1 files changed, 139 insertions, 0 deletions
diff --git a/support/kconfig/patches/08-make-write-deps.patch b/support/kconfig/patches/08-make-write-deps.patch
new file mode 100644
index 000000000..e5a21c386
--- /dev/null
+++ b/support/kconfig/patches/08-make-write-deps.patch
@@ -0,0 +1,139 @@
+---
+ util.c |  117 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
+ 1 file changed, 116 insertions(+), 1 deletion(-)
+
+Index: kconfig/util.c
+===================================================================
+--- kconfig.orig/util.c
++++ kconfig/util.c
+@@ -29,6 +29,121 @@
+ 	return file;
+ }
+ 
++static char* br2_symbol_printer(const char * const in)
++{
++	ssize_t i, j, len = strlen(in);
++	char *ret;
++	if (len < 1)
++		return NULL;
++	ret = malloc(len+1);
++	if (!ret) {
++		printf("Out of memory!");
++		exit(1);
++	}
++	memset(ret, 0, len+1);
++	i = j = 0;
++	if (strncmp("BR2_", in, 4) == 0)
++		i += 4;
++	if (strncmp("PACKAGE_", in + i, 8) == 0)
++		i += 8;
++	else if (strncmp("TARGET_", in + i, 7) == 0)
++		i += 7;
++	while (i <= len)
++		ret[j++] = tolower(in[i++]);
++	return ret;
++}
++
++/* write dependencies of the individual config-symbols */
++static int write_make_deps(const char *name)
++{
++	char *str;
++	char dir[PATH_MAX+1], buf[PATH_MAX+1], buf2[PATH_MAX+1];
++	struct menu *menu;
++	struct symbol *sym;
++	struct property *prop, *p;
++	unsigned done;
++	const char * const name_tmp = "..make.deps.tmp";
++	FILE *out;
++	if (!name)
++		name = ".auto.deps";
++
++	strcpy(dir, conf_get_configname());
++	str = strrchr(dir, '/');
++	if (str)
++		str[1] = 0;
++	else
++		dir[0] = 0;
++
++	sprintf(buf, "%s%s", dir, name_tmp);
++	out = fopen(buf, "w");
++	if (!out)
++		return 1;
++	fprintf(out, "# ATTENTION! This does not handle 'depends', just 'select'! \n"
++		"# See support/kconfig/util.c write_make_deps()\n#\n");
++	menu = &rootmenu;//rootmenu.list;
++	while (menu) {
++		sym = menu->sym;
++		if (!sym) {
++			if (!menu_is_visible(menu))
++				goto next;
++		} else if (!(sym->flags & SYMBOL_CHOICE)) {
++			sym_calc_value(sym);
++			if (sym->type == S_BOOLEAN
++			    && sym_get_tristate_value(sym) != no) {
++			    done = 0;
++			    for_all_prompts(sym, prop) {
++			        struct expr *e;
++//printf("\nname=%s\n", sym->name);
++			        for_all_properties(sym, p, P_SELECT) {
++				    e = p->expr;
++				    if (e && e->left.sym->name) {
++				        if (!done) {
++					    fprintf(out, "%s: $(BASE_TARGETS)", br2_symbol_printer(sym->name));
++					    done = 1;
++					}
++//printf("SELECTS %s\n",e->left.sym->name);
++					fprintf(out, " %s",br2_symbol_printer(e->left.sym->name));
++				    }
++				}
++				if (done)
++				    fprintf(out, "\n");
++#if 0
++				e = sym->rev_dep.expr;
++				if (e && e->type == E_SYMBOL
++					&& e->left.sym->name) {
++				    fprintf(out, "%s: %s", br2_symbol_printer(e->left.sym->name),
++						br2_symbol_printer(sym->name));
++printf("%s is Selected BY: %s", sym->name, e->left.sym->name);
++				}
++#endif
++			    }
++			}
++		}
++next:
++		if (menu->list) {
++			menu = menu->list;
++			continue;
++		}
++		if (menu->next)
++			menu = menu->next;
++		else while ((menu = menu->parent)) {
++			if (menu->next) {
++				menu = menu->next;
++				break;
++			}
++		}
++	}
++	fclose(out);
++	sprintf(buf2, "%s%s", dir, name);
++	rename(buf, buf2);
++	printf(_("#\n"
++		 "# make dependencies written to %s\n"
++		 "# ATTENTION buildroot devels!\n"
++		 "# See top of this file before playing with this auto-preprequisites!\n"
++		 "#\n"), name);
++	return 0;
++}
++
+ /* write a dependency file as used by kbuild to track dependencies */
+ int file_write_dep(const char *name)
+ {
+@@ -71,7 +186,7 @@
+ 	fprintf(out, "\n$(deps_config): ;\n");
+ 	fclose(out);
+ 	rename("..config.tmp", name);
+-	return 0;
++	return write_make_deps(NULL);
+ }
+ 
+