diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 20 | ||||
| -rw-r--r-- | gcc/c-lang.c | 1 | ||||
| -rw-r--r-- | gcc/cp/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/cp/decl2.c | 1 | ||||
| -rw-r--r-- | gcc/cppinit.c | 124 | ||||
| -rw-r--r-- | gcc/cpplib.h | 15 | ||||
| -rw-r--r-- | gcc/cppmain.c | 1 | ||||
| -rw-r--r-- | gcc/fix-header.c | 1 | ||||
| -rw-r--r-- | gcc/gcc.c | 2 | ||||
| -rw-r--r-- | gcc/objc/objc-act.c | 1 |
10 files changed, 105 insertions, 65 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2749261bebe..589a2b7719e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,23 @@ +2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lang.c (c_post_options): Call cpp_post_options. + * objc/objc-act.c (objc_post_options): Similarly. + * cppmain.c (main): Similarly. + * fix-header.c (read_scan_file): Similarly. + * cppinit.c (cpp_start_read): Move option consistency checks + to cpp_post_options. Don't call init_dependency_output. + If needed, add default target and main file dependency. + (OPT_MD, OPT_MMD): Remove. + (OPT_MF): New. + (cpp_handle_option): Update for OPT_* changes. + (cpp_post_options): New. + (init_dependency_output): Command line -MF overrides environment + variables. Don't set default target etc. Suppress output + if dependencies are going to stdout. + (print_help): Update. + * cpplib.h (cpp_post_options): New. + * gcc.c (cpp_options): Update for -MD, -MMD, -MF. + Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz> * jump.c (comparison_dominates_p): Support unordered compares. diff --git a/gcc/c-lang.c b/gcc/c-lang.c index 52f6015a49f..5b08679c5e1 100644 --- a/gcc/c-lang.c +++ b/gcc/c-lang.c @@ -47,6 +47,7 @@ struct lang_hooks lang_hooks = {c_post_options}; static void c_post_options () { + cpp_post_options (parse_in); } /* Each of the functions defined here diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index d7a7a3b1480..c0ca59daf3a 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,7 @@ +2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * cp/decl2.c (cxx_post_options): Call cpp_post_options. + 2001-01-05 Nathan Sidwell <nathan@codesourcery.com> * parse.y (template_datadef): Check for error_mark_node. diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c index 4daf5909d8b..bac8a6d4f24 100644 --- a/gcc/cp/decl2.c +++ b/gcc/cp/decl2.c @@ -551,6 +551,7 @@ struct lang_hooks lang_hooks = {cxx_post_options}; static void cxx_post_options () { + cpp_post_options (parse_in); } /* Compare two option strings, pointed two by P1 and P2, for use with diff --git a/gcc/cppinit.c b/gcc/cppinit.c index 38572258cb8..85a351ca3e4 100644 --- a/gcc/cppinit.c +++ b/gcc/cppinit.c @@ -867,25 +867,6 @@ cpp_start_read (pfile, fname) { struct pending_option *p, *q; - /* -MG doesn't select the form of output and must be specified with one of - -M or -MM. -MG doesn't make sense with -MD or -MMD since they don't - inhibit compilation. */ - if (CPP_OPTION (pfile, print_deps_missing_files) - && (CPP_OPTION (pfile, print_deps) == 0 - || !CPP_OPTION (pfile, no_output))) - { - cpp_fatal (pfile, "-MG must be specified with one of -M or -MM"); - return 0; - } - - /* -Wtraditional is not useful in C++ mode. */ - if (CPP_OPTION (pfile, cplusplus)) - CPP_OPTION (pfile, warn_traditional) = 0; - - /* Set this if it hasn't been set already. */ - if (CPP_OPTION (pfile, user_label_prefix) == NULL) - CPP_OPTION (pfile, user_label_prefix) = USER_LABEL_PREFIX; - /* Set up the include search path now. */ if (! CPP_OPTION (pfile, no_standard_includes)) init_standard_includes (pfile); @@ -906,8 +887,6 @@ cpp_start_read (pfile, fname) fprintf (stderr, _("End of search list.\n")); } - /* Open the main input file. This must be done early, so we have a - buffer to stand on. */ if (CPP_OPTION (pfile, in_fname) == NULL || *CPP_OPTION (pfile, in_fname) == 0) { @@ -918,11 +897,20 @@ cpp_start_read (pfile, fname) if (CPP_OPTION (pfile, out_fname) == NULL) CPP_OPTION (pfile, out_fname) = ""; + if (CPP_OPTION (pfile, print_deps)) + { + /* Set the default target (if there is none already). */ + deps_add_default_target (pfile->deps, CPP_OPTION (pfile, in_fname)); + + if (CPP_OPTION (pfile, in_fname)) + deps_add_dep (pfile->deps, CPP_OPTION (pfile, in_fname)); + } + + /* Open the main input file. This must be done early, so we have a + buffer to stand on. */ if (!_cpp_read_file (pfile, fname)) return 0; - init_dependency_output (pfile); - /* Install __LINE__, etc. */ init_builtins (pfile); @@ -1050,10 +1038,9 @@ new_pending_directive (pend, text, handler) DEF_OPT("H", 0, OPT_H) \ DEF_OPT("I", no_dir, OPT_I) \ DEF_OPT("M", 0, OPT_M) \ - DEF_OPT("MD", no_fil, OPT_MD) \ + DEF_OPT("MF", no_fil, OPT_MF) \ DEF_OPT("MG", 0, OPT_MG) \ DEF_OPT("MM", 0, OPT_MM) \ - DEF_OPT("MMD", no_fil, OPT_MMD) \ DEF_OPT("MP", 0, OPT_MP) \ DEF_OPT("MQ", no_tgt, OPT_MQ) \ DEF_OPT("MT", no_tgt, OPT_MT) \ @@ -1448,43 +1435,22 @@ cpp_handle_option (pfile, argc, argv) } } break; - /* The style of the choices here is a bit mixed. - The chosen scheme is a hybrid of keeping all options in one string - and specifying each option in a separate argument: - -M|-MM|-MD file|-MMD file [-MG]. An alternative is: - -M|-MM|-MD file|-MMD file|-MG|-MMG; or more concisely: - -M[M][G][D file]. This is awkward to handle in specs, and is not - as extensible. */ - /* ??? -MG must be specified in addition to one of -M or -MM. - This can be relaxed in the future without breaking anything. - The converse isn't true. */ - - /* -MG isn't valid with -MD or -MMD. This is checked for later. */ + case OPT_MG: CPP_OPTION (pfile, print_deps_missing_files) = 1; break; case OPT_M: - case OPT_MD: + CPP_OPTION (pfile, print_deps) = 2; + break; case OPT_MM: - case OPT_MMD: - if (opt_code == OPT_M || opt_code == OPT_MD) - CPP_OPTION (pfile, print_deps) = 2; - else - CPP_OPTION (pfile, print_deps) = 1; - - /* For -MD and -MMD, write deps on file named by next arg. */ - /* For -M and -MM, write deps on standard output and - suppress the usual output. */ - if (opt_code == OPT_MD || opt_code == OPT_MMD) - CPP_OPTION (pfile, deps_file) = arg; - else - CPP_OPTION (pfile, no_output) = 1; + CPP_OPTION (pfile, print_deps) = 1; break; - - case OPT_MP: + case OPT_MF: + CPP_OPTION (pfile, deps_file) = arg; + break; + case OPT_MP: CPP_OPTION (pfile, deps_phony_targets) = 1; break; - case OPT_MQ: case OPT_MT: /* Add a target. -MQ quotes for Make. */ @@ -1680,9 +1646,37 @@ cpp_handle_options (pfile, argc, argv) if (strings_processed == 0) break; } + return i; } +/* Extra processing when all options are parsed, after all calls to + cpp_handle_option[s]. Consistency checks etc. */ +void +cpp_post_options (pfile) + cpp_reader *pfile; +{ + /* -Wtraditional is not useful in C++ mode. */ + if (CPP_OPTION (pfile, cplusplus)) + CPP_OPTION (pfile, warn_traditional) = 0; + + /* Set this if it hasn't been set already. */ + if (CPP_OPTION (pfile, user_label_prefix) == NULL) + CPP_OPTION (pfile, user_label_prefix) = USER_LABEL_PREFIX; + + /* We need to do this after option processing and before + cpp_start_read, as cppmain.c relies on the options->no_output to + set its callbacks correctly before calling cpp_start_read. */ + init_dependency_output (pfile); + + /* -MG doesn't select the form of output and must be specified with + one of -M or -MM. -MG doesn't make sense unless preprocessed + output (and compilation) is inhibited. */ + if (CPP_OPTION (pfile, print_deps_missing_files) + && CPP_OPTION (pfile, print_deps) == 0) + cpp_fatal (pfile, "-MG must be specified with one of -M or -MM"); +} + /* Set up dependency-file output. */ static void init_dependency_output (pfile) @@ -1722,15 +1716,17 @@ init_dependency_output (pfile) else output_file = spec; - CPP_OPTION (pfile, deps_file) = output_file; + /* Command line overrides environment variables. */ + if (CPP_OPTION (pfile, deps_file) == 0) + CPP_OPTION (pfile, deps_file) = output_file; CPP_OPTION (pfile, print_deps_append) = 1; } - /* Set the default target (if there is none already). */ - deps_add_default_target (pfile->deps, CPP_OPTION (pfile, in_fname)); - - if (CPP_OPTION (pfile, in_fname)) - deps_add_dep (pfile->deps, CPP_OPTION (pfile, in_fname)); + /* If dependencies go to standard output, we need to suppress + output. The user may be requesting other stuff to stdout, with + -dM, -v etc. We let them shoot themselves in the foot. */ + if (CPP_OPTION (pfile, deps_file) == 0) + CPP_OPTION (pfile, no_output) = 1; } static void @@ -1799,9 +1795,13 @@ Switches:\n\ fputs (_("\ -M Generate make dependencies\n\ -MM As -M, but ignore system header files\n\ - -MD As -M, but put output in a .d file\n\ - -MMD As -MD, but ignore system header files\n\ + -MF <file> Write dependency output to the given file\n\ -MG Treat missing header file as generated files\n\ +"), stdout); + fputs (_("\ + -MP Generate phony targets for all headers\n\ + -MQ <target> Add a MAKE-quoted target\n\ + -MT <target> Add an unquoted target\n\ -g3 Include #define and #undef directives in the output\n\ "), stdout); fputs (_("\ diff --git a/gcc/cpplib.h b/gcc/cpplib.h index 7b53d0959c7..d5063b96c26 100644 --- a/gcc/cpplib.h +++ b/gcc/cpplib.h @@ -704,14 +704,25 @@ struct cpp_hashnode union tree_node *fe_value; /* Front end value. */ }; +/* Call this first to get a handle to pass to other functions. */ extern cpp_reader *cpp_create_reader PARAMS ((enum c_lang)); + +/* Now call cpp_handle_option[s] to handle 1[or more] switches. The + return value is the number of arguments used. If + cpp_handle_options returns without using all arguments, it couldn't + understand the next switch. When there are no switches left, you + must call cpp_post_options before calling cpp_start_read. Only + after cpp_post_options are the contents of the cpp_options + structure reliable. */ +extern int cpp_handle_options PARAMS ((cpp_reader *, int, char **)); +extern int cpp_handle_option PARAMS ((cpp_reader *, int, char **)); +extern void cpp_post_options PARAMS ((cpp_reader *)); + extern unsigned int cpp_token_len PARAMS ((const cpp_token *)); extern unsigned char *cpp_token_as_text PARAMS ((cpp_reader *, const cpp_token *)); extern unsigned char *cpp_spell_token PARAMS ((cpp_reader *, const cpp_token *, unsigned char *)); -extern int cpp_handle_options PARAMS ((cpp_reader *, int, char **)); -extern int cpp_handle_option PARAMS ((cpp_reader *, int, char **)); extern void cpp_register_pragma PARAMS ((cpp_reader *, const char *, const char *, void (*) PARAMS ((cpp_reader *)))); diff --git a/gcc/cppmain.c b/gcc/cppmain.c index 6fa158d284d..81fdac9ada3 100644 --- a/gcc/cppmain.c +++ b/gcc/cppmain.c @@ -79,6 +79,7 @@ main (argc, argv) argi += cpp_handle_options (pfile, argc - argi , argv + argi); if (argi < argc && ! CPP_FATAL_ERRORS (pfile)) cpp_fatal (pfile, "Invalid option %s", argv[argi]); + cpp_post_options (pfile); if (CPP_FATAL_ERRORS (pfile)) return (FATAL_EXIT_CODE); diff --git a/gcc/fix-header.c b/gcc/fix-header.c index 28cfe870974..05485592d5f 100644 --- a/gcc/fix-header.c +++ b/gcc/fix-header.c @@ -629,6 +629,7 @@ read_scan_file (in_fname, argc, argv) i = cpp_handle_options (scan_in, argc, argv); if (i < argc && ! CPP_FATAL_ERRORS (scan_in)) cpp_fatal (scan_in, "Invalid option `%s'", argv[i]); + cpp_post_options (pfile); if (CPP_FATAL_ERRORS (scan_in)) exit (FATAL_EXIT_CODE); diff --git a/gcc/gcc.c b/gcc/gcc.c index 9d73608fa5a..7a3c3640a46 100644 --- a/gcc/gcc.c +++ b/gcc/gcc.c @@ -586,7 +586,7 @@ static const char *cpp_options = "%{C:%{!E:%eGNU C does not support -C without using -E}}\ %{std*} %{nostdinc*}\ %{C} %{v} %{I*} %{P} %{$} %I\ - %{M} %{MM} %{MD:-MD %b.d} %{MMD:-MMD %b.d} %{MG} %{MP} %{MQ} %{MT}\ + %{M} %{MM} %{MD:-M -MF %b.d} %{MMD:-MM -MF %b.d} %{MF} %{MG} %{MP} %{MQ} %{MT}\ %{!no-gcc:-D__GNUC__=%v1 -D__GNUC_MINOR__=%v2 -D__GNUC_PATCHLEVEL__=%v3}\ %{!undef:%{!ansi:%{!std=*:%p}%{std=gnu*:%p}} %P} %{trigraphs}\ %c %{Os:-D__OPTIMIZE_SIZE__} %{O*:%{!O0:-D__OPTIMIZE__}}\ diff --git a/gcc/objc/objc-act.c b/gcc/objc/objc-act.c index 06b0e8cbcf3..e2daab1651c 100644 --- a/gcc/objc/objc-act.c +++ b/gcc/objc/objc-act.c @@ -634,6 +634,7 @@ struct lang_hooks lang_hooks = {objc_post_options}; static void objc_post_options () { + cpp_post_options (parse_in); } /* Some platforms pass small structures through registers versus through |
