* gcc.c (option_map): Add --sysroot.
(process_command): Handle --sysroot.
(display_help): Document it.
* doc/cppopts.tex (-isysroot): Document.
* doc/invoke.texi (--sysroot): Document.
* doc/install.texi (--with-build-sysroot): Document.
* Makefile.in (inhibit_libc): New variable.
(INHIBIT_LIBC_CFLAGS): Likewise.
(LIBGCC2_CFLAGS): Include
$(INHIBIT_LIBC_CFLAGS).
(CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
($(T)crtbegin.o): Do not use @inhibit_libc@.
($(T)crtend.o): Likewise.
($(T)crtbeginS.o): Do not use @inhibit_libc@.
($(T)crtendS.o): Likewise.
($(T)crtbeginT.o): Do not use @inhibit_libc@.
($(T)crtendT.o): Likewise.
(stmp-fixinc): Do not complain about missing headers if
inhibit_libc.
* configure.ac (inhibit_libc): Set it to true/false.
(--with-build-sysroot): New option. Use it to set
SYSTEM_HEADER_DIR.
* configure: Regenerated.
From-SVN: r102367
* doc/md.texi (Expander Definitions): Use @emph instead of @strong
around Note: text to workaround a limitation of the Info format.
* doc/cpp.texi (Invocation): Likewise.
* doc/cppopts.texi: Likewise.
From-SVN: r92411
* doc/cpp.texi: Don't document what we do for ill-formed expressions.
* doc/cppopts.texi: Clarify processing of command-line defines.
libcpp:
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.
testsuite:
* gcc.dg/cpp/if-mop.c: Two new testcases.
* gcc.dg/cpp/trad/comment-3.c: New.
From-SVN: r84080
2003-12-29 Phil Edwards <phil@codesourcery.com>
* doc/cppopts.texi: Use of -idirafter, -iprefix, -iwithprefix, and
-iwithprefixbefore is not discouraged.
From-SVN: r75196
* 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
* doc/cppopts.texi (-undef): Fix texinfo warning.
* doc/cppopts.texi (-H): Document that -H works for PCH files too.
* cppfiles.c (validate_pch): When -H is used, print some information
about PCH files found.
From-SVN: r66894
* 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
* Makefile.in (c-opts.o): Update
* c-opts.c: Include intl.h.
(print_help): Move from cppinit.c. Remove unused options.
(COMMAND_LINE_OPTIONS): Move more from cppinit.c.
(missing_arg): Complain for switches without an argument.
(c_common_decode_option): Reject missing joined arguments.
Handle new switches from cppinit.c.
* cppinit.c (COMMAND_LINE_OPTIONS): Move some switches to c-opts.c.
(cpp_handle_option): Similarly.
(print_help): Moved to c-opts.c.
* cpplib.h (struct cpp_options): Remove help_only.
* gcc.c (cpp_unique_options): Remove -$.
* doc/cppopts.texi: Undocument -h.
From-SVN: r56155
* cppinit.c (cpp_handle_option): Suppress warnings with an
implicit "-w" for "-M" and "-MM".
doc:
* cppopts.texi: Update.
testsuite:
* gcc.dg/cpp/cmdlne-M.c: New test.
From-SVN: r55185
PR preprocessor/6521
* cppfiles.c (handle_missing_header): Don't do anything
different for <> includes.
doc:
* cppopts.texi: Update documentation for -MG.
Co-Authored-By: Neil Booth <neil@daikokuya.demon.co.uk>
From-SVN: r53304
* cppinit.c (cpp_create_reader): Initialize
discard_comments_in_macro_exp.
(COMMAND_LINE_OPTIONS): Add "-CC" option.
(cpp_handle_option): Handle "-CC" option.
* cpplex.c (save_comment): If saving a C++ comment in
a directive, convert it to a C comment.
(_cpp_lex_direct): Pass second comment start character to
save_comment to indicate comment type.
* cpplib.c (_cpp_handle_directive): If processing
a "#define" directive and discard_comments_in_macro_exp
is false, re-enable saving of comments.
(lex_macro_node): If discard_comments_in_macro_exp is false,
discard any comments before the macro identifier.
* cpplib.h (struct cpp_options): Add discard_comments_in_macro_exp
member.
* cppmacro.c (cpp_get_token): If expanding a macro while
processing a directive, discard any comments we might encounter.
(parse_params): If discard_comments_in_macro_exp is false,
ignore comments in the macro parameter list.
* gcc.c (cpp_unique_options): Add "-CC" option.
(option_map): Map "--comments-in-macros" to "-CC".
* doc/cppopts.texi: Document "-CC" option.
* f/lang-specs.h: Add "-CC" option.
* testsuite/gcc.dg/cpp/maccom1.c: New test.
* testsuite/gcc.dg/cpp/maccom2.c: New test.
* testsuite/gcc.dg/cpp/maccom3.c: New test.
* testsuite/gcc.dg/cpp/maccom4.c: New test.
* testsuite/gcc.dg/cpp/maccom5.c: New test.
* testsuite/gcc.dg/cpp/maccom6.c: New test.
From-SVN: r51975
* doc/cpp.texi: Exclude entire Top node from printed manual.
Move option index after directive index. Insert page breaks
before GFDL and concept index. Index environment variables
with command line options.
* doc/cppenv.texi: Use @vtable for environment variable list.
Add paragraph explaining semantics of empty elements in path
variables. Exclude a cross-reference to Fishkill from the
manpage. Remove an unnecessary cross-reference of the entry
right above the referer. Don't use @anchor in text that goes
into manpage.
* doc/cppopts.texi: Cross-reference the environment variables
section, not the specific environment variable, for consistency.
From-SVN: r51365
2002-03-22 Phil Edwards <pme@gcc.gnu.org>
* cpplib.h (struct cpp_options): New member, warn_endif_labels.
* cppinit.c (cpp_create_reader): On by default.
(cpp_handle_option): Handle -W[no-]endif-labels.
(cpp_post_options): Also enable if -pedantic.
* cpplib.c (do_else): Use it.
(do_endif): Likewise.
* doc/cppopts.texi: Document new option.
* doc/invoke.texi: Document new option.
From-SVN: r51190
* Makefile.in: Update.
doc:
* cppenv.texi, cppopts.texi: Split out of cpp.texi and gcc.texi.
Update documentation.
* gcc.texi: Include cppopts.texi and cppenv.texi.
* cpp.texi: Include cppopts.texi and cppenv.texi.
From-SVN: r50599
