kumquat-buildroot/support/kconfig/patches/08-make-write-deps.patch
Thomas Petazzoni 56da3859c7 support: move kconfig stuff from package/config to support/kconfig
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-09-17 08:17:06 +02:00

140 lines
3.3 KiB
Diff

---
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);
}