kbuild: move some helper headers from scripts/kconfig/ to scripts/include/

Move array_size.h, hashtable.h, list.h, list_types.h from scripts/kconfig/
to scripts/include/.

These headers will be useful for other host programs.

Remove scripts/mod/list.h.

Signed-off-by: Masahiro Yamada <[email protected]>

Author: masahir0y

MAINTAINERS

@@ -11943,6 +11943,7 @@ F:	scripts/Makefile*
 F:	scripts/basic/
 F:	scripts/clang-tools/
 F:	scripts/dummy-tools/
+F:	scripts/include/
 F:	scripts/mk*
 F:	scripts/mod/
 F:	scripts/package/

Makefile

@@ -458,8 +458,10 @@ export rust_common_flags := --edition=2021 \
 			    -Dclippy::no_mangle_with_rust_abi \
 			    -Wclippy::dbg_macro
 
-KBUILD_HOSTCFLAGS   := $(KBUILD_USERHOSTCFLAGS) $(HOST_LFS_CFLAGS) $(HOSTCFLAGS)
-KBUILD_HOSTCXXFLAGS := -Wall -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
+KBUILD_HOSTCFLAGS   := $(KBUILD_USERHOSTCFLAGS) $(HOST_LFS_CFLAGS) \
+		       $(HOSTCFLAGS) -I $(srctree)/scripts/include
+KBUILD_HOSTCXXFLAGS := -Wall -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS) \
+		       -I $(srctree)/scripts/include
 KBUILD_HOSTRUSTFLAGS := $(rust_common_flags) -O -Cstrip=debuginfo \
 			-Zallow-features= $(HOSTRUSTFLAGS)
 KBUILD_HOSTLDFLAGS  := $(HOST_LFS_LDFLAGS) $(HOSTLDFLAGS)

scripts/kconfig/array_size.h renamed to scripts/include/array_size.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

scripts/kconfig/hashtable.h renamed to scripts/include/hashtable.h

@@ -2,7 +2,7 @@
 #ifndef INTERNAL_H
 #define INTERNAL_H
 
-#include "hashtable.h"
+#include <hashtable.h>
 
 #define SYMBOL_HASHSIZE		(1U << 14)
 

scripts/kconfig/list.h renamed to scripts/include/list.h

@@ -19,7 +19,7 @@
 #include <signal.h>
 #include <unistd.h>
 
-#include "list.h"
+#include <list.h>
 #include "lkc.h"
 #include "lxdialog/dialog.h"
 #include "mnconf-common.h"

scripts/kconfig/list_types.h renamed to scripts/include/list_types.h

@@ -8,9 +8,9 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <list.h>
 #include "lkc.h"
 #include "internal.h"
-#include "list.h"
 
 static const char nohelp_text[] = "There is no help available for this option.";
 

scripts/kconfig/expr.h

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-only
+#include <list.h>
 #include "expr.h"
-#include "list.h"
 #include "mnconf-common.h"
 
 int jump_key_char;

scripts/kconfig/internal.h

@@ -4,6 +4,8 @@
 
 #include <stddef.h>
 
+#include <list_types.h>
+
 struct search_data {
 	struct list_head *head;
 	struct menu *target;

scripts/kconfig/mconf.c

@@ -11,7 +11,7 @@
 #include <strings.h>
 #include <stdlib.h>
 
-#include "list.h"
+#include <list.h>
 #include "lkc.h"
 #include "mnconf-common.h"
 #include "nconf.h"

scripts/kconfig/menu.c

@@ -9,9 +9,9 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "array_size.h"
+#include <array_size.h>
+#include <list.h>
 #include "internal.h"
-#include "list.h"
 #include "lkc.h"
 #include "preprocess.h"
 

scripts/kconfig/mnconf-common.c

@@ -8,7 +8,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "hashtable.h"
+#include <hashtable.h>
 #include "lkc.h"
 
 unsigned int strhash(const char *s)

scripts/kconfig/mnconf-common.h

@@ -20,6 +20,8 @@
 #include <limits.h>
 #include <stdbool.h>
 #include <errno.h>
+
+#include <list.h>
 #include "modpost.h"
 #include "../../include/linux/license.h"
 

scripts/kconfig/nconf.c

@@ -13,7 +13,7 @@
 #include <elf.h>
 #include "../../include/linux/module_symbol.h"
 
-#include "list.h"
+#include <list_types.h>
 #include "elfconfig.h"
 
 /* On BSD-alike OSes elf.h defines these according to host's word size */