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Add -specs support

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From-SVN: r13075
This commit is contained in:
Michael Meissner 1996-10-29 21:21:57 +00:00
parent 47a2269277
commit d9ac3a0784
1 changed files with 52 additions and 1 deletions
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53
gcc/gcc.c
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@ -513,6 +513,13 @@ static char *multilib_defaults_raw[] = MULTILIB_DEFAULTS;
static struct { char *name, *spec; } extra_specs[] = { EXTRA_SPECS };
#endif
struct user_specs {
struct user_specs *next;
char *filename;
};
static struct user_specs *user_specs_head, *user_specs_tail;
/* This defines which switch letters take arguments. */
#define DEFAULT_SWITCH_TAKES_ARG(CHAR) \
@ -533,7 +540,7 @@ static struct { char *name, *spec; } extra_specs[] = { EXTRA_SPECS };
|| !strcmp (STR, "imacros") || !strcmp (STR, "aux-info") \
|| !strcmp (STR, "idirafter") || !strcmp (STR, "iprefix") \
|| !strcmp (STR, "iwithprefix") || !strcmp (STR, "iwithprefixbefore") \
|| !strcmp (STR, "isystem"))
|| !strcmp (STR, "isystem") || !strcmp (STR, "specs"))
#ifndef WORD_SWITCH_TAKES_ARG
#define WORD_SWITCH_TAKES_ARG(STR) DEFAULT_WORD_SWITCH_TAKES_ARG (STR)
@ -815,6 +822,7 @@ struct option_map option_map[] =
{"--save-temps", "-save-temps", 0},
{"--shared", "-shared", 0},
{"--silent", "-q", 0},
{"--specs", "-specs=", "aj"},
{"--static", "-static", 0},
{"--symbolic", "-symbolic", 0},
{"--target", "-b", "a"},
@ -2438,6 +2446,36 @@ process_command (argc, argv)
save_temps_flag = 1;
n_switches++;
}
else if (strcmp (argv[i], "-specs") == 0)
{
struct user_specs *user = (struct user_specs *)
xmalloc (sizeof (struct user_specs));
if (++i >= argc)
fatal ("argument to `-specs' is missing");
user->next = (struct user_specs *)0;
user->filename = argv[i];
if (user_specs_tail)
user_specs_tail->next = user;
else
user_specs_head = user;
user_specs_tail = user;
}
else if (strncmp (argv[i], "-specs=", 7) == 0)
{
struct user_specs *user = (struct user_specs *)
xmalloc (sizeof (struct user_specs));
if (strlen (argv[i]) == 7)
fatal ("argument to `-specs=' is missing");
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 (argv[i][0] == '-' && argv[i][1] != 0)
{
register char *p = &argv[i][1];
@ -2688,6 +2726,10 @@ process_command (argc, argv)
infiles[n_infiles].language = 0;
infiles[n_infiles++].name = argv[i];
}
else if (strcmp (argv[i], "-specs") == 0)
i++;
else if (strncmp (argv[i], "-specs=", 7) == 0)
;
else if (argv[i][0] == '-' && argv[i][1] != 0)
{
register char *p = &argv[i][1];
@ -4076,6 +4118,7 @@ main (argc, argv)
char *explicit_link_files;
char *specs_file;
char *p;
struct user_specs *uptr;
p = argv[0] + strlen (argv[0]);
while (p != argv[0] && p[-1] != '/' && p[-1] != DIR_SEPARATOR) --p;
@ -4188,6 +4231,14 @@ main (argc, argv)
}
#endif
/* Process any user specified specs in the order given on the command
line. */
for (uptr = user_specs_head; uptr; uptr = uptr->next)
{
char *filename = find_a_file (&startfile_prefixes, uptr->filename, R_OK);
read_specs (filename ? filename : uptr->filename);
}
/* If not cross-compiling, look for startfiles in the standard places. */
/* The fact that these are done here, after reading the specs file,
means that it cannot be found in these directories.