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Support linker options passed in several -Wl param

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ld support arguments to multiple-letter options being passed in two
ways:
* -opt=arg
* -opt arg

libtool generate command line of the second form. This commit add
support for the second form so that libtool works with tcc. The way it
is done is to concatenate all -Wl options into one and then pass it to
set_linker.
This commit is contained in:
Thomas Preud'homme 2012-03-15 00:22:00 +01:00
parent 1736a71b71
commit 7fb0482a46
2 changed files with 19 additions and 2 deletions
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3
libtcc.c
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@ -1566,6 +1566,9 @@ PUB_FUNC const char * tcc_set_linker(TCCState *s, char *option, int multi)
s->text_addr = strtoull(p, &end, 16);
s->has_text_addr = 1;
} else {
char *comma_ptr = strchr(option, ',');
if (comma_ptr)
*comma_ptr = '\0';
return option;
}

18
tcc.c
View File

@ -280,6 +280,8 @@ static int parse_args(TCCState *s, int argc, char **argv)
const char *optarg, *p1, *r1;
char *r;
int was_pthread;
char *linker_arg = NULL;
unsigned long linker_argsize = 0;
was_pthread = 0; /* is set if commandline contains -pthread key */
@ -442,8 +444,17 @@ static int parse_args(TCCState *s, int argc, char **argv)
s->rdynamic = 1;
break;
case TCC_OPTION_Wl:
if ((r = (char *) tcc_set_linker(s, (char *)optarg, TRUE)))
tcc_error("unsupported linker option '%s'", r);
if (!linker_arg) {
linker_argsize = strlen(optarg) + 1;
linker_arg = tcc_malloc(linker_argsize);
pstrcpy(linker_arg, linker_argsize, optarg);
}
else {
linker_argsize += strlen(optarg) + 1;
linker_arg = tcc_realloc(linker_arg, linker_argsize);
pstrcat(linker_arg, linker_argsize, ",");
pstrcat(linker_arg, linker_argsize, optarg);
}
break;
case TCC_OPTION_E:
output_type = TCC_OUTPUT_PREPROCESS;
@ -465,6 +476,9 @@ static int parse_args(TCCState *s, int argc, char **argv)
}
}
}
if ((r = (char *) tcc_set_linker(s, (char *)linker_arg, TRUE)))
tcc_error("unsupported linker option '%s'", r);
tcc_free(linker_arg);
/* fixme: these options could be different on your platform */
if (was_pthread && output_type != TCC_OUTPUT_OBJ) {
dynarray_add((void ***)&files, &nb_files, "-lpthread");