diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/kconfig/Makefile | 10 | ||||
| -rw-r--r-- | scripts/kconfig/confdata.c | 38 | ||||
| -rw-r--r-- | scripts/kconfig/expr.h | 1 | ||||
| -rw-r--r-- | scripts/kconfig/lexer.l | 1 | ||||
| -rw-r--r-- | scripts/kconfig/lkc.h | 1 | ||||
| -rw-r--r-- | scripts/kconfig/menu.c | 9 | ||||
| -rw-r--r-- | scripts/kconfig/parser.y | 6 | ||||
| -rw-r--r-- | scripts/kconfig/symbol.c | 1 | ||||
| -rw-r--r-- | scripts/kconfig/tests/conftest.py | 4 |
9 files changed, 42 insertions, 29 deletions
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile index 8c19b82c6035..31c5735663c8 100644 --- a/scripts/kconfig/Makefile +++ b/scripts/kconfig/Makefile @@ -13,6 +13,16 @@ ifeq ($(quiet),silent_) silent := -s endif +export KCONFIG_DEFCONFIG_LIST := +ifneq ($(SRCARCH),um) +kernel-release := $(shell uname -r) +KCONFIG_DEFCONFIG_LIST := \ + /lib/modules/$(kernel-release)/.config \ + /etc/kernel-config \ + /boot/config-$(kernel-release) \ + arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) +endif + # We need this, in case the user has it in its environment unexport CONFIG_ diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index 198f70957fbf..f3998d5ddd02 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -360,28 +360,46 @@ int conf_read_simple(const char *name, int def) if (name) { in = zconf_fopen(name); } else { - struct property *prop; + char *env; name = conf_get_configname(); in = zconf_fopen(name); if (in) goto load; sym_add_change_count(1); - if (!sym_defconfig_list) + + env = getenv("KCONFIG_DEFCONFIG_LIST"); + if (!env) return 1; - for_all_defaults(sym_defconfig_list, prop) { - if (expr_calc_value(prop->visible.expr) == no || - prop->expr->type != E_SYMBOL) - continue; - sym_calc_value(prop->expr->left.sym); - name = sym_get_string_value(prop->expr->left.sym); - in = zconf_fopen(name); + while (1) { + bool is_last; + + while (isspace(*env)) + env++; + + if (!*env) + break; + + p = env; + while (*p && !isspace(*p)) + p++; + + is_last = (*p == '\0'); + + *p = '\0'; + + in = zconf_fopen(env); if (in) { conf_message("using defaults found in %s", - name); + env); goto load; } + + if (is_last) + break; + + env = p + 1; } } if (!in) diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h index bbca80a0dc24..dc17152b1f14 100644 --- a/scripts/kconfig/expr.h +++ b/scripts/kconfig/expr.h @@ -287,7 +287,6 @@ struct file *lookup_file(const char *name); extern struct symbol symbol_yes, symbol_no, symbol_mod; extern struct symbol *modules_sym; -extern struct symbol *sym_defconfig_list; extern int cdebug; struct expr *expr_alloc_symbol(struct symbol *sym); struct expr *expr_alloc_one(enum expr_type type, struct expr *ce); diff --git a/scripts/kconfig/lexer.l b/scripts/kconfig/lexer.l index 9c22cb554673..e918950f94a6 100644 --- a/scripts/kconfig/lexer.l +++ b/scripts/kconfig/lexer.l @@ -99,7 +99,6 @@ n [A-Za-z0-9_-] "def_bool" return T_DEF_BOOL; "def_tristate" return T_DEF_TRISTATE; "default" return T_DEFAULT; -"defconfig_list" return T_DEFCONFIG_LIST; "depends" return T_DEPENDS; "endchoice" return T_ENDCHOICE; "endif" return T_ENDIF; diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h index 1c15e3c98bdf..7378e966add5 100644 --- a/scripts/kconfig/lkc.h +++ b/scripts/kconfig/lkc.h @@ -96,7 +96,6 @@ struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep); void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep); void menu_add_option_modules(void); -void menu_add_option_defconfig_list(void); void menu_add_option_allnoconfig_y(void); void menu_finalize(struct menu *parent); void menu_set_type(int type); diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c index a5fbd6ccc006..5dcfc173da41 100644 --- a/scripts/kconfig/menu.c +++ b/scripts/kconfig/menu.c @@ -219,15 +219,6 @@ void menu_add_option_modules(void) modules_sym = current_entry->sym; } -void menu_add_option_defconfig_list(void) -{ - if (!sym_defconfig_list) - sym_defconfig_list = current_entry->sym; - else if (sym_defconfig_list != current_entry->sym) - zconf_error("trying to redefine defconfig symbol"); - sym_defconfig_list->flags |= SYMBOL_NO_WRITE; -} - void menu_add_option_allnoconfig_y(void) { current_entry->sym->flags |= SYMBOL_ALLNOCONFIG_Y; diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y index 190f1117f35a..f11d8382e9e6 100644 --- a/scripts/kconfig/parser.y +++ b/scripts/kconfig/parser.y @@ -53,7 +53,6 @@ static struct menu *current_menu, *current_entry; %token T_COMMENT %token T_CONFIG %token T_DEFAULT -%token T_DEFCONFIG_LIST %token T_DEF_BOOL %token T_DEF_TRISTATE %token T_DEPENDS @@ -223,11 +222,6 @@ config_option: T_OPTION T_MODULES T_EOL menu_add_option_modules(); }; -config_option: T_OPTION T_DEFCONFIG_LIST T_EOL -{ - menu_add_option_defconfig_list(); -}; - config_option: T_OPTION T_ALLNOCONFIG_Y T_EOL { menu_add_option_allnoconfig_y(); diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c index fe38e6fd2c2a..36b0fcb18117 100644 --- a/scripts/kconfig/symbol.c +++ b/scripts/kconfig/symbol.c @@ -35,7 +35,6 @@ static struct symbol symbol_empty = { .flags = SYMBOL_VALID, }; -struct symbol *sym_defconfig_list; struct symbol *modules_sym; static tristate modules_val; diff --git a/scripts/kconfig/tests/conftest.py b/scripts/kconfig/tests/conftest.py index 0345ef6e3273..af8774a5697c 100644 --- a/scripts/kconfig/tests/conftest.py +++ b/scripts/kconfig/tests/conftest.py @@ -53,6 +53,10 @@ class Conf: # Override 'srctree' environment to make the test as the top directory extra_env['srctree'] = self._test_dir + # Clear KCONFIG_DEFCONFIG_LIST to keep unit tests from being affected + # by the user's environment. + extra_env['KCONFIG_DEFCONFIG_LIST'] = '' + # Run Kconfig in a temporary directory. # This directory is automatically removed when done. with tempfile.TemporaryDirectory() as temp_dir: |