initial buildroot for linux 5.15

package/luajit/Config.in

@@ -0,0 +1,47 @@
+config BR2_PACKAGE_LUAJIT_ARCH_SUPPORTS
+	bool
+	default y if BR2_arm || BR2_armeb || BR2_aarch64
+	default y if BR2_i386 || BR2_x86_64
+	default y if (BR2_mips || BR2_mipsel) && !BR2_MIPS_SOFT_FLOAT \
+		&& !BR2_MIPS_CPU_MIPS32R6 && !BR2_MIPS_CPU_MIPS64R6
+	default y if BR2_powerpc
+	# -m32 flag is used for 32bit builds and host-luajit has
+	# limited architecture support
+	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
+	# Building for 64-bit target requires a 64-bit host
+	depends on !BR2_ARCH_IS_64 || BR2_HOSTARCH = "x86_64"
+
+config BR2_PACKAGE_LUAJIT
+	bool "luajit"
+	depends on !BR2_STATIC_LIBS # dlopen
+	# Luajit is only available for some target architectures, and
+	# has some complexity wrt 32/64. See luajit.mk for details.
+	depends on BR2_PACKAGE_LUAJIT_ARCH_SUPPORTS
+	# luajit.mk uses the "-m32" compiler option to build 32bit
+	# binaries, so check if that option is supported. See
+	# luajit.mk for details.
+	select BR2_PACKAGE_HAS_LUAINTERPRETER
+	select BR2_PACKAGE_LUAINTERPRETER_ABI_VERSION_5_1
+	select BR2_HOSTARCH_NEEDS_IA32_COMPILER if !BR2_ARCH_IS_64
+	help
+	  LuaJIT implements the full set of language features defined
+	  by Lua 5.1. The virtual machine (VM) is API- and
+	  ABI-compatible to the standard Lua interpreter and can be
+	  deployed as a drop-in replacement.
+
+	  https://luajit.org/luajit.html
+
+if BR2_PACKAGE_LUAJIT
+
+config BR2_PACKAGE_PROVIDES_LUAINTERPRETER
+	default "luajit"
+
+config BR2_PACKAGE_LUAJIT_COMPAT52
+	bool "Lua 5.2 compatibility"
+	help
+	  Compile with Lua 5.2 compatibility.
+
+endif
+
+comment "luajit needs a toolchain w/ dynamic library"
+	depends on BR2_STATIC_LIBS