Upgrade buildroot to 2023.05 (from 2021.08.2), kernel is upgraded to 6.3 (from 5.13.19).

package/lua/5.4.6/0001-root-path.patch

@@ -6,7 +6,7 @@ Index: b/src/luaconf.h
 ===================================================================
 --- a/src/luaconf.h
 +++ b/src/luaconf.h
-@@ -217,7 +217,7 @@
+@@ -223,7 +223,7 @@
  
  #else			/* }{ */
  

package/lua/5.4.6/0002-shared-libs-for-lua.patch

@@ -31,7 +31,7 @@ Index: b/src/Makefile
 --- a/src/Makefile
 +++ b/src/Makefile
 @@ -33,6 +33,7 @@
- PLATS= guess aix bsd c89 freebsd generic linux linux-readline macosx mingw posix solaris
+ PLATS= guess aix bsd c89 freebsd generic ios linux linux-readline macosx mingw posix solaris
  
  LUA_A=	liblua.a
 +LUA_SO=	liblua.so

package/lua/5.4.6/0011-linenoise.patch

@@ -8,7 +8,7 @@ Index: b/src/lua.c
 ===================================================================
 --- a/src/lua.c
 +++ b/src/lua.c
-@@ -421,6 +421,14 @@
+@@ -438,6 +438,14 @@
  #define lua_saveline(L,line)	((void)L, add_history(line))
  #define lua_freeline(L,b)	((void)L, free(b))
  

package/lua/5.4.6/lua.hash

@@ -0,0 +1,5 @@
+# Hashes from: https://www.lua.org/ftp/
+sha256  7d5ea1b9cb6aa0b59ca3dde1c6adcb57ef83a1ba8e5432c0ecd06bf439b3ad88  lua-5.4.6.tar.gz
+
+# Locally computed
+sha256  8f1bff27c5b0585ab679dbe4e37e75a1014af0f79732f42a79f86728321a0c6d  doc/readme.html

package/lua/Config.in

@@ -14,13 +14,16 @@ config BR2_PACKAGE_PROVIDES_LUAINTERPRETER
 
 choice
 	prompt "Lua Version"
-	default BR2_PACKAGE_LUA_5_3
+	default BR2_PACKAGE_LUA_5_3 if BR2_PACKAGE_LUA_5_2 # legacy
+	default BR2_PACKAGE_LUA_5_4
 	help
 	  Select the version of Lua API/ABI you wish to use.
 
 config BR2_PACKAGE_LUA_5_1
 	bool "Lua 5.1.x"
 	select BR2_PACKAGE_LUAINTERPRETER_ABI_VERSION_5_1
+	select BR2_PACKAGE_LUA_CVT_N2S
+	select BR2_PACKAGE_LUA_CVT_S2N
 
 config BR2_PACKAGE_LUA_5_3
 	bool "Lua 5.3.x"
@@ -43,6 +46,20 @@ config BR2_PACKAGE_LUA_32BITS
 
 endif
 
+config BR2_PACKAGE_LUA_CVT_N2S
+	bool "automatic coercion from number to string"
+	default y  # legacy
+	help
+	  If unsure, say y, this is the default behavior of the Lua
+	  interpreter. See LUA_NOCVTN2S in luaconf.h
+
+config BR2_PACKAGE_LUA_CVT_S2N
+	bool "automatic coercion from string to number"
+	default y  # legacy
+	help
+	  If unsure, say y, this is the default behavior of the Lua
+	  interpreter. See LUA_NOCVTN2S in luaconf.h
+
 choice
 	prompt "Lua command-line editing"
 	default BR2_PACKAGE_LUA_EDITING_NONE

package/lua/lua.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 ifeq ($(BR2_PACKAGE_LUA_5_4),y)
-LUA_VERSION = 5.4.3
+LUA_VERSION = 5.4.6
 else ifeq ($(BR2_PACKAGE_LUA_5_3),y)
 LUA_VERSION = 5.3.6
 else
@@ -31,6 +31,14 @@ else ifeq ($(BR2_PACKAGE_LUA_5_3),y)
 LUA_CFLAGS += -DLUA_COMPAT_5_2
 endif
 
+ifeq ($(BR2_PACKAGE_LUA_CVT_N2S),)
+LUA_CFLAGS += -DLUA_NOCVTN2S
+endif
+
+ifeq ($(BR2_PACKAGE_LUA_CVT_S2N),)
+LUA_CFLAGS += -DLUA_NOCVTS2N
+endif
+
 ifeq ($(BR2_STATIC_LIBS),y)
 LUA_BUILDMODE = static
 else
@@ -60,7 +68,7 @@ LUA_POST_PATCH_HOOKS += LUA_32BITS_LUACONF
 endif
 
 define HOST_LUA_LUACONF
-	$(SED) 's|#define LUA_ROOT.*|#define LUA_ROOT "$(HOST_DIR)/usr/"|' $(@D)/src/luaconf.h
+	$(SED) 's|#define LUA_ROOT.*|#define LUA_ROOT "$(HOST_DIR)/"|' $(@D)/src/luaconf.h
 endef
 HOST_LUA_POST_PATCH_HOOKS += HOST_LUA_LUACONF