ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
* Makefile.def (host_modules): add libcpp.
* Makefile.tpl: Add dependencies on and for libcpp.
* Makefile.in: Regenerate.
* configure.in: Add libcpp host module.
* configure: Regenerate.
config/ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
* acx.m4 (ACX_HEADER_STDBOOL, ACX_HEADER_STRING):
From gcc.
gcc/ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
Move libcpp to the toplevel.
* Makefile.in: Remove references to libcpp files,
use CPPLIBS instead of libcpp.a. Define SYMTAB_H
and change hashtable.h to that.
* aclocal.m4 (gcc_AC_HEADER_STDBOOL,
gcc_AC_HEADER_STRING, gcc_AC_C__BOOL): Remove.
* configure.ac (gcc_AC_C__BOOL, HAVE_UCHAR): Remove tests.
* configure: Regenerate.
* config.in: Regenerate.
* c-ppoutput.c: Include ../libcpp/internal.h instead of cpphash.h.
* cppcharset.c: Removed.
* cpperror.c: Removed.
* cppexp.c: Removed.
* cppfiles.c: Removed.
* cpphash.c: Removed.
* cpphash.h: Removed.
* cppinit.c: Removed.
* cpplex.c: Removed.
* cpplib.c: Removed.
* cpplib.h: Removed.
* cppmacro.c: Removed.
* cpppch.c: Removed.
* cpptrad.c: Removed.
* cppucnid.h: Removed.
* cppucnid.pl: Removed.
* cppucnid.tab: Removed.
* hashtable.c: Removed.
* hashtable.h: Removed.
* line-map.c: Removed.
* line-map.h: Removed.
* mkdeps.c: Removed.
* mkdeps.h: Removed.
* stringpool.h: Include symtab.h instead of hashtable.h.
* tree.h: Include symtab.h instead of hashtable.h.
* system.h (O_NONBLOCK, O_NOCTTY): Do not define.
gcc/cp/ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
* Make-lang.in: No need to specify $(LIBCPP).
gcc/java/ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
* Make-lang.in: Link in $(LIBCPP) instead of mkdeps.o.
libcpp/ChangeLog:
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.
libcpp/include/ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
* cpplib.h: Moved from gcc. Change header guard name.
* line-map.h: Moved from gcc. Change header guard name.
* mkdeps.h: Moved from gcc. Change header guard name.
* symtab.h: Moved from gcc/hashtable.h. Change header
guard name.
libcpp/po/ChangeLog:
2004-05-23 Paolo Bonzini <bonzini@gnu.org>
* be.po: Extracted from gcc/po/be.po.
* ca.po: Extracted from gcc/po/ca.po.
* da.po: Extracted from gcc/po/da.po.
* de.po: Extracted from gcc/po/de.po.
* el.po: Extracted from gcc/po/el.po.
* es.po: Extracted from gcc/po/es.po.
* fr.po: Extracted from gcc/po/fr.po.
* ja.po: Extracted from gcc/po/ja.po.
* nl.po: Extracted from gcc/po/nl.po.
* sv.po: Extracted from gcc/po/sv.po.
* tr.po: Extracted from gcc/po/tr.po.
From-SVN: r82199
* line-map.h (struct line_maps): New field highest_line.
(linemap_position_for_column): Make non-inline function.
(LINEMAP_POSITION_FOR_COLUMN): New macro.
* line-map.c (linemap_init): Clear highest_line field.
(linemap_add): Set highest_line field.
(linemap_line_start): Minor optimization - use highest_line field.
Reduce maximum column hint to 10000. Update highest_line field.
(linemap_position_for_column): Moved from line-map.h. Optimize a bit.
* cpphash.h (struct cpp_reader): Remove line field - instead use
line_table->highest_line.
(saved_line): Remove unused field.
(CPP_INCREMENT_FILE): Don't do linemap_lookup - just use newest map.
Use line_table's highest_line field instead of cpp_reader's line.
* cpplib.c (start_directive): Likewise use highest_line field.
(do_line, do_linemarker): Likewise just use newest map.
(_cpp_do_file_change): Don't need to set cpp_reader's line field.
* cpperror.c (cpp_error): Likewise use highest_line field.
* cppfiles.c (open_file_failed: Likewise.
(cpp_make_system_header): Likewise use newest map and highest_line.
* cppinit.c (cpp_create_reader): Don't initialize removed field.
* cpplex.c (_cpp_process_line_notes, _cpp_skip_block_comment,
skip_line_comment, skip_whitespace, _cpp_get_fresh_line,
_cpp_lex_direct): Likewise use highest_line.
(_cpp_lex_direct): Use new LINEMAP_POSITION_FOR_COLUMN macro.
* cppmacro.c (_cpp_builtin_macro_text): Likewise use highest_line,
and use newest map.
* cpppch.c (cpp_read_state): Don't save+restore cpp_reader's line.
* cpptrad.c (_cpp_overlay_buffer): Don't save cpp_reader's line.
(copy_comment, _cpp_scan_out_logical_line): Likewise use highest_line.
From-SVN: r81074
The "next available source_location" is now managed internally by
line-maps.c rather than by clients.
* line-map.h (struct line_map): New field column_bits.
<from_line>: Rename field to start_location.
(struct line_maps): New fields highest_location and max_column_hint.
(linemap_check_files_exited): New declaration.
(linemap_line_start): New declaration.
(linemap_add): Remove from_line parameter; use highest_location field.
(SOURCE_LINE, LAST_SOURCE_LINE): Modify to use column_bits.
(SOURCE_COLUMN, LAST_SOURCE_LINE_LOCATION): New macros.
(CURRENT_LINE_MAP): Remove macro.
(linemap_position_for_column): New inline function.
* line-map.c (linemap_init): Clear new fields.
(linemap_check_files_exited): New function, extracted from ...
(linemap_free): Use linemap_check_files_exited.
(linemap_add): Remove from_line parameter. Various updates.
(linemap_line_start): New function.
(linemap_lookeup): Update for new field names.
* cpphash.h (struct cpp_reader) <map>: Field removed. Because
linemap_position_for_column may unpredictably change the current map,
it is cleaner and simpler for us to not cache it in cpp_reader.
(struct cpp_buffer): New sysp field.
Changed warned_cplusplus_comments and from_stage3 to bitfields.
* cppinit.c (cpp_read_min_file): pfile->map no longer exists.
* cpplib.c (do_line, do_linemarker, _cpp_do_file_change): Get
current map using linemap_lookup.
(do_linemarker): Also set buffer's sysp field.
(destringize_and_run): No longer need to decrement current line.
* cppfiles.c (_cpp_stack_file): Set sysp from and in buffer.
(search_path_head, open_file_failed): Use buffer's sysp.
(cpp_make_system_header): Get current map using linemap_lookup.
Also set buffer's sysp flag.
* cppmacro.c (_cpp_builtin_macro_text): Likewise use linemap_lookup.
* cpphash.h (CPP_INCREMENT_LINE): New macro.
(struct cpp_buffer): Moved fields saved_cur, saved_rlimit to ...
(struct cpp_reader): ... and adding saved_line_base field.
* cpptrad.c (_cpp_overlay_buffer, _cpp_remove_overlay):
Update accordingly. Don't adjust line.
(_cpp_scan_out_logical_line): Use CPP_INCREMENT_LINE.
* cpphash.c (CPP_IN_SYSTEM_HEADER): Replaced macro by ...
(cpp_in_system_header): ... new inline function, using buffer's sysp.
* cpperror.c (_cpp_begin_message): Update to use cpp_in_system_header.
* cpplex.c (_cpp_lex_direct): Likewise.
* cppmacro.c (_cpp_builtin_macro_text): Likewise.
* cppmacro.c (_cpp_create_definition): Use buffer's sysp field.
* cpplib.h (struct cpp_token): Rename line field to src_loc.
Remove col field as it is now subsumed by src_loc.
* cpperror.c: Update various field, parameter, and macro names.
(print_location): If col==0, try SOURCE_COLUMN of line.
(cpp_error): Use cur_token's src_loc field, rather than line+col.
* cpplib.c (do_diagnostic): Token's src_loc fields replaces line+col.
* cpplex.c (_cpp_process_line_notes, _cpp_lex_direct,
_cpp_skip_block_comment): Use CPP_INCREMENT_LINE.
(_cpp_temp_token): Replace cpp_token's line+col fields by src_loc.
(_cpp_get_fresh_line): Don't need to adjust line for missing newline.
(_cpp_lex_direct): Use linemap_position_for_column.
* c-ppoutput.c (maybe_print_line, print_line): Don't take map
parameter. Instead get it from the line_table global. Adjust callers.
(print): Remove map field. Replace line field to src_line.
(init_pp_output, account_for_newlines, maybe_print_line): Adjust.
(cb_line_change): Use SOURCE_COLUMN. Minor optimizations.
(pp_file_change): Use MAIN_FILE_P since we cannot checked print.map.
Use LAST_SOURCE_LINE_LOCATION to "catch up" after #include.
* cpptrad.c (copy_comment): Rename variable.
* c-lex.c (map): Remove static variable, for same reason we removed
cpp_reader's map field.
(cb_line_change, cb_def_pragma, cb_define, cb_undef): Hence we need
to call linemap_lookup.
(cb_line_change): Token's line field replaced by src_loc.
(fe_file_change): Use MAINFILE_P and LAST_SOURCE_LINE macros.
Don't save new_map.
* cpphash.h, cpperror.c, cpplib.h: Some renames of fileline to
source_location.
From-SVN: r77663
* c-ppoutput.c (pp_dir_change): New function.
* c-common.h (pp_dir_change): New declaration.
* cpplib.h (struct cpp_options): Remove working_directory field.
* cppinit.c (cpp_find_main_file, cpp_push_main_file): Merge back to
(cpp_read_main_file): as before 10-01. Call _cpp_stack_file.
Don't handle -fworking_directory here, but in c_common_post_options.
(read_original_directory): Don't back up when done.
Don't clear no-longer used working_directory flag.
* cpplib.h: Update declarations to match.
* c-lex.c (cb_dir_change): Move to c-opts.c.
(init_c_lex): Don't set dir_change callback here, since we want
to set it even if flag_preprocess_only.
* c-opts.c (cb_dir_change): Function moved from c-lex.c.
(c_common_post_options): Set dir_change callback.
Call pp_dir_change if approporiate.
(finish_options): Don't call cpp_find_main_file here. Hence remove
unneeded parameter and result. Do LC_RENAME for <built-in>.
(c_common_post_options): Call cpp_read_main_file here instead.
(c_common_init): Update accordingly.
(push_command_line_include): Don't cpp_push_main_file.
Do LC_RENAME rather than LC_LEASE to get back to main file.
Compared to pre-10-01 version, inline cpp_rename_to_main_file.
(c_common_parse_file): Call cpp_read_main_file for subsequent main
files, but call finish_options for all files.
* c-opts.c (sanitize_cpp_opts): Don't set cpp_opts->working_directory.
* fix-header.c (read_scan_file): Call cpp_read_main_file instead of
cpp_find_main_file + cpp_push_main_file.
* c-lex.c (fe_file_change): Don't set main_input_filename here.
* opts.c (handle_options): Only set main_input_filename first time.
From-SVN: r77303
* cppinit.c (cpp_read_main_file): Split into two functions:
Distribute _cpp_stack_file call over the two functions.
(cpp_find_main_file): New function.
Don't call _cpp_do_file_change even if working_directory flag set.
(cpp_push_main_file): New function.
* cppfiles.c (_cpp_find_failed): New helper function.
(find_file): Made non-static and renamed to _cpp_find_file.
(_cpp_stack_file): No longer needed. But note the following.
(stack_file): Made non-static and renamed to _cpp_stack_file.
* fix-header.c (cpp_read_main_file): Replace cpp_read_main_file
call with calls to cpp_find_main_file and cpp_push_main_file.
(search_path_head): If there is no current buffer, use main_file.
* cpphash.h: Update function declarations.
* cpplib.h: Update function declarations.
From-SVN: r72014
* cppinit.c (cpp_read_main_file): Split out source-independent
initialization to separate function ...
(cpp_post_options): New function.
* cppfiles.c (cpp_stack_file): Rename public name to ...
(_cpp_stack_file): New internal function name.
* cpplib.h: Update accordingly.
* cppinit.c: (cpp_create_reader): Initialize cpp_readers line here.
(cpp_read_main_file): Don't initialize line here.
* c-opts.c (c_common_post_options): Call cpp_post_options.
(c_common_parse_file): Call cpp_read_main_file, not cpp_stack_file.
* fix-header.c (read_scan_file): Call cpp_post_options.
From-SVN: r70279
* 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
* cpplib.h (CPP_AT_NAME, CPP_OBJC_STRING): New token types.
(struct cpp_options): Add narrow_charset, wide_charset,
bytes_big_endian fields. Remove EBCDIC field.
(cpp_init_iconv, cpp_interpret_string): New external interfaces.
* cpphash.h: Include <iconv.h> if we have it, otherwise
provide a dummy definition of iconv_t.
(struct cpp_reader): Add narrow_cset_desc and wide_cset_desc fields.
(_cpp_valid_ucn): Update prototype.
(_cpp_destroy_iconv): New prototype.
* doc/cpp.texi: Document character set handling.
* doc/cppopts.texi: Document -fexec-charset= and -fexec-wide-charset=.
* doc/extend.texi: Delete entire section on multiline strings.
Rewrite section on __FUNCTION__ etc now that these are
variables in C.
* cppucnid.tab, cppucnid.pl: New files.
* cppucnid.h: New generated file.
* cppcharset.c: Include cppucnid.h. Lots of commentary added.
(iconv_open, iconv, iconv_close): Provide dummy definitions
if !HAVE_ICONV.
(SOURCE_CHARSET, struct strbuf, init_iconv_desc, cpp_init_iconv,
_cpp_destroy_iconv, convert_cset, width_to_mask, convert_ucn,
emit_numeric_escape, convert_hex, convert_oct, convert_escape,
cpp_interpret_string, narrow_str_to_charconst,
wide_str_to_charconst): New.
(ucn_valid_in_identifier): Use a binary search through the
ucnranges table defined in cppucnid.h, not a long chain of if
statements.
(_cpp_valid_ucn): Add a limit pointer. Downgrade "universal
character names are only valid in C++ and C99" to a warning.
Issue the "meaning of \[uU] is different in traditional C"
warning here. Take care not to let iconv see an invalid UCS
value if we get a malformed UCN. Issue an error if we don't
have iconv.
(cpp_interpret_charconst): Moved here from cpplex.c. Use
cpp_interpret_string to do the heavy lifting.
* cppinit.c (cpp_create_reader): Initialize bytes_big_endian,
narrow_charset, wide_charset fields of options structure.
(cpp_destroy): Call _cpp_destroy_iconv.
* cpplex.c (forms_identifier_p): Adjust call to _cpp_valid_ucn.
(maybe_read_ucn, hex_digit_value, cpp_parse_escape): Delete.
(cpp_interpret_charconst): Moved to cppcharset.c.
* cpplib.c (dequote_string): Delete.
(interpret_string_notranslate): New.
(do_line, do_linemarker): Use interpret_string_notranslate.
* Makefile.in (cppcharset.o): Depend on cppucnid.h.
* c-common.c (fname_string, combine_strings): Delete.
* c-common.h (fname_string, combine_strings): Delete prototypes.
* c-lex.c (ignore_escape_flag): Delete.
(cb_ident): Use cpp_interpret_string, not lex_string.
(get_nonpadding_token): New function.
(c_lex): Handle Objective-C @-prefixed identifiers and strings here.
Adjust calls to lex_string. Don't write *value twice.
(lex_string): Now handles string constant concatenation.
Most of the work handed off to cpp_interpret_string.
Call fix_string_type here.
* c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): Replace with
FUNC_NAME, throughout.
(OBJC_STRING): New token type.
(primary:STRING): No need to call fix_string_type here.
(primary:objc_string): Make that OBJC_STRING.
(objc_string nonterminal): Delete.
(yylexname): Delete code to handle fake string constants.
(yylexstring): Delete entirely.
(_yylex): Handle CPP_AT_NAME and CPP_OBJC_STRING. No need
to handle CPP_ATSIGN.
* c.opt (-fexec-charset=, -fwide-exec-charset=): New options.
* c-opts.c (missing_arg, c_common_handle_option): Handle
OPT_fexec_charset_ and OPT_fwide_exec_charset_.
(c_common_init): Set cpp_opts->bytes_big_endian, not
cpp_opts->EBCDIC. Call cpp_init_iconv.
(print_help): Document -fexec-charset= and -fexec-wide-charset=.
(TARGET_EBCDIC): Delete default definition.
* objc/objc-act.c (build_objc_string_object): No need to
handle string constant concatenation.
cp:
* parser.c (cp_lexer_read_token): No need to handle string
constant concatenation.
testsuite:
* gcc.c-torture/execute/wchar_t-1.x: New file; XFAIL wchar_t-1.c
everywhere.
* gcc.dg/concat.c: Concatenation of string constants with
__FUNCTION__ / __PRETTY_FUNCTION__ is now a hard error.
* gcc.dg/wtr-strcat-1.c: Loosen dg-warning regexp.
* gcc.dg/cpp/escape-2.c: Use wide character constants where
necessary to avoid multi-character character constant warning.
* gcc.dg/cpp/escape.c: Likewise.
* gcc.dg/cpp/ucs.c: Likewise.
Remove backslashes from dg-bogus comments, as they confuse Tcl.
Fix a typo.
libstdc++-v3:
* testsuite/22_locale/collate/compare/wchar_t/2.cc
* testsuite/22_locale/collate/compare/wchar_t/wrapped_env.cc
* testsuite/22_locale/collate/compare/wchar_t/wrapped_locale.cc
* testsuite/22_locale/collate/hash/wchar_t/2.cc
* testsuite/22_locale/collate/hash/wchar_t/wrapped_env.cc
* testsuite/22_locale/collate/hash/wchar_t/wrapped_locale.cc
* testsuite/22_locale/collate/transform/wchar_t/2.cc
* testsuite/22_locale/collate/transform/wchar_t/wrapped_env.cc
* testsuite/22_locale/collate/transform/wchar_t/wrapped_locale.cc:
XFAIL on all targets.
From-SVN: r68952
* cppfiles.c, cpphash.c, cppinit.c, cpplex.c, cpplib.c
* cppmacro.c, cpppch.c, cpptrad.c, cppspec.c: Convert to
ISO C: new-style function declarations, no need for PARAMS,
no special punctuation on indirect function calls, use string
constant concatenation where convenient.
From-SVN: r68070
e.g. __REGISTER_PREFIX__.
* cpphash.h (struct cpp_reader): Move member warn_dollars...
* cpplib.h (struct cpp_options): ...to here. Change type to
unsigned char.
* cppinit.c (cpp_create_reader): Set it to 1 here.
(post_options): Don't set it here.
* c-opts.c (c_common_init_options): Reset it to 0 here.
(finish_options): Set it here.
* cpplex.c (forms_identifier_p): Tweak for new location of
warn_dollars.
From-SVN: r67824
* cppinit.c (cpp_create_reader): Take extra hash_table* argument,
and pass that to _cpp_init_hashtable.
(cpp_read_main_file): Drop hash_table* argument; don't call
_cpp_init_hashtable.
* cpplib.h: Update declarations to match.
* c-opts.c (c_common_init_options): Pass ident_hash to
cpp_create_reader.
(c_common_post_options): Don't pass ident_hash to cpp_read_main_file.
* fix-header.c (read_scan_file): Likewise pass NULL table to
cpp_create_reader rather than cpp_read_main_file.
* cppfiles.c (cpp_rename_file): Generalized and renamed
to cpp_change_file.
* cpplib.h: Update declaration to match.
* c-opts.c (push_command_line_line, finish_options): Change
cpp_rename_file calls to cpp_change_file.
From-SVN: r64617
* Makefile.in (PREPROCESSOR_DEFINES): Add
@TARGET_SYSTEM_ROOT_DEFINE@.
* configure.in (PREFIX_INCLUDE_DIR): Don't define if $with_sysroot
is specified or if building a cross compiler.
(TARGET_SYSTEM_ROOT_DEFINE): Add TARGET_SYSTEM_ROOT_RELOCATABLE
if the sysroot is under $exec_prefix.
* configure: Regenerated.
* cppdefault.h: Use native include paths if TARGET_SYSTEM_ROOT is
defined.
(struct default_include): Add add_sysroot field.
(cpp_SYSROOT): Declare.
* cppdefault.c (cpp_include_defaults): Fill in add_sysroot
field.
(cpp_SYSROOT): New variable.
* cppinit.c (cpp_create_reader): Initialize
CPP_OPTION (pfile, sysroot).
(init_standard_includes): Handle add_sysroot. Do not
add unrelocated copies of relocated directories.
(COMMAND_LINE_OPTIONS): Add -isysroot.
(cpp_handle_option): Handle -isysroot.
* cpplib.h (struct cpp_options): Add sysroot member.
* gcc.c (The Specs Language): Update description of %I.
(target_system_root_changed): New variable.
(process_command): Conditionalize make_relative_prefix call
on !VMS and TARGET_SYSTEM_ROOT_RELOCATABLE. Set
target_system_root_changed.
(do_spec_1): Add -isysroot to %I.
* doc/invoke.texi (Spec Files): Update description of %I.
* doc/install.texi (--with-sysroot): Update comment about
relocation.
From-SVN: r62853
* cpplib.h (struct cpp_options): Add warn_deprecated field.
* cppinit.c (cpp_create_reader): Turn it on by default.
* c-opts.c (c_common_decode_option): Set it.
* cpplib.c (do_pragma_once): Only complain about #pragma once
if warn_deprecated is set.
From-SVN: r62005
* cppinit.c (remove_dup_dir): Add head_ptr argument to handle removal
at head.
(remove_dup_nonsys_dirs): New function.
(remove_dup_dirs): Change argument head to head_ptr. Remove warnings.
(merge_include_chains): Remove non-system include directories from
quote and bracket include chains when they duplicate equivalent system
directories.
* doc/cpp.texi (-I): Update.
* doc/cppopts.texi (-I): Update.
* doc/install.texi (--with-local-prefix): Further document usage of
this option.
* doc/invoke.texi (-I): Update.
From-SVN: r56468
