X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fgcc.c;h=d3066b95e73f22a25a72aa285544a23b8400e87a;hb=10c0611466c6e2c29a7c300cdd22ed4be0217e32;hp=c01f2bd6e298fa2e842ddecdb9f5b1a15ad1e3c4;hpb=3ef1ba3917bead4c73c81ced985a2bf07f16a242;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/gcc.c b/gcc/gcc.c index c01f2bd6e29..d3066b95e73 100644 --- a/gcc/gcc.c +++ b/gcc/gcc.c @@ -1,5 +1,6 @@ /* Compiler driver program that can handle many languages. - Copyright (C) 1987, 89, 92-98, 1999 Free Software Foundation, Inc. + Copyright (C) 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, + 1999, 2000 Free Software Foundation, Inc. This file is part of GNU CC. @@ -30,19 +31,26 @@ and deleting the temporary files at the end. CC recognizes how to compile each input file by suffixes in the file names. Once it knows which kind of compilation to perform, the procedure for compilation is specified by a string called a "spec". */ - + #include "config.h" #include "system.h" #include - #include "obstack.h" #include "intl.h" #include "prefix.h" +#include "gcc.h" #ifdef VMS #define exit __posix_exit #endif +#ifdef HAVE_SYS_RESOURCE_H +#include +#endif +#if defined (HAVE_DECL_GETRUSAGE) && !HAVE_DECL_GETRUSAGE +extern int getrusage PARAMS ((int, struct rusage *)); +#endif + /* By default there is no special suffix for executables. */ #ifdef EXECUTABLE_SUFFIX #define HAVE_EXECUTABLE_SUFFIX @@ -57,24 +65,15 @@ compilation is specified by a string called a "spec". */ #define OBJECT_SUFFIX ".o" #endif -/* By default, colon separates directories in a path. */ -#ifndef PATH_SEPARATOR -#define PATH_SEPARATOR ':' -#endif - -#ifndef DIR_SEPARATOR -#define DIR_SEPARATOR '/' -#endif - -/* Define IS_DIR_SEPARATOR. */ -#ifndef DIR_SEPARATOR_2 -# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) -#else /* DIR_SEPARATOR_2 */ -# define IS_DIR_SEPARATOR(ch) \ - (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) -#endif /* DIR_SEPARATOR_2 */ +#ifndef VMS +/* FIXME: the location independence code for VMS is hairier than this, + and hasn't been written. */ +#ifndef DIR_UP +#define DIR_UP ".." +#endif /* DIR_UP */ +#endif /* VMS */ -static char dir_separator_str[] = {DIR_SEPARATOR, 0}; +static char dir_separator_str[] = { DIR_SEPARATOR, 0 }; #define obstack_chunk_alloc xmalloc #define obstack_chunk_free free @@ -83,6 +82,11 @@ static char dir_separator_str[] = {DIR_SEPARATOR, 0}; #define GET_ENV_PATH_LIST(VAR,NAME) do { (VAR) = getenv (NAME); } while (0) #endif +/* Most every one is fine with LIBRARY_PATH. For some, it conflicts. */ +#ifndef LIBRARY_PATH_ENV +#define LIBRARY_PATH_ENV "LIBRARY_PATH" +#endif + #ifndef HAVE_KILL #define kill(p,s) raise(s) #endif @@ -92,6 +96,13 @@ static char dir_separator_str[] = {DIR_SEPARATOR, 0}; #define MIN_FATAL_STATUS 1 +/* Flag saying to pass the greatest exit code returned by a sub-process + to the calling program. */ +static int pass_exit_codes; + +/* Definition of string containing the arguments given to configure. */ +#include "configargs.h" + /* Flag saying to print the directories gcc will search through looking for programs, libraries, etc. */ @@ -125,6 +136,15 @@ static int print_help_list; static int verbose_flag; +/* Flag indicating to print target specific command line options. */ + +static int target_help_flag; + +/* Flag indicating whether we should report subprocess execution times + (if this is supported by the system - see pexecute.c). */ + +static int report_times; + /* Nonzero means write "temp" files in source directory and use the source file's name in them, and don't delete them. */ @@ -132,11 +152,11 @@ static int save_temps_flag; /* The compiler version. */ -static char *compiler_version; +static const char *compiler_version; /* The target version specified with -V */ -static char *spec_version = DEFAULT_TARGET_VERSION; +static const char *spec_version = DEFAULT_TARGET_VERSION; /* The target machine specified with -b. */ @@ -146,15 +166,34 @@ static const char *spec_machine = DEFAULT_TARGET_MACHINE; When -b is used, the value comes from the `specs' file. */ #ifdef CROSS_COMPILE -static char *cross_compile = "1"; +static const char *cross_compile = "1"; #else -static char *cross_compile = "0"; +static const char *cross_compile = "0"; #endif +#ifdef MODIFY_TARGET_NAME + +/* Information on how to alter the target name based on a command-line + switch. The only case we support now is simply appending or deleting a + string to or from the end of the first part of the configuration name. */ + +struct modify_target +{ + const char *sw; + enum add_del {ADD, DELETE} add_del; + const char *str; +} +modify_target[] = MODIFY_TARGET_NAME; +#endif + /* The number of errors that have occurred; the link phase will not be run if this is non-zero. */ static int error_count = 0; +/* Greatest exit code of sub-processes that has been encountered up to + now. */ +static int greatest_status = 1; + /* This is the obstack which we use to allocate many strings. */ static struct obstack obstack; @@ -166,72 +205,69 @@ static struct obstack obstack; static struct obstack collect_obstack; -extern char *version_string; +/* These structs are used to collect resource usage information for + subprocesses. */ +#ifdef HAVE_GETRUSAGE +static struct rusage rus, prus; +#endif /* Forward declaration for prototypes. */ struct path_prefix; -static void init_spec PROTO((void)); -static void read_specs PROTO((const char *, int)); -static void set_spec PROTO((const char *, const char *)); -static struct compiler *lookup_compiler PROTO((const char *, size_t, const char *)); -static char *build_search_list PROTO((struct path_prefix *, const char *, int)); -static void putenv_from_prefixes PROTO((struct path_prefix *, const char *)); -static int access_check PROTO((const char *, int)); -static char *find_a_file PROTO((struct path_prefix *, const char *, int)); -static void add_prefix PROTO((struct path_prefix *, const char *, - const char *, int, int, int *)); -static char *skip_whitespace PROTO((char *)); -static void record_temp_file PROTO((const char *, int, int)); -static void delete_if_ordinary PROTO((const char *)); -static void delete_temp_files PROTO((void)); -static void delete_failure_queue PROTO((void)); -static void clear_failure_queue PROTO((void)); -static int check_live_switch PROTO((int, int)); -static const char *handle_braces PROTO((const char *)); -static char *save_string PROTO((const char *, int)); -extern int do_spec PROTO((const char *)); -static int do_spec_1 PROTO((const char *, int, const char *)); -static const char *find_file PROTO((const char *)); -static int is_directory PROTO((const char *, const char *, int)); -static void validate_switches PROTO((const char *)); -static void validate_all_switches PROTO((void)); -static void give_switch PROTO((int, int, int)); -static int used_arg PROTO((const char *, int)); -static int default_arg PROTO((const char *, int)); -static void set_multilib_dir PROTO((void)); -static void print_multilib_info PROTO((void)); -static void pfatal_with_name PROTO((const char *)) ATTRIBUTE_NORETURN; -static void perror_with_name PROTO((const char *)); -static void pfatal_pexecute PROTO((const char *, const char *)) +static void init_spec PARAMS ((void)); +#ifndef VMS +static char **split_directories PARAMS ((const char *, int *)); +static void free_split_directories PARAMS ((char **)); +static char *make_relative_prefix PARAMS ((const char *, const char *, const char *)); +#endif /* VMS */ +static void store_arg PARAMS ((const char *, int, int)); +static char *load_specs PARAMS ((const char *)); +static void read_specs PARAMS ((const char *, int)); +static void set_spec PARAMS ((const char *, const char *)); +static struct compiler *lookup_compiler PARAMS ((const char *, size_t, const char *)); +static char *build_search_list PARAMS ((struct path_prefix *, const char *, int)); +static void putenv_from_prefixes PARAMS ((struct path_prefix *, const char *)); +static int access_check PARAMS ((const char *, int)); +static char *find_a_file PARAMS ((struct path_prefix *, const char *, int)); +static void add_prefix PARAMS ((struct path_prefix *, const char *, + const char *, int, int, int *)); +static void translate_options PARAMS ((int *, const char *const **)); +static char *skip_whitespace PARAMS ((char *)); +static void record_temp_file PARAMS ((const char *, int, int)); +static void delete_if_ordinary PARAMS ((const char *)); +static void delete_temp_files PARAMS ((void)); +static void delete_failure_queue PARAMS ((void)); +static void clear_failure_queue PARAMS ((void)); +static int check_live_switch PARAMS ((int, int)); +static const char *handle_braces PARAMS ((const char *)); +static char *save_string PARAMS ((const char *, int)); +static int do_spec_1 PARAMS ((const char *, int, const char *)); +static const char *find_file PARAMS ((const char *)); +static int is_directory PARAMS ((const char *, const char *, int)); +static void validate_switches PARAMS ((const char *)); +static void validate_all_switches PARAMS ((void)); +static void give_switch PARAMS ((int, int, int)); +static int used_arg PARAMS ((const char *, int)); +static int default_arg PARAMS ((const char *, int)); +static void set_multilib_dir PARAMS ((void)); +static void print_multilib_info PARAMS ((void)); +static void pfatal_with_name PARAMS ((const char *)) ATTRIBUTE_NORETURN; +static void perror_with_name PARAMS ((const char *)); +static void pfatal_pexecute PARAMS ((const char *, const char *)) ATTRIBUTE_NORETURN; -static void fatal PVPROTO((const char *, ...)) - ATTRIBUTE_PRINTF_1 ATTRIBUTE_NORETURN; -static void error PVPROTO((const char *, ...)) +static void error PARAMS ((const char *, ...)) ATTRIBUTE_PRINTF_1; -static void notice PVPROTO((const char *, ...)) +static void notice PARAMS ((const char *, ...)) ATTRIBUTE_PRINTF_1; -static void display_help PROTO((void)); -static void add_preprocessor_option PROTO ((const char *, int)); -static void add_assembler_option PROTO ((const char *, int)); -static void add_linker_option PROTO ((const char *, int)); -static void process_command PROTO ((int, char **)); -static int execute PROTO ((void)); -static void unused_prefix_warnings PROTO ((struct path_prefix *)); -static void clear_args PROTO ((void)); -static void fatal_error PROTO ((int)); - -void fancy_abort PROTO((void)) ATTRIBUTE_NORETURN; - -/* Called before processing to change/add/remove arguments. */ -extern void lang_specific_driver PROTO ((void (*) PVPROTO((const char *, ...)), - int *, char ***, int *)); - -/* Called before linking. Returns 0 on success and -1 on failure. */ -extern int lang_specific_pre_link (); - -/* Number of extra output files that lang_specific_pre_link may generate. */ -extern int lang_specific_extra_outfiles; +static void display_help PARAMS ((void)); +static void add_preprocessor_option PARAMS ((const char *, int)); +static void add_assembler_option PARAMS ((const char *, int)); +static void add_linker_option PARAMS ((const char *, int)); +static void process_command PARAMS ((int, const char *const *)); +static int execute PARAMS ((void)); +static void clear_args PARAMS ((void)); +static void fatal_error PARAMS ((int)); +static void set_input PARAMS ((const char *)); /* Specs are strings containing lines, each of which (if not blank) is made up of a program name, and arguments separated by spaces. @@ -251,6 +287,7 @@ or with constant text in a single argument. %b substitute the basename of the input file being processed. This is the substring up to (and not including) the last period and not including the directory. + %B same as %b, but include the file suffix (text after the last period). %gSUFFIX substitute a file name that has suffix SUFFIX and is chosen once per compilation, and mark the argument a la %d. To reduce @@ -258,11 +295,11 @@ or with constant text in a single argument. chosen in a way that is hard to predict even when previously chosen file names are known. For example, `%g.s ... %g.o ... %g.s' might turn into `ccUVUUAU.s ccXYAXZ12.o ccUVUUAU.s'. SUFFIX matches - the regexp "[.A-Za-z]*" or the special string "%O", which is - treated exactly as if %O had been pre-processed. Previously, %g - was simply substituted with a file name chosen once per compilation, - without regard to any appended suffix (which was therefore treated - just like ordinary text), making such attacks more likely to succeed. + the regexp "[.A-Za-z]*%O"; "%O" is treated exactly as if it + had been pre-processed. Previously, %g was simply substituted + with a file name chosen once per compilation, without regard + to any appended suffix (which was therefore treated just like + ordinary text), making such attacks more likely to succeed. %uSUFFIX like %g, but generates a new temporary file name even if %uSUFFIX was already seen. @@ -275,6 +312,12 @@ or with constant text in a single argument. for each `%g.s' and another for each `%U.s'. Previously, %U was simply substituted with a file name chosen for the previous %u, without regard to any appended suffix. + %jSUFFIX + substitutes the name of the HOST_BIT_BUCKET, if any, and if it is + writable, and if save-temps is off; otherwise, substitute the name + of a temporary file, just like %u. This temporary file is not + meant for communication between processes, but rather as a junk + disposal mechanism. %d marks the argument containing or following the %d as a temporary file name, so that that file will be deleted if CC exits successfully. Unlike %g, this contributes no text to the argument. @@ -292,12 +335,13 @@ or with constant text in a single argument. at all, but they are included among the output files, so they will be linked. %O substitutes the suffix for object files. Note that this is - handled specially when it immediately follows %g, %u, or %U, - because of the need for those to form complete file names. The - handling is such that %O is treated exactly as if it had already - been substituted, except that %g, %u, and %U do not currently - support additional SUFFIX characters following %O as they would - following, for example, `.o'. + handled specially when it immediately follows %g, %u, or %U + (with or without a suffix argument) because of the need for + those to form complete file names. The handling is such that + %O is treated exactly as if it had already been substituted, + except that %g, %u, and %U do not currently support additional + SUFFIX characters following %O as they would following, for + example, `.o'. %p substitutes the standard macro predefinitions for the current target machine. Use this when running cpp. %P like %p, but puts `__' before and after the name of each macro. @@ -314,9 +358,11 @@ or with constant text in a single argument. %Y Output the accumulated assembler options specified by compilations. %Z Output the accumulated preprocessor options specified by compilations. %v1 Substitute the major version number of GCC. - (For version 2.5.n, this is 2.) + (For version 2.5.3, this is 2.) %v2 Substitute the minor version number of GCC. - (For version 2.5.n, this is 5.) + (For version 2.5.3, this is 5.) + %v3 Substitute the patch level number of GCC. + (For version 2.5.3, this is 3.) %a process ASM_SPEC as a spec. This allows config.h to specify part of the spec for running as. %A process ASM_FINAL_SPEC as a spec. A capital A is actually @@ -350,6 +396,10 @@ or with constant text in a single argument. specified to CC. Note that the tail part of the -S option (i.e. the part matched by the `*') will be substituted for each occurrence of %* within X. + %{= arglen && !strncmp (argv[i], option_map[k].name, arglen)) { @@ -945,7 +933,7 @@ translate_options (argcp, argvp) break; } - if (k != sizeof (option_map) / sizeof (option_map[0])) + if (k != ARRAY_SIZE (option_map)) break; } @@ -957,7 +945,7 @@ translate_options (argcp, argvp) /* If this mapping requires extra text at end of name, accept that as "argument". */ - else if (index (arginfo, '*') != 0) + else if (strchr (arginfo, '*') != 0) arg = argv[i] + optlen; /* Otherwise, extra text at end means mismatch. @@ -966,14 +954,14 @@ translate_options (argcp, argvp) continue; } - else if (index (arginfo, '*') != 0) + else if (strchr (arginfo, '*') != 0) { error ("Incomplete `%s' option", option_map[j].name); break; } /* Handle arguments. */ - if (index (arginfo, 'a') != 0) + if (strchr (arginfo, 'a') != 0) { if (arg == 0) { @@ -987,9 +975,9 @@ translate_options (argcp, argvp) arg = argv[++i]; } } - else if (index (arginfo, '*') != 0) + else if (strchr (arginfo, '*') != 0) ; - else if (index (arginfo, 'o') == 0) + else if (strchr (arginfo, 'o') == 0) { if (arg != 0) error ("Extraneous argument to `%s' option", @@ -998,7 +986,7 @@ translate_options (argcp, argvp) } /* Store the translation as one argv elt or as two. */ - if (arg != 0 && index (arginfo, 'j') != 0) + if (arg != 0 && strchr (arginfo, 'j') != 0) newv[newindex++] = concat (option_map[j].equivalent, arg, NULL_PTR); else if (arg != 0) @@ -1056,26 +1044,6 @@ translate_options (argcp, argvp) *argcp = newindex; } -char * -xstrerror(e) - int e; -{ -#ifdef HAVE_STRERROR - - return strerror(e); - -#else - - if (!e) - return "errno = 0"; - - if (e > 0 && e < sys_nerr) - return sys_errlist[e]; - - return "errno = ?"; -#endif -} - static char * skip_whitespace (p) char *p; @@ -1090,7 +1058,8 @@ skip_whitespace (p) p++; else if (*p == '#') { - while (*p != '\n') p++; + while (*p != '\n') + p++; p++; } else @@ -1099,6 +1068,104 @@ skip_whitespace (p) return p; } +/* Structures to keep track of prefixes to try when looking for files. */ + +struct prefix_list +{ + char *prefix; /* String to prepend to the path. */ + struct prefix_list *next; /* Next in linked list. */ + int require_machine_suffix; /* Don't use without machine_suffix. */ + /* 2 means try both machine_suffix and just_machine_suffix. */ + int *used_flag_ptr; /* 1 if a file was found with this prefix. */ + int priority; /* Sort key - priority within list */ +}; + +struct path_prefix +{ + struct prefix_list *plist; /* List of prefixes to try */ + int max_len; /* Max length of a prefix in PLIST */ + const char *name; /* Name of this list (used in config stuff) */ +}; + +/* List of prefixes to try when looking for executables. */ + +static struct path_prefix exec_prefixes = { 0, 0, "exec" }; + +/* List of prefixes to try when looking for startup (crt0) files. */ + +static struct path_prefix startfile_prefixes = { 0, 0, "startfile" }; + +/* List of prefixes to try when looking for include files. */ + +static struct path_prefix include_prefixes = { 0, 0, "include" }; + +/* Suffix to attach to directories searched for commands. + This looks like `MACHINE/VERSION/'. */ + +static const char *machine_suffix = 0; + +/* Suffix to attach to directories searched for commands. + This is just `MACHINE/'. */ + +static const char *just_machine_suffix = 0; + +/* Adjusted value of GCC_EXEC_PREFIX envvar. */ + +static const char *gcc_exec_prefix; + +/* Default prefixes to attach to command names. */ + +#ifdef CROSS_COMPILE /* Don't use these prefixes for a cross compiler. */ +#undef MD_EXEC_PREFIX +#undef MD_STARTFILE_PREFIX +#undef MD_STARTFILE_PREFIX_1 +#endif + +/* If no prefixes defined, use the null string, which will disable them. */ +#ifndef MD_EXEC_PREFIX +#define MD_EXEC_PREFIX "" +#endif +#ifndef MD_STARTFILE_PREFIX +#define MD_STARTFILE_PREFIX "" +#endif +#ifndef MD_STARTFILE_PREFIX_1 +#define MD_STARTFILE_PREFIX_1 "" +#endif + +/* Supply defaults for the standard prefixes. */ + +#ifndef STANDARD_EXEC_PREFIX +#define STANDARD_EXEC_PREFIX "/usr/local/lib/gcc-lib/" +#endif +#ifndef STANDARD_STARTFILE_PREFIX +#define STANDARD_STARTFILE_PREFIX "/usr/local/lib/" +#endif +#ifndef TOOLDIR_BASE_PREFIX +#define TOOLDIR_BASE_PREFIX "/usr/local/" +#endif +#ifndef STANDARD_BINDIR_PREFIX +#define STANDARD_BINDIR_PREFIX "/usr/local/bin" +#endif + +static const char *standard_exec_prefix = STANDARD_EXEC_PREFIX; +static const char *standard_exec_prefix_1 = "/usr/lib/gcc/"; +static const char *md_exec_prefix = MD_EXEC_PREFIX; + +static const char *md_startfile_prefix = MD_STARTFILE_PREFIX; +static const char *md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1; +static const char *standard_startfile_prefix = STANDARD_STARTFILE_PREFIX; +static const char *standard_startfile_prefix_1 = "/lib/"; +static const char *standard_startfile_prefix_2 = "/usr/lib/"; + +static const char *tooldir_base_prefix = TOOLDIR_BASE_PREFIX; +static const char *tooldir_prefix; + +static const char *standard_bindir_prefix = STANDARD_BINDIR_PREFIX; + +/* Subdirectory to use for locating libraries. Set by + set_multilib_dir based on the compilation options. */ + +static const char *multilib_dir; /* Structure to keep track of the specs that have been defined so far. These are accessed using %(specname) or %[specname] in a compiler @@ -1108,26 +1175,32 @@ struct spec_list { /* The following 2 fields must be first */ /* to allow EXTRA_SPECS to be initialized */ - char *name; /* name of the spec. */ - char *ptr; /* available ptr if no static pointer */ + const char *name; /* name of the spec. */ + const char *ptr; /* available ptr if no static pointer */ /* The following fields are not initialized */ /* by EXTRA_SPECS */ - char **ptr_spec; /* pointer to the spec itself. */ + const char **ptr_spec; /* pointer to the spec itself. */ struct spec_list *next; /* Next spec in linked list. */ int name_len; /* length of the name */ int alloc_p; /* whether string was allocated */ }; #define INIT_STATIC_SPEC(NAME,PTR) \ -{ NAME, NULL_PTR, PTR, (struct spec_list *)0, sizeof (NAME)-1, 0 } +{ NAME, NULL_PTR, PTR, (struct spec_list *) 0, sizeof (NAME) - 1, 0 } -/* List of statically defined specs */ -static struct spec_list static_specs[] = { +/* List of statically defined specs. */ +static struct spec_list static_specs[] = +{ INIT_STATIC_SPEC ("asm", &asm_spec), INIT_STATIC_SPEC ("asm_final", &asm_final_spec), + INIT_STATIC_SPEC ("asm_options", &asm_options), + INIT_STATIC_SPEC ("invoke_as", &invoke_as), INIT_STATIC_SPEC ("cpp", &cpp_spec), + INIT_STATIC_SPEC ("cpp_options", &cpp_options), + INIT_STATIC_SPEC ("trad_capable_cpp", &trad_capable_cpp), INIT_STATIC_SPEC ("cc1", &cc1_spec), + INIT_STATIC_SPEC ("cc1_options", &cc1_options), INIT_STATIC_SPEC ("cc1plus", &cc1plus_spec), INIT_STATIC_SPEC ("endfile", &endfile_spec), INIT_STATIC_SPEC ("link", &link_spec), @@ -1143,50 +1216,51 @@ static struct spec_list static_specs[] = { INIT_STATIC_SPEC ("multilib_defaults", &multilib_defaults), INIT_STATIC_SPEC ("multilib_extra", &multilib_extra), INIT_STATIC_SPEC ("multilib_matches", &multilib_matches), + INIT_STATIC_SPEC ("multilib_exclusions", &multilib_exclusions), INIT_STATIC_SPEC ("linker", &linker_name_spec), + INIT_STATIC_SPEC ("link_libgcc", &link_libgcc_spec), + INIT_STATIC_SPEC ("md_exec_prefix", &md_exec_prefix), + INIT_STATIC_SPEC ("md_startfile_prefix", &md_startfile_prefix), + INIT_STATIC_SPEC ("md_startfile_prefix_1", &md_startfile_prefix_1), }; #ifdef EXTRA_SPECS /* additional specs needed */ /* Structure to keep track of just the first two args of a spec_list. - That is all that the EXTRA_SPECS macro gives us. */ + That is all that the EXTRA_SPECS macro gives us. */ struct spec_list_1 { - char *name; - char *ptr; + const char *name; + const char *ptr; }; static struct spec_list_1 extra_specs_1[] = { EXTRA_SPECS }; -static struct spec_list * extra_specs = (struct spec_list *)0; +static struct spec_list *extra_specs = (struct spec_list *) 0; #endif /* List of dynamically allocates specs that have been defined so far. */ -static struct spec_list *specs = (struct spec_list *)0; - +static struct spec_list *specs = (struct spec_list *) 0; /* Initialize the specs lookup routines. */ static void init_spec () { - struct spec_list *next = (struct spec_list *)0; - struct spec_list *sl = (struct spec_list *)0; + struct spec_list *next = (struct spec_list *) 0; + struct spec_list *sl = (struct spec_list *) 0; int i; if (specs) - return; /* already initialized */ + return; /* Already initialized. */ if (verbose_flag) notice ("Using builtin specs.\n"); #ifdef EXTRA_SPECS extra_specs = (struct spec_list *) - xmalloc (sizeof(struct spec_list) * - (sizeof(extra_specs_1)/sizeof(extra_specs_1[0]))); - bzero ((PTR) extra_specs, sizeof(struct spec_list) * - (sizeof(extra_specs_1)/sizeof(extra_specs_1[0]))); - - for (i = (sizeof(extra_specs_1) / sizeof(extra_specs_1[0])) - 1; i >= 0; i--) + xcalloc (sizeof (struct spec_list), ARRAY_SIZE (extra_specs_1)); + + for (i = ARRAY_SIZE (extra_specs_1) - 1; i >= 0; i--) { sl = &extra_specs[i]; sl->name = extra_specs_1[i].name; @@ -1198,7 +1272,7 @@ init_spec () } #endif - for (i = (sizeof (static_specs) / sizeof (static_specs[0])) - 1; i >= 0; i--) + for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) { sl = &static_specs[i]; sl->next = next; @@ -1207,7 +1281,6 @@ init_spec () specs = sl; } - /* Change the value of spec NAME to SPEC. If SPEC is empty, then the spec is removed; If the spec starts with a + then SPEC is added to the end of the @@ -1219,16 +1292,15 @@ set_spec (name, spec) const char *spec; { struct spec_list *sl; - char *old_spec; + const char *old_spec; int name_len = strlen (name); int i; - /* If this is the first call, initialize the statically allocated specs */ + /* If this is the first call, initialize the statically allocated specs. */ if (!specs) { - struct spec_list *next = (struct spec_list *)0; - for (i = (sizeof (static_specs) / sizeof (static_specs[0])) - 1; - i >= 0; i--) + struct spec_list *next = (struct spec_list *) 0; + for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--) { sl = &static_specs[i]; sl->next = next; @@ -1237,16 +1309,16 @@ set_spec (name, spec) specs = sl; } - /* See if the spec already exists */ + /* See if the spec already exists. */ for (sl = specs; sl; sl = sl->next) if (name_len == sl->name_len && !strcmp (sl->name, name)) break; if (!sl) { - /* Not found - make it */ + /* Not found - make it. */ sl = (struct spec_list *) xmalloc (sizeof (struct spec_list)); - sl->name = save_string (name, strlen (name)); + sl->name = xstrdup (name); sl->name_len = name_len; sl->ptr_spec = &sl->ptr; sl->alloc_p = 0; @@ -1258,16 +1330,16 @@ set_spec (name, spec) old_spec = *(sl->ptr_spec); *(sl->ptr_spec) = ((spec[0] == '+' && ISSPACE ((unsigned char)spec[1])) ? concat (old_spec, spec + 1, NULL_PTR) - : save_string (spec, strlen (spec))); + : xstrdup (spec)); #ifdef DEBUG_SPECS if (verbose_flag) notice ("Setting spec %s to '%s'\n\n", name, *(sl->ptr_spec)); #endif - /* Free the old spec */ + /* Free the old spec. */ if (old_spec && sl->alloc_p) - free (old_spec); + free ((PTR) old_spec); sl->alloc_p = 1; } @@ -1276,7 +1348,7 @@ set_spec (name, spec) /* Vector of pointers to arguments in the current line of specifications. */ -static char **argbuf; +static const char **argbuf; /* Number of elements allocated in argbuf. */ @@ -1286,15 +1358,9 @@ static int argbuf_length; static int argbuf_index; -/* We want this on by default all the time now. */ -#define MKTEMP_EACH_FILE - -#ifdef MKTEMP_EACH_FILE - -extern char *make_temp_file PROTO((const char *)); - -/* This is the list of suffixes and codes (%g/%u/%U) and the associated - temp file. */ +/* This is the list of suffixes and codes (%g/%u/%U/%j) and the associated + temp file. If the HOST_BIT_BUCKET is used for %j, no entry is made for + it here. */ static struct temp_name { const char *suffix; /* suffix associated with the code. */ @@ -1304,8 +1370,6 @@ static struct temp_name { int filename_length; /* strlen (filename). */ struct temp_name *next; } *temp_names; -#endif - /* Number of commands executed so far. */ @@ -1319,93 +1383,6 @@ static int signal_count; static const char *programname; -/* Structures to keep track of prefixes to try when looking for files. */ - -struct prefix_list -{ - char *prefix; /* String to prepend to the path. */ - struct prefix_list *next; /* Next in linked list. */ - int require_machine_suffix; /* Don't use without machine_suffix. */ - /* 2 means try both machine_suffix and just_machine_suffix. */ - int *used_flag_ptr; /* 1 if a file was found with this prefix. */ -}; - -struct path_prefix -{ - struct prefix_list *plist; /* List of prefixes to try */ - int max_len; /* Max length of a prefix in PLIST */ - const char *name; /* Name of this list (used in config stuff) */ -}; - -/* List of prefixes to try when looking for executables. */ - -static struct path_prefix exec_prefixes = { 0, 0, "exec" }; - -/* List of prefixes to try when looking for startup (crt0) files. */ - -static struct path_prefix startfile_prefixes = { 0, 0, "startfile" }; - -/* List of prefixes to try when looking for include files. */ - -static struct path_prefix include_prefixes = { 0, 0, "include" }; - -/* Suffix to attach to directories searched for commands. - This looks like `MACHINE/VERSION/'. */ - -static const char *machine_suffix = 0; - -/* Suffix to attach to directories searched for commands. - This is just `MACHINE/'. */ - -static const char *just_machine_suffix = 0; - -/* Adjusted value of GCC_EXEC_PREFIX envvar. */ - -static const char *gcc_exec_prefix; - -/* Default prefixes to attach to command names. */ - -#ifdef CROSS_COMPILE /* Don't use these prefixes for a cross compiler. */ -#undef MD_EXEC_PREFIX -#undef MD_STARTFILE_PREFIX -#undef MD_STARTFILE_PREFIX_1 -#endif - -#ifndef STANDARD_EXEC_PREFIX -#define STANDARD_EXEC_PREFIX "/usr/local/lib/gcc-lib/" -#endif /* !defined STANDARD_EXEC_PREFIX */ - -static const char *standard_exec_prefix = STANDARD_EXEC_PREFIX; -static const char *standard_exec_prefix_1 = "/usr/lib/gcc/"; -#ifdef MD_EXEC_PREFIX -static const char *md_exec_prefix = MD_EXEC_PREFIX; -#endif - -#ifndef STANDARD_STARTFILE_PREFIX -#define STANDARD_STARTFILE_PREFIX "/usr/local/lib/" -#endif /* !defined STANDARD_STARTFILE_PREFIX */ - -#ifdef MD_STARTFILE_PREFIX -static const char *md_startfile_prefix = MD_STARTFILE_PREFIX; -#endif -#ifdef MD_STARTFILE_PREFIX_1 -static const char *md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1; -#endif -static const char *standard_startfile_prefix = STANDARD_STARTFILE_PREFIX; -static const char *standard_startfile_prefix_1 = "/lib/"; -static const char *standard_startfile_prefix_2 = "/usr/lib/"; - -#ifndef TOOLDIR_BASE_PREFIX -#define TOOLDIR_BASE_PREFIX "/usr/local/" -#endif -static const char *tooldir_base_prefix = TOOLDIR_BASE_PREFIX; -static const char *tooldir_prefix; - -/* Subdirectory to use for locating libraries. Set by - set_multilib_dir based on the compilation options. */ - -static const char *multilib_dir; - /* Clear out the vector of arguments (after a command is executed). */ static void @@ -1423,12 +1400,13 @@ clear_args () static void store_arg (arg, delete_always, delete_failure) - char *arg; + const char *arg; int delete_always, delete_failure; { if (argbuf_index + 1 == argbuf_length) argbuf - = (char **) xrealloc (argbuf, (argbuf_length *= 2) * sizeof (char *)); + = (const char **) xrealloc (argbuf, + (argbuf_length *= 2) * sizeof (const char *)); argbuf[argbuf_index++] = arg; argbuf[argbuf_index] = 0; @@ -1437,27 +1415,21 @@ store_arg (arg, delete_always, delete_failure) record_temp_file (arg, delete_always, delete_failure); } -/* Read compilation specs from a file named FILENAME, - replacing the default ones. +/* Load specs from a file name named FILENAME, replacing occurances of + various different types of line-endings, \r\n, \n\r and just \r, with + a single \n. */ - A suffix which starts with `*' is a definition for - one of the machine-specific sub-specs. The "suffix" should be - *asm, *cc1, *cpp, *link, *startfile, *signed_char, etc. - The corresponding spec is stored in asm_spec, etc., - rather than in the `compilers' vector. - - Anything invalid in the file is a fatal error. */ - -static void -read_specs (filename, main_p) +static char * +load_specs (filename) const char *filename; - int main_p; { int desc; int readlen; struct stat statbuf; char *buffer; - register char *p; + char *buffer_p; + char *specs; + char *specs_p; if (verbose_flag) notice ("Reading specs from %s\n", filename); @@ -1477,6 +1449,51 @@ read_specs (filename, main_p) buffer[readlen] = 0; close (desc); + specs = xmalloc (readlen + 1); + specs_p = specs; + for (buffer_p = buffer; buffer_p && *buffer_p; buffer_p++) + { + int skip = 0; + char c = *buffer_p; + if (c == '\r') + { + if (buffer_p > buffer && *(buffer_p - 1) == '\n') /* \n\r */ + skip = 1; + else if (*(buffer_p + 1) == '\n') /* \r\n */ + skip = 1; + else /* \r */ + c = '\n'; + } + if (! skip) + *specs_p++ = c; + } + *specs_p = '\0'; + + free (buffer); + return (specs); +} + +/* Read compilation specs from a file named FILENAME, + replacing the default ones. + + A suffix which starts with `*' is a definition for + one of the machine-specific sub-specs. The "suffix" should be + *asm, *cc1, *cpp, *link, *startfile, *signed_char, etc. + The corresponding spec is stored in asm_spec, etc., + rather than in the `compilers' vector. + + Anything invalid in the file is a fatal error. */ + +static void +read_specs (filename, main_p) + const char *filename; + int main_p; +{ + char *buffer; + register char *p; + + buffer = load_specs (filename); + /* Scan BUFFER for specs, putting them in the vector. */ p = buffer; while (1) @@ -1499,9 +1516,10 @@ read_specs (filename, main_p) while (*p && *p != '\n') p++; - p++; /* Skip '\n' */ + /* Skip '\n'. */ + p++; - if (!strncmp (p1, "%include", sizeof ("%include")-1) + if (!strncmp (p1, "%include", sizeof ("%include") - 1) && (p1[sizeof "%include" - 1] == ' ' || p1[sizeof "%include" - 1] == '\t')) { @@ -1527,7 +1545,8 @@ read_specs (filename, main_p) char *new_filename; p1 += sizeof "%include_noerr"; - while (*p1 == ' ' || *p1 == '\t') p1++; + while (*p1 == ' ' || *p1 == '\t') + p1++; if (*p1++ != '<' || p[-2] != '>') fatal ("specs %%include syntax malformed after %ld characters", @@ -1553,12 +1572,12 @@ read_specs (filename, main_p) while (*p1 == ' ' || *p1 == '\t') p1++; - if (! ISALPHA ((unsigned char)*p1)) + if (! ISALPHA ((unsigned char) *p1)) fatal ("specs %%rename syntax malformed after %ld characters", (long) (p1 - buffer)); p2 = p1; - while (*p2 && !ISSPACE ((unsigned char)*p2)) + while (*p2 && !ISSPACE ((unsigned char) *p2)) p2++; if (*p2 != ' ' && *p2 != '\t') @@ -1570,16 +1589,16 @@ read_specs (filename, main_p) while (*p2 == ' ' || *p2 == '\t') p2++; - if (! ISALPHA ((unsigned char)*p2)) + if (! ISALPHA ((unsigned char) *p2)) fatal ("specs %%rename syntax malformed after %ld characters", (long) (p2 - buffer)); - /* Get new spec name */ + /* Get new spec name. */ p3 = p2; - while (*p3 && !ISSPACE ((unsigned char)*p3)) + while (*p3 && !ISSPACE ((unsigned char) *p3)) p3++; - if (p3 != p-1) + if (p3 != p - 1) fatal ("specs %%rename syntax malformed after %ld characters", (long) (p3 - buffer)); *p3 = '\0'; @@ -1604,7 +1623,7 @@ read_specs (filename, main_p) set_spec (p2, *(sl->ptr_spec)); if (sl->alloc_p) - free (*(sl->ptr_spec)); + free ((PTR) *(sl->ptr_spec)); *(sl->ptr_spec) = ""; sl->alloc_p = 0; @@ -1679,12 +1698,9 @@ read_specs (filename, main_p) (n_compilers + 2) * sizeof (struct compiler))); compilers[n_compilers].suffix = suffix; - bzero ((char *) compilers[n_compilers].spec, - sizeof compilers[n_compilers].spec); - compilers[n_compilers].spec[0] = spec; + compilers[n_compilers].spec = spec; n_compilers++; - bzero ((char *) &compilers[n_compilers], - sizeof compilers[n_compilers]); + memset (&compilers[n_compilers], 0, sizeof compilers[n_compilers]); } if (*suffix == 0) @@ -1700,7 +1716,7 @@ read_specs (filename, main_p) /* This is the common prefix we use to make temp file names. It is chosen once for each run of this program. - It is substituted into a spec by %g. + It is substituted into a spec by %g or %j. Thus, all temp file names contain this prefix. In practice, all temp file names start with this prefix. @@ -1740,9 +1756,7 @@ record_temp_file (filename, always_delete, fail_delete) int always_delete; int fail_delete; { - register char *name; - name = xmalloc (strlen (filename) + 1); - strcpy (name, filename); + register char *const name = xstrdup (filename); if (always_delete) { @@ -1871,16 +1885,15 @@ putenv (str) } /* Add a new environment variable */ - environ = (char **) xmalloc (sizeof (char *) * (num_envs+2)); + environ = (char **) xmalloc (sizeof (char *) * (num_envs + 2)); *environ = str; memcpy ((char *) (environ + 1), (char *) old_environ, - sizeof (char *) * (num_envs+1)); + sizeof (char *) * (num_envs + 1)); #endif /* VMS */ } -#endif /* HAVE_PUTENV */ - +#endif /* HAVE_PUTENV */ /* Build a list of search directories from PATHS. PREFIX is a string to prepend to the list. @@ -1901,6 +1914,7 @@ build_search_list (paths, prefix, check_dir_p) struct prefix_list *pprefix; obstack_grow (&collect_obstack, prefix, strlen (prefix)); + obstack_1grow (&collect_obstack, '='); for (pprefix = paths->plist; pprefix != 0; pprefix = pprefix->next) { @@ -1912,7 +1926,7 @@ build_search_list (paths, prefix, check_dir_p) { if (!first_time) obstack_1grow (&collect_obstack, PATH_SEPARATOR); - + first_time = FALSE; obstack_grow (&collect_obstack, pprefix->prefix, len); obstack_grow (&collect_obstack, machine_suffix, suffix_len); @@ -1925,7 +1939,7 @@ build_search_list (paths, prefix, check_dir_p) { if (! first_time) obstack_1grow (&collect_obstack, PATH_SEPARATOR); - + first_time = FALSE; obstack_grow (&collect_obstack, pprefix->prefix, len); obstack_grow (&collect_obstack, just_machine_suffix, @@ -1957,6 +1971,242 @@ putenv_from_prefixes (paths, env_var) putenv (build_search_list (paths, env_var, 1)); } +#ifndef VMS + +/* FIXME: the location independence code for VMS is hairier than this, + and hasn't been written. */ + +/* Split a filename into component directories. */ + +static char ** +split_directories (name, ptr_num_dirs) + const char *name; + int *ptr_num_dirs; +{ + int num_dirs = 0; + char **dirs; + const char *p, *q; + int ch; + + /* Count the number of directories. Special case MSDOS disk names as part + of the initial directory. */ + p = name; +#ifdef HAVE_DOS_BASED_FILE_SYSTEM + if (name[1] == ':' && IS_DIR_SEPARATOR (name[2])) + { + p += 3; + num_dirs++; + } +#endif /* HAVE_DOS_BASED_FILE_SYSTEM */ + + while ((ch = *p++) != '\0') + { + if (IS_DIR_SEPARATOR (ch)) + { + num_dirs++; + while (IS_DIR_SEPARATOR (*p)) + p++; + } + } + + dirs = (char **) xmalloc (sizeof (char *) * (num_dirs + 2)); + + /* Now copy the directory parts. */ + num_dirs = 0; + p = name; +#ifdef HAVE_DOS_BASED_FILE_SYSTEM + if (name[1] == ':' && IS_DIR_SEPARATOR (name[2])) + { + dirs[num_dirs++] = save_string (p, 3); + p += 3; + } +#endif /* HAVE_DOS_BASED_FILE_SYSTEM */ + + q = p; + while ((ch = *p++) != '\0') + { + if (IS_DIR_SEPARATOR (ch)) + { + while (IS_DIR_SEPARATOR (*p)) + p++; + + dirs[num_dirs++] = save_string (q, p - q); + q = p; + } + } + + if (p - 1 - q > 0) + dirs[num_dirs++] = save_string (q, p - 1 - q); + + dirs[num_dirs] = NULL_PTR; + if (ptr_num_dirs) + *ptr_num_dirs = num_dirs; + + return dirs; +} + +/* Release storage held by split directories. */ + +static void +free_split_directories (dirs) + char **dirs; +{ + int i = 0; + + while (dirs[i] != NULL_PTR) + free (dirs[i++]); + + free ((char *) dirs); +} + +/* Given three strings PROGNAME, BIN_PREFIX, PREFIX, return a string that gets + to PREFIX starting with the directory portion of PROGNAME and a relative + pathname of the difference between BIN_PREFIX and PREFIX. + + For example, if BIN_PREFIX is /alpha/beta/gamma/gcc/delta, PREFIX is + /alpha/beta/gamma/omega/, and PROGNAME is /red/green/blue/gcc, then this + function will return /red/green/blue/../omega. + + If no relative prefix can be found, return NULL. */ + +static char * +make_relative_prefix (progname, bin_prefix, prefix) + const char *progname; + const char *bin_prefix; + const char *prefix; +{ + char **prog_dirs, **bin_dirs, **prefix_dirs; + int prog_num, bin_num, prefix_num, std_loc_p; + int i, n, common; + + prog_dirs = split_directories (progname, &prog_num); + bin_dirs = split_directories (bin_prefix, &bin_num); + + /* If there is no full pathname, try to find the program by checking in each + of the directories specified in the PATH environment variable. */ + if (prog_num == 1) + { + char *temp; + + GET_ENV_PATH_LIST (temp, "PATH"); + if (temp) + { + char *startp, *endp; + char *nstore = (char *) alloca (strlen (temp) + strlen (progname) + 1); + + startp = endp = temp; + while (1) + { + if (*endp == PATH_SEPARATOR || *endp == 0) + { + if (endp == startp) + { + nstore[0] = '.'; + nstore[1] = DIR_SEPARATOR; + nstore[2] = '\0'; + } + else + { + strncpy (nstore, startp, endp - startp); + if (! IS_DIR_SEPARATOR (endp[-1])) + { + nstore[endp - startp] = DIR_SEPARATOR; + nstore[endp - startp + 1] = 0; + } + else + nstore[endp - startp] = 0; + } + strcat (nstore, progname); + if (! access (nstore, X_OK) +#ifdef HAVE_EXECUTABLE_SUFFIX + || ! access (strcat (nstore, EXECUTABLE_SUFFIX), X_OK) +#endif + ) + { + free_split_directories (prog_dirs); + progname = nstore; + prog_dirs = split_directories (progname, &prog_num); + break; + } + + if (*endp == 0) + break; + endp = startp = endp + 1; + } + else + endp++; + } + } + } + + /* Remove the program name from comparison of directory names. */ + prog_num--; + + /* Determine if the compiler is installed in the standard location, and if + so, we don't need to specify relative directories. Also, if argv[0] + doesn't contain any directory specifiers, there is not much we can do. */ + std_loc_p = 0; + if (prog_num == bin_num) + { + for (i = 0; i < bin_num; i++) + { + if (strcmp (prog_dirs[i], bin_dirs[i]) != 0) + break; + } + + if (prog_num <= 0 || i == bin_num) + { + std_loc_p = 1; + free_split_directories (prog_dirs); + free_split_directories (bin_dirs); + prog_dirs = bin_dirs = (char **) 0; + return NULL_PTR; + } + } + + prefix_dirs = split_directories (prefix, &prefix_num); + + /* Find how many directories are in common between bin_prefix & prefix. */ + n = (prefix_num < bin_num) ? prefix_num : bin_num; + for (common = 0; common < n; common++) + { + if (strcmp (bin_dirs[common], prefix_dirs[common]) != 0) + break; + } + + /* If there are no common directories, there can be no relative prefix. */ + if (common == 0) + { + free_split_directories (prog_dirs); + free_split_directories (bin_dirs); + free_split_directories (prefix_dirs); + return NULL_PTR; + } + + /* Build up the pathnames in argv[0]. */ + for (i = 0; i < prog_num; i++) + obstack_grow (&obstack, prog_dirs[i], strlen (prog_dirs[i])); + + /* Now build up the ..'s. */ + for (i = common; i < n; i++) + { + obstack_grow (&obstack, DIR_UP, sizeof (DIR_UP) - 1); + obstack_1grow (&obstack, DIR_SEPARATOR); + } + + /* Put in directories to move over to prefix. */ + for (i = common; i < prefix_num; i++) + obstack_grow (&obstack, prefix_dirs[i], strlen (prefix_dirs[i])); + + free_split_directories (prog_dirs); + free_split_directories (bin_dirs); + free_split_directories (prefix_dirs); + + obstack_1grow (&obstack, '\0'); + return obstack_finish (&obstack); +} +#endif /* VMS */ + /* Check whether NAME can be accessed in MODE. This is like access, except that it never considers directories to be executable. */ @@ -1993,23 +2243,13 @@ find_a_file (pprefix, name, mode) int len = pprefix->max_len + strlen (name) + strlen (file_suffix) + 1; #ifdef DEFAULT_ASSEMBLER - if (! strcmp(name, "as") && access (DEFAULT_ASSEMBLER, mode) == 0) { - name = DEFAULT_ASSEMBLER; - len = strlen(name)+1; - temp = xmalloc (len); - strcpy (temp, name); - return temp; - } + if (! strcmp (name, "as") && access (DEFAULT_ASSEMBLER, mode) == 0) + return xstrdup (DEFAULT_ASSEMBLER); #endif #ifdef DEFAULT_LINKER - if (! strcmp(name, "ld") && access (DEFAULT_LINKER, mode) == 0) { - name = DEFAULT_LINKER; - len = strlen(name)+1; - temp = xmalloc (len); - strcpy (temp, name); - return temp; - } + if (! strcmp(name, "ld") && access (DEFAULT_LINKER, mode) == 0) + return xstrdup (DEFAULT_LINKER); #endif if (machine_suffix) @@ -2019,12 +2259,7 @@ find_a_file (pprefix, name, mode) /* Determine the filename to execute (special case for absolute paths). */ - if (IS_DIR_SEPARATOR (*name) -#ifdef HAVE_DOS_BASED_FILESYSTEM - /* Check for disk name on MS-DOS-based systems. */ - || (name[0] && name[1] == ':' && IS_DIR_SEPARATOR (name[2])) -#endif - ) + if (IS_ABSOLUTE_PATHNAME (name)) { if (access (name, mode) == 0) { @@ -2130,8 +2365,18 @@ find_a_file (pprefix, name, mode) return 0; } -/* Add an entry for PREFIX in PLIST. If FIRST is set, it goes - at the start of the list, otherwise it goes at the end. +/* Ranking of prefixes in the sort list. -B prefixes are put before + all others. */ + +enum path_prefix_priority +{ + PREFIX_PRIORITY_B_OPT, + PREFIX_PRIORITY_LAST +}; + +/* Add an entry for PREFIX in PLIST. The PLIST is kept in assending + order according to PRIORITY. Within each PRIORITY, new entries are + appended. If WARN is nonzero, we will warn if no file is found through this prefix. WARN should point to an int @@ -2144,25 +2389,21 @@ find_a_file (pprefix, name, mode) 2 means try both machine_suffix and just_machine_suffix. */ static void -add_prefix (pprefix, prefix, component, first, require_machine_suffix, warn) +add_prefix (pprefix, prefix, component, priority, require_machine_suffix, warn) struct path_prefix *pprefix; const char *prefix; const char *component; - int first; + /* enum prefix_priority */ int priority; int require_machine_suffix; int *warn; { struct prefix_list *pl, **prev; int len; - if (! first && pprefix->plist) - { - for (pl = pprefix->plist; pl->next; pl = pl->next) - ; - prev = &pl->next; - } - else - prev = &pprefix->plist; + for (prev = &pprefix->plist; + (*prev) != NULL && (*prev)->priority <= priority; + prev = &(*prev)->next) + ; /* Keep track of the longest prefix */ @@ -2175,42 +2416,14 @@ add_prefix (pprefix, prefix, component, first, require_machine_suffix, warn) pl->prefix = save_string (prefix, len); pl->require_machine_suffix = require_machine_suffix; pl->used_flag_ptr = warn; + pl->priority = priority; if (warn) *warn = 0; - if (*prev) - pl->next = *prev; - else - pl->next = (struct prefix_list *) 0; - *prev = pl; -} - -/* Print warnings for any prefixes in the list PPREFIX that were not used. */ - -static void -unused_prefix_warnings (pprefix) - struct path_prefix *pprefix; -{ - struct prefix_list *pl = pprefix->plist; - - while (pl) - { - if (pl->used_flag_ptr != 0 && !*pl->used_flag_ptr) - { - if (pl->require_machine_suffix && machine_suffix) - error ("file path prefix `%s%s' never used", pl->prefix, - machine_suffix); - else - error ("file path prefix `%s' never used", pl->prefix); - - /* Prevent duplicate warnings. */ - *pl->used_flag_ptr = 1; - } - - pl = pl->next; - } + /* Insert after PREV */ + pl->next = (*prev); + (*prev) = pl; } - /* Execute the command specified by the arguments on the current line of spec. When using pipes, this includes several piped-together commands @@ -2225,11 +2438,11 @@ execute () int n_commands; /* # of command. */ char *string; struct command - { - const char *prog; /* program name. */ - char **argv; /* vector of args. */ - int pid; /* pid of process for this command. */ - }; + { + const char *prog; /* program name. */ + const char **argv; /* vector of args. */ + int pid; /* pid of process for this command. */ + }; struct command *commands; /* each command buffer with above info. */ @@ -2239,8 +2452,7 @@ execute () n_commands++; /* Get storage for each command. */ - commands - = (struct command *) alloca (n_commands * sizeof (struct command)); + commands = (struct command *) alloca (n_commands * sizeof (struct command)); /* Split argbuf into its separate piped processes, and record info about each one. @@ -2257,7 +2469,7 @@ execute () if (strcmp (argbuf[i], "|") == 0) { /* each command. */ #if defined (__MSDOS__) || defined (OS2) || defined (VMS) - fatal ("-pipe not supported"); + fatal ("-pipe not supported"); #endif argbuf[i] = 0; /* termination of command args. */ commands[n_commands].prog = argbuf[i + 1]; @@ -2277,11 +2489,11 @@ execute () /* For help listings, put a blank line between sub-processes. */ if (print_help_list) fputc ('\n', stderr); - + /* Print each piped command as a separate line. */ - for (i = 0; i < n_commands ; i++) + for (i = 0; i < n_commands; i++) { - char **j; + const char *const *j; for (j = commands[i].argv; *j; j++) fprintf (stderr, " %s", *j); @@ -2310,9 +2522,11 @@ execute () for (i = 0; i < n_commands; i++) { char *errmsg_fmt, *errmsg_arg; - char *string = commands[i].argv[0]; + const char *string = commands[i].argv[0]; - commands[i].pid = pexecute (string, commands[i].argv, + /* For some bizarre reason, the second argument of execvp() is + char *const *, not const char *const *. */ + commands[i].pid = pexecute (string, (char *const *) commands[i].argv, programname, temp_filename, &errmsg_fmt, &errmsg_arg, ((i == 0 ? PEXECUTE_FIRST : 0) @@ -2325,7 +2539,7 @@ execute () pfatal_pexecute (errmsg_fmt, errmsg_arg); if (string != commands[i].prog) - free (string); + free ((PTR) string); } execution_count++; @@ -2338,8 +2552,12 @@ execute () { int ret_code = 0; +#ifdef HAVE_GETRUSAGE + struct timeval d; + double ut = 0.0, st = 0.0; +#endif - for (i = 0; i < n_commands; ) + for (i = 0; i < n_commands;) { int j; int status; @@ -2349,23 +2567,63 @@ execute () if (pid < 0) abort (); +#ifdef HAVE_GETRUSAGE + if (report_times) + { + /* getrusage returns the total resource usage of all children + up to now. Copy the previous values into prus, get the + current statistics, then take the difference. */ + + prus = rus; + getrusage (RUSAGE_CHILDREN, &rus); + d.tv_sec = rus.ru_utime.tv_sec - prus.ru_utime.tv_sec; + d.tv_usec = rus.ru_utime.tv_usec - prus.ru_utime.tv_usec; + ut = (double) d.tv_sec + (double) d.tv_usec / 1.0e6; + + d.tv_sec = rus.ru_stime.tv_sec - prus.ru_stime.tv_sec; + d.tv_usec = rus.ru_stime.tv_usec - prus.ru_stime.tv_usec; + st = (double) d.tv_sec + (double) d.tv_usec / 1.0e6; + } +#endif + for (j = 0; j < n_commands; j++) if (commands[j].pid == pid) { i++; - if (status != 0) + if (WIFSIGNALED (status)) { - if (WIFSIGNALED (status)) - { - fatal ("Internal compiler error: program %s got fatal signal %d", - commands[j].prog, WTERMSIG (status)); - signal_count++; - ret_code = -1; - } - else if (WIFEXITED (status) - && WEXITSTATUS (status) >= MIN_FATAL_STATUS) - ret_code = -1; +#ifdef SIGPIPE + /* SIGPIPE is a special case. It happens in -pipe mode + when the compiler dies before the preprocessor is + done, or the assembler dies before the compiler is + done. There's generally been an error already, and + this is just fallout. So don't generate another error + unless we would otherwise have succeeded. */ + if (WTERMSIG (status) == SIGPIPE + && (signal_count || greatest_status >= MIN_FATAL_STATUS)) + ; + else +#endif + fatal ("\ +Internal error: %s (program %s)\n\ +Please submit a full bug report.\n\ +See %s for instructions.", + strsignal (WTERMSIG (status)), commands[j].prog, + GCCBUGURL); + signal_count++; + ret_code = -1; + } + else if (WIFEXITED (status) + && WEXITSTATUS (status) >= MIN_FATAL_STATUS) + { + if (WEXITSTATUS (status) > greatest_status) + greatest_status = WEXITSTATUS (status); + ret_code = -1; } +#ifdef HAVE_GETRUSAGE + if (report_times && ut + st != 0) + notice ("# %s %.2f %.2f\n", commands[j].prog, ut, st); +#endif break; } } @@ -2379,15 +2637,23 @@ execute () If a switch uses following arguments, then the `part1' field is the switch itself and the `args' field is a null-terminated vector containing the following arguments. - The `live_cond' field is 1 if the switch is true in a conditional spec, - -1 if false (overridden by a later switch), and is initialized to zero. + The `live_cond' field is: + 0 when initialized + 1 if the switch is true in a conditional spec, + -1 if false (overridden by a later switch) + -2 if this switch should be ignored (used in %{ Display the full path to library \n"); - printf (" -print-prog-name= Display the full path to compiler component \n"); - printf (" -print-multi-directory Display the root directory for versions of libgcc\n"); - printf (" -print-multi-lib Display the mapping between command line options and\n"); - printf (" multiple library search directories\n"); - printf (" -Wa, Pass comma-separated on to the assembler\n"); - printf (" -Wp, Pass comma-separated on to the preprocessor\n"); - printf (" -Wl, Pass comma-separated on to the linker\n"); - printf (" -Xlinker Pass on to the linker\n"); - printf (" -save-temps Do not delete intermediate files\n"); - printf (" -pipe Use pipes rather than intermediate files\n"); - printf (" -specs= Override builtin specs with the contents of \n"); - printf (" -std= Assume that the input sources are for \n"); - printf (" -B Add to the compiler's search paths\n"); - printf (" -b Run gcc for target , if installed\n"); - printf (" -V Run gcc version number , if installed\n"); - printf (" -v Display the programs invoked by the compiler\n"); - printf (" -E Preprocess only; do not compile, assemble or link\n"); - printf (" -S Compile only; do not assemble or link\n"); - printf (" -c Compile and assemble, but do not link\n"); - printf (" -o Place the output into \n"); - printf (" -x Specify the language of the following input files\n"); - printf (" Permissable languages include: c c++ assembler none\n"); - printf (" 'none' means revert to the default behaviour of\n"); - printf (" guessing the language based on the file's extension\n"); - - printf ("\nOptions starting with -g, -f, -m, -O or -W are automatically passed on to\n"); - printf ("the various sub-processes invoked by %s. In order to pass other options\n", - programname); - printf ("on to these processes the -W options must be used.\n"); + fputs (_(" (Use '-v --help' to display command line options of sub-processes)\n"), stdout); + fputs (_(" -dumpspecs Display all of the built in spec strings\n"), stdout); + fputs (_(" -dumpversion Display the version of the compiler\n"), stdout); + fputs (_(" -dumpmachine Display the compiler's target processor\n"), stdout); + fputs (_(" -print-search-dirs Display the directories in the compiler's search path\n"), stdout); + fputs (_(" -print-libgcc-file-name Display the name of the compiler's companion library\n"), stdout); + fputs (_(" -print-file-name= Display the full path to library \n"), stdout); + fputs (_(" -print-prog-name= Display the full path to compiler component \n"), stdout); + fputs (_(" -print-multi-directory Display the root directory for versions of libgcc\n"), stdout); + fputs (_("\ + -print-multi-lib Display the mapping between command line options and\n\ + multiple library search directories\n"), stdout); + fputs (_(" -Wa, Pass comma-separated on to the assembler\n"), stdout); + fputs (_(" -Wp, Pass comma-separated on to the preprocessor\n"), stdout); + fputs (_(" -Wl, Pass comma-separated on to the linker\n"), stdout); + fputs (_(" -Xlinker Pass on to the linker\n"), stdout); + fputs (_(" -save-temps Do not delete intermediate files\n"), stdout); + fputs (_(" -pipe Use pipes rather than intermediate files\n"), stdout); + fputs (_(" -time Time the execution of each subprocess\n"), stdout); + fputs (_(" -specs= Override builtin specs with the contents of \n"), stdout); + fputs (_(" -std= Assume that the input sources are for \n"), stdout); + fputs (_(" -B Add to the compiler's search paths\n"), stdout); + fputs (_(" -b Run gcc for target , if installed\n"), stdout); + fputs (_(" -V Run gcc version number , if installed\n"), stdout); + fputs (_(" -v Display the programs invoked by the compiler\n"), stdout); + fputs (_(" -E Preprocess only; do not compile, assemble or link\n"), stdout); + fputs (_(" -S Compile only; do not assemble or link\n"), stdout); + fputs (_(" -c Compile and assemble, but do not link\n"), stdout); + fputs (_(" -o Place the output into \n"), stdout); + fputs (_("\ + -x Specify the language of the following input files\n\ + Permissable languages include: c c++ assembler none\n\ + 'none' means revert to the default behaviour of\n\ + guessing the language based on the file's extension\n\ +"), stdout); + + printf (_("\ +\nOptions starting with -g, -f, -m, -O or -W are automatically passed on to\n\ +the various sub-processes invoked by %s. In order to pass other options\n\ +on to these processes the -W options must be used.\n\ +"), programname); /* The rest of the options are displayed by invocations of the various sub-processes. */ } -static void -add_preprocessor_option (option, len) - const char * option; +static void +add_preprocessor_option (option, len) + const char *option; int len; -{ +{ n_preprocessor_options++; - + if (! preprocessor_options) preprocessor_options = (char **) xmalloc (n_preprocessor_options * sizeof (char *)); @@ -2544,14 +2816,14 @@ add_preprocessor_option (option, len) preprocessor_options = (char **) xrealloc (preprocessor_options, n_preprocessor_options * sizeof (char *)); - + preprocessor_options [n_preprocessor_options - 1] = save_string (option, len); } - -static void -add_assembler_option (option, len) - const char * option; + +static void +add_assembler_option (option, len) + const char *option; int len; { n_assembler_options++; @@ -2566,11 +2838,11 @@ add_assembler_option (option, len) assembler_options [n_assembler_options - 1] = save_string (option, len); } - -static void -add_linker_option (option, len) - const char * option; - int len; + +static void +add_linker_option (option, len) + const char *option; + int len; { n_linker_options++; @@ -2591,16 +2863,20 @@ add_linker_option (option, len) static void process_command (argc, argv) int argc; - char **argv; + const char *const *argv; { register int i; const char *temp; char *temp1; - char *spec_lang = 0; + const char *spec_lang = 0; int last_language_n_infiles; int have_c = 0; int have_o = 0; int lang_n_infiles = 0; +#ifdef MODIFY_TARGET_NAME + int is_modify_target_name; + int j; +#endif GET_ENV_PATH_LIST (gcc_exec_prefix, "GCC_EXEC_PREFIX"); @@ -2610,8 +2886,8 @@ process_command (argc, argv) /* Figure compiler version from version string. */ - compiler_version = temp1 = - save_string (version_string, strlen (version_string)); + compiler_version = temp1 = xstrdup (version_string); + for (; *temp1; ++temp1) { if (*temp1 == ' ') @@ -2621,25 +2897,40 @@ process_command (argc, argv) } } - /* Set up the default search paths. */ + /* Set up the default search paths. If there is no GCC_EXEC_PREFIX, + see if we can create it from the pathname specified in argv[0]. */ + +#ifndef VMS + /* FIXME: make_relative_prefix doesn't yet work for VMS. */ + if (!gcc_exec_prefix) + { + gcc_exec_prefix = make_relative_prefix (argv[0], standard_bindir_prefix, + standard_exec_prefix); + if (gcc_exec_prefix) + putenv (concat ("GCC_EXEC_PREFIX=", gcc_exec_prefix, NULL_PTR)); + } +#endif if (gcc_exec_prefix) { int len = strlen (gcc_exec_prefix); - if (len > (int) sizeof ("/lib/gcc-lib/")-1 + + if (len > (int) sizeof ("/lib/gcc-lib/") - 1 && (IS_DIR_SEPARATOR (gcc_exec_prefix[len-1]))) { temp = gcc_exec_prefix + len - sizeof ("/lib/gcc-lib/") + 1; if (IS_DIR_SEPARATOR (*temp) - && strncmp (temp+1, "lib", 3) == 0 + && strncmp (temp + 1, "lib", 3) == 0 && IS_DIR_SEPARATOR (temp[4]) - && strncmp (temp+5, "gcc-lib", 7) == 0) + && strncmp (temp + 5, "gcc-lib", 7) == 0) len -= sizeof ("/lib/gcc-lib/") - 1; } set_std_prefix (gcc_exec_prefix, len); - add_prefix (&exec_prefixes, gcc_exec_prefix, "GCC", 0, 0, NULL_PTR); - add_prefix (&startfile_prefixes, gcc_exec_prefix, "GCC", 0, 0, NULL_PTR); + add_prefix (&exec_prefixes, gcc_exec_prefix, "GCC", + PREFIX_PRIORITY_LAST, 0, NULL_PTR); + add_prefix (&startfile_prefixes, gcc_exec_prefix, "GCC", + PREFIX_PRIORITY_LAST, 0, NULL_PTR); } /* COMPILER_PATH and LIBRARY_PATH have values @@ -2656,20 +2947,21 @@ process_command (argc, argv) { if (*endp == PATH_SEPARATOR || *endp == 0) { - strncpy (nstore, startp, endp-startp); + strncpy (nstore, startp, endp - startp); if (endp == startp) strcpy (nstore, concat (".", dir_separator_str, NULL_PTR)); else if (!IS_DIR_SEPARATOR (endp[-1])) { - nstore[endp-startp] = DIR_SEPARATOR; - nstore[endp-startp+1] = 0; + nstore[endp - startp] = DIR_SEPARATOR; + nstore[endp - startp + 1] = 0; } else - nstore[endp-startp] = 0; - add_prefix (&exec_prefixes, nstore, 0, 0, 0, NULL_PTR); + nstore[endp - startp] = 0; + add_prefix (&exec_prefixes, nstore, 0, + PREFIX_PRIORITY_LAST, 0, NULL_PTR); add_prefix (&include_prefixes, concat (nstore, "include", NULL_PTR), - 0, 0, 0, NULL_PTR); + 0, PREFIX_PRIORITY_LAST, 0, NULL_PTR); if (*endp == 0) break; endp = startp = endp + 1; @@ -2679,7 +2971,7 @@ process_command (argc, argv) } } - GET_ENV_PATH_LIST (temp, "LIBRARY_PATH"); + GET_ENV_PATH_LIST (temp, LIBRARY_PATH_ENV); if (temp && *cross_compile == '0') { const char *startp, *endp; @@ -2690,18 +2982,18 @@ process_command (argc, argv) { if (*endp == PATH_SEPARATOR || *endp == 0) { - strncpy (nstore, startp, endp-startp); + strncpy (nstore, startp, endp - startp); if (endp == startp) strcpy (nstore, concat (".", dir_separator_str, NULL_PTR)); else if (!IS_DIR_SEPARATOR (endp[-1])) { - nstore[endp-startp] = DIR_SEPARATOR; - nstore[endp-startp+1] = 0; + nstore[endp - startp] = DIR_SEPARATOR; + nstore[endp - startp + 1] = 0; } else - nstore[endp-startp] = 0; + nstore[endp - startp] = 0; add_prefix (&startfile_prefixes, nstore, NULL_PTR, - 0, 0, NULL_PTR); + PREFIX_PRIORITY_LAST, 0, NULL_PTR); if (*endp == 0) break; endp = startp = endp + 1; @@ -2723,18 +3015,18 @@ process_command (argc, argv) { if (*endp == PATH_SEPARATOR || *endp == 0) { - strncpy (nstore, startp, endp-startp); + strncpy (nstore, startp, endp - startp); if (endp == startp) strcpy (nstore, concat (".", dir_separator_str, NULL_PTR)); else if (!IS_DIR_SEPARATOR (endp[-1])) { - nstore[endp-startp] = DIR_SEPARATOR; - nstore[endp-startp+1] = 0; + nstore[endp - startp] = DIR_SEPARATOR; + nstore[endp - startp + 1] = 0; } else - nstore[endp-startp] = 0; + nstore[endp - startp] = 0; add_prefix (&startfile_prefixes, nstore, NULL_PTR, - 0, 0, NULL_PTR); + PREFIX_PRIORITY_LAST, 0, NULL_PTR); if (*endp == 0) break; endp = startp = endp + 1; @@ -2748,10 +3040,11 @@ process_command (argc, argv) translate_options (&argc, &argv); /* Do language-specific adjustment/addition of flags. */ - lang_specific_driver (fatal, &argc, &argv, &added_libraries); + lang_specific_driver (&argc, &argv, &added_libraries); /* Scan argv twice. Here, the first time, just count how many switches there will be in their vector, and how many input files in theirs. + Also parse any switches that determine the configuration name, such as -b. Here we also parse the switches that cc itself uses (e.g. -v). */ for (i = 1; i < argc; i++) @@ -2762,8 +3055,8 @@ process_command (argc, argv) init_spec (); for (sl = specs; sl; sl = sl->next) printf ("*%s:\n%s\n\n", sl->name, *(sl->ptr_spec)); - if (link_command_spec) - printf ("*link_command:\n%s\n\n", link_command_spec); + if (link_command_spec) + printf ("*link_command:\n%s\n\n", link_command_spec); exit (0); } else if (! strcmp (argv[i], "-dumpversion")) @@ -2774,7 +3067,7 @@ process_command (argc, argv) else if (! strcmp (argv[i], "-dumpmachine")) { printf ("%s\n", spec_machine); - exit (0); + exit (0); } else if (strcmp (argv[i], "-fhelp") == 0) { @@ -2784,11 +3077,29 @@ process_command (argc, argv) /* We will be passing a dummy file on to the sub-processes. */ n_infiles++; n_switches++; - + add_preprocessor_option ("--help", 6); add_assembler_option ("--help", 6); add_linker_option ("--help", 6); } + else if (strcmp (argv[i], "-ftarget-help") == 0) + { + /* translate_options() has turned --target-help into -ftarget-help. */ + target_help_flag = 1; + + /* We will be passing a dummy file on to the sub-processes. */ + n_infiles++; + n_switches++; + + add_preprocessor_option ("--target-help", 13); + add_assembler_option ("--target-help", 13); + add_linker_option ("--target-help", 13); + } + else if (! strcmp (argv[i], "-pass-exit-codes")) + { + pass_exit_codes = 1; + n_switches++; + } else if (! strcmp (argv[i], "-print-search-dirs")) print_search_dirs = 1; else if (! strcmp (argv[i], "-print-libgcc-file-name")) @@ -2814,7 +3125,7 @@ process_command (argc, argv) add_assembler_option (argv[i] + prev, j - prev); prev = j + 1; } - + /* Record the part after the last comma. */ add_assembler_option (argv[i] + prev, j - prev); } @@ -2831,7 +3142,7 @@ process_command (argc, argv) add_preprocessor_option (argv[i] + prev, j - prev); prev = j + 1; } - + /* Record the part after the last comma. */ add_preprocessor_option (argv[i] + prev, j - prev); } @@ -2867,7 +3178,7 @@ process_command (argc, argv) if (++i >= argc) fatal ("argument to `-specs' is missing"); - user->next = (struct user_specs *)0; + user->next = (struct user_specs *) 0; user->filename = argv[i]; if (user_specs_tail) user_specs_tail->next = user; @@ -2882,23 +3193,25 @@ process_command (argc, argv) if (strlen (argv[i]) == 7) fatal ("argument to `-specs=' is missing"); - user->next = (struct user_specs *)0; - user->filename = argv[i]+7; + user->next = (struct user_specs *) 0; + user->filename = argv[i] + 7; if (user_specs_tail) user_specs_tail->next = user; else user_specs_head = user; user_specs_tail = user; } + else if (strcmp (argv[i], "-time") == 0) + report_times = 1; else if (argv[i][0] == '-' && argv[i][1] != 0) { - register char *p = &argv[i][1]; + register const char *p = &argv[i][1]; register int c = *p; switch (c) { case 'b': - n_switches++; + n_switches++; if (p[1] == 0 && i + 1 == argc) fatal ("argument to `-b' is missing"); if (p[1] == 0) @@ -2911,23 +3224,16 @@ process_command (argc, argv) case 'B': { - char *value; + const char *value; if (p[1] == 0 && i + 1 == argc) fatal ("argument to `-B' is missing"); if (p[1] == 0) value = argv[++i]; else value = p + 1; - add_prefix (&exec_prefixes, value, NULL_PTR, 1, 0, &warn_B); - add_prefix (&startfile_prefixes, value, NULL_PTR, - 1, 0, &warn_B); - add_prefix (&include_prefixes, concat (value, "include", - NULL_PTR), - NULL_PTR, 1, 0, NULL_PTR); - - /* As a kludge, if the arg is "[foo/]stageN/", just add - "[foo/]include" to the include prefix. */ { + /* As a kludge, if the arg is "[foo/]stageN/", just + add "[foo/]include" to the include prefix. */ int len = strlen (value); if ((len == 7 || (len > 7 @@ -2938,18 +3244,26 @@ process_command (argc, argv) { if (len == 7) add_prefix (&include_prefixes, "include", NULL_PTR, - 1, 0, NULL_PTR); + PREFIX_PRIORITY_B_OPT, 0, NULL_PTR); else { char *string = xmalloc (len + 1); strncpy (string, value, len-7); strcpy (string+len-7, "include"); add_prefix (&include_prefixes, string, NULL_PTR, - 1, 0, NULL_PTR); + PREFIX_PRIORITY_B_OPT, 0, NULL_PTR); } } } - n_switches++; + add_prefix (&exec_prefixes, value, NULL_PTR, + PREFIX_PRIORITY_B_OPT, 0, &warn_B); + add_prefix (&startfile_prefixes, value, NULL_PTR, + PREFIX_PRIORITY_B_OPT, 0, &warn_B); + add_prefix (&include_prefixes, concat (value, "include", + NULL_PTR), + NULL_PTR, + PREFIX_PRIORITY_B_OPT, 0, NULL_PTR); + n_switches++; } break; @@ -3020,7 +3334,7 @@ process_command (argc, argv) if (! have_c) { int skip; - + /* Forward scan, just in case -S or -c is specified after -o. */ int j = i + 1; @@ -3047,7 +3361,7 @@ process_command (argc, argv) #endif #if defined(HAVE_EXECUTABLE_SUFFIX) || defined(HAVE_OBJECT_SUFFIX) if (p[1] == 0) - argv[i+1] = convert_filename (argv[i+1], ! have_c); + argv[i + 1] = convert_filename (argv[i + 1], ! have_c); else argv[i] = convert_filename (argv[i], ! have_c); #endif @@ -3055,6 +3369,46 @@ process_command (argc, argv) default: normal_switch: + +#ifdef MODIFY_TARGET_NAME + is_modify_target_name = 0; + + for (j = 0; + j < sizeof modify_target / sizeof modify_target[0]; j++) + if (! strcmp (argv[i], modify_target[j].sw)) + { + char *new_name + = (char *) xmalloc (strlen (modify_target[j].str) + + strlen (spec_machine)); + const char *p, *r; + char *q; + int made_addition = 0; + + is_modify_target_name = 1; + for (p = spec_machine, q = new_name; *p != 0; ) + { + if (modify_target[j].add_del == DELETE + && (! strncmp (q, modify_target[j].str, + strlen (modify_target[j].str)))) + p += strlen (modify_target[j].str); + else if (modify_target[j].add_del == ADD + && ! made_addition && *p == '-') + { + for (r = modify_target[j].str; *r != 0; ) + *q++ = *r++; + made_addition = 1; + } + + *q++ = *p++; + } + + spec_machine = new_name; + } + + if (is_modify_target_name) + break; +#endif + n_switches++; if (SWITCH_TAKES_ARG (c) > (p[1] != 0)) @@ -3080,18 +3434,20 @@ process_command (argc, argv) /* Use 2 as fourth arg meaning try just the machine as a suffix, as well as trying the machine and the version. */ #ifndef OS2 + add_prefix (&exec_prefixes, standard_exec_prefix, "GCC", + PREFIX_PRIORITY_LAST, 1, warn_std_ptr); add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS", - 0, 2, warn_std_ptr); + PREFIX_PRIORITY_LAST, 2, warn_std_ptr); add_prefix (&exec_prefixes, standard_exec_prefix_1, "BINUTILS", - 0, 2, warn_std_ptr); + PREFIX_PRIORITY_LAST, 2, warn_std_ptr); #endif add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS", - 0, 1, warn_std_ptr); + PREFIX_PRIORITY_LAST, 1, warn_std_ptr); add_prefix (&startfile_prefixes, standard_exec_prefix_1, "BINUTILS", - 0, 1, warn_std_ptr); + PREFIX_PRIORITY_LAST, 1, warn_std_ptr); - tooldir_prefix = concat (tooldir_base_prefix, spec_machine, + tooldir_prefix = concat (tooldir_base_prefix, spec_machine, dir_separator_str, NULL_PTR); /* If tooldir is relative, base it on exec_prefixes. A relative @@ -3101,7 +3457,7 @@ process_command (argc, argv) directories, so that we can search both the user specified directory and the standard place. */ - if (!IS_DIR_SEPARATOR (*tooldir_prefix)) + if (!IS_ABSOLUTE_PATHNAME (tooldir_prefix)) { if (gcc_exec_prefix) { @@ -3110,31 +3466,30 @@ process_command (argc, argv) spec_version, dir_separator_str, tooldir_prefix, NULL_PTR); add_prefix (&exec_prefixes, - concat (gcc_exec_tooldir_prefix, "bin", + concat (gcc_exec_tooldir_prefix, "bin", dir_separator_str, NULL_PTR), - NULL_PTR, 0, 0, NULL_PTR); + NULL_PTR, PREFIX_PRIORITY_LAST, 0, NULL_PTR); add_prefix (&startfile_prefixes, - concat (gcc_exec_tooldir_prefix, "lib", + concat (gcc_exec_tooldir_prefix, "lib", dir_separator_str, NULL_PTR), - NULL_PTR, 0, 0, NULL_PTR); + NULL_PTR, PREFIX_PRIORITY_LAST, 0, NULL_PTR); } tooldir_prefix = concat (standard_exec_prefix, spec_machine, - dir_separator_str, spec_version, + dir_separator_str, spec_version, dir_separator_str, tooldir_prefix, NULL_PTR); } - add_prefix (&exec_prefixes, - concat (tooldir_prefix, "bin", dir_separator_str, NULL_PTR), - "BINUTILS", 0, 0, NULL_PTR); + add_prefix (&exec_prefixes, + concat (tooldir_prefix, "bin", dir_separator_str, NULL_PTR), + "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL_PTR); add_prefix (&startfile_prefixes, concat (tooldir_prefix, "lib", dir_separator_str, NULL_PTR), - "BINUTILS", 0, 0, NULL_PTR); + "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL_PTR); /* More prefixes are enabled in main, after we read the specs file and determine whether this is cross-compilation or not. */ - /* Then create the space for the vectors and scan again. */ switches = ((struct switchstr *) @@ -3151,10 +3506,23 @@ process_command (argc, argv) for (i = 1; i < argc; i++) { /* Just skip the switches that were handled by the preceding loop. */ +#ifdef MODIFY_TARGET_NAME + is_modify_target_name = 0; + + for (j = 0; j < sizeof modify_target / sizeof modify_target[0]; j++) + if (! strcmp (argv[i], modify_target[j].sw)) + is_modify_target_name = 1; + + if (is_modify_target_name) + ; + else +#endif if (! strncmp (argv[i], "-Wa,", 4)) ; else if (! strncmp (argv[i], "-Wp,", 4)) ; + else if (! strcmp (argv[i], "-pass-exit-codes")) + ; else if (! strcmp (argv[i], "-print-search-dirs")) ; else if (! strcmp (argv[i], "-print-libgcc-file-name")) @@ -3167,6 +3535,22 @@ process_command (argc, argv) ; else if (! strcmp (argv[i], "-print-multi-directory")) ; + else if (strcmp (argv[i], "-ftarget-help") == 0) + { + /* Create a dummy input file, so that we can pass --target-help on to + the various sub-processes. */ + infiles[n_infiles].language = "c"; + infiles[n_infiles++].name = "target-dummy"; + + /* Preserve the --target-help switch so that it can be caught by + the cc1 spec string. */ + switches[n_switches].part1 = "--target-help"; + switches[n_switches].args = 0; + switches[n_switches].live_cond = SWITCH_OK; + switches[n_switches].validated = 0; + + n_switches++; + } else if (strcmp (argv[i], "-fhelp") == 0) { if (verbose_flag) @@ -3175,14 +3559,14 @@ process_command (argc, argv) the various sub-processes. */ infiles[n_infiles].language = "c"; infiles[n_infiles++].name = "help-dummy"; - + /* Preserve the --help switch so that it can be caught by the cc1 spec string. */ switches[n_switches].part1 = "--help"; switches[n_switches].args = 0; - switches[n_switches].live_cond = 0; + switches[n_switches].live_cond = SWITCH_OK; switches[n_switches].validated = 0; - + n_switches++; } } @@ -3195,7 +3579,7 @@ process_command (argc, argv) -e0 or -e1 down into the linker. */ switches[n_switches].part1 = &argv[i][0]; switches[n_switches].args = 0; - switches[n_switches].live_cond = 0; + switches[n_switches].live_cond = SWITCH_OK; switches[n_switches].validated = 0; n_switches++; } @@ -3230,13 +3614,23 @@ process_command (argc, argv) i++; else if (strncmp (argv[i], "-specs=", 7) == 0) ; - /* -save-temps overrides -pipe, so that temp files are produced */ - else if (save_temps_flag && strcmp (argv[i], "-pipe") == 0) - error ("Warning: -pipe ignored since -save-temps specified"); + else if (strcmp (argv[i], "-time") == 0) + ; + else if ((save_temps_flag || report_times) + && strcmp (argv[i], "-pipe") == 0) + { + /* -save-temps overrides -pipe, so that temp files are produced */ + if (save_temps_flag) + error ("Warning: -pipe ignored because -save-temps specified"); + /* -time overrides -pipe because we can't get correct stats when + multiple children are running at once. */ + else if (report_times) + error ("Warning: -pipe ignored because -time specified"); + } else if (argv[i][0] == '-' && argv[i][1] != 0) { - register char *p = &argv[i][1]; - register int c = *p; + const char *p = &argv[i][1]; + int c = *p; if (c == 'x') { @@ -3271,40 +3665,42 @@ process_command (argc, argv) if (i + n_args >= argc) fatal ("argument to `-%s' is missing", p); switches[n_switches].args - = (char **) xmalloc ((n_args + 1) * sizeof (char *)); + = (const char **) xmalloc ((n_args + 1) * sizeof(const char *)); while (j < n_args) switches[n_switches].args[j++] = argv[++i]; /* Null-terminate the vector. */ switches[n_switches].args[j] = 0; } - else if (index (switches_need_spaces, c)) + else if (strchr (switches_need_spaces, c)) { /* On some systems, ld cannot handle some options without a space. So split the option from its argument. */ char *part1 = (char *) xmalloc (2); + char *tmp; part1[0] = c; part1[1] = '\0'; - + switches[n_switches].part1 = part1; - switches[n_switches].args = (char **) xmalloc (2 * sizeof (char *)); - switches[n_switches].args[0] = xmalloc (strlen (p)); - strcpy (switches[n_switches].args[0], &p[1]); + switches[n_switches].args + = (const char **) xmalloc (2 * sizeof (const char *)); + switches[n_switches].args[0] = tmp = xmalloc (strlen (p)); + strcpy (tmp, &p[1]); switches[n_switches].args[1] = 0; } else switches[n_switches].args = 0; - switches[n_switches].live_cond = 0; + switches[n_switches].live_cond = SWITCH_OK; switches[n_switches].validated = 0; /* This is always valid, since gcc.c itself understands it. */ if (!strcmp (p, "save-temps")) switches[n_switches].validated = 1; - else - { - char ch = switches[n_switches].part1[0]; - if (ch == 'V' || ch == 'b' || ch == 'B') - switches[n_switches].validated = 1; - } + else + { + char ch = switches[n_switches].part1[0]; + if (ch == 'V' || ch == 'b' || ch == 'B') + switches[n_switches].validated = 1; + } n_switches++; } else @@ -3313,7 +3709,7 @@ process_command (argc, argv) argv[i] = convert_filename (argv[i], 0); #endif - if (strcmp (argv[i], "-") != 0 && access (argv[i], R_OK) < 0) + if (strcmp (argv[i], "-") != 0 && access (argv[i], F_OK) < 0) { perror_with_name (argv[i]); error_count++; @@ -3346,6 +3742,7 @@ const char *input_filename; static int input_file_number; size_t input_filename_length; static int basename_length; +static int suffixed_basename_length; static const char *input_basename; static const char *input_suffix; @@ -3530,6 +3927,11 @@ do_spec_1 (spec, inswitch, soft_matched_part) arg_going = 1; break; + case 'B': + obstack_grow (&obstack, input_basename, suffixed_basename_length); + arg_going = 1; + break; + case 'd': delete_this_arg = 2; break; @@ -3551,8 +3953,8 @@ do_spec_1 (spec, inswitch, soft_matched_part) and use them to search for dynamic linking. */ /* Relative directories always come from -B, and it is better not to use them for searching - at run time. In particular, stage1 loses */ - if (!IS_DIR_SEPARATOR (pl->prefix[0])) + at run time. In particular, stage1 loses. */ + if (!IS_ABSOLUTE_PATHNAME (pl->prefix)) continue; #endif /* Try subdirectory if there is one. */ @@ -3648,15 +4050,36 @@ do_spec_1 (spec, inswitch, soft_matched_part) { const char *q = p; char *buf; - while (*p != 0 && *p != '\n') p++; + while (*p != 0 && *p != '\n') + p++; buf = (char *) alloca (p - q + 1); strncpy (buf, q, p - q); buf[p - q] = 0; - error (buf); + error ("%s", buf); return -1; } break; + case 'j': + { + struct stat st; + + /* If save_temps_flag is off, and the HOST_BIT_BUCKET is defined, + and it is not a directory, and it is writable, use it. + Otherwise, fall through and treat this like any other + temporary file. */ + + if ((!save_temps_flag) + && (stat (HOST_BIT_BUCKET, &st) == 0) && (!S_ISDIR (st.st_mode)) + && (access (HOST_BIT_BUCKET, W_OK) == 0)) + { + obstack_grow (&obstack, HOST_BIT_BUCKET, + strlen (HOST_BIT_BUCKET)); + delete_this_arg = 0; + arg_going = 1; + break; + } + } case 'g': case 'u': case 'U': @@ -3667,29 +4090,32 @@ do_spec_1 (spec, inswitch, soft_matched_part) } else { -#ifdef MKTEMP_EACH_FILE - /* ??? This has a problem: the total number of - values mktemp can return is limited. - That matters for the names of object files. - In 2.4, do something about that. */ struct temp_name *t; int suffix_length; const char *suffix = p; + char *saved_suffix = NULL; + while (*p == '.' || ISALPHA ((unsigned char) *p)) + p++; + suffix_length = p - suffix; if (p[0] == '%' && p[1] == 'O') { p += 2; /* We don't support extra suffix characters after %O. */ - if (*p == '.' || ISALPHA ((unsigned char)*p)) + if (*p == '.' || ISALPHA ((unsigned char) *p)) abort (); - suffix = OBJECT_SUFFIX; - suffix_length = strlen (OBJECT_SUFFIX); - } - else - { - while (*p == '.' || ISALPHA ((unsigned char)*p)) - p++; - suffix_length = p - suffix; + if (suffix_length == 0) + suffix = OBJECT_SUFFIX; + else + { + saved_suffix + = (char *) xmalloc (suffix_length + + strlen (OBJECT_SUFFIX)); + strncpy (saved_suffix, suffix, suffix_length); + strcpy (saved_suffix + suffix_length, + OBJECT_SUFFIX); + } + suffix_length += strlen (OBJECT_SUFFIX); } /* See if we already have an association of %g/%u/%U and @@ -3700,8 +4126,8 @@ do_spec_1 (spec, inswitch, soft_matched_part) && t->unique == (c != 'g')) break; - /* Make a new association if needed. %u requires one. */ - if (t == 0 || c == 'u') + /* Make a new association if needed. %u and %j require one. */ + if (t == 0 || c == 'u' || c == 'j') { if (t == 0) { @@ -3718,21 +4144,11 @@ do_spec_1 (spec, inswitch, soft_matched_part) t->filename_length = temp_filename_length; } + if (saved_suffix) + free (saved_suffix); + obstack_grow (&obstack, t->filename, t->filename_length); delete_this_arg = 1; -#else - obstack_grow (&obstack, temp_filename, temp_filename_length); - if (c == 'u' || c == 'U') - { - static int unique; - char buff[9]; - if (c == 'u') - unique++; - sprintf (buff, "%d", unique); - obstack_grow (&obstack, buff, strlen (buff)); - } -#endif - delete_this_arg = 1; } arg_going = 1; break; @@ -3929,7 +4345,7 @@ do_spec_1 (spec, inswitch, soft_matched_part) { char *x = (char *) alloca (strlen (cpp_predefines) + 1); char *buf = x; - char *y; + const char *y; /* Copy all of the -D options in CPP_PREDEFINES into BUF. */ y = cpp_predefines; @@ -3959,10 +4375,16 @@ do_spec_1 (spec, inswitch, soft_matched_part) { char *x = (char *) alloca (strlen (cpp_predefines) * 4 + 1); char *buf = x; - char *y; + const char *y; /* Copy all of CPP_PREDEFINES into BUF, - but put __ after every -D and at the end of each arg. */ + but force them all into the reserved name space if they + aren't already there. The reserved name space is all + identifiers beginning with two underscores or with one + underscore and a capital letter. We do the forcing by + adding up to two underscores to the beginning and end + of each symbol. e.g. mips, _mips, mips_, and _mips_ all + become __mips__. */ y = cpp_predefines; while (*y != 0) { @@ -3974,11 +4396,12 @@ do_spec_1 (spec, inswitch, soft_matched_part) *x++ = *y++; if (*y != '_' - || (*(y+1) != '_' - && ! ISUPPER ((unsigned char)*(y+1)))) - { + || (*(y + 1) != '_' + && ! ISUPPER ((unsigned char) *(y + 1)))) + { /* Stick __ at front of macro name. */ - *x++ = '_'; + if (*y != '_') + *x++ = '_'; *x++ = '_'; /* Arrange to stick __ at the end as well. */ flag = 1; @@ -3989,9 +4412,13 @@ do_spec_1 (spec, inswitch, soft_matched_part) *x++ = *y++; if (flag) - { - *x++ = '_'; - *x++ = '_'; + { + if (x[-1] != '_') + { + if (x[-2] != '_') + *x++ = '_'; + *x++ = '_'; + } } /* Copy the value given, if any. */ @@ -4017,13 +4444,14 @@ do_spec_1 (spec, inswitch, soft_matched_part) y += 2; if (*y != '_' - || (*(y+1) != '_' - && ! ISUPPER ((unsigned char)*(y+1)))) - { + || (*(y + 1) != '_' + && ! ISUPPER ((unsigned char) *(y + 1)))) + { /* Stick -D__ at front of macro name. */ *x++ = '-'; *x++ = 'D'; - *x++ = '_'; + if (*y != '_') + *x++ = '_'; *x++ = '_'; /* Copy the macro name. */ @@ -4044,7 +4472,7 @@ do_spec_1 (spec, inswitch, soft_matched_part) else if (*y == ' ' || *y == '\t') /* Copy whitespace to the result. */ *x++ = *y++; - /* Don't copy -A options */ + /* Don't copy -A options. */ else y++; } @@ -4093,8 +4521,16 @@ do_spec_1 (spec, inswitch, soft_matched_part) break; case '*': - do_spec_1 (soft_matched_part, 1, NULL_PTR); - do_spec_1 (" ", 0, NULL_PTR); + if (soft_matched_part) + { + do_spec_1 (soft_matched_part, 1, NULL_PTR); + do_spec_1 (" ", 0, NULL_PTR); + } + else + /* Catch the case where a spec string contains something like + '%{foo:%*}'. ie there is no * in the pattern on the left + hand side of the :. */ + error ("Spec failure: '%%*' has not been initialised by pattern match"); break; /* Process a string found as the value of a spec given by name. @@ -4115,7 +4551,7 @@ do_spec_1 (spec, inswitch, soft_matched_part) while (*p && *p != ')' && *p != ']') p++; - /* See if it's in the list */ + /* See if it's in the list. */ for (len = p - name, sl = specs; sl; sl = sl->next) if (sl->name_len == len && !strncmp (sl->name, name, len)) { @@ -4143,7 +4579,7 @@ do_spec_1 (spec, inswitch, soft_matched_part) int flag = 0; /* Copy all of NAME into BUF, but put __ after - every -D and at the end of each arg, */ + every -D and at the end of each arg. */ while (1) { if (! strncmp (y, "-D", 2)) @@ -4156,14 +4592,15 @@ do_spec_1 (spec, inswitch, soft_matched_part) flag = 1; continue; } - else if (flag && (*y == ' ' || *y == '\t' || *y == '=' - || *y == '}' || *y == 0)) + else if (flag + && (*y == ' ' || *y == '\t' || *y == '=' + || *y == '}' || *y == 0)) { *x++ = '_'; *x++ = '_'; flag = 0; } - if (*y == 0) + if (*y == 0) break; else *x++ = *y++; @@ -4185,8 +4622,9 @@ do_spec_1 (spec, inswitch, soft_matched_part) case 'v': { int c1 = *p++; /* Select first or second version number. */ - char *v = compiler_version; - char *q; + const char *v = compiler_version; + const char *q; + static const char zeroc = '0'; /* The format of the version string is ([^0-9]*-)?[0-9]+[.][0-9]+([.][0-9]+)?([- ].*)? */ @@ -4198,7 +4636,7 @@ do_spec_1 (spec, inswitch, soft_matched_part) abort (); /* If desired, advance to second version number. */ - if (c1 == '2') + if (c1 >= '2') { /* Set V after the first period. */ while (ISDIGIT (*v)) @@ -4208,15 +4646,32 @@ do_spec_1 (spec, inswitch, soft_matched_part) v++; } + /* If desired, advance to third version number. + But don't complain if it's not present */ + if (c1 == '3') + { + /* Set V after the second period. */ + while (ISDIGIT (*v)) + v++; + if ((*v != 0) && (*v != ' ') && (*v != '.') && (*v != '-')) + abort (); + if (*v != 0) + v++; + } + /* Set Q at the next period or at the end. */ q = v; while (ISDIGIT (*q)) q++; - if (*q != 0 && *q != ' ' && *q != '.' && *q != '-') + if (*q != 0 && q > v && *q != ' ' && *q != '.' && *q != '-') abort (); - /* Put that part into the command. */ - obstack_grow (&obstack, v, q - v); + if (q > v) + /* Put that part into the command. */ + obstack_grow (&obstack, v, q - v); + else + /* Default to "0" */ + obstack_grow (&obstack, &zeroc, 1); arg_going = 1; } break; @@ -4227,7 +4682,8 @@ do_spec_1 (spec, inswitch, soft_matched_part) break; default: - abort (); + error ("Spec failure: Unrecognised spec option '%c'", c); + break; } break; @@ -4242,7 +4698,8 @@ do_spec_1 (spec, inswitch, soft_matched_part) arg_going = 1; } - return 0; /* End of string */ + /* End of string. */ + return 0; } /* Return 0 if we call do_spec_1 and that returns -1. */ @@ -4253,19 +4710,35 @@ handle_braces (p) { const char *filter, *body = NULL, *endbody = NULL; int pipe_p = 0; + int true_once = 0; /* If, in %{a|b:d}, at least one of a,b was seen. */ int negate; int suffix; int include_blanks = 1; + int elide_switch = 0; if (*p == '^') - /* A '^' after the open-brace means to not give blanks before args. */ - include_blanks = 0, ++p; + { + /* A '^' after the open-brace means to not give blanks before args. */ + include_blanks = 0; + ++p; + } if (*p == '|') - /* A `|' after the open-brace means, - if the test fails, output a single minus sign rather than nothing. - This is used in %{|!pipe:...}. */ - pipe_p = 1, ++p; + { + /* A `|' after the open-brace means, + if the test fails, output a single minus sign rather than nothing. + This is used in %{|!pipe:...}. */ + pipe_p = 1; + ++p; + } + + if (*p == '<') + { + /* A `<' after the open-brace means that the switch should be + removed from the command-line. */ + elide_switch = 1; + ++p; + } next_member: negate = suffix = 0; @@ -4285,8 +4758,16 @@ next_member: ++p; } + if (elide_switch && (negate || pipe_p || suffix)) + { + /* It doesn't make sense to mix elision with other flags. We + could fatal() here, but the standard seems to be to abort. */ + abort (); + } + filter = p; - while (*p != ':' && *p != '}' && *p != '|') p++; + while (*p != ':' && *p != '}' && *p != '|') + p++; if (*p == '|' && pipe_p) abort (); @@ -4294,33 +4775,34 @@ next_member: if (!body) { if (*p != '}') - { + { register int count = 1; register const char *q = p; - while (*q++ != ':') continue; + while (*q++ != ':') + continue; body = q; - + while (count > 0) { if (*q == '{') - count++; + count++; else if (*q == '}') - count--; + count--; else if (*q == 0) - abort (); + abort (); q++; } endbody = q; } else - body = p, endbody = p+1; + body = p, endbody = p + 1; } if (suffix) { int found = (input_suffix != 0 - && (long) strlen (input_suffix) == (long)(p - filter) + && (long) strlen (input_suffix) == (long) (p - filter) && strncmp (input_suffix, filter, p - filter) == 0); if (body[0] == '}') @@ -4399,6 +4881,7 @@ next_member: && check_live_switch (i, hard_match_len)) { present = 1; + break; } } } @@ -4422,16 +4905,18 @@ next_member: conditional text. */ if (present != negate) { - if (*p == '}') + if (elide_switch) { - give_switch (i, 0, include_blanks); + switches[i].live_cond = SWITCH_IGNORE; + switches[i].validated = 1; } - else + else if (*p == '}') { - if (do_spec_1 (save_string (body, endbody - body - 1), - 0, NULL_PTR) < 0) - return 0; + give_switch (i, 0, include_blanks); } + else + /* Even if many alternatives are matched, only output once. */ + true_once = 1; } else if (pipe_p) { @@ -4446,6 +4931,14 @@ next_member: if (*p++ == '|') goto next_member; + /* Process the spec just once, regardless of match count. */ + if (true_once) + { + if (do_spec_1 (save_string (body, endbody - body - 1), + 0, NULL_PTR) < 0) + return 0; + } + return endbody; } @@ -4480,13 +4973,13 @@ check_live_switch (switchnum, prefix_length) switch (*name) { case 'O': - for (i = switchnum + 1; i < n_switches; i++) - if (switches[i].part1[0] == 'O') - { - switches[switchnum].validated = 1; - switches[switchnum].live_cond = -1; - return 0; - } + for (i = switchnum + 1; i < n_switches; i++) + if (switches[i].part1[0] == 'O') + { + switches[switchnum].validated = 1; + switches[switchnum].live_cond = SWITCH_FALSE; + return 0; + } break; case 'W': case 'f': case 'm': @@ -4496,11 +4989,11 @@ check_live_switch (switchnum, prefix_length) for (i = switchnum + 1; i < n_switches; i++) if (switches[i].part1[0] == name[0] && ! strcmp (&switches[i].part1[1], &name[4])) - { - switches[switchnum].validated = 1; - switches[switchnum].live_cond = -1; - return 0; - } + { + switches[switchnum].validated = 1; + switches[switchnum].live_cond = SWITCH_FALSE; + return 0; + } } else { @@ -4511,17 +5004,17 @@ check_live_switch (switchnum, prefix_length) && switches[i].part1[2] == 'o' && switches[i].part1[3] == '-' && !strcmp (&switches[i].part1[4], &name[1])) - { - switches[switchnum].validated = 1; - switches[switchnum].live_cond = -1; - return 0; - } + { + switches[switchnum].validated = 1; + switches[switchnum].live_cond = SWITCH_FALSE; + return 0; + } } break; } /* Otherwise the switch is live. */ - switches[switchnum].live_cond = 1; + switches[switchnum].live_cond = SWITCH_LIVE; return 1; } @@ -4542,6 +5035,9 @@ give_switch (switchnum, omit_first_word, include_blanks) int omit_first_word; int include_blanks; { + if (switches[switchnum].live_cond == SWITCH_IGNORE) + return; + if (!omit_first_word) { do_spec_1 ("-", 0, NULL_PTR); @@ -4550,7 +5046,7 @@ give_switch (switchnum, omit_first_word, include_blanks) if (switches[switchnum].args != 0) { - char **p; + const char **p; for (p = switches[switchnum].args; *p; p++) { if (include_blanks) @@ -4631,16 +5127,54 @@ is_directory (path1, path2, linker) /* Exclude directories that the linker is known to search. */ if (linker && ((cp - path == 6 - && strcmp (path, concat (dir_separator_str, "lib", + && strcmp (path, concat (dir_separator_str, "lib", dir_separator_str, ".", NULL_PTR)) == 0) || (cp - path == 10 - && strcmp (path, concat (dir_separator_str, "usr", - dir_separator_str, "lib", + && strcmp (path, concat (dir_separator_str, "usr", + dir_separator_str, "lib", dir_separator_str, ".", NULL_PTR)) == 0))) return 0; return (stat (path, &st) >= 0 && S_ISDIR (st.st_mode)); } + +/* Set up the various global variables to indicate that we're processing + the input file named FILENAME. */ + +static void +set_input (filename) + const char *filename; +{ + register const char *p; + + input_filename = filename; + input_filename_length = strlen (input_filename); + + input_basename = input_filename; +#ifdef HAVE_DOS_BASED_FILE_SYSTEM + /* Skip drive name so 'x:foo' is handled properly. */ + if (input_basename[1] == ':') + input_basename += 2; +#endif + for (p = input_basename; *p; p++) + if (IS_DIR_SEPARATOR (*p)) + input_basename = p + 1; + + /* Find a suffix starting with the last period, + and set basename_length to exclude that suffix. */ + basename_length = strlen (input_basename); + suffixed_basename_length = basename_length; + p = input_basename + basename_length; + while (p != input_basename && *p != '.') + --p; + if (*p == '.' && p != input_basename) + { + basename_length = p - input_basename; + input_suffix = p + 1; + } + else + input_suffix = ""; +} /* On fatal signals, delete all the temporary files. */ @@ -4656,13 +5190,14 @@ fatal_error (signum) kill (getpid (), signum); } +extern int main PARAMS ((int, const char *const *)); + int main (argc, argv) int argc; - char **argv; + const char *const *argv; { - register size_t i; - size_t j; + size_t i; int value; int linker_was_run = 0; char *explicit_link_files; @@ -4675,6 +5210,11 @@ main (argc, argv) --p; programname = p; +#ifdef GCC_DRIVER_HOST_INITIALIZATION + /* Perform host dependant initialization when needed. */ + GCC_DRIVER_HOST_INITIALIZATION; +#endif + #ifdef HAVE_LC_MESSAGES setlocale (LC_MESSAGES, ""); #endif @@ -4695,14 +5235,14 @@ main (argc, argv) #endif argbuf_length = 10; - argbuf = (char **) xmalloc (argbuf_length * sizeof (char *)); + argbuf = (const char **) xmalloc (argbuf_length * sizeof (const char *)); obstack_init (&obstack); /* Build multilib_select, et. al from the separate lines that make up each multilib selection. */ { - char **q = multilib_raw; + const char *const *q = multilib_raw; int need_space; obstack_init (&multilib_obstack); @@ -4719,10 +5259,15 @@ main (argc, argv) obstack_1grow (&multilib_obstack, 0); multilib_matches = obstack_finish (&multilib_obstack); + q = multilib_exclusions_raw; + while ((p = *q++) != (char *) 0) + obstack_grow (&multilib_obstack, p, strlen (p)); + + obstack_1grow (&multilib_obstack, 0); + multilib_exclusions = obstack_finish (&multilib_obstack); + need_space = FALSE; - for (i = 0; - i < sizeof (multilib_defaults_raw) / sizeof (multilib_defaults_raw[0]); - i++) + for (i = 0; i < ARRAY_SIZE (multilib_defaults_raw); i++) { if (need_space) obstack_1grow (&multilib_obstack, ' '); @@ -4740,8 +5285,8 @@ main (argc, argv) needed for collect. We use argv[0] instead of programname because we need the complete pathname. */ obstack_init (&collect_obstack); - obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=")-1); - obstack_grow (&collect_obstack, argv[0], strlen (argv[0])+1); + obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=") - 1); + obstack_grow (&collect_obstack, argv[0], strlen (argv[0]) + 1); putenv (obstack_finish (&collect_obstack)); #ifdef INIT_ENVIRONMENT @@ -4749,13 +5294,6 @@ main (argc, argv) putenv (INIT_ENVIRONMENT); #endif - /* Choose directory for temp files. */ - -#ifndef MKTEMP_EACH_FILE - temp_filename = choose_temp_base (); - temp_filename_length = strlen (temp_filename); -#endif - /* Make a table of what switches there are (switches, n_switches). Make a table of specified input files (infiles, n_infiles). Decode switches that are handled locally. */ @@ -4768,35 +5306,35 @@ main (argc, argv) /* Build COLLECT_GCC_OPTIONS to have all of the options specified to the compiler. */ obstack_grow (&collect_obstack, "COLLECT_GCC_OPTIONS=", - sizeof ("COLLECT_GCC_OPTIONS=")-1); + sizeof ("COLLECT_GCC_OPTIONS=") - 1); first_time = TRUE; - for (i = 0; (int)i < n_switches; i++) + for (i = 0; (int) i < n_switches; i++) { - char **args; + const char *const *args; const char *p, *q; if (!first_time) obstack_grow (&collect_obstack, " ", 1); first_time = FALSE; obstack_grow (&collect_obstack, "'-", 2); - q = switches[i].part1; - while ((p = index (q,'\''))) - { - obstack_grow (&collect_obstack, q, p-q); - obstack_grow (&collect_obstack, "'\\''", 4); - q = ++p; - } - obstack_grow (&collect_obstack, q, strlen (q)); + q = switches[i].part1; + while ((p = strchr (q, '\''))) + { + obstack_grow (&collect_obstack, q, p - q); + obstack_grow (&collect_obstack, "'\\''", 4); + q = ++p; + } + obstack_grow (&collect_obstack, q, strlen (q)); obstack_grow (&collect_obstack, "'", 1); for (args = switches[i].args; args && *args; args++) { obstack_grow (&collect_obstack, " '", 2); q = *args; - while ((p = index (q,'\''))) + while ((p = strchr (q, '\''))) { - obstack_grow (&collect_obstack, q, p-q); + obstack_grow (&collect_obstack, q, p - q); obstack_grow (&collect_obstack, "'\\''", 4); q = ++p; } @@ -4812,8 +5350,8 @@ main (argc, argv) This means one element containing 0s, as a terminator. */ compilers = (struct compiler *) xmalloc (sizeof default_compilers); - bcopy ((char *) default_compilers, (char *) compilers, - sizeof default_compilers); + memcpy ((char *) compilers, (char *) default_compilers, + sizeof default_compilers); n_compilers = n_default_compilers; /* Read specs from a file if there is one. */ @@ -4830,7 +5368,7 @@ main (argc, argv) init_spec (); /* We need to check standard_exec_prefix/just_machine_suffix/specs - for any override of as, ld and libraries. */ + for any override of as, ld and libraries. */ specs_file = (char *) alloca (strlen (standard_exec_prefix) + strlen (just_machine_suffix) + sizeof ("specs")); @@ -4840,68 +5378,64 @@ main (argc, argv) strcat (specs_file, "specs"); if (access (specs_file, R_OK) == 0) read_specs (specs_file, TRUE); - + /* If not cross-compiling, look for startfiles in the standard places. */ if (*cross_compile == '0') { -#ifdef MD_EXEC_PREFIX - add_prefix (&exec_prefixes, md_exec_prefix, "GCC", 0, 0, NULL_PTR); - add_prefix (&startfile_prefixes, md_exec_prefix, "GCC", 0, 0, NULL_PTR); -#endif + if (*md_exec_prefix) + { + add_prefix (&exec_prefixes, md_exec_prefix, "GCC", + PREFIX_PRIORITY_LAST, 0, NULL_PTR); + add_prefix (&startfile_prefixes, md_exec_prefix, "GCC", + PREFIX_PRIORITY_LAST, 0, NULL_PTR); + } -#ifdef MD_STARTFILE_PREFIX - add_prefix (&startfile_prefixes, md_startfile_prefix, "GCC", - 0, 0, NULL_PTR); -#endif + if (*md_startfile_prefix) + add_prefix (&startfile_prefixes, md_startfile_prefix, "GCC", + PREFIX_PRIORITY_LAST, 0, NULL_PTR); -#ifdef MD_STARTFILE_PREFIX_1 - add_prefix (&startfile_prefixes, md_startfile_prefix_1, "GCC", - 0, 0, NULL_PTR); -#endif + if (*md_startfile_prefix_1) + add_prefix (&startfile_prefixes, md_startfile_prefix_1, "GCC", + PREFIX_PRIORITY_LAST, 0, NULL_PTR); /* If standard_startfile_prefix is relative, base it on standard_exec_prefix. This lets us move the installed tree as a unit. If GCC_EXEC_PREFIX is defined, base standard_startfile_prefix on that as well. */ - if (IS_DIR_SEPARATOR (*standard_startfile_prefix) - || *standard_startfile_prefix == '$' -#ifdef HAVE_DOS_BASED_FILESYSTEM - /* Check for disk name on MS-DOS-based systems. */ - || (standard_startfile_prefix[1] == ':' - && (IS_DIR_SEPARATOR (standard_startfile_prefix[2]))) -#endif - ) + if (IS_ABSOLUTE_PATHNAME (standard_startfile_prefix)) add_prefix (&startfile_prefixes, standard_startfile_prefix, "BINUTILS", - 0, 0, NULL_PTR); + PREFIX_PRIORITY_LAST, 0, NULL_PTR); else { if (gcc_exec_prefix) add_prefix (&startfile_prefixes, concat (gcc_exec_prefix, machine_suffix, standard_startfile_prefix, NULL_PTR), - NULL_PTR, 0, 0, NULL_PTR); + NULL_PTR, PREFIX_PRIORITY_LAST, 0, NULL_PTR); add_prefix (&startfile_prefixes, concat (standard_exec_prefix, machine_suffix, standard_startfile_prefix, NULL_PTR), - NULL_PTR, 0, 0, NULL_PTR); - } + NULL_PTR, PREFIX_PRIORITY_LAST, 0, NULL_PTR); + } add_prefix (&startfile_prefixes, standard_startfile_prefix_1, - "BINUTILS", 0, 0, NULL_PTR); + "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL_PTR); add_prefix (&startfile_prefixes, standard_startfile_prefix_2, - "BINUTILS", 0, 0, NULL_PTR); + "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL_PTR); #if 0 /* Can cause surprises, and one can use -B./ instead. */ - add_prefix (&startfile_prefixes, "./", NULL_PTR, 0, 1, NULL_PTR); + add_prefix (&startfile_prefixes, "./", NULL_PTR, + PREFIX_PRIORITY_LAST, 1, NULL_PTR); #endif } else { - if (!IS_DIR_SEPARATOR (*standard_startfile_prefix) && gcc_exec_prefix) + if (!IS_ABSOLUTE_PATHNAME (standard_startfile_prefix) + && gcc_exec_prefix) add_prefix (&startfile_prefixes, concat (gcc_exec_prefix, machine_suffix, standard_startfile_prefix, NULL_PTR), - "BINUTILS", 0, 0, NULL_PTR); + "BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL_PTR); } /* Process any user specified specs in the order given on the command @@ -4915,9 +5449,9 @@ main (argc, argv) /* If we have a GCC_EXEC_PREFIX envvar, modify it for cpp's sake. */ if (gcc_exec_prefix) { - char * temp = (char *) xmalloc (strlen (gcc_exec_prefix) - + strlen (spec_version) - + strlen (spec_machine) + 3); + char *temp = (char *) xmalloc (strlen (gcc_exec_prefix) + + strlen (spec_version) + + strlen (spec_machine) + 3); strcpy (temp, gcc_exec_prefix); strcat (temp, spec_machine); strcat (temp, dir_separator_str); @@ -4937,7 +5471,7 @@ main (argc, argv) /* Warn about any switches that no pass was interested in. */ - for (i = 0; (int)i < n_switches; i++) + for (i = 0; (int) i < n_switches; i++) if (! switches[i].validated) error ("unrecognized option `-%s'", switches[i].part1); @@ -4945,29 +5479,29 @@ main (argc, argv) if (print_search_dirs) { - printf ("install: %s%s\n", standard_exec_prefix, machine_suffix); - printf ("programs: %s\n", build_search_list (&exec_prefixes, "", 0)); - printf ("libraries: %s\n", build_search_list (&startfile_prefixes, "", 0)); - exit (0); + printf (_("install: %s%s\n"), standard_exec_prefix, machine_suffix); + printf (_("programs: %s\n"), build_search_list (&exec_prefixes, "", 0)); + printf (_("libraries: %s\n"), build_search_list (&startfile_prefixes, "", 0)); + return (0); } if (print_file_name) { printf ("%s\n", find_file (print_file_name)); - exit (0); + return (0); } if (print_prog_name) { char *newname = find_a_file (&exec_prefixes, print_prog_name, X_OK); printf ("%s\n", (newname ? newname : print_prog_name)); - exit (0); + return (0); } if (print_multi_lib) { print_multilib_info (); - exit (0); + return (0); } if (print_multi_directory) @@ -4976,7 +5510,17 @@ main (argc, argv) printf (".\n"); else printf ("%s\n", multilib_dir); - exit (0); + return (0); + } + + if (target_help_flag) + { + /* Print if any target specific options.*/ + + /* We do not exit here. Instead we have created a fake input file + called 'target-dummy' which needs to be compiled, and we pass this + on to the various sub-processes, along with the --target-help + switch. */ } if (print_help_list) @@ -4985,21 +5529,23 @@ main (argc, argv) if (! verbose_flag) { - printf ("\nFor bug reporting instructions, please see:\n"); - printf (".\n"); - - exit (0); + printf (_("\nFor bug reporting instructions, please see:\n")); + printf ("%s.\n", GCCBUGURL); + + return (0); } /* We do not exit here. Instead we have created a fake input file called 'help-dummy' which needs to be compiled, and we pass this on the the various sub-processes, along with the --help switch. */ } - + if (verbose_flag) { int n; + notice ("Configured with: %s\n", configuration_arguments); + /* compiler_version is truncated at the first space when initialized from version string, so truncate version_string at the first space before comparing. */ @@ -5015,7 +5561,7 @@ main (argc, argv) version_string, compiler_version); if (n_infiles == 0) - exit (0); + return (0); } if (n_infiles == added_libraries) @@ -5026,24 +5572,21 @@ main (argc, argv) i = n_infiles; i += lang_specific_extra_outfiles; - outfiles = (const char **) xmalloc (i * sizeof (char *)); - bzero ((char *) outfiles, i * sizeof (char *)); + outfiles = (const char **) xcalloc (i, sizeof (char *)); /* Record which files were specified explicitly as link input. */ - explicit_link_files = xmalloc (n_infiles); - bzero (explicit_link_files, n_infiles); + explicit_link_files = xcalloc (1, n_infiles); - for (i = 0; (int)i < n_infiles; i++) + for (i = 0; (int) i < n_infiles; i++) { register struct compiler *cp = 0; int this_file_error = 0; /* Tell do_spec what to substitute for %i. */ - input_filename = infiles[i].name; - input_filename_length = strlen (input_filename); input_file_number = i; + set_input (infiles[i].name); /* Use the same thing in %o, unless cp->spec says otherwise. */ @@ -5057,51 +5600,11 @@ main (argc, argv) if (cp) { /* Ok, we found an applicable compiler. Run its spec. */ - /* First say how much of input_filename to substitute for %b */ - register const char *p; - int len; - if (cp->spec[0][0] == '#') + if (cp->spec[0] == '#') error ("%s: %s compiler not installed on this system", - input_filename, &cp->spec[0][1]); - - input_basename = input_filename; - for (p = input_filename; *p; p++) - if (IS_DIR_SEPARATOR (*p)) - input_basename = p + 1; - - /* Find a suffix starting with the last period, - and set basename_length to exclude that suffix. */ - basename_length = strlen (input_basename); - p = input_basename + basename_length; - while (p != input_basename && *p != '.') --p; - if (*p == '.' && p != input_basename) - { - basename_length = p - input_basename; - input_suffix = p + 1; - } - else - input_suffix = ""; - - len = 0; - for (j = 0; j < sizeof cp->spec / sizeof cp->spec[0]; j++) - if (cp->spec[j]) - len += strlen (cp->spec[j]); - - { - char *p1 = (char *) xmalloc (len + 1); - - len = 0; - for (j = 0; j < sizeof cp->spec / sizeof cp->spec[0]; j++) - if (cp->spec[j]) - { - strcpy (p1 + len, cp->spec[j]); - len += strlen (cp->spec[j]); - } - - value = do_spec (p1); - free (p1); - } + input_filename, &cp->spec[1]); + value = do_spec (cp->spec); if (value < 0) this_file_error = 1; } @@ -5124,6 +5627,12 @@ main (argc, argv) clear_failure_queue (); } + /* Reset the output file name to the first input file name, for use + with %b in LINK_SPEC on a target that prefers not to emit a.out + by default. */ + if (n_infiles > 0) + set_input (infiles[0].name); + if (error_count == 0) { /* Make sure INPUT_FILE_NUMBER points to first available open @@ -5139,7 +5648,7 @@ main (argc, argv) { int tmp = execution_count; - /* We'll use ld if we can't find collect2. */ + /* We'll use ld if we can't find collect2. */ if (! strcmp (linker_name_spec, "collect2")) { char *s = find_a_file (&exec_prefixes, "collect2", X_OK); @@ -5148,8 +5657,8 @@ main (argc, argv) } /* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables for collect. */ - putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH="); - putenv_from_prefixes (&startfile_prefixes, "LIBRARY_PATH="); + putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH"); + putenv_from_prefixes (&startfile_prefixes, LIBRARY_PATH_ENV); value = do_spec (link_command_spec); if (value < 0) @@ -5157,17 +5666,13 @@ main (argc, argv) linker_was_run = (tmp != execution_count); } - /* Warn if a -B option was specified but the prefix was never used. */ - unused_prefix_warnings (&exec_prefixes); - unused_prefix_warnings (&startfile_prefixes); - /* If options said don't run linker, complain about input files to be given to the linker. */ if (! linker_was_run && error_count == 0) - for (i = 0; (int)i < n_infiles; i++) + for (i = 0; (int) i < n_infiles; i++) if (explicit_link_files[i]) - error ("%s: linker input file unused since linking not done", + error ("%s: linker input file unused because linking not done", outfiles[i]); /* Delete some or all of the temporary files we made. */ @@ -5178,13 +5683,13 @@ main (argc, argv) if (print_help_list) { - printf ("\nFor bug reporting instructions, please see:\n"); - printf ("\n"); + printf (("\nFor bug reporting instructions, please see:\n")); + printf ("%s\n", GCCBUGURL); } - - exit (error_count > 0 ? (signal_count ? 2 : 1) : 0); - /* NOTREACHED */ - return 0; + + return (signal_count != 0 ? 2 + : error_count > 0 ? (pass_exit_codes ? greatest_status : 1) + : 0); } /* Find the proper compilation spec for the file name NAME, @@ -5199,7 +5704,7 @@ lookup_compiler (name, length, language) { struct compiler *cp; - /* If this was specified by the user to be a linker input, indicate that. */ + /* If this was specified by the user to be a linker input, indicate that. */ if (language != 0 && language[0] == '*') return 0; @@ -5221,75 +5726,53 @@ lookup_compiler (name, length, language) (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) || (strlen (cp->suffix) < length /* See if the suffix matches the end of NAME. */ -#ifdef OS2 - && ((!strcmp (cp->suffix, - name + length - strlen (cp->suffix)) - || !strpbrk (cp->suffix, "ABCDEFGHIJKLMNOPQRSTUVWXYZ")) - && !strcasecmp (cp->suffix, - name + length - strlen (cp->suffix))) -#else && !strcmp (cp->suffix, name + length - strlen (cp->suffix)) -#endif )) - { - if (cp->spec[0][0] == '@') - { - struct compiler *new; - - /* An alias entry maps a suffix to a language. - Search for the language; pass 0 for NAME and LENGTH - to avoid infinite recursion if language not found. - Construct the new compiler spec. */ - language = cp->spec[0] + 1; - new = (struct compiler *) xmalloc (sizeof (struct compiler)); - new->suffix = cp->suffix; - bcopy ((char *) lookup_compiler (NULL_PTR, 0, language)->spec, - (char *) new->spec, sizeof new->spec); - return new; - } - - /* A non-alias entry: return it. */ - return cp; - } + break; } +#if defined (OS2) ||defined (HAVE_DOS_BASED_FILE_SYSTEM) + /* look again, but case-insensitively this time. */ + if (cp < compilers) + for (cp = compilers + n_compilers - 1; cp >= compilers; cp--) + { + if (/* The suffix `-' matches only the file name `-'. */ + (!strcmp (cp->suffix, "-") && !strcmp (name, "-")) + || (strlen (cp->suffix) < length + /* See if the suffix matches the end of NAME. */ + && ((!strcmp (cp->suffix, + name + length - strlen (cp->suffix)) + || !strpbrk (cp->suffix, "ABCDEFGHIJKLMNOPQRSTUVWXYZ")) + && !strcasecmp (cp->suffix, + name + length - strlen (cp->suffix))) + )) + break; + } +#endif + + if (cp >= compilers) + { + if (cp->spec[0] != '@') + /* A non-alias entry: return it. */ + return cp; + + /* An alias entry maps a suffix to a language. + Search for the language; pass 0 for NAME and LENGTH + to avoid infinite recursion if language not found. */ + return lookup_compiler (NULL_PTR, 0, cp->spec + 1); + } return 0; } -PTR -xmalloc (size) - size_t size; -{ - register PTR value = (PTR) malloc (size); - if (value == 0) - fatal ("virtual memory exhausted"); - return value; -} - -PTR -xrealloc (old, size) - PTR old; - size_t size; -{ - register PTR ptr; - if (old) - ptr = (PTR) realloc (old, size); - else - ptr = (PTR) malloc (size); - if (ptr == 0) - fatal ("virtual memory exhausted"); - return ptr; -} - static char * save_string (s, len) - const char *s; - int len; + const char *s; + int len; { register char *result = xmalloc (len + 1); - bcopy (s, result, len); + memcpy (result, s, len); result[len] = 0; return result; } @@ -5330,8 +5813,7 @@ pfatal_pexecute (errmsg_fmt, errmsg_arg) pfatal_with_name (errmsg_fmt); } -/* More 'friendly' abort that prints the line and file. - config.h can #define abort fancy_abort if you like that sort of thing. */ +/* Output an error message and exit */ void fancy_abort () @@ -5341,8 +5823,8 @@ fancy_abort () /* Output an error message and exit */ -static void -fatal VPROTO((const char *msgid, ...)) +void +fatal VPARAMS ((const char *msgid, ...)) { #ifndef ANSI_PROTOTYPES const char *msgid; @@ -5364,7 +5846,7 @@ fatal VPROTO((const char *msgid, ...)) } static void -error VPROTO((const char *msgid, ...)) +error VPARAMS ((const char *msgid, ...)) { #ifndef ANSI_PROTOTYPES const char *msgid; @@ -5385,7 +5867,7 @@ error VPROTO((const char *msgid, ...)) } static void -notice VPROTO((const char *msgid, ...)) +notice VPARAMS ((const char *msgid, ...)) { #ifndef ANSI_PROTOTYPES const char *msgid; @@ -5401,7 +5883,6 @@ notice VPROTO((const char *msgid, ...)) vfprintf (stderr, _(msgid), ap); va_end (ap); } - static void validate_all_switches () @@ -5411,21 +5892,17 @@ validate_all_switches () register char c; struct spec_list *spec; - for (comp = compilers; comp->spec[0]; comp++) + for (comp = compilers; comp->spec; comp++) { - size_t i; - for (i = 0; i < sizeof comp->spec / sizeof comp->spec[0] && comp->spec[i]; i++) - { - p = comp->spec[i]; - while ((c = *p++)) - if (c == '%' && *p == '{') - /* We have a switch spec. */ - validate_switches (p + 1); - } + p = comp->spec; + while ((c = *p++)) + if (c == '%' && *p == '{') + /* We have a switch spec. */ + validate_switches (p + 1); } - /* look through the linked list of specs read from the specs file */ - for (spec = specs; spec ; spec = spec->next) + /* Look through the linked list of specs read from the specs file. */ + for (spec = specs; spec; spec = spec->next) { p = *(spec->ptr_spec); while ((c = *p++)) @@ -5451,28 +5928,30 @@ validate_switches (start) register const char *p = start; const char *filter; register int i; - int suffix = 0; + int suffix; if (*p == '|') ++p; +next_member: if (*p == '!') ++p; + suffix = 0; if (*p == '.') suffix = 1, ++p; filter = p; - while (*p != ':' && *p != '}') p++; + while (*p != ':' && *p != '}' && *p != '|') + p++; if (suffix) ; else if (p[-1] == '*') { /* Mark all matching switches as valid. */ - --p; for (i = 0; i < n_switches; i++) - if (!strncmp (switches[i].part1, filter, p - filter)) + if (!strncmp (switches[i].part1, filter, p - filter - 1)) switches[i].validated = 1; } else @@ -5485,6 +5964,9 @@ validate_switches (start) switches[i].validated = 1; } } + + if (*p++ == '|') + goto next_member; } /* Check whether a particular argument was used. The first time we @@ -5495,9 +5977,10 @@ used_arg (p, len) const char *p; int len; { - struct mswitchstr { - char *str; - char *replace; + struct mswitchstr + { + const char *str; + const char *replace; int len; int rep_len; }; @@ -5509,16 +5992,17 @@ used_arg (p, len) if (!mswitches) { struct mswitchstr *matches; - char *q; + const char *q; int cnt = 0; - /* Break multilib_matches into the component strings of string and replacement - string */ + /* Break multilib_matches into the component strings of string + and replacement string. */ for (q = multilib_matches; *q != '\0'; q++) if (*q == ';') cnt++; - matches = (struct mswitchstr *) alloca ((sizeof (struct mswitchstr)) * cnt); + matches = + (struct mswitchstr *) alloca ((sizeof (struct mswitchstr)) * cnt); i = 0; q = multilib_matches; while (*q != '\0') @@ -5530,7 +6014,6 @@ used_arg (p, len) abort (); q++; } - *q = '\0'; matches[i].len = q - matches[i].str; matches[i].replace = ++q; @@ -5543,9 +6026,7 @@ used_arg (p, len) matches[i].rep_len = q - matches[i].replace; i++; if (*q == ';') - *q++ = '\0'; - else - break; + q++; } /* Now build a list of the replacement string for switches that we care @@ -5559,11 +6040,12 @@ used_arg (p, len) { int xlen = strlen (switches[i].part1); for (j = 0; j < cnt; j++) - if (xlen == matches[j].len && ! strcmp (switches[i].part1, matches[j].str)) + if (xlen == matches[j].len + && ! strncmp (switches[i].part1, matches[j].str, xlen)) { mswitches[n_mswitches].str = matches[j].replace; mswitches[n_mswitches].len = matches[j].rep_len; - mswitches[n_mswitches].replace = (char *)0; + mswitches[n_mswitches].replace = (char *) 0; mswitches[n_mswitches].rep_len = 0; n_mswitches++; break; @@ -5583,9 +6065,9 @@ default_arg (p, len) const char *p; int len; { - char *start, *end; + const char *start, *end; - for (start = multilib_defaults; *start != '\0'; start = end+1) + for (start = multilib_defaults; *start != '\0'; start = end + 1) { while (*start == ' ' || *start == '\t') start++; @@ -5593,7 +6075,7 @@ default_arg (p, len) if (*start == '\0') break; - for (end = start+1; *end != ' ' && *end != '\t' && *end != '\0'; end++) + for (end = start + 1; *end != ' ' && *end != '\t' && *end != '\0'; end++) ; if ((end - start) == len && strncmp (p, start, len) == 0) @@ -5606,23 +6088,80 @@ default_arg (p, len) return 0; } -/* Work out the subdirectory to use based on the - options. The format of multilib_select is a list of elements. - Each element is a subdirectory name followed by a list of options - followed by a semicolon. gcc will consider each line in turn. If - none of the options beginning with an exclamation point are - present, and all of the other options are present, that - subdirectory will be used. */ +/* Work out the subdirectory to use based on the options. The format of + multilib_select is a list of elements. Each element is a subdirectory + name followed by a list of options followed by a semicolon. The format + of multilib_exclusions is the same, but without the preceding + directory. First gcc will check the exclusions, if none of the options + beginning with an exclamation point are present, and all of the other + options are present, then we will ignore this completely. Passing + that, gcc will consider each multilib_select in turn using the same + rules for matching the options. If a match is found, that subdirectory + will be used. */ static void set_multilib_dir () { - char *p = multilib_select; - int this_path_len; - char *this_path, *this_arg; + const char *p; + unsigned int this_path_len; + const char *this_path, *this_arg; int not_arg; int ok; + p = multilib_exclusions; + while (*p != '\0') + { + /* Ignore newlines. */ + if (*p == '\n') + { + ++p; + continue; + } + + /* Check the arguments. */ + ok = 1; + while (*p != ';') + { + if (*p == '\0') + abort (); + + if (! ok) + { + ++p; + continue; + } + + this_arg = p; + while (*p != ' ' && *p != ';') + { + if (*p == '\0') + abort (); + ++p; + } + + if (*this_arg != '!') + not_arg = 0; + else + { + not_arg = 1; + ++this_arg; + } + + ok = used_arg (this_arg, p - this_arg); + if (not_arg) + ok = ! ok; + + if (*p == ' ') + ++p; + } + + if (ok) + return; + + ++p; + } + + p = multilib_select; while (*p != '\0') { /* Ignore newlines. */ @@ -5695,7 +6234,7 @@ set_multilib_dir () if (this_path_len != 1 || this_path[0] != '.') { - char * new_multilib_dir = xmalloc (this_path_len + 1); + char *new_multilib_dir = xmalloc (this_path_len + 1); strncpy (new_multilib_dir, this_path, this_path_len); new_multilib_dir[this_path_len] = '\0'; multilib_dir = new_multilib_dir; @@ -5704,7 +6243,7 @@ set_multilib_dir () } ++p; - } + } } /* Print out the multiple library subdirectory selection @@ -5714,18 +6253,20 @@ set_multilib_dir () matches. The options are print without a leading dash. There are no spaces to make it easy to use the information in the shell. Each subdirectory is printed only once. This assumes the ordering - generated by the genmultilib script. */ + generated by the genmultilib script. Also, we leave out ones that match + the exclusions. */ static void print_multilib_info () { - char *p = multilib_select; - char *last_path = 0, *this_path; + const char *p = multilib_select; + const char *last_path = 0, *this_path; int skip; - int last_path_len = 0; + unsigned int last_path_len = 0; while (*p != '\0') { + skip = 0; /* Ignore newlines. */ if (*p == '\n') { @@ -5742,24 +6283,115 @@ print_multilib_info () ++p; } - /* If this is a duplicate, skip it. */ - skip = (last_path != 0 && p - this_path == last_path_len - && ! strncmp (last_path, this_path, last_path_len)); + /* Check for matches with the multilib_exclusions. We don't bother + with the '!' in either list. If any of the exclusion rules match + all of its options with the select rule, we skip it. */ + { + const char *e = multilib_exclusions; + const char *this_arg; + + while (*e != '\0') + { + int m = 1; + /* Ignore newlines. */ + if (*e == '\n') + { + ++e; + continue; + } + + /* Check the arguments. */ + while (*e != ';') + { + const char *q; + int mp = 0; + + if (*e == '\0') + abort (); + + if (! m) + { + ++e; + continue; + } + + this_arg = e; + + while (*e != ' ' && *e != ';') + { + if (*e == '\0') + abort (); + ++e; + } + + q = p + 1; + while (*q != ';') + { + const char *arg; + int len = e - this_arg; + + if (*q == '\0') + abort (); + + arg = q; + + while (*q != ' ' && *q != ';') + { + if (*q == '\0') + abort (); + ++q; + } + + if (! strncmp (arg, this_arg, (len < q - arg) ? q - arg : len) || + default_arg (this_arg, e - this_arg)) + { + mp = 1; + break; + } + + if (*q == ' ') + ++q; + } + + if (! mp) + m = 0; + + if (*e == ' ') + ++e; + } + + if (m) + { + skip = 1; + break; + } - last_path = this_path; - last_path_len = p - this_path; + if (*e != '\0') + ++e; + } + } + + if (! skip) + { + /* If this is a duplicate, skip it. */ + skip = (last_path != 0 && (unsigned int) (p - this_path) == last_path_len + && ! strncmp (last_path, this_path, last_path_len)); + + last_path = this_path; + last_path_len = p - this_path; + } /* If this directory requires any default arguments, we can skip it. We will already have printed a directory identical to this one which does not require that default argument. */ if (! skip) { - char *q; + const char *q; q = p + 1; while (*q != ';') { - char *arg; + const char *arg; if (*q == '\0') abort (); @@ -5790,7 +6422,7 @@ print_multilib_info () if (! skip) { - char *p1; + const char *p1; for (p1 = last_path; p1 < p; p1++) putchar (*p1); @@ -5831,11 +6463,11 @@ print_multilib_info () if (! skip) { - /* If there are extra options, print them now */ + /* If there are extra options, print them now. */ if (multilib_extra && *multilib_extra) { int print_at = TRUE; - char *q; + const char *q; for (q = multilib_extra; *q != '\0'; q++) { @@ -5850,6 +6482,7 @@ print_multilib_info () } } } + putchar ('\n'); }