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Tue, 23 Nov 2010 04:59:58 +0000 From: Ben Hutchings To: Roman Zippel , Michal Marek Cc: linux-kbuild@vger.kernel.org, Debian kernel maintainers Date: Tue, 23 Nov 2010 04:59:57 +0000 Message-ID: <1290488397.6770.1404.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 X-SA-Exim-Connect-IP: 192.168.4.185 X-SA-Exim-Mail-From: ben@decadent.org.uk X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on shadbolt.decadent.org.uk X-Spam-Level: X-Spam-Status: No, score=-1.4 required=5.0 tests=ALL_TRUSTED autolearn=disabled version=3.2.5 Subject: [PATCH] Kbuild: kconfig: Verbose version of --listnewconfig X-SA-Exim-Version: 4.2.1 (built Wed, 25 Jun 2008 17:14:11 +0000) X-SA-Exim-Scanned: Yes (on shadbolt.decadent.org.uk) Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Tue, 23 Nov 2010 05:00:44 +0000 (UTC) diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c index 5459a38..6d37d5c 100644 --- a/scripts/kconfig/conf.c +++ b/scripts/kconfig/conf.c @@ -363,7 +363,6 @@ static void conf(struct menu *menu) switch (prop->type) { case P_MENU: if ((input_mode == silentoldconfig || - input_mode == listnewconfig || input_mode == oldnoconfig) && rootEntry != menu) { check_conf(menu); @@ -423,11 +422,7 @@ static void check_conf(struct menu *menu) if (sym && !sym_has_value(sym)) { if (sym_is_changable(sym) || (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) { - if (input_mode == listnewconfig) { - if (sym->name && !sym_is_choice_value(sym)) { - printf("%s%s\n", CONFIG_, sym->name); - } - } else if (input_mode != oldnoconfig) { + if (input_mode != oldnoconfig) { if (!conf_cnt++) printf(_("*\n* Restart config...\n*\n")); rootEntry = menu_get_parent_menu(menu); @@ -440,6 +435,78 @@ static void check_conf(struct menu *menu) check_conf(child); } +static void report_conf(struct menu *menu, bool verbose) +{ + struct symbol *sym; + struct menu *child; + int l; + const char *str; + + if (!menu_is_visible(menu)) + return; + + if (verbose && menu == &rootmenu) { + printf("\n#\n" + "# Changes:\n" + "#\n"); + } + + sym = menu->sym; + if (sym && (sym->flags & SYMBOL_NEW) && + sym_is_changable(sym) && sym->name && !sym_is_choice_value(sym)) { + if (verbose) { + switch (sym->type) { + case S_BOOLEAN: + case S_TRISTATE: + switch (sym_get_tristate_value(sym)) { + case no: + printf("# CONFIG_%s is not set\n", sym->name); + break; + case mod: + printf("CONFIG_%s=m\n", sym->name); + break; + case yes: + printf("CONFIG_%s=y\n", sym->name); + break; + } + break; + case S_STRING: + str = sym_get_string_value(sym); + printf("CONFIG_%s=\"", sym->name); + while (1) { + l = strcspn(str, "\"\\"); + if (l) { + fwrite(str, l, 1, stdout); + str += l; + } + if (!*str) + break; + printf("\\%c", *str++); + } + fputs("\"\n", stdout); + break; + case S_HEX: + str = sym_get_string_value(sym); + if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) { + printf("CONFIG_%s=%s\n", sym->name, str); + break; + } + case S_INT: + str = sym_get_string_value(sym); + printf("CONFIG_%s=%s\n", sym->name, str); + break; + default: + break; + } + } else { + printf("CONFIG_%s\n", sym->name); + } + } + + for (child = menu->list; child; child = child->next) + report_conf(child, verbose); +} + static struct option long_opts[] = { {"oldaskconfig", no_argument, NULL, oldaskconfig}, {"oldconfig", no_argument, NULL, oldconfig}, @@ -460,6 +527,7 @@ int main(int ac, char **av) { int opt; const char *name; + const char *value; struct stat tmpstat; setlocale(LC_ALL, ""); @@ -604,16 +672,18 @@ int main(int ac, char **av) input_mode = silentoldconfig; /* fall through */ case oldconfig: - case listnewconfig: case oldnoconfig: case silentoldconfig: /* Update until a loop caused no more changes */ do { conf_cnt = 0; check_conf(&rootmenu); - } while (conf_cnt && - (input_mode != listnewconfig && - input_mode != oldnoconfig)); + } while (conf_cnt && input_mode != oldnoconfig); + break; + case listnewconfig: + conf_set_all_new_symbols(def_default); + value = getenv("KBUILD_VERBOSE"); + report_conf(&rootmenu, value && atoi(value)); break; } diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index c06f150..3682ef5 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -1009,6 +1009,7 @@ void conf_set_all_new_symbols(enum conf_def_mode mode) for_all_symbols(i, sym) { if (sym_has_value(sym)) continue; + sym->flags |= SYMBOL_NEW; switch (sym_get_type(sym)) { case S_BOOLEAN: case S_TRISTATE: diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h index 184eb6a..b267933 100644 --- a/scripts/kconfig/expr.h +++ b/scripts/kconfig/expr.h @@ -108,6 +108,8 @@ struct symbol { #define SYMBOL_DEF3 0x40000 /* symbol.def[S_DEF_3] is valid */ #define SYMBOL_DEF4 0x80000 /* symbol.def[S_DEF_4] is valid */ +#define SYMBOL_NEW 0x100000 /* symbol is new (loaded config did not provide a value) */ + #define SYMBOL_MAXLENGTH 256 #define SYMBOL_HASHSIZE 9973