	with warn_missing_field_initializers rather than extra_warnings.

testsuite/
	* gcc.dg/missing-field-init-[12].c: New tests.
	* g++.dg/warn/missing-field-init-[12].C: New tests.

From-SVN: r85638

	PR c++/9283
	PR c++/15000
	* c-common.c (c_common_attribute_table): Allow
	handle_visibility_attribute to be called for types.
	(handle_visibility_attribute) When given a type, set the visibility
	bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
	so that we can check later whether the attribute was present. Added
	warning if attribute applied to non class type.
	* c-decl.c (diagnose_mismatched_decls): Updated rules for merging
	decls and checking that they are consistent.
	* common.opt: Added -fvisibility.
	* c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
	* c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
	* flags.h, tree.h: Added assorted support defines for overall patch
	* opts.c: Added parsing support for -fvisibility.
	* tree.c (build_decl): Set visibility for all decls to be whatever
	is in force at that time.
	* varasm.c (default_binds_local_p_1): Reworked logic determining
	when to make a symbol locally bound.
	* doc/invoke.texi: Added documentation for -fvisibility and
	-fvisibility-inlines-hidden.

	PR c++/15000
	PR c++/9283
	* class.c (check_field_decls): Apply hidden visibility if
	-fvisibility-inlines-hidden and inlined unless otherwise specified
	(build_vtable): Set vtable visibility to class visibility.
	(check_field_decls): Default static member visibility to class
	visibility.
	(check_methods): Default method visibility to class visibility.
	* cp-tree.h: Added CLASSTYPE_VISIBILITY and
	CLASSTYPE_VISIBILITY_SPECIFIED macro.
	* decl.c (duplicate_decls): New logic for merging definition decls
	with declaration decls. Added ignore & warning when non default
	applied to global operator new or delete.
	* method.c, optimize.c, rtti.c: Added setting of VISIBILITY_SPECIFIED
	wherever VISIBILITY was changed
	* rtti.c (get_tinfo_decl): Set typeinfo visibility to class
	visibility.
	(tinfo_base_init): Set typeinfo name visibility to class visibility.

	PR c++/9283
	PR c++/15000
	* gcc.dg/visibility-9.c, gcc.dg/visibility-a.c: New tests.
	* g++.dg/ext/visibility/: New directory.
	* g++.dg/ext/visibility-1.C, g++.dg/ext/visibility-2.C
	g++.dg/ext/visibility-3.C, g++.dg/ext/visibility-4.C,
	g++.dg/ext/visibility-5.C, g++.dg/ext/visibility-6.C,
	g++.dg/ext/visibility-7.C: Move to g++.dg/ext/visibility/.
	* g++.dg/ext/visibility/fvisibility.C,
	g++.dg/ext/visibility/fvisibility-inlines-hidden.C,
	g++.dg/ext/visibility/fvisibility-override1.C
	g++.dg/ext/visibility/fvisibility-override2.C
	g++.dg/ext/visibility/memfuncts.C
	g++.dg/ext/visibility/noPLT.C
	g++.dg/ext/visibility/pragma.C
	g++.dg/ext/visibility/pragma-override1.C
	g++.dg/ext/visibility/pragma-override2.C
	g++.dg/ext/visibility/staticmemfuncts.C
	g++.dg/ext/visibility/virtual.C: New tests.

Co-Authored-By: Brian Ryner <bryner@brianryner.com>

From-SVN: r85167

2004-06-27  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c++/15145
        * c.opt (Wsequence-point): Enable for C++ and ObjC++.

From-SVN: r83758

* c-common.h (warn_cast_qual, warn_missing_format_attribute,
warn_pointer_arith, warn_missing_prototypes, warn_parentheses,
warn_missing_braces, warn_sign_compare, warn_long_long,
warn_redundant_decls, warn_float_equal, warn_char_subscripts,
warn_conversion, warn_format_y2k, warn_format_extra_args,
warn_format_zero_length, warn_format_nonliteral,
warn_format_security, mesg_implicit_function_declaration,
warn_bad_function_cast, warn_traditional,
warn_declaration_after_statement, warn_strict_prototypes,
warn_missing_declarations, warn_nested_externs,
warn_sequence_point, warn_init_self, warn_div_by_zero,
warn_implicit_int, warn_nonnull, warn_old_style_definition,
warn_selector, warn_undeclared_selector, warn_protocol,
warn_abi, warn_invalid_offsetof, warn_ctor_dtor_privacy,
warn_overloaded_virtual, warn_nonvdtor, warn_reorder,
warn_synth, warn_pmf2ptr, warn_ecpp, warn_sign_promo,
warn_old_style_cast, warn_nontemplate_friend,
warn_deprecated): Remove explicit declarations.
* c-common.c: Likewise, remove explicit definitions.
* c-opts.c: Likewise, remove explicit assignments.
* c.opts: Likewise, add implicit declare/define/assign.

From-SVN: r83680

2004-06-21  Geoffrey Keating  <geoffk@apple.com>

	* c-opts.c (c_common_handle_option): Handle -fpch-preprocess.
	* c-common.h (flag_pch_preprocess): Declare.
	(c_common_pch_pragma): Likewise.
	* c-common.c (flag_pch_preprocess): New.
	* c-pch.c (c_common_read_pch): Support -fpreprocess-only.
	(c_common_pch_pragma): New.
	* c-ppoutput.c (cb_read_pch): New.
	(init_pp_output): Support -fpch-preprocess.
	* c-pragma.c (init_pragma): Support #pragma GNUC pch_preprocess.
	* c.opt (fpch-preprocess): New.
	* gcc.c (cpp_options): When save-temps, pass -fpch-preprocess.
	* doc/cppopts.texi: Document -fpch-preprocess.
	* doc/invoke.texi (Precompiled Headers): Mention that
	-fpreprocessed is safe for PCH.  Mention that if an option is
	listed as safe that doesn't mean it does what you expect.

Index: gcc/testsuite/ChangeLog
2004-06-21  Geoffrey Keating  <geoffk@apple.com>

	* gcc.dg/pch/save-temps-1.c: New file.
	* gcc.dg/pch/save-temps-1.hs: New file.

Index: libcpp/ChangeLog
2004-06-21  Geoffrey Keating  <geoffk@apple.com>

	* files.c (should_stack_file): Correct swapped parameters to call
	to cb.read_pch.
	* pch.c (cpp_valid_state): Handle -fpreprocessed.

From-SVN: r83478

	* c-common.c (flag_objc_sjlj_exceptions): New.
	* c-common.h (flag_objc_sjlj_exceptions): Declare.
	* c-opts.c (c_common_handle_option): Set it.
	(c_common_post_options): Handle interation of different
	objective-c exception and runtime switches.
	* c-decl.c (c_eh_initialized_p): New.
	(finish_decl): Use it instead of local eh_initialized_p.
	* c-parse.in (nested_function, notype_nested_function): Record
	the result of compstmt.
	(compstmt_or_error): Likewise.
	(compstmt): Don't add_stmt the result.
	(stmt): Don't return anything.  Rewrite objc try and sync rules.
	(objc_try_stmt, objc_catch_list): Remove.
	(objc_catch_block, objc_finally_block): Remove.
	(objc_catch_prefix, objc_catch_clause, objc_opt_catch_list): New.
	(objc_try_catch_clause, objc_finally_clause): New.
	(objc_try_catch_stmt): Rewrite.
	* c-tree.h (c_eh_initialized_p): Declare.
	* c-opt (fobjc-sjlj-exceptions): New.
	* except.c (output_function_exception_table): Don't call cgraph
	on non-decls.
	* objc/objc-act.c (UTAG_EXCDATA_VAR, UTAG_CAUGHTEXC_VAR,
	UTAG_RETHROWEXC_VAR, UTAG_EVALONCE_VAR, struct val_stack,
	catch_count_stack, exc_binding_stack, if_nesting_count,
	blk_nesting_count, objc_enter_block, objc_exit_block,
	objc_declare_variable, val_stack_push, val_stack_pop,
	objc_build_try_enter_fragment, objc_build_extract_expr,
	objc_build_try_exit_fragment, objc_build_extract_fragment,
	objc_build_try_prologue, objc_build_try_epilogue,
	objc_build_catch_stmt, objc_build_catch_epilogue,
	objc_build_finally_prologue, objc_build_finally_epilogue,
	objc_build_try_catch_finally_stmt, objc_build_synchronized_prologue,
	objc_build_synchronized_epilogue): Remove.
	(objc_create_temporary_var, struct objc_try_context, cur_try_context,
	objc_eh_runtime_type, objc_init_exceptions, objc_build_exc_ptr,
	next_sjlj_build_try_exit, next_sjlj_build_enter_and_setjmp,
	next_sjlj_build_exc_extract, next_sjlj_build_catch_list,
	next_sjlj_build_try_catch_finally, objc_begin_try_stmt,
	objc_begin_catch_clause, objc_finish_catch_clause,
	objc_build_finally_clause, objc_finish_try_stmt,
	objc_build_synchronized): New.
	(objc_is_object_id, objc_is_class_id): New.
	(objc_comptypes): Use them.
	(build_next_objc_exception_stuff): Break NeXT sjlj out from
	build_objc_exception_stuff.
	(synth_module_prologue): Update to match.
	(objc_build_throw_stmt): Use cur_try_context to decide if
	we're in a @catch.
	* objc/objc-act.h: Update prototypes.
	(OCTI_EXCEPTION_BLK_STACK, objc_exception_block_stack): Remove.
testsuite/
        * objc.dg/sync-1.m: New.
        * objc.dg/try-catch-1.m: Don't force next runtime.
        * objc.dg/try-catch-3.m, objc.dg/try-catch-4.m: Likewise.
        * objc.dg/try-catch-2.m: Likewise.  Enable everywhere.  Remove
        shadowed catch clause.
        * objc.dg/try-catch-5.m: New.

From-SVN: r83332

	* Makefile.in (FLAGS_H): New.
	(flags.h): Replace by FLAGS_H.
	* c.opt: Document Var, VarExists, Init and Report attributes.
	* common.opt: Fill the values of the attributes.
	* diagnostic.c (flag_fatal_errors): Do not define.
	* except.c (flag_non_call_exceptions): Do not define.
	* flags.h: Include options.h.  Remove declarations conflicting with
	the automatically defined ones.
	* opts.c: Remove automatically defined variables.
	(handle_option): Perform default initialization.
	(common_handle_option): Do not handle options covered by the
	default initialization.
	* opts.h (struct cl_option): Add flag_var, has_set_value and set_value
	fields.
	(CL_REPORT): New.
	* opts.sh: Generate variable declarations, handle CL_REPORT.
	* toplev.c: Remove automatically defined variables.
	(f_options): Removed.
	(print_switch_values): Use cl_options instead of f_options.
	* toplev.h (version_flag): Declaration removed.

From-SVN: r83105

	* c.opt (Wmissing-include-dirs): New.
	* c-opts.c (c_common_handle_option): Pass true for user_supplied_p
	to add_path () for -I, but false for OPT_idirafter, OPT_iquote and
	OPT_isystem. Handle case OPT_Wmissing_include_dirs.
	* c-incpath.h (add_path): Add fourth (bool) argument.
	* c-incpath.c (add_env_var_paths): Pass false to add_path ().
	(add_standard_paths): Likewise.
	(remove_duplicates) [REASON_NOENT]: Warn if -Wmissing-include-dirs
	is used and the directory was user-supplied via -I.
	(add_path): Set p->user_supplied_p.  Remove duplicated code by
	using add_cpp_dir_path ().
	* cpplib.h (struct cpp_options): Add warn_missing_include_dirs.
	(struct cpp_dir): Add user_supplied_p.
	* doc/invoke.texi (Warning Options): Document new option.

[testsuite]
	* gcc.dg/cpp/Wmissingdirs.c: New.

From-SVN: r82121

From-SVN: r81764

	* doc/invoke.texi (Directory Options): Document -iquote.
	* doc/cpp.texi: Likewise.
	* doc/cppopts.texi: Likewise.
	* c-opts.c (c_common_missing_argument): Add -iquote processing.
	(c_common_handle_option): Likewise.
	* c.opt (iquote): Add.
	* gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -iquote.
	* c-incpath.c (merge_include_chains): Update comment to use -iquote.

	* c-opts.c (case OPT_I): Deprecate -I- support.
	* doc/invoke.texi: Likewise.
	* doc/cpp.texi: Likewise.
	* doc/cppopts.texi: Likewise.

From-SVN: r81521

gcc/
	* c-incpath.c, c-incpath.h, c-pch.c, c.opt, cppexp.c,
	et-forest.h, genattr.c, ggc-none.c, hosthooks-def.h,
	hosthooks.h, params.h, ra-colorize.c, web.c,
	config/darwin-c.c, config/alpha/freebsd.h, config/arm/pe.c,
	config/avr/avr-protos.h, config/avr/avr.md,
	config/fr30/fr30-protos.h, config/fr30/fr30.md,
	config/h8300/fixunssfsi.c, config/i386/darwin.h,
	config/i386/freebsd.h, config/i386/freebsd64.h,
	config/ia64/hpux.h, config/ia64/unwind-ia64.c,
	config/ip2k/libgcc.S, config/m32r/xm-m32r.h,
	config/mmix/mmix-modes.def, config/ns32k/netbsd.h,
	config/ns32k/ns32k.md, config/pa/pa64-hpux.h,
	config/pa/pa64-regs.h, config/rs6000/aix41.h,
	config/rs6000/aix43.h, config/rs6000/host-darwin.c,
	config/sparc/aout.h, config/sparc/freebsd.h,
	config/sparc/litecoff.h, config/vax/vax-protos.h,
	doc/hostconfig.texi, doc/include/gcc-common.texi: Update
	copyright.

gcc/cp/
	* cp-lang.c, ptree.c: Update copyright.

From-SVN: r79506

	* c-incpath.c: Include target.h and machmode.h.
	(add_path): Use a consistent style for cpp_dir.  Initialize
	p->construct to 0.
	(add_cpp_dir_path): New.
	(register_include_chains): Add use of extra_includes callback.
	(hook_void_int): Add.
	(target_c_incpath): Add.
	* c-incpath.h (add_cpp_dir_path): New.
	(target_c_incpath_s): Add.
	(target_c_incpath): Add.
	(C_INCPATH_INIT): Add.
	* c-opts.c (c_common_missing_argument,
	c_common_handle_option): Add -F argument processing.
	* c.opt: Add -F argument processing.
	* gcc.c (trad_capable_cpp): Add -F argument processing.
	* cppfiles.c (find_file_in_dir): Update to use construct
	callback.
	(search_path_exhausted, cpp_get_path, cpp_get_buffer,
	cpp_get_prev): New.
	(_cpp_find_file): Use search_path_exhausted.
	(make_cpp_dir): Initialize construct to 0.
	* cpplib.h (missing_header_cb
	cpp_get_path, cpp_get_buffer, cpp_get_file, cpp_get_prev): New.
	(cpp_callbacks): Add missing_header
	(cpp_dir): Add construct.
	* target-def.h: (TARGET_OPTF): New.
	* hooks.c (hook_void_int, hook_void_charptr): Add.
	* hooks.h (hook_void_int, hook_void_charptr): Add.
	* Makefile.in (c-incpath.o) : Add $(TARGET_H) and
	$(MACHMODE_H) dependencies.
	* doc/invoke.texi (Darwin Options): Document -F.
	* doc/tm.texi (TARGET_EXTRA_INCLUDES): Add.
	(TARGET_OPTF): Add.
	* fix-header.c (target_c_incpath): Add.

	* config/darwin-c.c: Add c-incpath.h include.
	(using_frameworks, find_subframework_file,
	find_subframework_header, add_system_framework_path,
	frameworks_in_use, num_frameworks, max_frameworks,
	add_framework, find_framework, struct framework_header,
	framework_header_dirs, framework_construct_pathname,
	find_subframework_file, add_system_framework_path,
	add_framework_path, framework_defaults,
	darwin_register_frameworks, find_subframework_header): Add.
	* config/darwin.h (TARGET_EXTRA_INCLUDES, TARGET_OPTF): New.
	(TARGET_OPTION_TRANSLATE_TABLE): Add -framework support.
	(CPP_SPEC): Add __APPLE_CC__ support.
	* t-darwin (darwin-c.o): Add c-incpath.h dependency.

From-SVN: r78875

        * c-opts.c (warn_variadic_macros): New.
        (c_common_handle_option): Set it.
        (sanitize_cpp_opts): Copy it to cpp_opts.
        * c.opt (Wvariadic-macros): New.
        * cpplib.h (struct cpp_options): Add warn_variadic_macros.
        * cppinit.c (cpp_create_reader): Initialize it.
        * cppmacro.c (parse_params): Check it.

From-SVN: r78125

re PR c++/11326 (C++ IA64 ABI: 3.1.4: sometimes pointer to temporary return value is implicit first parameter preceding "this")

	PR c++/11326
	* c-common.c (flag_abi_version): Remove.
	* c-common.h (flag_abi_version): Likewise.
	* c-opts.c (c_common_handle_option): Remove OPT_fabi_version case.
	* c.opt (fabi-version): Remove.
	* calls.c (expand_call): Always pass a function type to
	struct_value_rtx.  Use convert_memory_address.
	* common.opt (fabi-version): Add it.
	* flags.h (flag_abi_version): Likewise.
	(abi_version_at_least): New macro.
	* opts.c (common_handle_option): Add OPT_fabi_version.
	* toplev.c (flag_abi_version): Define it.
	* config/ia64/ia64.c (ia64_struct_retval_addr_is_first_parm_p):
	New function.
	(ia64_output_mi_thunk): Use it.
	(ia64_struct_value_rtx): Likewise.

	PR c++/11326
	* cp-tree.h (abi_version_at_least): Remove.
	* mangle.c: Include flags.h.

	PR c++/11326
	* g++.dg/abi/structret1.C: New test.

From-SVN: r77968

2004-02-02  Eric Christopher  <echristo@redhat.com>
            Zack Weinberg  <zack@codesourcery.com>

        * c-opts.c (c_common_handle_option): Add -finput-charset.
        * c.opt: Ditto.
        * cppcharset.c (one_iso88591_to_utf8): Remove.
        (convert_iso88591_utf8): Ditto.
        (conversion_tab): Remove 8859-1 converter.
        (_cpp_input_to_utf8): Remove.
        (_cpp_init_iconv_buffer): Ditto.
        (_cpp_close_iconv_buffer): Ditto.
        (_cpp_convert_input): New function.
        (_cpp_default_encoding): Ditto.
        * cpphash.h: Add/remove prototypes for above.
        * cppfiles.c (read_file_guts): Use _cpp_convert_input.
        * cppinit.c (cpp_create_reader): Use _cpp_default_encoding
        for narrow execution and input character sets.
        * cpplib.c (cpp_push_buffer): Delete uses of removed functions.
        * doc/cppopts.texi: Document -finput-charset.

2004-02-02 Eric Christopher  <echristo@redhat.com>
           Zack Weinberg  <zack@codesourcery.com>

        * gcc.c-torture/execute/wchar_t-1.c: Add -finput-charset.

2004-01-29  Eric Christopher  <echristo@redhat.com>
            Zack Weinberg  <zack@codesourcery.com>

        * testsuite/22_locale/collate/compare/wchar_t/2.cc: Remove xfail. Use
        -finput-charset.
        * testsuite/22_locale/collate/compare/wchar_t/wrapped_env.cc: Ditto.
        * testsuite/22_locale/collate/compare/wchar_t/wrapped_locale.cc: Ditto
        * testsuite/22_locale/collate/hash/wchar_t/2.cc: Ditto.
        * testsuite/22_locale/collate/hash/wchar_t/wrapped_env.cc: Ditto.
        * testsuite/22_locale/collate/hash/wchar_t/wrapped_locale.cc: Ditto.
        * testsuite/22_locale/collate/transform/wchar_t/2.cc: Ditto.
        * testsuite/22_locale/collate/transform/wchar_t/wrapped_env.cc: Ditto.
        * testsuite/22_locale/collate/transform/wchar_t/wrapped_locale.cc:
        Ditto.

From-SVN: r77136

2003-09-24  Ziemowit Laski  <zlaski@apple.com>

        MERGE OF objc-improvements-branch into MAINLINE.
	See 'gcc/ChangeLog' and 'gcc/testsuite/ChangeLog' for
	the gory details.

From-SVN: r71748

2003-09-15  Andreas Jaeger  <aj@suse.de>
            Kaveh R. Ghazi <ghazi@caip.rutgers.edu>

	* doc/invoke.texi (Warning Options): Describe -Wold-style-definition.
	* c-opts.c (c_common_handle_option): Handle OPT_Wold_style_definition.
	* c-parse.in: Warn about old-style parameter definition.
	* c-common.c: Define warn_old_style_defintion.
	* c-common.h: Declare it.
	* c.opt: Add Wold-style-defintion.

testsuite:
2003-09-15  Andreas Jaeger  <aj@suse.de>

	* gcc.dg/Wold-style-definition-1.c: New test.

From-SVN: r71400

ChangeLog:
        * langhooks-def.h (lhd_decl_uninit): Declare.
        (LANG_HOOKS_DECL_UNINIT): New macro.
        (LANG_HOOKS_INITIALIZER): Adjust.
        * langhooks.h (struct lang_hooks): Add new field
        decl_uninit.
        * langhooks.c (lhd_decl_uninit): Define.
        * c-common.c (c_decl_uninit_1): New function.
        (c_decl_uninit): New function.
        (warn_init_self): Define.
        * c-common.h (c_decl_uninit): Declare.
        (warn_init_self): Declare.
        * c.opt: Introduce -Winit-self.
        * c-opts.c (c_common_handle_options): Set warn_init_self.
        * c-lang.c (LANG_HOOKS_DECL_UNINIT): Define.
        * objc/objc-lang.c  (LANG_HOOKS_DECL_UNINIT): Define.
        * function.c (uninitialized_vars_warning): Call the language hook.
        * doc/invoke.texi: Document -Winit-self.


cp/ChangeLog:
        * cp/cp-lang.c (LANG_HOOKS_DECL_UNINIT): Define.


testsuite:
        * gcc.dg/uninit-D.c: New Test.
        * gcc.dg/uninit-E.c: New Test.
        * gcc.dg/uninit-F.c: New Test.
        * gcc.dg/uninit-G.c: New Test.

From-SVN: r70574

* c.opt: Introduce -fworking-directory.
* doc/cpp.texi, doc/invoke.texi, doc/cppopts.texi: Document it.
* c-common.h (flag_working_directory): Declare.
* c-common.c (flag_working_directory): Define.
* c-opts.c (c_common_handle_options): Set it.
(sanitize_cpp_opts): Set...
* cpplib.h (struct cpp_options): ... working_directory option.
(struct cpp_callbacks): Add dir_change.
* cppinit.c (read_original_filename): Call...
(read_original_directory): New.  Look for # 1 "directory//"
and process it.
(cpp_read_main_file): Call dir_change callback if working_directory
option is set.
* gcc.c (cpp_unique_options): Pass -g*.
* c-lex.c (cb_dir_change): New.
(init_c_lex): Set dir_change callback.
* toplev.c (src_pwd): New static variable.
(set_src_pwd, get_src_pwd): New functions.
* toplev.h (get_src_pwd, set_src_pwd): Declare.
* dbxout.c (dbxout_init): Call get_src_pwd() instead of getpwd().
* dwarf2out.c (gen_compile_unit_die): Likewise.
* dwarfout.c (output_compile_unit_die, dwarfout_init): Likewise.

From-SVN: r70189

	* Makefile.in: Refine dependencies.
	* c-opts.c (c_common_handle_option): Do nothing for -Wimport.
	* c.opt: Update help for -Wimport.
	* cppfiles.c: Include hashtab.h.  Update comments.
	(stack_file): Read the file before updating dependencies.
	(once_only_file_p): Be smarter about marking once-only files.
	(_cpp_mark_file_once_only): Correct the check for existence on
	the list.
	(open_file_failed): Use name not path, which is NULL.
	* cpphash.h: Don't include hashtab.h.
	(struct _cpp_file): Remove.
	(struct cpp_reader): Update.
	* cppinit.c (cpp_create_reader): Don't initialize warn_import.
	* cpplib.h (struct cpp_options): Remove warn_import.
	(cpp_simplify_path): Remove.

From-SVN: r70045

c-parse.in (lineno_stmt_decl_or_labels_ending_decl): Also warn when warn_declaration_after_statement.

	* c-parse.in (lineno_stmt_decl_or_labels_ending_decl): Also warn
	when warn_declaration_after_statement.  Call pedwarn_c90, not
	pedwarn.  Correct message: it's "ISO C90", not "ISO C89".
	* c-common.c (warn_declaration_after_statement): Define.
	* c-common.h (warn_declaration_after_statement): Declare.
	* c.opt (Wdeclaration-after-statement): New.
	* c-errors.c (pedwarn_c90): New function.
	* c-opts.c (c_common_handle_option) <case
	OPT_Wdeclaration_after_statement>: New.
	* c-tree.h (pedwarn_c90): Declare.
	* doc/invoke.texi (Option Summary): Document
	-Wdeclaration-after-statement.
	(Warning Options): Ditto.

Co-Authored-By: Michael Culbertson <Michael.J.Culbertson@wheaton.edu>

From-SVN: r69899

	* c.opt: Document Uncodumented; use it.  Document ObjC options.
	* opts.c (print_filtered_help): Skip undocumented switches.
	* opts.h (CL_UNDOCUMENTED): New.
	* opts.sh: Handle Undocumented.
	* toplev.c (documented_lang_options): Prevent its becoming empty.
f:
	* lang-options.h: Remove.
	* lang.opt: Document most options.
objc:
	* lang-options.h: Remove.

From-SVN: r69494