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Merge FreeBSD modifications into gcc 3.2.1-prerelease:

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1.\\{2,15\\}     FREEBSD_NATIVE
  1.\\{5,13\\}     ELF, and objformat support
  1.\\{16,23,25\\} Better cross building control
  1.21           'GCC_OPTIONS'
  1.27           cross-arch MD_EXEC_PREFIX fixes
                 cc -print-search-dir fixes
  1.28           Read specs from /usr/libdata/gcc/specs, if available

Approved by:	obrien
This commit is contained in:
Alexander Kabaev 2002-10-10 04:49:03 +00:00
parent d533a055b5
commit 2a4b2c4b2e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=104763
1 changed files with 282 additions and 94 deletions
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376
contrib/gcc/gcc.c
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@ -174,6 +174,11 @@ static const char *print_prog_name = NULL;
static int print_multi_directory;
/* Flag saying to print the relative path we'd use to
find OS libraries given the current compiler flags. */
static int print_multi_os_directory;
/* Flag saying to print the list of subdirectories and
compiler flags used to select them in a standard form. */
@ -287,9 +292,10 @@ static struct compiler *lookup_compiler PARAMS ((const char *, size_t, const cha
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 char *find_a_file PARAMS ((struct path_prefix *, const char *,
int, int));
static void add_prefix PARAMS ((struct path_prefix *, const char *,
const char *, int, int, int *));
const char *, int, int, int *, int));
static void translate_options PARAMS ((int *, const char *const **));
static char *skip_whitespace PARAMS ((char *));
static void delete_if_ordinary PARAMS ((const char *));
@ -965,6 +971,7 @@ static const struct option_map option_map[] =
{"--print-missing-file-dependencies", "-MG", 0},
{"--print-multi-lib", "-print-multi-lib", 0},
{"--print-multi-directory", "-print-multi-directory", 0},
{"--print-multi-os-directory", "-print-multi-os-directory", 0},
{"--print-prog-name", "-print-prog-name=", "aj"},
{"--profile", "-p", 0},
{"--profile-blocks", "-a", 0},
@ -1250,7 +1257,9 @@ struct prefix_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 */
int priority; /* Sort key - priority within list. */
int os_multilib; /* 1 if OS multilib scheme should be used,
0 for GCC multilib scheme. */
};
struct path_prefix
@ -1343,6 +1352,11 @@ static const char *const standard_bindir_prefix = STANDARD_BINDIR_PREFIX;
set_multilib_dir based on the compilation options. */
static const char *multilib_dir;
/* Subdirectory to use for locating libraries in OS conventions. Set by
set_multilib_dir based on the compilation options. */
static const char *multilib_os_dir;
/* Structure to keep track of the specs that have been defined so far.
These are accessed using %(specname) or %[specname] in a compiler
@ -1396,6 +1410,7 @@ static struct spec_list static_specs[] =
INIT_STATIC_SPEC ("multilib_extra", &multilib_extra),
INIT_STATIC_SPEC ("multilib_matches", &multilib_matches),
INIT_STATIC_SPEC ("multilib_exclusions", &multilib_exclusions),
INIT_STATIC_SPEC ("multilib_options", &multilib_options),
INIT_STATIC_SPEC ("linker", &linker_name_spec),
INIT_STATIC_SPEC ("link_libgcc", &link_libgcc_spec),
INIT_STATIC_SPEC ("md_exec_prefix", &md_exec_prefix),
@ -1838,7 +1853,7 @@ read_specs (filename, main_p)
(long) (p1 - buffer + 1));
p[-2] = '\0';
new_filename = find_a_file (&startfile_prefixes, p1, R_OK);
new_filename = find_a_file (&startfile_prefixes, p1, R_OK, 0);
read_specs (new_filename ? new_filename : p1, FALSE);
continue;
}
@ -1857,7 +1872,7 @@ read_specs (filename, main_p)
(long) (p1 - buffer + 1));
p[-2] = '\0';
new_filename = find_a_file (&startfile_prefixes, p1, R_OK);
new_filename = find_a_file (&startfile_prefixes, p1, R_OK, 0);
if (new_filename)
read_specs (new_filename, FALSE);
else if (verbose_flag)
@ -2486,16 +2501,17 @@ access_check (name, mode)
Return 0 if not found, otherwise return its name, allocated with malloc. */
static char *
find_a_file (pprefix, name, mode)
find_a_file (pprefix, name, mode, multilib)
struct path_prefix *pprefix;
const char *name;
int mode;
int mode, multilib;
{
char *temp;
const char *const file_suffix =
((mode & X_OK) != 0 ? HOST_EXECUTABLE_SUFFIX : "");
struct prefix_list *pl;
int len = pprefix->max_len + strlen (name) + strlen (file_suffix) + 1;
const char *multilib_name, *multilib_os_name;
#ifdef DEFAULT_ASSEMBLER
if (! strcmp (name, "as") && access (DEFAULT_ASSEMBLER, mode) == 0)
@ -2510,6 +2526,22 @@ find_a_file (pprefix, name, mode)
if (machine_suffix)
len += strlen (machine_suffix);
multilib_name = name;
multilib_os_name = name;
if (multilib && multilib_os_dir)
{
int len1 = multilib_dir ? strlen (multilib_dir) + 1 : 0;
int len2 = strlen (multilib_os_dir) + 1;
len += len1 > len2 ? len1 : len2;
if (multilib_dir)
multilib_name = ACONCAT ((multilib_dir, dir_separator_str, name,
NULL));
if (strcmp (multilib_os_dir, ".") != 0)
multilib_os_name = ACONCAT ((multilib_os_dir, dir_separator_str, name,
NULL));
}
temp = xmalloc (len);
/* Determine the filename to execute (special case for absolute paths). */
@ -2525,6 +2557,9 @@ find_a_file (pprefix, name, mode)
else
for (pl = pprefix->plist; pl; pl = pl->next)
{
const char *this_name
= pl->os_multilib ? multilib_os_name : multilib_name;
if (machine_suffix)
{
/* Some systems have a suffix for executable files.
@ -2533,7 +2568,7 @@ find_a_file (pprefix, name, mode)
{
strcpy (temp, pl->prefix);
strcat (temp, machine_suffix);
strcat (temp, name);
strcat (temp, multilib_name);
strcat (temp, file_suffix);
if (access_check (temp, mode) == 0)
{
@ -2543,10 +2578,10 @@ find_a_file (pprefix, name, mode)
}
}
/* Now try just the name. */
/* Now try just the multilib_name. */
strcpy (temp, pl->prefix);
strcat (temp, machine_suffix);
strcat (temp, name);
strcat (temp, multilib_name);
if (access_check (temp, mode) == 0)
{
if (pl->used_flag_ptr != 0)
@ -2565,7 +2600,7 @@ find_a_file (pprefix, name, mode)
{
strcpy (temp, pl->prefix);
strcat (temp, just_machine_suffix);
strcat (temp, name);
strcat (temp, multilib_name);
strcat (temp, file_suffix);
if (access_check (temp, mode) == 0)
{
@ -2577,7 +2612,7 @@ find_a_file (pprefix, name, mode)
strcpy (temp, pl->prefix);
strcat (temp, just_machine_suffix);
strcat (temp, name);
strcat (temp, multilib_name);
if (access_check (temp, mode) == 0)
{
if (pl->used_flag_ptr != 0)
@ -2595,7 +2630,7 @@ find_a_file (pprefix, name, mode)
if (file_suffix[0] != 0)
{
strcpy (temp, pl->prefix);
strcat (temp, name);
strcat (temp, this_name);
strcat (temp, file_suffix);
if (access_check (temp, mode) == 0)
{
@ -2606,7 +2641,7 @@ find_a_file (pprefix, name, mode)
}
strcpy (temp, pl->prefix);
strcat (temp, name);
strcat (temp, this_name);
if (access_check (temp, mode) == 0)
{
if (pl->used_flag_ptr != 0)
@ -2644,13 +2679,15 @@ enum path_prefix_priority
2 means try both machine_suffix and just_machine_suffix. */
static void
add_prefix (pprefix, prefix, component, priority, require_machine_suffix, warn)
add_prefix (pprefix, prefix, component, priority, require_machine_suffix,
warn, os_multilib)
struct path_prefix *pprefix;
const char *prefix;
const char *component;
/* enum prefix_priority */ int priority;
int require_machine_suffix;
int *warn;
int os_multilib;
{
struct prefix_list *pl, **prev;
int len;
@ -2672,6 +2709,7 @@ add_prefix (pprefix, prefix, component, priority, require_machine_suffix, warn)
pl->require_machine_suffix = require_machine_suffix;
pl->used_flag_ptr = warn;
pl->priority = priority;
pl->os_multilib = os_multilib;
if (warn)
*warn = 0;
@ -2715,7 +2753,7 @@ execute ()
commands[0].prog = argbuf[0]; /* first command. */
commands[0].argv = &argbuf[0];
string = find_a_file (&exec_prefixes, commands[0].prog, X_OK);
string = find_a_file (&exec_prefixes, commands[0].prog, X_OK, 0);
if (string)
commands[0].argv[0] = string;
@ -2729,7 +2767,8 @@ execute ()
argbuf[i] = 0; /* termination of command args. */
commands[n_commands].prog = argbuf[i + 1];
commands[n_commands].argv = &argbuf[i + 1];
string = find_a_file (&exec_prefixes, commands[n_commands].prog, X_OK);
string = find_a_file (&exec_prefixes, commands[n_commands].prog,
X_OK, 0);
if (string)
commands[n_commands].argv[0] = string;
n_commands++;
@ -3058,6 +3097,7 @@ display_help ()
fputs (_("\
-print-multi-lib Display the mapping between command line options and\n\
multiple library search directories\n"), stdout);
fputs (_(" -print-multi-os-directory Display the relative path to OS libraries\n"), stdout);
fputs (_(" -Wa,<options> Pass comma-separated <options> on to the assembler\n"), stdout);
fputs (_(" -Wp,<options> Pass comma-separated <options> on to the preprocessor\n"), stdout);
fputs (_(" -Wl,<options> Pass comma-separated <options> on to the linker\n"), stdout);
@ -3221,9 +3261,9 @@ process_command (argc, argv)
set_std_prefix (gcc_exec_prefix, len);
add_prefix (&exec_prefixes, gcc_exec_prefix, "GCC",
PREFIX_PRIORITY_LAST, 0, NULL);
PREFIX_PRIORITY_LAST, 0, NULL, 0);
add_prefix (&startfile_prefixes, gcc_exec_prefix, "GCC",
PREFIX_PRIORITY_LAST, 0, NULL);
PREFIX_PRIORITY_LAST, 0, NULL, 0);
}
/* COMPILER_PATH and LIBRARY_PATH have values
@ -3251,10 +3291,10 @@ process_command (argc, argv)
else
nstore[endp - startp] = 0;
add_prefix (&exec_prefixes, nstore, 0,
PREFIX_PRIORITY_LAST, 0, NULL);
PREFIX_PRIORITY_LAST, 0, NULL, 0);
add_prefix (&include_prefixes,
concat (nstore, "include", NULL),
0, PREFIX_PRIORITY_LAST, 0, NULL);
0, PREFIX_PRIORITY_LAST, 0, NULL, 0);
if (*endp == 0)
break;
endp = startp = endp + 1;
@ -3286,7 +3326,7 @@ process_command (argc, argv)
else
nstore[endp - startp] = 0;
add_prefix (&startfile_prefixes, nstore, NULL,
PREFIX_PRIORITY_LAST, 0, NULL);
PREFIX_PRIORITY_LAST, 0, NULL, 1);
if (*endp == 0)
break;
endp = startp = endp + 1;
@ -3319,7 +3359,7 @@ process_command (argc, argv)
else
nstore[endp - startp] = 0;
add_prefix (&startfile_prefixes, nstore, NULL,
PREFIX_PRIORITY_LAST, 0, NULL);
PREFIX_PRIORITY_LAST, 0, NULL, 1);
if (*endp == 0)
break;
endp = startp = endp + 1;
@ -3471,6 +3511,8 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
print_multi_lib = 1;
else if (! strcmp (argv[i], "-print-multi-directory"))
print_multi_directory = 1;
else if (! strcmp (argv[i], "-print-multi-os-directory"))
print_multi_os_directory = 1;
else if (! strncmp (argv[i], "-Wa,", 4))
{
int prev, j;
@ -3640,7 +3682,7 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
{
if (len == 7)
add_prefix (&include_prefixes, "include", NULL,
PREFIX_PRIORITY_B_OPT, 0, NULL);
PREFIX_PRIORITY_B_OPT, 0, NULL, 0);
else
{
char * string = xmalloc (len + 1);
@ -3648,16 +3690,16 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
strncpy (string, value, len - 7);
strcpy (string + len - 7, "include");
add_prefix (&include_prefixes, string, NULL,
PREFIX_PRIORITY_B_OPT, 0, NULL);
PREFIX_PRIORITY_B_OPT, 0, NULL, 0);
}
}
add_prefix (&exec_prefixes, value, NULL,
PREFIX_PRIORITY_B_OPT, 0, &warn_B);
PREFIX_PRIORITY_B_OPT, 0, &warn_B, 0);
add_prefix (&startfile_prefixes, value, NULL,
PREFIX_PRIORITY_B_OPT, 0, &warn_B);
PREFIX_PRIORITY_B_OPT, 0, &warn_B, 0);
add_prefix (&include_prefixes, concat (value, "include", NULL),
NULL, PREFIX_PRIORITY_B_OPT, 0, NULL);
NULL, PREFIX_PRIORITY_B_OPT, 0, NULL, 0);
n_switches++;
}
break;
@ -3834,11 +3876,11 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
case OBJFMT_AOUT:
n_switches++; /* add implied -maout */
add_prefix (&exec_prefixes, PREFIX"/libexec/aout/", "BINUTILS",
0, 0, warn_std_ptr);
0, 0, warn_std_ptr, 0);
break;
case OBJFMT_ELF:
add_prefix (&exec_prefixes, PREFIX"/libexec/elf/", "BINUTILS",
0, 0, warn_std_ptr);
0, 0, warn_std_ptr, 0);
break;
case OBJFMT_UNKNOWN:
fatal ("object format unknown");
@ -3846,20 +3888,20 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
#endif /* FREEBSD_NATIVE */
#ifndef OS2
add_prefix (&exec_prefixes, standard_exec_prefix, "GCC",
PREFIX_PRIORITY_LAST, 1, warn_std_ptr);
PREFIX_PRIORITY_LAST, 1, warn_std_ptr, 0);
add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS",
PREFIX_PRIORITY_LAST, 2, warn_std_ptr);
PREFIX_PRIORITY_LAST, 2, warn_std_ptr, 0);
#ifndef FREEBSD_NATIVE
add_prefix (&exec_prefixes, standard_exec_prefix_1, "BINUTILS",
PREFIX_PRIORITY_LAST, 2, warn_std_ptr);
PREFIX_PRIORITY_LAST, 2, warn_std_ptr, 0);
#endif /* not FREEBSD_NATIVE */
#endif
#ifndef FREEBSD_NATIVE
add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS",
PREFIX_PRIORITY_LAST, 1, warn_std_ptr);
PREFIX_PRIORITY_LAST, 1, warn_std_ptr, 0);
add_prefix (&startfile_prefixes, standard_exec_prefix_1, "BINUTILS",
PREFIX_PRIORITY_LAST, 1, warn_std_ptr);
PREFIX_PRIORITY_LAST, 1, warn_std_ptr, 0);
#endif /* not FREEBSD_NATIVE */
tooldir_prefix = concat (tooldir_base_prefix, spec_machine,
@ -3883,11 +3925,11 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
add_prefix (&exec_prefixes,
concat (gcc_exec_tooldir_prefix, "bin",
dir_separator_str, NULL),
NULL, PREFIX_PRIORITY_LAST, 0, NULL);
NULL, PREFIX_PRIORITY_LAST, 0, NULL, 0);
add_prefix (&startfile_prefixes,
concat (gcc_exec_tooldir_prefix, "lib",
dir_separator_str, NULL),
NULL, PREFIX_PRIORITY_LAST, 0, NULL);
NULL, PREFIX_PRIORITY_LAST, 0, NULL, 1);
}
tooldir_prefix = concat (standard_exec_prefix, spec_machine,
@ -3898,10 +3940,10 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
#ifndef FREEBSD_NATIVE
add_prefix (&exec_prefixes,
concat (tooldir_prefix, "bin", dir_separator_str, NULL),
"BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL);
"BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL, 0);
add_prefix (&startfile_prefixes,
concat (tooldir_prefix, "lib", dir_separator_str, NULL),
"BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL);
"BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL, 1);
#endif /* FREEBSD_NATIVE */
/* More prefixes are enabled in main, after we read the specs file
@ -3971,6 +4013,8 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
;
else if (! strcmp (argv[i], "-print-multi-directory"))
;
else if (! strcmp (argv[i], "-print-multi-os-directory"))
;
else if (! strcmp (argv[i], "-ftarget-help"))
;
else if (! strcmp (argv[i], "-fhelp"))
@ -4474,9 +4518,14 @@ do_spec_1 (spec, inswitch, soft_matched_part)
continue;
#endif
/* Try subdirectory if there is one. */
if (multilib_dir != NULL)
if (multilib_dir != NULL
|| (pl->os_multilib && multilib_os_dir != NULL))
{
if (machine_suffix)
const char *multi_dir;
multi_dir = pl->os_multilib ? multilib_os_dir
: multilib_dir;
if (machine_suffix && multilib_dir)
{
if (strlen (pl->prefix) + strlen (machine_suffix)
>= bufsize)
@ -4499,14 +4548,14 @@ do_spec_1 (spec, inswitch, soft_matched_part)
}
if (!pl->require_machine_suffix)
{
if (is_directory (pl->prefix, multilib_dir, 1))
if (is_directory (pl->prefix, multi_dir, 1))
{
do_spec_1 ("-L", 0, NULL);
#ifdef SPACE_AFTER_L_OPTION
do_spec_1 (" ", 0, NULL);
#endif
do_spec_1 (pl->prefix, 1, NULL);
do_spec_1 (multilib_dir, 1, NULL);
do_spec_1 (multi_dir, 1, NULL);
/* Make this a separate argument. */
do_spec_1 (" ", 0, NULL);
}
@ -5727,11 +5776,9 @@ find_file (name)
char *newname;
/* Try multilib_dir if it is defined. */
if (multilib_dir != NULL)
if (multilib_os_dir != NULL)
{
const char *const try = ACONCAT ((multilib_dir, dir_separator_str, name, NULL));
newname = find_a_file (&startfile_prefixes, try, R_OK);
newname = find_a_file (&startfile_prefixes, name, R_OK, 1);
/* If we don't find it in the multi library dir, then fall
through and look for it in the normal places. */
@ -5739,7 +5786,7 @@ find_file (name)
return newname;
}
newname = find_a_file (&startfile_prefixes, name, R_OK);
newname = find_a_file (&startfile_prefixes, name, R_OK, 0);
return newname ? newname : name;
}
@ -5980,7 +6027,7 @@ main (argc, argv)
just_machine_suffix = concat (spec_machine, dir_separator_str, NULL);
#endif /* FREEBSD_NATIVE */
specs_file = find_a_file (&startfile_prefixes, "specs", R_OK);
specs_file = find_a_file (&startfile_prefixes, "specs", R_OK, 0);
/* Read the specs file unless it is a default one. */
if (specs_file != 0 && strcmp (specs_file, "specs"))
read_specs (specs_file, TRUE);
@ -6005,18 +6052,18 @@ main (argc, argv)
if (*md_exec_prefix)
{
add_prefix (&exec_prefixes, md_exec_prefix, "GCC",
PREFIX_PRIORITY_LAST, 0, NULL);
PREFIX_PRIORITY_LAST, 0, NULL, 0);
add_prefix (&startfile_prefixes, md_exec_prefix, "GCC",
PREFIX_PRIORITY_LAST, 0, NULL);
PREFIX_PRIORITY_LAST, 0, NULL, 0);
}
if (*md_startfile_prefix)
add_prefix (&startfile_prefixes, md_startfile_prefix, "GCC",
PREFIX_PRIORITY_LAST, 0, NULL);
PREFIX_PRIORITY_LAST, 0, NULL, 1);
if (*md_startfile_prefix_1)
add_prefix (&startfile_prefixes, md_startfile_prefix_1, "GCC",
PREFIX_PRIORITY_LAST, 0, NULL);
PREFIX_PRIORITY_LAST, 0, NULL, 1);
/* If standard_startfile_prefix is relative, base it on
standard_exec_prefix. This lets us move the installed tree
@ -6024,30 +6071,30 @@ main (argc, argv)
standard_startfile_prefix on that as well. */
if (IS_ABSOLUTE_PATHNAME (standard_startfile_prefix))
add_prefix (&startfile_prefixes, standard_startfile_prefix, "BINUTILS",
PREFIX_PRIORITY_LAST, 0, NULL);
PREFIX_PRIORITY_LAST, 0, NULL, 1);
else
{
if (gcc_exec_prefix)
add_prefix (&startfile_prefixes,
concat (gcc_exec_prefix, machine_suffix,
standard_startfile_prefix, NULL),
NULL, PREFIX_PRIORITY_LAST, 0, NULL);
NULL, PREFIX_PRIORITY_LAST, 0, NULL, 1);
add_prefix (&startfile_prefixes,
concat (standard_exec_prefix,
machine_suffix,
standard_startfile_prefix, NULL),
NULL, PREFIX_PRIORITY_LAST, 0, NULL);
NULL, PREFIX_PRIORITY_LAST, 0, NULL, 1);
}
#ifndef FREEBSD_NATIVE
add_prefix (&startfile_prefixes, standard_startfile_prefix_1,
"BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL);
"BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL, 1);
add_prefix (&startfile_prefixes, standard_startfile_prefix_2,
"BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL);
"BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL, 1);
#endif /* not FREEBSD_NATIVE */
#if 0 /* Can cause surprises, and one can use -B./ instead. */
add_prefix (&startfile_prefixes, "./", NULL,
PREFIX_PRIORITY_LAST, 1, NULL);
PREFIX_PRIORITY_LAST, 1, NULL, 0);
#endif
}
else
@ -6057,10 +6104,10 @@ main (argc, argv)
add_prefix (&startfile_prefixes,
concat (gcc_exec_prefix, machine_suffix,
standard_startfile_prefix, NULL),
"BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL);
"BINUTILS", PREFIX_PRIORITY_LAST, 0, NULL, 1);
#ifdef CROSS_STARTFILE_PREFIX
add_prefix (&startfile_prefixes, CROSS_STARTFILE_PREFIX, "BINUTILS",
PREFIX_PRIORITY_LAST, 0, NULL);
PREFIX_PRIORITY_LAST, 0, NULL, 1);
#endif
}
@ -6068,7 +6115,8 @@ main (argc, argv)
line. */
for (uptr = user_specs_head; uptr; uptr = uptr->next)
{
char *filename = find_a_file (&startfile_prefixes, uptr->filename, R_OK);
char *filename = find_a_file (&startfile_prefixes, uptr->filename,
R_OK, 0);
read_specs (filename ? filename : uptr->filename, FALSE);
}
@ -6110,7 +6158,7 @@ main (argc, argv)
if (print_prog_name)
{
char *newname = find_a_file (&exec_prefixes, print_prog_name, X_OK);
char *newname = find_a_file (&exec_prefixes, print_prog_name, X_OK, 0);
printf ("%s\n", (newname ? newname : print_prog_name));
return (0);
}
@ -6130,6 +6178,15 @@ main (argc, argv)
return (0);
}
if (print_multi_os_directory)
{
if (multilib_os_dir == NULL)
printf (".\n");
else
printf ("%s\n", multilib_os_dir);
return (0);
}
if (target_help_flag)
{
/* Print if any target specific options. */
@ -6289,7 +6346,7 @@ main (argc, argv)
/* 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);
char *s = find_a_file (&exec_prefixes, "collect2", X_OK, 0);
if (s == NULL)
linker_name_spec = "ld";
}
@ -6583,6 +6640,15 @@ validate_switches (start)
goto next_member;
}
struct mdswitchstr
{
const char *str;
int len;
};
static struct mdswitchstr *mdswitches;
static int n_mdswitches;
/* Check whether a particular argument was used. The first time we
canonicalize the switches to keep only the ones we care about. */
@ -6648,8 +6714,9 @@ used_arg (p, len)
xmalloc from calling fatal, and prevents us from re-executing this
block of code. */
mswitches
= (struct mswitchstr *) xmalloc ((sizeof (struct mswitchstr))
* (n_switches ? n_switches : 1));
= (struct mswitchstr *)
xmalloc (sizeof (struct mswitchstr)
* (n_mdswitches + (n_switches ? n_switches : 1)));
for (i = 0; i < n_switches; i++)
{
int xlen = strlen (switches[i].part1);
@ -6665,6 +6732,57 @@ used_arg (p, len)
break;
}
}
/* Add MULTILIB_DEFAULTS switches too, as long as they were not present
on the command line nor any options mutually incompatible with
them. */
for (i = 0; i < n_mdswitches; i++)
{
const char *r;
for (q = multilib_options; *q != '\0'; q++)
{
while (*q == ' ')
q++;
r = q;
while (strncmp (q, mdswitches[i].str, mdswitches[i].len) != 0
|| strchr (" /", q[mdswitches[i].len]) == NULL)
{
while (*q != ' ' && *q != '/' && *q != '\0')
q++;
if (*q != '/')
break;
q++;
}
if (*q != ' ' && *q != '\0')
{
while (*r != ' ' && *r != '\0')
{
q = r;
while (*q != ' ' && *q != '/' && *q != '\0')
q++;
if (used_arg (r, q - r))
break;
if (*q != '/')
{
mswitches[n_mswitches].str = mdswitches[i].str;
mswitches[n_mswitches].len = mdswitches[i].len;
mswitches[n_mswitches].replace = (char *) 0;
mswitches[n_mswitches].rep_len = 0;
n_mswitches++;
break;
}
r = q + 1;
}
break;
}
}
}
}
for (i = 0; i < n_mswitches; i++)
@ -6679,25 +6797,11 @@ default_arg (p, len)
const char *p;
int len;
{
const char *start, *end;
int i;
for (start = multilib_defaults; *start != '\0'; start = end + 1)
{
while (*start == ' ' || *start == '\t')
start++;
if (*start == '\0')
break;
for (end = start + 1; *end != ' ' && *end != '\t' && *end != '\0'; end++)
;
if ((end - start) == len && strncmp (p, start, len) == 0)
return 1;
if (*end == '\0')
break;
}
for (i = 0; i < n_mdswitches; i++)
if (len == mdswitches[i].len && ! strncmp (p, mdswitches[i].str, len))
return 1;
return 0;
}
@ -6719,8 +6823,51 @@ set_multilib_dir ()
const char *p;
unsigned int this_path_len;
const char *this_path, *this_arg;
const char *start, *end;
int not_arg;
int ok;
int ok, ndfltok, first;
n_mdswitches = 0;
start = multilib_defaults;
while (*start == ' ' || *start == '\t')
start++;
while (*start != '\0')
{
n_mdswitches++;
while (*start != ' ' && *start != '\t' && *start != '\0')
start++;
while (*start == ' ' || *start == '\t')
start++;
}
if (n_mdswitches)
{
int i = 0;
mdswitches
= (struct mdswitchstr *) xmalloc (sizeof (struct mdswitchstr)
* n_mdswitches);
for (start = multilib_defaults; *start != '\0'; start = end + 1)
{
while (*start == ' ' || *start == '\t')
start++;
if (*start == '\0')
break;
for (end = start + 1;
*end != ' ' && *end != '\t' && *end != '\0'; end++)
;
obstack_grow (&multilib_obstack, start, end - start);
obstack_1grow (&multilib_obstack, 0);
mdswitches[i].str = obstack_finish (&multilib_obstack);
mdswitches[i++].len = end - start;
if (*end == '\0')
break;
}
}
p = multilib_exclusions;
while (*p != '\0')
@ -6775,6 +6922,7 @@ set_multilib_dir ()
++p;
}
first = 1;
p = multilib_select;
while (*p != '\0')
{
@ -6797,6 +6945,7 @@ set_multilib_dir ()
/* Check the arguments. */
ok = 1;
ndfltok = 1;
++p;
while (*p != ';')
{
@ -6832,32 +6981,65 @@ set_multilib_dir ()
there is a more specific library which uses this
argument. If this argument is a default, we need not
consider that more specific library. */
if (! default_arg (this_arg, p - this_arg))
{
ok = used_arg (this_arg, p - this_arg);
if (not_arg)
ok = ! ok;
}
ok = used_arg (this_arg, p - this_arg);
if (not_arg)
ok = ! ok;
if (! ok)
ndfltok = 0;
if (default_arg (this_arg, p - this_arg))
ok = 1;
if (*p == ' ')
++p;
}
if (ok)
if (ok && first)
{
if (this_path_len != 1
|| this_path[0] != '.')
{
char *new_multilib_dir = xmalloc (this_path_len + 1);
char *q;
strncpy (new_multilib_dir, this_path, this_path_len);
new_multilib_dir[this_path_len] = '\0';
q = strchr (new_multilib_dir, ':');
if (q != NULL)
*q = '\0';
multilib_dir = new_multilib_dir;
}
break;
first = 0;
}
if (ndfltok)
{
const char *q = this_path, *end = this_path + this_path_len;
while (q < end && *q != ':')
q++;
if (q < end)
{
char *new_multilib_os_dir = xmalloc (end - q);
memcpy (new_multilib_os_dir, q + 1, end - q - 1);
new_multilib_os_dir[end - q - 1] = '\0';
multilib_os_dir = new_multilib_os_dir;
break;
}
}
++p;
}
if (multilib_dir == NULL && multilib_os_dir != NULL
&& strcmp (multilib_os_dir, ".") == 0)
{
free ((char *) multilib_os_dir);
multilib_os_dir = NULL;
}
else if (multilib_dir != NULL && multilib_os_dir == NULL)
multilib_os_dir = multilib_dir;
}
/* Print out the multiple library subdirectory selection
@ -6897,6 +7079,12 @@ print_multilib_info ()
++p;
}
/* When --disable-multilib was used but target defines
MULTILIB_OSDIRNAMES, entries starting with .: are there just
to find multilib_os_dir, so skip them from output. */
if (this_path[0] == '.' && this_path[1] == ':')
skip = 1;
/* 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. */
@ -7038,7 +7226,7 @@ print_multilib_info ()
{
const char *p1;
for (p1 = last_path; p1 < p; p1++)
for (p1 = last_path; p1 < p && *p1 != ':'; p1++)
putchar (*p1);
putchar (';');
}