Merge tag 'kbuild-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Remove tristate choice support from Kconfig

 - Stop using the PROVIDE() directive in the linker script

 - Reduce the number of links for the combination of CONFIG_KALLSYMS and
   CONFIG_DEBUG_INFO_BTF

 - Enable the warning for symbol reference to .exit.* sections by
   default

 - Fix warnings in RPM package builds

 - Improve scripts/make_fit.py to generate a FIT image with separate
   base DTB and overlays

 - Improve choice value calculation in Kconfig

 - Fix conditional prompt behavior in choice in Kconfig

 - Remove support for the uncommon EMAIL environment variable in Debian
   package builds

 - Remove support for the uncommon "name <email>" form for the DEBEMAIL
   environment variable

 - Raise the minimum supported GNU Make version to 4.0

 - Remove stale code for the absolute kallsyms

 - Move header files commonly used for host programs to scripts/include/

 - Introduce the pacman-pkg target to generate a pacman package used in
   Arch Linux

 - Clean up Kconfig

* tag 'kbuild-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (65 commits)
  kbuild: doc: gcc to CC change
  kallsyms: change sym_entry::percpu_absolute to bool type
  kallsyms: unify seq and start_pos fields of struct sym_entry
  kallsyms: add more original symbol type/name in comment lines
  kallsyms: use \t instead of a tab in printf()
  kallsyms: avoid repeated calculation of array size for markers
  kbuild: add script and target to generate pacman package
  modpost: use generic macros for hash table implementation
  kbuild: move some helper headers from scripts/kconfig/ to scripts/include/
  Makefile: add comment to discourage tools/* addition for kernel builds
  kbuild: clean up scripts/remove-stale-files
  kconfig: recursive checks drop file/lineno
  kbuild: rpm-pkg: introduce a simple changelog section for kernel.spec
  kallsyms: get rid of code for absolute kallsyms
  kbuild: Create INSTALL_PATH directory if it does not exist
  kbuild: Abort make on install failures
  kconfig: remove 'e1' and 'e2' macros from expression deduplication
  kconfig: remove SYMBOL_CHOICEVAL flag
  kconfig: add const qualifiers to several function arguments
  kconfig: call expr_eliminate_yn() at least once in expr_eliminate_dups()
  ...

1 files changed, 13 insertions, 16 deletions

diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 7c0c242318bc..2bc96cd28253 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -12,12 +12,11 @@ extern "C" {
 
 #include <assert.h>
 #include <stdio.h>
-#include "list_types.h"
 #ifndef __cplusplus
 #include <stdbool.h>
 #endif
 
-#include "list_types.h"
+#include <list_types.h>
 
 typedef enum tristate {
 	no, mod, yes
@@ -26,7 +25,7 @@ typedef enum tristate {
 enum expr_type {
 	E_NONE, E_OR, E_AND, E_NOT,
 	E_EQUAL, E_UNEQUAL, E_LTH, E_LEQ, E_GTH, E_GEQ,
-	E_LIST, E_SYMBOL, E_RANGE
+	E_SYMBOL, E_RANGE
 };
 
 union expr_data {
@@ -43,9 +42,6 @@ struct expr {
 #define EXPR_AND(dep1, dep2)	(((dep1)<(dep2))?(dep1):(dep2))
 #define EXPR_NOT(dep)		(2-(dep))
 
-#define expr_list_for_each_sym(l, e, s) \
-	for (e = (l); e && (s = e->right.sym); e = e->left.expr)
-
 struct expr_value {
 	struct expr *expr;
 	tristate tri;
@@ -73,6 +69,8 @@ enum {
  * Represents a configuration symbol.
  *
  * Choices are represented as a special kind of symbol with null name.
+ *
+ * @choice_link: linked to menu::choice_members
  */
 struct symbol {
 	/* link node for the hash table */
@@ -110,6 +108,8 @@ struct symbol {
 	/* config entries associated with this symbol */
 	struct list_head menus;
 
+	struct list_head choice_link;
+
 	/* SYMBOL_* flags */
 	int flags;
 
@@ -130,10 +130,8 @@ struct symbol {
 
 #define SYMBOL_CONST      0x0001  /* symbol is const */
 #define SYMBOL_CHECK      0x0008  /* used during dependency checking */
-#define SYMBOL_CHOICEVAL  0x0020  /* used as a value in a choice block */
 #define SYMBOL_VALID      0x0080  /* set when symbol.curr is calculated */
 #define SYMBOL_WRITE      0x0200  /* write symbol to file (KCONFIG_CONFIG) */
-#define SYMBOL_CHANGED    0x0400  /* ? */
 #define SYMBOL_WRITTEN    0x0800  /* track info to avoid double-write to .config */
 #define SYMBOL_CHECKED    0x2000  /* used during dependency checking */
 #define SYMBOL_WARNED     0x8000  /* warning has been issued */
@@ -145,9 +143,6 @@ struct symbol {
 #define SYMBOL_DEF3       0x40000  /* symbol.def[S_DEF_3] is valid */
 #define SYMBOL_DEF4       0x80000  /* symbol.def[S_DEF_4] is valid */
 
-/* choice values need to be set before calculating this symbol value */
-#define SYMBOL_NEED_SET_CHOICE_VALUES  0x100000
-
 #define SYMBOL_MAXLENGTH	256
 
 /* A property represent the config options that can be associated
@@ -170,7 +165,6 @@ enum prop_type {
 	P_COMMENT,  /* text associated with a comment */
 	P_MENU,     /* prompt associated with a menu or menuconfig symbol */
 	P_DEFAULT,  /* default y */
-	P_CHOICE,   /* choice value */
 	P_SELECT,   /* select BAR */
 	P_IMPLY,    /* imply BAR */
 	P_RANGE,    /* range 7..100 (for a symbol) */
@@ -184,7 +178,7 @@ struct property {
 	struct expr_value visible;
 	struct expr *expr;         /* the optional conditional part of the property */
 	struct menu *menu;         /* the menu the property are associated with
-	                            * valid for: P_SELECT, P_RANGE, P_CHOICE,
+	                            * valid for: P_SELECT, P_RANGE,
 	                            * P_PROMPT, P_DEFAULT, P_MENU, P_COMMENT */
 	const char *filename;      /* what file was this property defined */
 	int lineno;                /* what lineno was this property defined */
@@ -194,7 +188,6 @@ struct property {
 	for (st = sym->prop; st; st = st->next) \
 		if (st->type == (tok))
 #define for_all_defaults(sym, st) for_all_properties(sym, st, P_DEFAULT)
-#define for_all_choices(sym, st) for_all_properties(sym, st, P_CHOICE)
 #define for_all_prompts(sym, st) \
 	for (st = sym->prop; st; st = st->next) \
 		if (st->text)
@@ -204,6 +197,8 @@ struct property {
  * for all front ends). Each symbol, menu, etc. defined in the Kconfig files
  * gets a node. A symbol defined in multiple locations gets one node at each
  * location.
+ *
+ * @choice_members: list of choice members with priority.
  */
 struct menu {
 	/* The next menu node at the same level */
@@ -223,6 +218,8 @@ struct menu {
 
 	struct list_head link;	/* link to symbol::menus */
 
+	struct list_head choice_members;
+
 	/*
 	 * The prompt associated with the node. This holds the prompt for a
 	 * symbol as well as the text for a menu or comment, along with the
@@ -292,11 +289,11 @@ struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symb
 
 void expr_fprint(struct expr *e, FILE *out);
 struct gstr; /* forward */
-void expr_gstr_print(struct expr *e, struct gstr *gs);
+void expr_gstr_print(const struct expr *e, struct gstr *gs);
 void expr_gstr_print_revdep(struct expr *e, struct gstr *gs,
 			    tristate pr_type, const char *title);
 
-static inline int expr_is_yes(struct expr *e)
+static inline int expr_is_yes(const struct expr *e)
 {
 	return !e || (e->type == E_SYMBOL && e->left.sym == &symbol_yes);
 }