diff options
Diffstat (limited to 'gcc/gcc.c')
| -rw-r--r-- | gcc/gcc.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gcc/gcc.c b/gcc/gcc.c index 1018513f5c7..291712dcfa1 100644 --- a/gcc/gcc.c +++ b/gcc/gcc.c @@ -296,6 +296,7 @@ static char *save_string PARAMS ((const char *, int)); static void set_collect_gcc_options PARAMS ((void)); static int do_spec_1 PARAMS ((const char *, int, const char *)); static int do_spec_2 PARAMS ((const char *)); +static void do_self_spec PARAMS ((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 *)); @@ -738,6 +739,12 @@ static const char *multilib_exclusions; static const char *const multilib_defaults_raw[] = MULTILIB_DEFAULTS; +#ifndef DRIVER_SELF_SPECS +#define DRIVER_SELF_SPECS "" +#endif + +static const char *const driver_self_specs[] = { DRIVER_SELF_SPECS }; + struct user_specs { struct user_specs *next; @@ -4268,6 +4275,45 @@ do_spec_2 (spec) return do_spec_1 (spec, 0, NULL); } + +/* Process the given spec string and add any new options to the end + of the switches/n_switches array. */ + +static void +do_self_spec (spec) + const char *spec; +{ + do_spec_2 (spec); + do_spec_1 (" ", 0, NULL); + + if (argbuf_index > 0) + { + int i, first; + + first = n_switches; + n_switches += argbuf_index; + switches = xrealloc (switches, + sizeof (struct switchstr) * (n_switches + 1)); + + switches[n_switches] = switches[first]; + for (i = 0; i < argbuf_index; i++) + { + struct switchstr *sw; + + /* Each switch should start with '-'. */ + if (argbuf[i][0] != '-') + abort (); + + sw = &switches[i + first]; + sw->part1 = &argbuf[i][1]; + sw->args = 0; + sw->live_cond = SWITCH_OK; + sw->validated = 0; + sw->ordering = 0; + } + } +} + /* Process the sub-spec SPEC as a portion of a larger spec. This is like processing a whole spec except that we do not initialize at the beginning and we do not supply a @@ -5917,6 +5963,12 @@ main (argc, argv) process_command (argc, argv); + /* Process DRIVER_SELF_SPECS, adding any new options to the end + of the command line. */ + + for (i = 0; i < ARRAY_SIZE (driver_self_specs); i++) + do_self_spec (driver_self_specs[i]); + /* Initialize the vector of specs to just the default. This means one element containing 0s, as a terminator. */ |