[thirdparty/gcc.git] / libcpp / ChangeLog

2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c++/13358
	* init.c (cpp_create_reader): Wlong_long is disabled by default.
	* expr.c (cpp_classify_number): Give different messages for C and
	C++ front-ends.

2009-04-19  Joseph Myers  <joseph@codesourcery.com>

	PR preprocessor/20078
	* include/cpp-id-data.h (struct cpp_macro): Add extra_tokens
	field.
	* include/cpplib.h (SP_DIGRAPH, SP_PREV_WHITE): Define.
	(struct cpp_token): Change flags to unsigned short.
	* lex.c (_cpp_lex_direct): Initialize arg_no for CPP_PASTE tokens.
	(_cpp_equiv_tokens): Check arg_no for CPP_PASTE tokens.
	(cpp_token_val_index): Return CPP_TOKEN_FLD_ARG_NO for CPP_PASTE
	tokens.
	* macro.c (macro_real_token_count): New.
	(enter_macro_context, replace_args): Use macro_real_token_count.
	(create_iso_definition): Record whitespace surrounding and digraph
	spelling of # and ## tokens using SP_PREV_WHITE and SP_DIGRAPH.
	Set extra_tokens and save CPP_PASTE tokens with arg_no set for
	multiple consecutive ## tokens.
	(_cpp_create_definition): Initialize extra_tokens.
	(cpp_macro_definition): Use macro_real_token_count.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

	* directives.c (parse_include): Pass true to check_eol.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

	PR preprocessor/39646
	* include/line-map.h (enum lc_reason): Add LC_RENAME_VERBATIM.
	* line-map.c (linemap_add): Handle LC_RENAME_VERBATIM.
	* directives.c (do_line, do_linemarker): Use LC_RENAME_VERBATIM in
	place of LC_RENAME.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

	PR preprocessor/39647
	* directives.c (check_eol): Add parameter expand.
	(do_undef, parse_include, do_line, do_linemarker, do_ident,
	do_pragma_once, do_pragma_system_header, do_ifdef, do_ifndef,
	do_else, do_endif, do_assert, do_unassert): All callers changed.
	Pass true from do_line, false elsewhere.

2009-04-12  Joseph Myers  <joseph@codesourcery.com>

	PR preprocessor/31869
	* macro.c (stringify_arg): Handle NULL source token in padding
	token where previous padding token did not have source token with
	preceding whitespace.

2009-04-09  Jakub Jelinek  <jakub@redhat.com>

	* Makefile.in: Change copyright header to refer to version
	3 of the GNU General Public License and to point readers at the
	COPYING3 file and the FSF's license web page.
	* charset.c: Likewise.
	* directives-only.c: Likewise.
	* directives.c: Likewise.
	* errors.c: Likewise.
	* expr.c: Likewise.
	* files.c: Likewise.
	* identifiers.c: Likewise.
	* include/cpp-id-data.h: Likewise.
	* include/cpplib.h: Likewise.
	* include/line-map.h: Likewise.
	* include/mkdeps.h: Likewise.
	* include/symtab.h: Likewise.
	* init.c: Likewise.
	* internal.h: Likewise.
	* lex.c: Likewise.
	* line-map.c: Likewise.
	* macro.c: Likewise.
	* makeucnid.c: Likewise.
	* mkdeps.c: Likewise.
	* pch.c: Likewise.
	* symtab.c: Likewise.
	* system.h: Likewise.
	* traditional.c: Likewise.
	* ucnid.tab: Likewise.
	* ucnid.h: Regenerate.

2009-04-01  Janis Johnson  <janis187@us.ibm.com>

	PR c/39027
	* include/cpplib.h (CPP_N_DEFAULT): Define.
	* expr.c (interpret_float_suffix): Recognize d or D for double,
	return new value for default.
	(cpp_classify_number): Issue pedwarn for use of d or D in suffix.

	PR c/33466
	* expr.c (interpret_float_suffix): Reject invalid suffix that uses
	letters from decimal float and fixed-point suffixes.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

	PR preprocessor/15638
	* files.c (_cpp_find_file): Call open_file_failed after diagnosing
	invalid PCH.
	(open_file_failed): Make error for missing file fatal.
	* include/cpplib.h (CPP_DL_FATAL): Define.

2009-03-30  Sergiy Vyshnevetskiy  <serg@vostok.net>

	PR preprocessor/31932:
	* internal.h: Don't mention HAVE_ICONV_H.
	* configure, config.in: Rebuild.
	* configure.ac: Don't check for iconv.h.

2009-03-30  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/39512:
	* line-map.c (linemap_init): Initialize 'reallocator' field.

2009-03-30  Jakub Jelinek  <jakub@redhat.com>

	PR target/39558
	* macro.c (cpp_get_token): If macro_to_expand returns NULL
	and used some tokens, add CPP_PADDING before next token.

2009-03-29  Joseph Myers  <joseph@codesourcery.com>

	PR preprocessor/34695
	* makedepend.c: Remove.
	* Makefile.in (makedepend_OBJS, makedepend$(EXEEXT)): Remove.
	(all, clean, TAGS_SOURCES, include): Remove makedepend handling.
	* directives.c (cpp_errors): Remove.
	* errors.c (print_location, _cpp_begin_message, v_message):
	Remove.
	(cpp_error, cpp_error_with_line): Always use error callback.
	(cpp_error, cpp_error_with_line, cpp_errno): Return bool.
	* include/cpplib.h (cpp_options): Remove pedantic_errors,
	inhibit_warnings, warn_system_headers, inhibit_errors,
	warnings_are_errors, client_diagnostic.
	(cpp_callbacks): Add extra arguments to error callback; make it
	return bool.
	(cpp_finish): Return void.
	(cpp_destroy): Remove inaccurate comment about return value.
	(cpp_errors, CPP_DL_EXTRACT, CPP_DL_WARNING_P): Remove.
	(CPP_DL_NOTE): Define.
	* include/line-map.h (linemap_print_containing_files): Remove.
	* init.c (cpp_finish): Do not check for or return number of
	errors.
	* internal.h (cpp_reader): Remove errors field.
	* line-map.c (linemap_print_containing_files): Remove.
	* macro.c (_cpp_create_definition): Use CPP_DL_NOTE for message
	about previous definition.  Only emit it if previous diagnostic
	was emitted.

2009-03-28  Joseph Myers  <joseph@codesourcery.com>

	* Makefile.in (po/$(PACKAGE).pot): Use $(mkinstalldirs) not
	mkinstalldirs.

2009-03-18  Jakub Jelinek  <jakub@redhat.com>

	* include/cpplib.h (struct cpp_dir): Reorder fields for 64-bit hosts.

2009-02-21  Joseph Myers  <joseph@codesourcery.com>

	* lex.c (lex_string): Return a CPP_LESS token for missing '>' in a
	header name.
	(_cpp_lex_direct): Handle this.

2009-02-15  Richard Guenther  <rguenther@suse.de>

	Revert last change.

2009-02-13  Richard Guenther  <rguenther@suse.de>

	* configure.ac: Enable LFS.
	* configure: Re-generate.
	* config.in: Likewise.

2009-01-05  Ben Elliston  <bje@au.ibm.com>

	* Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
	(.po.pox): Likewise.
	(po/$(PACKAGE).pot): Likewise.

2008-12-10  Alexandre Oliva  <aoliva@redhat.com>

	PR target/37033
	* pch.c (cpp_valid_state): Improve message for poisoned symbols.
	Allow for differences in __GCC_HAVE_DWARF2_CFI_ASM.

2008-11-29  Joseph Myers  <joseph@codesourcery.com>

	* lex.c (cpp_token_len): Use 6 as default length.

2008-10-31  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* expr.c (struct op): Add location.
	(_cpp_parse_expr): Propagate locations throught the stack
	of expressions.
	(reduce): Likewise.
	(check_promotion): Use explicit location in errors.

2008-10-05  Matthew Gingell  <gingell@adacore.com>
	    Arnaud Charlet  <charlet@adacore.com>

	* include/cpplib.h (cpp_comments, cpp_comment_table): New structs.
	(cpp_get_comments): New function.
	* internal.h (struct cpp_reader): Add comments field.
	* init.c (cpp_destroy): Free comments.
	* lex.c (store_comment, cpp_get_comments): New functions.
	(comments): New struct.
	(save_comment): Store comments in comments struct.

2008-09-18  Simon Baldwin  <simonb@google.com>

	* include/cpplib.h (struct cpp_options): Add new boolean flag
	warn_builtin_macro_redefined.
	* init.c (cpp_create_reader): Initialize warn_builtin_macro_redefined.
	* (struct builtin_operator): Split out from previous struct builtin,
	enhance extra const correctness.
	* (struct builtin_macro): Split out from previous struct builtin, add
	new always_warn_if_redefined flag, enhance const correctness.
	* (mark_named_operators): Use struct builtin_operator.
	* (cpp_init_special_builtins): Use struct builtin_macro, add NODE_WARN
	to builtins selectively.
	* macro.c (warn_of_redefinition): Return false if a builtin macro
	is not flagged with NODE_WARN.

2008-07-31  Jakub Jelinek  <jakub@redhat.com>

	PR preprocessor/36649
	* files.c (struct report_missing_guard_data): New type.
	(report_missing_guard): Put paths into an array instead of printing
	them right away.  Return 1 rather than 0.
	(report_missing_guard_cmp): New function.
	(_cpp_report_missing_guards): Sort and print paths gathered by
	report_missing_guard callback.

2008-07-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 28079
	* directives.c (strtolinenum): Handle overflow.
	(do_line): Give a warning if line number overflowed.
	(do_linemarker): Update call to strtolinenum.

2008-07-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* include/line-map.h (linenum_type): New typedef.
	(struct line_map): Use it.
	(SOURCE_LINE): Second arguments is a LOCATION not a LINE.
	(SOURCE_COLUMN): Likewise.
	* macro.c (_cpp_builtin_macro_text): Use linenum_type. Don't store
	source_location values in a variable of type linenum_type.
	* directives.c (struct if_stack): Use linenum_type.
	(strtoul_for_line): Rename as strtolinenum.
	(do_line): Use linenum_type.
	(do_linemarker): Use linenum_type and strtolinenum.
	(_cpp_do_file_change): Use linenum_t.
	* line-map.c (linemap_add): Likewise.
	(linemap_line_start): Likewise.
	* traditional.c (struct fun_macro): 'line' is a source_location.
	* errors.c (print_location): Use linenum_type.
	* directives-only.c (_cpp_preprocess_dir_only): Likewise.
	* internal.h (CPP_INCREMENT_LINE): Likewise.
	* lex.c (_cpp_skip_block_comment): Use source_location.
	
2008-07-14  Ben Elliston  <bje@au.ibm.com>

	* include/cpplib.h (NODE_CONDITIONAL): New.
	(struct cpp_callbacks): New macro_to_expand field.
	(struct cpp_hashnode): Adjust size of flags and type fields.
	(cpp_peek_token): Prototype.
	* lex.c (cpp_peek_token): New function.
	(_cpp_temp_token): Protect pre-existing lookaheads.
	* macro.c (cpp_get_token): Expand any conditional macros.
	(_cpp_backup_tokens_direct): New.
	(_cpp_backup_tokens): Call _cpp_backup_tokens_direct.
	(warn_of_redefinition): Silently allow redefined conditional
	macros.
	(_cpp_create_definition): Remove the conditional flag when a user
	defines one of the conditional macros.
	* internal.h (_cpp_backup_tokens_direct): New prototype.

2008-06-13  Andrew Haley  <aph@redhat.com>

	PR preprocessor/33305
	* macro.c (replace_args): Print a warning for empty macro
	arguments in C89 and C++.

2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* Makefile.in ($(srcdir)/aclocal.m4): Update dependencies.
	* configure: Regenerate.

2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* Makefile.in (datarootdir): New variable.

2008-06-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR preprocessor/36479
	* charset.c (cpp_interpret_string_notranslate): Also set
	narrow_cset_desc.width.

2008-06-07  Joseph Myers  <joseph@codesourcery.com>

	* configure.ac (parisc*64*-*-*): Remove.
	* configure: Regenerate.

2008-05-30  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/36320:
	* internal.h (_cpp_parse_expr): Update.
	* expr.c (_cpp_parse_expr): Add 'is_if' argument.  Update error
	messages.
	* directives.c (do_if): Update.
	(do_elif): Require expression if processing group.

2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>

	* include/cpplib.h (struct cpp_dir): Add new field, canonical_name.

2008-05-21  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/27777:
	* lex.c (cpp_output_line_to_string): New function.
	* internal.h (_cpp_begin_message): Don't declare.
	* errors.c (_cpp_begin_message): Now static.
	* include/cpplib.h (cpp_output_line_to_string): Declare.
	* directives.c (do_diagnostic): Rewrote.  Use
	cpp_output_line_to_string.  Don't use _cpp_begin_message.

2008-05-21  Tom Tromey  <tromey@redhat.com>

	* include/symtab.h (HT_ALLOCED): Remove.
	(ht_purge): Declare.
	* symtab.c (DELETED): New define.
	(ht_lookup): Update comment.
	(ht_lookup_with_hash): Handle deleted entries.  Remove HT_ALLOCED
	code.  Use subobject allocator for strings, if it exists.
	(ht_expand): Handle deleted entries.
	(ht_forall): Likewise.
	(ht_purge): New function.
	(ht_dump_statistics): Print deletion statistics.

2008-05-13  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/22168:
	* include/cpplib.h (struct cpp_options) <objc>: Update
	documentation.
	* expr.c (eval_token): Warn for use of assertions.
	* directives.c (directive_diagnostics): Warn about extensions.
	(DEPRECATED): New define.
	(DIRECTIVE_TABLE): Use it.

2008-05-06  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/35313, PR preprocessor/36088:
	* expr.c (optab) <QUERY, COMMA>: Set precedence to 4.
	(reduce) <case CPP_QUERY>: Special case CPP_COMMA and CPP_COLON.

2008-05-04  David S. Miller  <davem@davemloft.net>

	* configure.ac (sparc*-*-*): Always set need_64bit_hwint to yes.
	* configure: Regenerate.

2008-04-22  Daniel Franke  <franke.daniel@gmail.com>

	* include/cpplib.h (cpp_define_formatted): New.
	* directives.c (cpp_define_formatted): New.

2008-04-21  Tom Tromey  <tromey@redhat.com>

	PR libcpp/33415:
	* charset.c (_cpp_convert_input): Add buffer_start argument.
	Ignore UTF-8 BOM if seen.
	* internal.h (_cpp_convert_input): Add argument.
	* files.c (struct _cpp_file) <buffer_start>: New field.
	(destroy_cpp_file): Free buffer_start, not buffer.
	(_cpp_pop_file_buffer): Likewise.
	(read_file_guts): Update.

2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>

	* include/cpp-id-data.h (UC): Was U, conflicts with U"..." literal.
	* include/cpplib.h (CHAR16, CHAR32, STRING16, STRING32): New tokens.
	(struct cpp_options): Added uliterals.
	(cpp_interpret_string): Update prototype.
	(cpp_interpret_string_notranslate): Idem.
	* charset.c (init_iconv_desc): New width member in cset_converter.
	(cpp_init_iconv): Add support for char{16,32}_cset_desc.
	(convert_ucn): Idem.
	(emit_numeric_escape): Idem.
	(convert_hex): Idem.
	(convert_oct): Idem.
	(convert_escape): Idem.
	(converter_for_type): New function.
	(cpp_interpret_string): Use converter_for_type, support u and U prefix.
	(cpp_interpret_string_notranslate): Match changed prototype.
	(wide_str_to_charconst): Use converter_for_type.
	(cpp_interpret_charconst): Add support for CPP_CHAR{16,32}.
	* directives.c (linemarker_dir): Macro U changed to UC.
	(parse_include): Idem.
	(register_pragma_1): Idem.
	(restore_registered_pragmas): Idem.
	(get__Pragma_string): Support CPP_STRING{16,32}.
	* expr.c (eval_token): Support CPP_CHAR{16,32}.
	* init.c (struct lang_flags): Added uliterals.
	(lang_defaults): Idem.
	* internal.h (struct cset_converter) <width>: New field.
	(struct cpp_reader) <char16_cset_desc>: Idem.
	(struct cpp_reader) <char32_cset_desc>: Idem.
	* lex.c (digraph_spellings): Macro U changed to UC.
	(OP, TK): Idem.
	(lex_string): Add support for u'...', U'...', u"..." and U"...".
	(_cpp_lex_direct): Idem.
	* macro.c (_cpp_builtin_macro_text): Macro U changed to UC.
	(stringify_arg): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.

2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

2008-04-17  Tom Tromey  <tromey@redhat.com>

	PR libcpp/34866:
	* errors.c (cpp_error): Don't reference a token before the start
	of the current run.

2008-04-16  Tom Tromey  <tromey@redhat.com>

	* Makefile.in (TAGS_SOURCES): New variable.
	(TAGS): New target.

2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>

	* configure.ac: (need_64bit_hwint): Need 64bit hwint for sh-*-*
	and shbe-*-*.
	* configure: Rebuilt.

2008-04-02  Joseph Myers  <joseph@codesourcery.com>

	* include/cpplib.h (struct cpp_callbacks): Add used_define,
	used_undef and before_define.
	(NODE_USED): Define.
	* directives.c (do_define, do_undef, undefine_macros, do_ifdef,
	do_ifndef, cpp_pop_definition): Handle new flag and use new
	callbacks.
	* expr.c (parse_defined): Handle new flag and use new callbacks.
	* macro.c (enter_macro_context, _cpp_free_definition): Handle new
	flag and use new callbacks.

2008-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR pch/13675
	* files.c (struct _cpp_file): Remove pch field.
	(pch_open_file): Don't set file->pch, just file->pchname.
	(should_stack_file): After pfile->cb.read_pch call
	free pchname and clear pchname, don't close file->fd.
	Test file->pchname instead of file->pch.  Don't close fd after cb.
	(_cpp_stack_include): Test file->pchname instead of file->pch.

2008-03-28  Tom Tromey  <tromey@redhat.com>

	* Makefile.in (POSTCOMPILE): New variable.
	(.c.o): Use it.

2008-03-13  Tom Tromey  <tromey@redhat.com>

	PR libcpp/35322:
	* directives.c (destringize_and_run): Set pfile->directive.

2008-03-06  Markus Milleder  <markus.milleder@generali.at>

	PR preprocessor/35458
	* mkdeps.c (munge): Quote '#' with a '\'.

2008-02-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR preprocessor/35379
	* mkdeps.c (deps_write): Ensure the first target always appears
	in the first column, without leading backslash newline.  Avoid
	some more extra whitespace.

2008-02-25  Thiemo Seufer <ths@mips.com>

	* Makefile.in ($(srcdir)/config.in): Depend on configure.ac.

2008-02-19  Tom Tromey  <tromey@redhat.com>

	* traditional.c (lex_identifier): Use CPP_HASHNODE.
	* lex.c (lex_identifier): Use CPP_HASHNODE.
	* include/line-map.h (LINEMAP_POSITION_FOR_COLUMN): Wrap in
	do-while.
	* identifiers.c (alloc_node): Change return type.
	(_cpp_init_hashtable): Don't cast 'alloc_node'.
	(proxy_assertion_broken): New declaration.
	(cpp_forall_identifiers): Move comment.
	* line-map.c (linemap_add): Comment fix.
	(linemap_line_start): Indentation fix.

2008-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR preprocessor/34692
	* macro.c (collect_args): Add pragma_buff argument.  Push
	CPP_PRAGMA ... CPP_PRAGMA_EOL tokens to *pragma_buff, rather
	than into arguments.  Reset prevent_expansion and parsing_args
	state at CPP_PRAGMA_EOL/CPP_EOF.
	(funlike_invocation_p): Add pragma_buff argument, pass it through
	to collect_args.
	(enter_macro_context): Add result argument.  Adjust
	funlike_invocation_p caller.  Emit all deferred pragma tokens
	gathered during collect_args before the expansion, add a padding
	token.  Return 2 instead of 1 if any pragma tokens were prepended.
	(cpp_get_token): If enter_macro_context returns 2, don't return
	a padding token, instead cycle to grab CPP_PRAGMA token.
	* directives.c (_cpp_handle_directive): If was_parsing_args
	in deferred pragma, leave parsing_args and prevent_expansion as is.

2008-01-22  Tom Tromey  <tromey@redhat.com>

	PR c++/34859
	* macro.c (_cpp_create_definition): Handle __STDC_LIMIT_MACROS and
	__STDC_CONSTANT_MACROS.

2008-01-07  Fred Fish  <fnf@specifix.com>

	PR preprocessor/30363
	* traditional.c (replace_args_and_push): Add local variable
	cxtquote, calculate the replacement text size assuming a 
	worst case of every input character quoted with backslash,
	and properly handle output quoting of quote characters in
	actual arguments used in function-like macros.

2008-01-03  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/34602
	* directives.c (do_line): Don't try to spell EOF token.
	(do_linemarker): Add comment.

2007-12-11  DJ Delorie  <dj@redhat.com>

	* charset.c (convert_using_iconv): Close out any shift states,
	returning to the initial state.

2007-12-06  Tom Tromey  <tromey@redhat.com>

	PR c/29172
	* internal.h (struct cpp_reader) <file_hash_entries>: Changed
	type.
	<file_hash_entries_allocated, file_hash_entries_used>: Removed.
	* files.c (FILE_HASH_POOL_SIZE): New macro.
	(struct file_hash_entry_pool): New.
	(destroy_all_cpp_files): New function.
	(allocate_file_hash_entries): Allocate a file_hash_entry_pool.
	(new_file_hash_entry): Update.
	(free_file_hash_entries): New function.
	(_cpp_cleanup_files): Call free_file_hash_entries and
	destroy_all_cpp_files.
	(cpp_clear_file_cache): New function.
	* include/cpplib.h (cpp_clear_file_cache): Declare.

2007-12-03  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/34288
	* configure.ac, config.in: Rebuilt.
	* configure.ac: Check for ssize_t.

2007-11-30  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/32868
	* macro.c (_cpp_create_definition): Special case
	__STDC_FORMAT_MACROS.

2007-11-16  Michael Matz  <matz@suse.de>

	* files.c (search_path_head): Fix check for absolute paths.

2007-11-11  Tom Tromey  <tromey@redhat.com>

	PR c++/17557
	* include/cpplib.h (cpp_included_before): Declare.
	* files.c (struct file_hash_entry) <location>: New field.
	(_cpp_find_file): Initialize new field.
	(make_cpp_dir): Likewise.
	(cpp_included_before): New function.

2007-11-01  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/30805
	* macro.c (paste_tokens): Handle padding token.
	(paste_tokens): Don't abort unless padding has PASTE_LEFT flag.

2007-10-31  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/30786
	* macro.c (builtin_macro): Return result of _cpp_do__Pragma.
	* directives.c (_cpp_do__Pragma): Return error status.
	* internal.h (_cpp_do__Pragma): Update.
	* directives.c (get__Pragma_string): Back up if EOF seen.

2007-09-06  Tom Tromey  <tromey@redhat.com>

	* internal.h (struct cpp_reader) <invocation_location>: New
	field.
	(struct cpp_reader) <set_invocation_location>: Likewise.
	* init.c (cpp_set_line_map): New function.
	* line-map.c (linemap_add): Use linemap's allocator.
	* include/line-map.h (GTY): Define.
	(line_map_realloc): New typedef.
	(struct line_map): Mark with GTY.
	(struct line_maps): Likewise.
	(struct line_maps) <maps>: Likewise.
	(struct line_maps) <reallocator>: New field.
	* include/symtab.h (GTY): Conditionally define.
	* include/cpplib.h (cpp_set_line_map): Declare.
	(cpp_get_token_with_location): Declare.
	* macro.c (cpp_get_token): Set invocation_location on the reader.
	(cpp_get_token_with_location): New function.

2007-08-30  Chao-ying Fu  <fu@mips.com>

	* expr.c (interpret_float_suffix): Support hr, r, lr, llr, uhr, ur,
	ulr, ullr, hk, k, lk, llk, uhk, uk, ulk, ullk.
	(cpp_classify_number): Support decimal fixed-point constants without
	exponents.
	Warn about fixed-point constants when -pedantic.
	* include/cpplib.h (CPP_N_SMALL, CPP_N_MEDIUM, CPP_N_LARGE): Change
	comments to support fixed-point values.
	(CPP_N_FRACT, CPP_N_ACCUM): Define.

2007-08-18  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/32974
	* directives.c (parse_include): Don't check for EOL when
	processing #pragma dependency.

2007-07-30  Ollie Wild  <aaw@google.com>

	* directives-only.c: New file.
	* internal.h (struct _cpp_dir_only_callbacks): New.
	(_cpp_preprocess_dir_only): New function.
	* directives.c (_cpp_handle_directive): Check directives_only before
	disabling execution of indented directives.
	* files.c (_cpp_stack_file): Add directives_only check.
	* include/cpplib.h (struct cpp_options): Add directives_only.
	(cpp_init_special_builtins): New function.
	* init.c (cpp_init_special_builtins): New function.
	(cpp_init_builtins): Move builtin_array initialization to
	cpp_init_special_builtins.
	(post_options): Check directives_only before setting
	pfile->state.prevent_expansion = 1.
	* macro.c (_cpp_builtin_macro_text): Print an error if __COUNTER__
	is expanded inside a directive while -fdirectives-only is enabled.
	* Makefile.in (libcpp_a_OBJS): Add directives-only.o.
	(libcpp_a_SOURCES): Add directives-only.c.

2007-07-04  Uros Bizjak  <ubizjak@gmail.com>

	* traditional.c (_cpp_scan_out_logical_line): Initialize
	fmacro.args, fmacro.node, fmacro.offset, fmacro.line and
	fmacro.args to prevent 'may be used uninitialized' warning.

2007-07-03  Uros Bizjak  <ubizjak@gmail.com>

	* include/cpplib.h (CPP_N_WIDTH_MD, CPP_N_MD_W, CPP_N_MD_Q):
	Add new constants.
	* expr.c (interpret_float_suffix): Process 'w', 'W', 'q' and 'Q'
	suffixes.  Return CPP_N_MD_W for 'w' or 'W' suffixes and CPP_N_MD_Q
	for 'q' or 'Q' suffixes.

2007-06-17  Danny Smith  <dannysmith@users.sourceforge.net

	* files.c (open_file): Correct typo.

2007-06-16  Vladimir Prus  <vladimir@codesourcery.com>

	* files.c (open_file): Prevent the call
	for stat from overwriting errno.

2007-06-09  Vladimir Prus  <vladimir@codesourcery.com>

	* files.c (open_file): Account for the
        fact that on windows, opening a directory gives
        EACCES.

2007-06-05  Joerg Wunsch  <j.gnu@uriah.heep.sax.de>

	PR preprocessor/23479
	* expr.c (cpp_classify_number): Implement 0b-prefixed binary
	integer constants.
	(append_digit): Likewise.
	* include/cpplib.h: Add CPP_N_BINARY, to be used for 0b-prefixed
	binary integer constants.

2007-05-31  Dave Korn  <dave.korn@artimi.com>

	PR preprocessor/14331
	* lex.c (_cpp_get_fresh_line):  Don't warn if no newline at EOF.

2007-05-24  Ollie Wild  <aaw@google.com>

	* macro.c (_cpp_builtin_macro_text): Handle BT_COUNTER.
	* pch.c (cpp_write_pch_deps): Save __COUNTER__ state.
	(cpp_write_pch_state): Save __COUNTER__ state.
	(cpp_valid_state): Check valid __COUNTER__ state.
	(cpp_read_state): Read new __COUNTER__ state.
	* include/cpplib.h (enum builtin_type): Add BT_COUNTER enumerator.
	* init.c (builtin_array): Add __COUNTER__/BT_COUNTER.
	* internal.h (struct cpp_reader): Add counter member.

2007-05-23  Simon Martin  <simartin@users.sourceforge.net>

	PR preprocessor/20077
	* macro.c (create_iso_definition): Fixed the method to determine
	whether the token-pasting operator appears at the beginning or the end
	of a macro.

2007-05-21  Ian Lance Taylor  <iant@google.com>

	* internal.h (struct cpp_reader): Add new fields:
	nonexistent_file_hash and nonexistent_file_ob.
	* files.c: Include "obstack.h".
	(find_file_in_dir): Before trying to open the file, look up the
	path name in the hash table of nonexistent files.  After failing
	to open the file, add the path name to the hash table.
	(_cpp_find_file): Cache the results of looking up the file name
	starting with the quote and bracket chain heads, if we can.
	(nonexistent_file_hash_eq): New static function.
	(_cpp_init_files): Initialize pfile->nonexistent_file_hash and
	pfile->nonexistent_file_ob.
	(_cpp_cleanup_files): Free pfile->nonexistent_file_hash and
	pfile->nonexistent_file_ob.

2007-05-14  Janis Johnson  <janis187@us.ibm.com>

        * expr.c (cpp_classify_number): Warn about dfp constant for -pedantic.

	PR c/31924
	* expr.c (interpret_float_suffix): Check for invalid suffix.

2007-05-02  Eric Christopher  <echristo@apple.com>

	* expr.c (num_div_op): Don't overflow if the result is
	zero.

2007-05-02  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/28709
	* macro.c (paste_tokens): Remove PASTE_LEFT from the old lhs.

2007-03-30  Michael Meissner  <michael.meissner@amd.com>

	* directives.c (lex_macro_node_from_str): Fix alloca call to be
	type correct.

2007-03-30  Richard Henderson  <rth@redhat.com>

	* directives.c (lex_macro_node_from_str): New.
	(cpp_push_definition, cpp_pop_definition): New.
	* include/cpplib.h (cpp_push_definition, cpp_pop_definition): Declare.

2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>

	* Makefile.in: Add dummy install-pdf target.

2007-01-30  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/30468
	* mkdeps.c (apply_vpath): Strip successive '/'s if we stripped
	'./'.

2007-01-30  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/29966
	* macro.c (lex_expansion_token): Save and restore cpp_reader's
	cur_token.
	(_cpp_create_definition): Don't restore cur_token here.
	* lex.c (_cpp_lex_token): Added assertion.

2007-01-27  Tom Tromey  <tromey@redhat.com>

	* configure: Rebuilt.

2007-01-12  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/28227
	* directives.c (lex_macro_node): Added 'is_def_or_undef'
	argument.
	(do_define): Update.
	(do_undef): Update.
	(do_ifdef): Update.
	(do_ifndef): Update.

2007-01-11  Paolo Bonzini  <bonzini@gnu.org>

	* configure: Regenerate.

2007-01-11  Paolo Bonzini  <bonzini@gnu.org>

	* configure: Regenerate.

2007-01-04  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/28165
	* internal.h (cpp_in_primary_file): New function.
	* directives.c (do_include_next): Use cpp_in_primary_file.
	(do_pragma_once): Likewise.
	(do_pragma_system_header): Likewise.

2006-12-29  Ian Lance Taylor  <iant@google.com>

	* lex.c (_cpp_clean_line): Add uses of __builtin_expect.  Don't
	look backward at the end of the line unless we saw a backslash.

2006-12-29  Jakub Jelinek  <jakub@redhat.com>

	PR preprocessor/29612
	* directives.c (do_linemarker): Set pfile->buffer->sysp always, not
	only when new_sysp is non-zero.

2006-12-28  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/30001
	* charset.c (_cpp_convert_input): Check that to.len is greater
	than zero.

2006-11-20  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>

	* configure.ac (need_64bit_hwint): Need 64bit hwint for SPU.
	* configure: Rebuilt.

2006-11-01	Douglas Gregor <doug.gregor@gmail.com>

	* include/cpplib.h (enum c_lang): Add CLK_GNUCXX0X and CLK_CXX0X
	for experimental C++0x mode.
	* init.c (lang_defaults): Add defaults for C++0x modes. C++0x has
	adopted the preprocessor changes introduced in C99.

2006-10-29  Joseph Myers  <joseph@codesourcery.com>

	* configure.ac (need_64bit_hwint): Set for i[34567]86-*-linux*
	depending on --enable-targets=all.
	* configure: Regenerate.

2006-10-12  Jakub Jelinek  <jakub@redhat.com>

	PR preprocessor/28709
	* macro.c (paste_tokens): Do error reporting here, use BUF with the
	spelled LHS token as opposed to spelling it again.
	(paste_all_tokens): Don't report errors here, just break on failure.

2006-10-10  Brooks Moses  <bmoses@stanford.edu>

	* Makefile.in: Added empty "pdf" target.

2006-09-22  Geoffrey Keating  <geoffk@apple.com>

	* configure.ac: Make need_64_bit_hwint case for x86-darwin
	match exactly the glob in gcc/config.gcc.
	* configure: Regenerate.

2006-09-13  Joseph S. Myers  <joseph@codesourcery.com>

	PR c/28768
	PR preprocessor/14634
	* lex.c (lex_string): Pedwarn for unterminated literals.

2006-09-08  Eric Christopher  <echristo@apple.com>

	* configure.ac: Add 64-bit HWI support for i?86-darwin.

2006-08-14  Steve Ellcey  <sje@cup.hp.com>

	PR c++/28288
	PR c++/14556
	* include/cpplib.h: Remove <?, >?, <?=, and >?= tokens.
	(CPP_LAST_EQ): Change.
	(CPP_LAST_PUNCTUATOR): Change.
	* expr.c (cpp_operator): Remove MIN and MAX.
	(reduce): Remove CPP_MIN and CPP_MAX.
	(num_binary_op): Ditto.
	* lex.c (_cpp_lex_direct): Ditto.
	(cpp_avoid_paste): Remove ? as legal symbol after > or <.

2006-06-09  Jakub Jelinek  <jakub@redhat.com>

	PR preprocessor/27746
	* directives.c (do_pragma): Handle pragma with valid namespace
	and invalid name coming from macro expansion.
	* directives.c (destringize_and_run): Initialize next field in
	context.

	PR c/27747
	PR c++/27748
	* directives.c (destringize_and_run): Set NO_EXPAND on the
	tokens.

	* macro.c (_cpp_backup_tokens): Fix comment typo.

2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>

	* Makefile.in (CATALOGS): Add po/ prefix.
	* configure: Regenerated.

2006-05-23  Carlos O'Donell  <carlos@codesourcery.com>

	* Makefile.in: Add install-html target. Add install-html to .PHONY

2006-02-17  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>

	* macro.c (_cpp_builtin_macro_text): Handle BT_TIMESTAMP.
	* files.c (_cpp_get_file_stat): New function.
	* include/cpplib.h (builtin_type): Add BT_TIMESTAMP.
	* init.c (builtin_array): Add support for __TIMESTAMP__/BT_TIMESTAMP.
	* internal.h (_cpp_get_file_stat): Prototype.
	(struct cpp_buffer): Add timestamp.

2006-01-23  Jakub Jelinek  <jakub@redhat.com>

	PR preprocessor/25717
	* init.c (cpp_init_builtins): If __STDC__ will not change value
	between system headers and other sources, define it as a normal
	macro rather than a builtin.
	* macro.c (_cpp_builtin_macro_text) <case BT_STDC>: Only check
	cpp_in_system_header condition.

2006-01-05  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.in: Use -MMD instead of -MD.

2006-01-04  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
	    Richard Henderson  <rth@redhat.com>

	Merge from gomp branch:
	* directives.c (struct pragma_entry): Add is_deferred.  Add ident
	entry to value union.
	(end_directive): Don't eat the line if in_deferred_pragma.
	(run_directive): Remove pragma hacks.
	(insert_pragma_entry): Remove.
	(new_pragma_entry): New.
	(register_pragma_1): Split out of register_pragma.  Only handle
	the lookup tree and return the new entry.
	(cpp_register_pragma): Fill in the pragma entry here.
	(cpp_register_deferred_pragma): New.
	(register_pragma_internal): New.
	(_cpp_init_internal_pragmas): Use register_pragma_internal.
	(do_pragma): Allow pragma expansion after namespace.  For deferred
	pragmas, don't slurp the line into a string.
	(destringize_and_run): Save tokens for deferred pragmas.
	(cpp_handle_deferred_pragma): Remove.
	* macro.c (builtin_macro): Remove pragma token hack.
	(_cpp_push_token_context): Rename from push_token_context and export.
	* internal.h (struct lexer_state): Add pragma_allow_expansion.
	(_cpp_push_token_context): Declare.
	* lex.c (_cpp_lex_token): Allow _cpp_handle_directive to return
	a token.  Update the line number correctly if so.
	(_cpp_lex_direct): Emit CPP_PRAGMA_EOL tokens.
	(cpp_token_val_index): Return CPP_TOKEN_FLD_PRAGMA for pragmas.
	* include/cpplib.h (PRAGMA_EOL): New.
	(CPP_TOKEN_FLD_PRAGMA): New.
	(struct cpp_token): Add val.pragma.
	(struct cpp_options): Remove defer_pragmas.
	(cpp_handle_deferred_pragma): Remove.
	(cpp_register_deferred_pragma): Declare.

2006-01-01  Jakub Jelinek  <jakub@redhat.com>

	PR c++/25294
	* directives.c (do_pragma): If pragma line ends with multi-line
	block comment, end the saved deferred pragma string before that
	comment.  Handle embedded '\0' chars on the pragma line.

2005-12-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

	PR c++/23333
	* include/cpplib.h: Add PURE_ZERO to flags for the cpp_token structure.

2005-12-07  Jon Grimm  <jgrimm2@us.ibm.com>
	    Ben Elliston  <bje@au.ibm.com>

	* include/cpplib.h (CPP_N_DFLOAT): New.
	* expr.c (interpret_float_suffix): Identify df, dd, and dl
	suffixes as decimal floating point constants.
	(cpp_classify_number): Disallow hexadecimal DFP constants.

2005-11-14  Gerald Pfeifer  <gerald@pfeifer.com>
	    Ian Lance Taylor  <ian@airs.com>

	* include/cpplib.h (struct cpp_callbacks): Annotate error with
	ATTRIBUTE_FPTR_PRINTF(3,0) instead of ATTRIBUTE_PRINTF(3,0).

2005-11-09  Per Bothner  <per@bothner.com>
	    Uros Bizjak  <uros@kss-loka.si>

	PR c/24101
	* init.c (read_original_filename): Temporarily set
	state.in_directive before calling _cpp_lex_direct for
	CPP_HASH tokens.

2005-11-03  James E Wilson  <wilson@specifix.com>

	PR preprocessor/24202
	* files.c (_cpp_pop_file_buffer): Set buffer_valid to false.

2005-11-04  Joseph S. Myers  <joseph@codesourcery.com>

	* include/cpplib.h (struct cpp_callbacks): Make error take
	va_list* parameter.
	* errors.c (cpp_error): Update call to callback.

2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>

	PR preprocessor/22042
	* macro.c (_cpp_builtin_macro_text): Lower the needed max
	buffer size.
	(cpp_quote_string): Don't octalify non printable
	charactors.

2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>

	PR c++/17964
	* include/cpplib.h (struct cpp_options): Add client_diagnostic.
	(struct cpp_callbacks): Add error.
	* errors.c (cpp_error): If client_diagnostic, use error callback.
	* charset.c (convert_escape): Don't use %03o in diagnostic.

2005-10-21  James E Wilson  <wilson@specifix.com>

	PR preprocessor/15220
	* files.c (_cpp_find_file): New parameter angle_brackets.  Fix all
	callers.  Pass to open_file_failed.
	(open_file_failed): New parameter angle_brackets.  Fix all callers.
	Use in print_dep assignment.
	* init.c (cpp_read_main_file): Pass additional arg to _cpp_find_file.
	* internal.h (_cpp_find_file): Add new parm to declaration.

2005-10-08  Kazu Hirata  <kazu@codesourcery.com>

	* configure.ac: Require 64-bit int for arm*-*-*eabi*.
	* configure: Regenerate.

2005-10-04  Ian Lance Taylor  <ian@airs.com>

	PR preprocessor/13726
	* directives.c (check_eol_return_comments): New static function.
	(parse_include): Add buf parameter.  Change all callers.
	(do_include_common): If not discard comments, turn on
	save_comments.  Pass collected comments to include callback.
	* include/cpplib.h (struct cpp_callbacks): Add new parameter to
	include callback: cpp_token list.

2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>

	* include/cpplib.h (struct cpp_options): Add extended_identifiers.
	* init.c (struct lang_flags, lang_defaults): Add
	extended_identifiers.
	(cpp_set_lang): Use it.
	* lex.c (forms_identifier_p): Check extended_identifiers.

2005-08-30  Jakub Jelinek  <jakub@redhat.com>

	PR preprocessor/20348
	PR preprocessor/20356
	* files.c (_cpp_find_file, search_cache): Revert 2004-06-26 and
	2004-06-05 changes.

2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* configure.ac (ACX_PROG_CC_WARNING_OPTS): add
	-Wmissing-format-attribute.

	* configure: Regenerate.

2005-06-29  Kelley Cook  <kcook@gcc.gnu.org>

	* all files: Update FSF address in copyright headers.
	* makeucnid.c (write_copyright): Update outputted FSF address.

2005-06-13  Zack Weinberg  <zack@codesourcery.com>

	* configure.ac: Invoke ZW_CREATE_DEPDIR and
	ZW_PROG_COMPILER_DEPENDENCIES.
	* aclocal.m4, configure: Regenerate.
	* Makefile.in (DEPMODE, DEPDIR, depcomp, COMPILE.base, COMPILE):
	New variables.
	(distclean): Clean up $(DEPDIR) and its contents.
	(.c.o): Use $(COMPILE).
	Include $(DEPDIR)/*.Po for most object->header dependencies.

2005-05-28  Gabriel Dos Reis  <gdr@integrable-solutions.net>

	* configure.ac: Check declarations for asprintf and vasprintf.
	* config.in: Regenerate.
	* configure: Likewise.

	* charset.c (conversion_loop): Use XRESIZEVEC.
	(convert_no_conversion): Likewise.
	(convert_using_iconv): Likewise.
	(init_iconv_desc): Cast return value of alloca.
	(cpp_host_to_exec_charset): Use XNEWVEC.
	(emit_numeric_escape): Use XRESIZEVEC.
	(cpp_interpret_string): Use XNEWVEC.
	(cpp_interpret_string): Use XRESIZEVEC.
	(_cpp_interpret_identifier): Cast return value of alloca.
	(_cpp_convert_input): Use XNEWVEC and XRESIZEVEC.
	* directives.c (glue_header_name): Use XNEWVEC and XRESIZEVEC.
	(parse_include): Use XNEWVEC.
	(insert_pragma_entry): Rename local variable "new" to
	"new_entry".
	(save_registered_pragmas): Cast return value of xmemdup.
	(destringize_and_run): Same for alloca.
	(parse_assertion): Likewise.
	(do_assert): Cast allocated storage to proper type.
	(cpp_define): Likewise.
	(_cpp_define_builtin): Likewise.
	(cpp_undef): Likewise.
	(handle_assertion): Likewise.
	(cpp_push_buffer): Rename local variable "new" to "new_buffer".
	* expr.c (CPP_UPLUS): Cast value to type cpp_ttype.
	(CPP_UMINUS): Likewise.
	(struct cpp_operator): Rename from struct operator.
	(_cpp_expand_op_stack): Use XRESIZEVEC.
	* files.c (pch_open_file): Use XNEWVEC.
	(pch_open_file): Use XRESIZEVEC.
	(read_file_guts): Use XNEWVEC and XRESIZEVEC.
	(dir_name_of_file): Use XNEWVEC.
	(make_cpp_file): Use XCNEW.
	(make_cpp_dir): Likewise.
	(allocate_file_hash_entries): USE XNEWVEC.
	(cpp_included): Cast return value of htab_find_with_hash.
	(append_file_to_dir): Use XNEWVEC.
	(read_filename_string): Likewise. Use XRESIZEVEC too.
	(read_name_map): Cast return value of alloca.  Use XRESIZEVEC.
	(remap_filename): Use XNEWVEC.
	(struct pchf_entry): Move definition out of struct pchf_data.
	(_cpp_save_file_entries): Use XCNEWVAR.
	(_cpp_read_file_entries): Use XNEWVAR.
	* identifiers.c (alloc_node): Use XOBNEW.
	* init.c (cpp_create_reader): Use XCNEW.
	(cpp_init_builtins): Cast of b->value to enum builtin_type.
	(read_original_directory): Cast return value of alloca.
	* lex.c (add_line_note): Use XRESIZEVEC.
	(warn_about_normalization): Use XNEWVEC.
	(_cpp_lex_direct): Cast node->directive_index to (enum cpp_ttype).
	(new_buff): Use XNEWVEC.
	* line-map.c (linemap_add): Use XRESIZEVEC.
	* macro.c (builtin_macro): Cast return value of alloca.
	(paste_tokens): Likewise.
	(expand_arg): Use XNEWVEC and XRESIZEVEC.
	(_cpp_save_parameter): Use XRESIZEVEC.
	(create_iso_definition): Cast allocated storage to proper type.
	(_cpp_create_definition): Likewise.
	(cpp_macro_definition): Use XRESIZEVEC.
	* makedepend.c (add_clm): Use XNEW.
	(add_dir): Likewise.
	* mkdeps.c (munge): Use XNEWVEC.
	(deps_init): Use XCNEW.
	(deps_add_target): Use XRESIZEVEC.
	(deps_add_default_target): Cast return value of alloca.
	(deps_add_dep): Use XRESIZEVEC.
	(deps_add_vpath): Likewise.  Use XNEWVEC too.
	(deps_restore): Likewise.
	* pch.c (save_idents): Use XNEW and XNEWVEC.
	(cpp_save_state): Use XNEW.
	(count_defs): Cast return value of htab_find.
	(write_defs): Likewise.
	(cpp_write_pch_deps): Use XNEWVEC.
	(collect_ht_nodes): Use XRESIZEVEC.
	(cpp_valid_state): Use XNEWVEC.
	(save_macros): Use XRESIZEVEC.  Cast return value of xmemdup.
	* symtab.c (ht_create): Use XCNEW.
	(ht_lookup_with_hash): Cast return value of obstack_copy0.
	(ht_expand): Use XCNEWVEC.
	* system.h (HAVE_DESIGNATED_INITIALIZERS): False if __cplusplus.
	(bool): Do not define if __cplusplus.

2005-05-12  Zack Weinberg  <zack@codesourcery.com>

	* directives.c (#sccs table entry): Mark IN_I, consistent with #ident.
	(do_sccs): Delete function definition, #define to do_ident.
	(do_ident): Don't hardwire directive name.

2005-05-12  Ryota Kunisawa  <kunisawa@access.co.jp>

	PR bootstrap/21230
	* configure: Regenerate.

2005-04-27  Andris Pavenis  <pavenis@latnet.lv>

	* files.c: Include io.h for DJGPP to get prototype of setmode.

2005-04-19  Per Bothner  <per@bothner.com>

	PR preprocessor/20907
	* line-map.c (linemap_line_start): Fix bug when we need to increse
	column_bits but can re-use the current line_map.

2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* system.h (fopen, fdopen, freopen): Define these to the unlocked
	libiberty functions.

2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* configure.ac (libcpp_UNLOCKED_FUNCS): New.
	(AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for libcpp_UNLOCKED_FUNCS.
	* system.h (putchar, getc, getchar, clearerr, feof, fileno,
	fflush, fgetc, fgets, ferror, fread): Redefine to the associated
	_unlocked function.
	(fwrite_unlocked): Fix prototype.

	* configure, config.in: Regenerate.

2005-04-05  Jakub Jelinek  <jakub@redhat.com>

	PR preprocessor/19475
	* macro.c (create_iso_definition): For < ISO C99, don't
	pedwarn if there is no whitespace between macro name and its
	replacement, but the replacement starts with a basic character
	set character.

2005-03-28  Andreas Jaeger  <aj@suse.de>

	* lex.c (warn_about_normalization): Cast field width to int to
	avoid warning.

2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>

	* configure.ac: Consistently use solaris2.1[0-9]* instead of
	solaris2.1[0-9].
	* configure: Regenerate.

2005-03-15  Geoffrey Keating  <geoffk@apple.com>

	* charset.c (_cpp_valid_ucn): In identifiers, reject a partial
	UCN rather than printing an error.

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

	* lex.c (forms_identifier_p): Disable UCNs in C89 mode.

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.

2005-03-11  Geoffrey Keating  <geoffk@apple.com>

	* directives.c (glue_header_name): Update call to cpp_spell_token.
	* internal.h (_cpp_interpret_identifier): New.
	* charset.c (_cpp_interpret_identifier): New.
	(_cpp_valid_ucn): Allow UCN version of '$'.
	* lex.c (lex_identifier): Add extra parameter to indicate if initial
	character was '$' or '\'.  Support identifiers with UCNs.
	(forms_identifier_p): Allow UCNs.
	(_cpp_lex_direct): Pass extra parameter to lex_identifier.
	(utf8_to_ucn): New.
	(cpp_spell_token): Add FORSTRING parameter.  Use it.
	(cpp_token_as_text): Update call to cpp_spell_token.
	(cpp_output_token): Write UCNs back out.
	(stringify_arg): Update call to cpp_spell_token.
	(paste_tokens): Likewise.
	(cpp_macro_definition): Likewise.
	* macro.c (stringify_arg): Likewise.
	(paste_tokens): Likewise.
	(cpp_macro_definition): Likewise.
	* include/cpplib.h: Add parameter to cpp_spell_token.

2005-03-04  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/20282
	PR bootstrap/20305
	* macro.c (replace_args, cpp_get_token): Copy whole
	cpp_token_u instead of just cpp_string field from it.

2005-02-28  Devang Patel  <dpatel@apple.com>

	* directives.c (do_line): Save sysp early before line table is
	realloc'ed.

2005-02-20  Zack Weinberg  <zack@codesourcery.com>

	PR 18785
	* charset.c (LAST_POSSIBLY_BASIC_SOURCE_CHAR): New helper macro.
	(cpp_host_to_exec_charset): New function.
	* include/cpplib.h: Declare cpp_host_to_exec_charset.

2005-02-19  Devang Patel  <dpatel@apple.com>

	* charset.c (_cpp_convert_input): Check '\r' before inserting
	'\n' at the end.

2005-02-15  Eric Christopher  <echristo@redhat.com>

	PR preprocessor/19077
	* macro.c (cpp_macro_definition): Move handling of whitespace
	to PREV_WHITE conditional. Remove overloading of len
	variable.

2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>

	* directives.c, files.c, init.c, internal.h, macro.c, pch.c,
	traditional.c: Update copyright.

2005-02-14  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/19818
	* configure.ac: Check for declaration of basename and getopt.
	* config.in: Regenerate.
	* configure: Regenerate.
	* internal.h (ustrcspn): New.
	* macro.c (create_iso_definition): Fix allocation of memory.
	(padding_token): Add cast to remove const-ness.
	* pch.c (cpp_read_state): Use ustrcspn.

2005-02-08  Mike Stump  <mrs@apple.com>

	* files.c (pchf_adder): Remove.
	(struct pchf_adder_info): Likewise.
	(_cpp_save_file_entries): Write out all files so that #import works.

2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>

	* configure: Regenerate.

2005-01-11  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

	* include/cpplib.h (c_lang): Fix comment to say cpp_create_reader.

	* include/cpplib.h: Also update copyright years.

2005-01-03  Geoffrey Keating  <geoffk@apple.com>

	* files.c (_cpp_find_file): Add files found by search_path_exhausted
	to the list of all files.

2005-01-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>

	* internal.h: Update references to Cpp lib filenames.
	* directives.c: Likewise.
	* init.c: Likewise.
	* macro.c: Likewise.
	* traditional.c: Likewise.

2004-12-15  Eric Botcazou  <ebotcazou@libertysurf.fr>

	PR preprocessor/15167
	* files.c (destroy_cpp_file): New function.
	(should_stack_file): Make a new file if the
	compared file is still stacked.

2004-11-28  Nathanael Nerode  <neroden@gcc.gnu.org>

	PR preprocessor/17610
	* directives.c (do_include_common): Error out if an empty filename
	is given for #include (or #include_next or #import).

2004-11-27  Roger Sayle  <roger@eyesopen.com>
	    Zack Weinberg  <zack@codesourcery.com>

	* internal.h: Replace all uses of uchar with unsigned char.
	* include/cpp-id-data.h: Likewise.  Guard typedef of uchar
	with !IN_GCC, so uchar is only defined whilst building libcpp.

2004-11-24  Kelley Cook  <kcook@gcc.gnu.org>

	* aclocal.m4: Regenerate.

2004-11-24  Roger Sayle  <roger@eyesopen.com>

	PR preprocessor/15824
	* configure.ac: Correct HAVE_UCHAR test to #include <sys/types.h>
	directly, instead of the non-existant "system.h" and "ansidecl.h".
	* configure: Regenerate.

2004-11-23  Daniel Jacobowitz  <dan@codesourcery.com>
	    Joseph Myers  <joseph@codesourcery.com>

	* internal.h (struct lexer_state): Add in_deferred_pragma.
	* directives.c (struct pragma_entry): Add allow_expansion.
	(insert_pragma_entry): Take allow_expansion flag.
	(register_pragma): Likewise.
	(cpp_register_pragma): Likewise.
	(_cpp_init_internal_pragmas): Update calls to cpp_register_pragma.
	(do_pragma): Honor allow_expansion.
	(cpp_handle_deferred_pragma): Set in_deferred_pragma.
	* include/cpplib.h (cpp_register_pragma): Update prototype.

2004-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
	    Mark Mitchell  <mark@codesourcery.com>

	* configure.ac (i[34567]86-*-solaris2.1[0-9]*): Set
	need_64bit_hwint=yes.
	* configure: Regenerate.

2004-11-09  Joseph S. Myers  <joseph@codesourcery.com>

	* Makefile.in ($(PACKAGE).pot): New rule.  Depend on
	po/$(PACKAGE).pot.
	(po/$(PACKAGE).pot): Use ":" instead of "," in --keyword
	arguments.  Add keywords _, N_, SYNTAX_ERROR and SYNTAX_ERROR2.
	Remove local srcdir path from generated file.

2004-11-04  Zack Weinberg  <zack@codesourcery.com>
	    Gerald Pfeifer  <gerald@pfeifer.com>

	* internal.h (HAVE_ICONV): Undefine if we do not have HAVE_ICONV_H
	as well.

2004-10-27  Zack Weinberg  <zack@codesourcery.com>

	PR 18075
	* directives.c (do_pragma): Do not defer pragmas which are unknown.
	(cpp_handle_deferred_pragma): Add cast to silence warning.

2004-10-14  Joseph S. Myers  <jsm@polyomino.org.uk>

	* errors.c (_cpp_begin_message): Print "error: " for errors.

2004-10-10  Andreas Jaeger  <aj@suse.de>

	* makedepend.c: Include mkdeps.h for prototype of deps_add_vpath.
	* Makefile.in (makedepend.o): Add dependency on mkdeps.h.

2004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>

	* pch.c (cpp_write_pch_state): Remove variable z as it is not
	used.
	(cpp_read_state): Remove unused variables, m, d and mac_count.

2004-09-29  Per Bothner  <per@bothner.com>

	* directives.c (cpp_handle_deferred_pragma):  Save, clear and restore
	cb.line_change.  Otherwise do_pragma will call the line_change
	call-back with a meaningless line number.

2004-09-24  Zack Weinberg  <zack@codesourcery.com>

	* configure.ac: Move AC_PROG_MAKE_SET, AC_PROG_INSTALL to
	programs cluster. Use ACX_PROG_CC_WARNING_OPTS,
	ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_PROG_CC_WARNINGS_ARE_ERRORS.
	* aclocal.m4, configure: Regenerate.
	* init.c: Include localedir.h.
	* Makefile.in (WARN_CFLAGS, ALL_CFLAGS): New variables.
	(DEFS): Delete.
	(.c.o): Use $(ALL_CFLAGS).
	(localedir.h, localedir.hs): New rules.
	(clean): Use rm -rf to remove directories.
	(distclean): Also delete localedir.h and localedir.hs.
	(init.o): Update dependencies.

2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>

	* Makefile.in (aclocal.m4): Update dependencies.
	* configure.ac (AC_CONFIG_MACRO_DIR): New.
	* aclocal.m4, configure: Regenerate.

2004-09-17  Zack Weinberg  <zack@codesourcery.com>

	* charset.c (_cpp_destroy_iconv, emit_numeric_escape)
	(_cpp_convert_input, _cpp_default_encoding): Add comments.
	Some other comments in this file also tweaked.

	* directives.c (do_pragma): Save current buffer position
	before lexing the pragma keywords; don't call
	_cpp_backup_tokens in the defer_pragmas case.

2004-09-15  Per Bothner  <per@bothner.com>

	* include/line-map.h (line_map_start):  Add parameter names so
	preceding comment makes sense.
	(linemap_add):  Remove from comment mention of non-existing parameter.

2004-09-09  Matt Austern  <austern@apple.com>
	    Zack Weinberg  <zack@codesourcery.com>

	* include/cpplib.h (TTYPE_TABLE): Remove CPP_ and SPELL_
	prefixes throughout.  Add entry for PRAGMA.  Remove
	unnecessary "= 0" from EQ.
	(enum cpp_ttype): Adjust OP and TK definitions to restore
	prefixes, via token-paste.
	(CPP_LAST_EQ, CPP_FIRST_DIGRAPH, CPP_LAST_PUNCTUATOR, CPP_LAST_CPP_OP):
	Change from #defines to additional cpp_ttype enumerators.
	(struct cpp_options): Add defer_pragmas.
	(cpp_handle_deferred_pragma): Prototype new interface.

	* internal.h (struct cpp_reader): Add directive_result.
	* directives.c (struct pragma_entry): Add is_internal field;
	give boolean fields type bool.
	(start_directive): Initialize pfile->directive_result.type.
	(_cpp_do__Pragma): Likewise.
	(run_directive): Do not crash if pfile->buffer->prev is NULL.
	(insert_pragma_entry): Add 'internal' argument; set new->is_internal
	from it.
	(register_pragma): New static function, bulk of former
	cpp_register_pragma here; add 'internal' argument, pass along
	to insert_pragma_entry.
	(cpp_register_pragma): Now a wrapper around register_pragma which
	always passes false for 'internal' argument.
	(_cpp_init_internal_pragmas): Call register_pragma directly, passing
	true for 'internal'.
	(do_pragma): If CPP_OPTION (pfile, defer_pragmas) and this isn't
	an internal pragma, save text till the end of the line as a CPP_PRAGMA
	token instead of executing the pragma.
	(cpp_handle_deferred_pragma): New interface.
	* lex.c (token_spellings): Adjust OP and TK definitions to
	match changes to cpplib.h.
	(_cpp_lex_token): Check for a directive-result token and
	return it if present.
	(cpp_token_val_index): Handle CPP_PRAGMA.
	* macro.c (cpp_builtin_macro_text): Correct comment.
	(builtin_macro): Handle directive-result tokens from _cpp_do__Pragma.

2004-09-06  Serge Belyshev  <belyshev@lubercy.com>

	PR preprocessor/14699
	* symtab.c (ht_dump_statistics): Change type of sum_of_squares
	from size_t to double.

2004-08-28  Andreas Schwab  <schwab@suse.de>
	    Andreas Jaeger <aj@suse.de>

	* configure.ac: Set PACKAGE correctly.
	* configure: Regenerated.

2004-08-25  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.in: Add back top_builddir.

2004-08-25  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac: Replace Automake macro invocations
	with manual Autoconf checks and substitutions.
	* configure: Regenerate.
	* aclocal.m4: Regenerate.
	* config.in: Regenerate.
	* Makefile.am: Removed.
	* Makefile.in: Heavy simplification and reorganization.

2004-08-09  Mark Mitchell  <mark@codesourcery.com>

	* configure.ac (arm*-*-eabi*): New target.
	(arm*-*-symbianelf*): Likewise.
	* configure: Regenerated.

2004-07-24  Bernardo Innocenti  <bernie@develer.com>

	* internal.h (xnew, xcnew, xnewvec, xcnewvec, xobnew): Remove.
	* directives.c: Use XNEW-family macros from libiberty.
	* lex.c: Likewise.
	* macro.c: Likewise.
	* cpplib.h (cpp_deps_style): Export enum with name.

2004-07-23  Matthias Klose  <doko@debian.org>

	* init.c (init_library): Use PACKAGE for the text domain.

2004-07-16  Andris Pavenis  <pavenis@latnet.lv>

	PR preprocessor/16366
	* internal.h (struct cpp_reader): New field dir_hash.
	* files.c (make_cpp_dir): Use dir_hash, not file_hash.
	(_cpp_init_files, _cpp_cleanup_files): Update for new field.

2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>

	PR preprocessor/16192
	PR preprocessor/15913
	PR preprocessor/15572
	* expr.c (_cpp_parse_expr): Handle remaining cases where an
	expression is missing.
	* init.c (post_options): Traditional cpp doesn't do // comments.

2004-06-30  Per Bothner  <per@bothner.com>

	* include/line-map.h (fileline):  Remove old typedef.
	* internal.h (struct cpp_reader):  Use source_location typedef instead.

2004-06-26  Zack Weinberg  <zack@codesourcery.com>

	Partially revert patch of 2004-06-05.
	* files.c (search_cache): Remove pfile argument.  Don't check
	for file that would be found by "" or <> search here...
	(_cpp_find_file): ...do it here, before calling find_file_in_dir.
	Do not apply directory-of-current-file correction to files
	found by this check.  Rearrange code slightly.

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.

2004-06-15  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.in: Regenerate with automake 1.8.5.
	* aclocal.m4: Likewise.
	* configure: Regenerate.

2004-06-11  Zack Weinberg  <zack@codesourcery.com>

	* configure.ac: Don't invoke ACX_HEADER_STDBOOL.
	* configure, config.in: Regenerate.
	* system.h: Unconditionally define bool as unsigned char,
	BOOL_BITFIELD as unsigned int.
	* .cvsignore: New file.

2004-06-09  Geoffrey Keating  <geoffk@apple.com>

	* traditional.c (push_replacement_text): Set macro->traditional.
	(save_replacement_text): Likewise.
	* pch.c (cpp_write_pch_state): Don't write list of defined macros.
	(struct save_macro_item): Delete.
	(struct save_macro_data): Use a character array not the previous
	structured format.
	(save_macros): Save macro as text not as internal structures.
	(cpp_prepare_state): Update for changes to save_macro_data.
	(cpp_read_state): Don't read macros defined in PCH.  Restore
	-D macros as text.
	* macro.c (create_iso_definition): Honour alloc_subobject.
	Clear traditional flag.
	(_cpp_create_definition): Honour alloc_subobject.
	* lex.c (cpp_token_val_index): New.
	* internal.h: Include cpp-id-data.h.
	(uchar): Move definition to cpp-id-data.h.
	(U): Likewise.
	(cpp_macro): Likewise.
	* directives.c (struct answer): Move to cpp-id-data.h.
	(do_assert): Honour alloc_subobject.

	* include/symtab.h (struct ht): Add field 'alloc_subobject'.
	* include/cpplib.h (struct cpp_string): Add GTY marker.
	(enum cpp_token_fld_kind): New.
	(struct cpp_token): Add GTY markers.
	(cpp_token_val_index): Prototype.
	(CPP_HASHNODE_VALUE_IDX): New.
	(struct cpp_hashnode): Don't skip fields of 'value' when marking.
	* include/cpp-id-data.h: New file.

2004-06-09  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.am (all-local): New.
	* Makefile.in: Regenerate.

2004-06-06  Roger Sayle  <roger@eyesopen.com>

	* Makefile.am (LIBICONV): Declare.
	(makedepend_LDADD): Use LIBICONV.
	* Makefile.in: Regenerate.

2004-06-05  Andrew Pinski  <pinskia@physics.uc.edu>

	* Makefile.am (LIBINTL): Declare
	(makedepend_LDADD): Use LIBINTL.
	* Makefile.in: Regenerate.

2004-06-05  Zack Weinberg  <zack@codesourcery.com>

	* Makefile.am: Add makedepend.
	* Makefile.in, aclocal.m4: Regenerate.
	* charset.c: Insert a space to avoid a warning.
	* directives.c: Include mkdeps.h.
	(_cpp_handle_directive): Reenable macro expander if appropriate.
	(undefine_macros): Inline body of _cpp_free_definition for speed.
	Do not call undef callback or _cpp_warn_if_unused_macro.
	(cpp_get_deps): New interface.
	* files.c (search_cache): Add pfile argument.  Check for file
	that would be found by "" or <> search here...
	(_cpp_find_file): ...not here.  Correct recorded start_dir of
	files found by directory-of-current-file search that would be
	found by "" or <> search.
	* init.c (cpp_add_dependency_target): Delete.
	* internal.h (struct lexer_state): Add discarding_output flag.
	* lex.c (lex_identifier): Compute hash function while scanning.
	* macro.c (cpp_scan_nooutput): Disable macro expansion outside
	directives.
	* makedepend.c: New file.
	* mkdeps.c (struct deps): Add vpath vector.
	(apply_vpath, deps_add_vpath): New function.
	(deps_free): Free vpath vector.
	(deps_add_dep, deps_add_target): Use apply_vpath.
	* symtab.c (calc_hash): Use HT_HASHSTEP and HT_FINISH.
	(ht_lookup_with_hash): New function.
	* cpplib.h, mkdeps.h: Update prototypes.
	* symtab.h: Update prototypes.
	(HT_HASHSTEP, HT_FINISH): New macros.

2004-05-29  Geoffrey Keating  <geoffk@apple.com>

	* symtab.c (ht_create): Set entries_owned.
	(ht_destroy): Honour entries_owned.
	(ht_expand): Likewise.
	(ht_load): New.
	* include/symtab.h (struct ht): New field 'entries_owned'
	(ht_load): New prototype.

2004-05-26  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/15651
	* configure.ac: Fix m4 quoting when picking
	the size of HOST_WIDE_INT.
	* configure: Regenerate.

2004-05-25  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.am: the correct directory for
	gettext include files is given by @INCINTL@.
	* Makefile.in: Regenerate.

2004-05-24  Paolo Bonzini  <bonzini@gnu.org>

	* system.h [!ENABLE_NLS]: dgettext takes two
	parameters.

2004-05-23  Paolo Bonzini  <bonzini@gnu.org>

	Moved libcpp from the gcc subdirectory to the toplevel.
	* Makefile.am: New file.
	* Makefile.in: Regenerate.
	* configure.ac: New file.
	* configure: Regenerate.
	* config.in: Regenerate.
	* charset.c: Moved from gcc/cppcharset.c.  Add note about
	brokenness of input charset detection.  Adjust for change
	in name of cppucnid.h.
	* errors.c: Moved from gcc/cpperror.c.  Do not include intl.h.
	* expr.c: Moved from gcc/cppexp.c.
	* files.c: Moved from gcc/cppfiles.c.  Do not include intl.h.
	Remove #define of O_BINARY, it is in system.h.
	* identifiers.c: Moved from gcc/cpphash.c.
	* internal.h: Moved from gcc/cpphash.h.  Change header
	guard name.  All other files adjusted to match name change.
	* init.c: Moved from gcc/cppinit.c.
	(init_library) [ENABLE_NLS]: Call bindtextdomain.
	* lex.c: Moved from gcc/cpplex.c.
	* directives.c: Moved from gcc/cpplib.c.
	* macro.c: Moved from gcc/cppmacro.c.
	* pch.c: Moved from gcc/cpppch.c.  Do not include intl.h.
	* traditional.c: Moved from gcc/cpptrad.c.
	* ucnid.h: Moved from gcc/cppucnid.h.  Change header
	guard name.
	* ucnid.pl: Moved from gcc/cppucnid.pl.
	* ucnid.tab: Moved from gcc/cppucnid.tab.  Change header
	guard name.
	* symtab.c: Moved from gcc/hashtable.c.
	* line-map.c: Moved from gcc.  Do not include intl.h.
	* mkdeps.c: Moved from gcc.
	* system.h: New file.
	* include/cpplib.h: Moved from gcc.  Change header guard name.
	* include/line-map.h: Moved from gcc.  Change header guard name.
	* include/mkdeps.h: Moved from gcc.  Change header guard name.
	* include/symtab.h: Moved from gcc/hashtable.h.  Change header
	guard name.