2  * "Optimize" a list of dependencies as spit out by gcc -MD
15  * gcc produces a very nice and correct list of dependencies which
18  * To use this list as-is however has the drawback that virtually
21  * If the user re-runs make *config, autoconf.h will be
38  * so most likely only his driver ;-)
47  * The former is handled by using the -MD output, the later by saving
52  * kbuild-devel a long time ago. I don't have a sensibly working
65  *   fixdep <depfile> <target> <cmdline>
73  *   cmd_<target> = <cmdline>
75  * and then basically copies the .<target>.d file to stdout, in the
86  * be fast ;-) We don't even try to really parse the header files, but
102  * through arch/um/include/uml-config.h; this fixdep "bug" makes sure that
123 char *target;  variable
126 int is_spl_build = 0; /* hack for U-Boot */
130 	fprintf(stderr, "Usage: fixdep <depfile> <target> <cmdline>\n");  in usage()
135  * Print out the commandline prefixed with cmd_<target filename> :=
139 	printf("cmd_%s := %s\n\n", target, cmdline);  in print_cmdline()
169 	for (aux = hashtab[hash % HASHSZ]; aux; aux = aux->next) {  in is_defined_config()
170 		if (aux->hash == hash && aux->len == len &&  in is_defined_config()
171 		    memcmp(aux->name, name, len) == 0)  in is_defined_config()
188 	memcpy(aux->name, name, len);  in define_config()
189 	aux->len = len;  in define_config()
190 	aux->hash = hash;  in define_config()
191 	aux->next = hashtab[hash % HASHSZ];  in define_config()
226 	char tmp_buf[256] = "SPL_"; /* hack for U-Boot */  in parse_config_file()
230 		if (*m == INT_ONFI) { p = (char *) m-1; goto conf; }  in parse_config_file()
231 		if (*m == INT_NFIG) { p = (char *) m-2; goto conf; }  in parse_config_file()
232 		if (*m == INT_FIG_) { p = (char *) m-3; goto conf; }  in parse_config_file()
235 		if (p > map + len - 7)  in parse_config_file()
247 		if (!memcmp(q - 7, "_MODULE", 7))  in parse_config_file()
248 			q -= 7;  in parse_config_file()
249 		if (q - p < 0)  in parse_config_file()
253 		 * U-Boot also handles  in parse_config_file()
259 		if ((q - p == 10 && !memcmp(p, "IS_ENABLED(", 11)) ||  in parse_config_file()
260 		    (q - p == 10 && !memcmp(p, "IS_BUILTIN(", 11)) ||  in parse_config_file()
261 		    (q - p == 9 && !memcmp(p, "IS_MODULE(", 10)) ||  in parse_config_file()
262 		    (q - p == 3 && !memcmp(p, "VAL(", 4))) {  in parse_config_file()
271 				memcpy(tmp_buf + 4, p, q - p);  in parse_config_file()
272 				q = tmp_buf + 4 + (q - p);  in parse_config_file()
276 		/* end U-Boot hack */  in parse_config_file()
278 		use_config(p, q - p);  in parse_config_file()
291 	return memcmp(s + slen - sublen, sub, sublen);  in strrcmp()
316 	if ((long) map == -1) {  in do_config_file()
352 		/* Is the token we found a target name? */  in parse_dep_file()
353 		is_target = (*(p-1) == ':');  in parse_dep_file()
354 		/* Don't write any target names into the dependency file */  in parse_dep_file()
360 			memcpy(s, m, p-m);  in parse_dep_file()
361 			s[p - m] = 0;  in parse_dep_file()
365 			    strrcmp(s, "arch/um/include/uml-config.h") &&  in parse_dep_file()
369 				 * Do not list the source file as dependency,  in parse_dep_file()
379 					 * process the first target name, which  in parse_dep_file()
381 					 * and ignore any other target names,  in parse_dep_file()
388 							target, s);  in parse_dep_file()
390 							target);  in parse_dep_file()
410 	printf("\n%s: $(deps_%s)\n\n", target, target);  in parse_dep_file()
411 	printf("$(deps_%s):\n", target);  in parse_dep_file()
437 	if ((long) map == -1) {  in print_deps()
470 	target = argv[2];  in main()
473 	/* hack for U-Boot */  in main()
474 	if (!strncmp(target, "spl/", 4) || !strncmp(target, "tpl/", 4))  in main()