initial buildroot for linux 5.15

package/luvi/Config.in

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+config BR2_PACKAGE_LUVI
+	bool "luvi"
+	depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL # libuv
+	depends on BR2_USE_MMU # libuv
+	depends on !BR2_STATIC_LIBS # libuv
+	depends on BR2_PACKAGE_LUAJIT
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4 # libuv
+	select BR2_PACKAGE_LIBUV
+	select BR2_PACKAGE_LUV
+	select BR2_PACKAGE_LIBOPENSSL_ENABLE_DES if BR2_PACKAGE_LIBOPENSSL
+	help
+	  A project in-between luv and luvit. The goal of this is to
+	  make building luvit and derivatives much easier.
+
+	  luvi extends LuaJIT with asynchronous I/O and several optional
+	  modules to run Lua applications and build self-contained
+	  binaries on systems that don't have a compiler.
+
+	  The luvi core can be extended with several Lua modules by
+	  adding its bundled Lua binding libraries.
+	  To get the Lua module...
+	    * 'rex' select PCRE (BR2_PACKAGE_PCRE)
+	    * 'ssl' select OpenSSL (BR2_PACKAGE_OPENSSL)
+	    * 'zlib' select zlib (BR2_PACKAGE_ZLIB)
+
+	  https://github.com/luvit/luvi
+
+comment "luvi needs a toolchain w/ NPTL, dynamic library"
+	depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL || BR2_STATIC_LIBS
+	depends on BR2_USE_MMU
+	depends on BR2_TOOLCHAIN_HAS_SYNC_4
+
+comment "luvi needs LuaJIT"
+	depends on !BR2_PACKAGE_LUAJIT

package/luvi/luvi.hash

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+# Locally calculated
+sha256  4149c87646f487f9076c29e9861f64468637b1d1361b777b093e6204a83e1ed9  luvi-src-v2.12.0.tar.gz
+sha256  cfc7749b96f63bd31c3c42b5c471bf756814053e847c10f3eb003417bc523d30  LICENSE.txt

package/luvi/luvi.mk

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+################################################################################
+#
+# luvi
+#
+################################################################################
+
+LUVI_VERSION = 2.12.0
+LUVI_SOURCE = luvi-src-v$(LUVI_VERSION).tar.gz
+LUVI_SITE = https://github.com/luvit/luvi/releases/download/v$(LUVI_VERSION)
+LUVI_LICENSE = Apache-2.0
+LUVI_LICENSE_FILES = LICENSE.txt
+LUVI_DEPENDENCIES = libuv luajit luv host-luajit host-pkgconf
+
+# Dispatch all architectures of LuaJIT
+ifeq ($(BR2_i386),y)
+LUVI_TARGET_ARCH = x86
+else ifeq ($(BR2_x86_64),y)
+LUVI_TARGET_ARCH = x64
+else ifeq ($(BR2_powerpc),y)
+LUVI_TARGET_ARCH = ppc
+else ifeq ($(BR2_arm)$(BR2_armeb),y)
+LUVI_TARGET_ARCH = arm
+else ifeq ($(BR2_aarch64),y)
+LUVI_TARGET_ARCH = arm64
+else ifeq ($(BR2_mips),y)
+LUVI_TARGET_ARCH = mips
+else ifeq ($(BR2_mipsel),y)
+LUVI_TARGET_ARCH = mipsel
+else
+LUVI_TARGET_ARCH = $(BR2_ARCH)
+endif
+
+# LUAJIT_VERSION and the luajit installation path may not use the
+# same value. Use the value from luajit.pc file.
+LUVI_LUAJIT_VERSION = `$(PKG_CONFIG_HOST_BINARY) --variable=version luajit`
+
+# Bundled lua bindings have to be linked statically into the luvi executable
+LUVI_CONF_OPTS = \
+	-DBUILD_SHARED_LIBS=OFF \
+	-DWithSharedLibluv=ON \
+	-DTARGET_ARCH=$(LUVI_TARGET_ARCH) \
+	-DLUA_PATH=$(HOST_DIR)/share/luajit-$(LUVI_LUAJIT_VERSION)/?.lua
+
+# Add "rex" module (PCRE via bundled lrexlib)
+ifeq ($(BR2_PACKAGE_PCRE),y)
+LUVI_DEPENDENCIES += pcre
+LUVI_CONF_OPTS += -DWithPCRE=ON -DWithSharedPCRE=ON
+else
+LUVI_CONF_OPTS += -DWithPCRE=OFF -DWithSharedPCRE=OFF
+endif
+
+# Add "ssl" module (via bundled lua-openssl)
+ifeq ($(BR2_PACKAGE_OPENSSL),y)
+LUVI_DEPENDENCIES += openssl
+LUVI_CONF_OPTS += -DWithOpenSSL=ON -DWithOpenSSLASM=ON -DWithSharedOpenSSL=ON
+else
+LUVI_CONF_OPTS += -DWithOpenSSL=OFF -DWithOpenSSLASM=OFF -DWithSharedOpenSSL=OFF
+endif
+
+# Add "zlib" module (via bundled lua-zlib)
+ifeq ($(BR2_PACKAGE_ZLIB),y)
+LUVI_DEPENDENCIES += zlib
+LUVI_CONF_OPTS += -DWithZLIB=ON -DWithSharedZLIB=ON
+else
+LUVI_CONF_OPTS += -DWithZLIB=OFF -DWithSharedZLIB=OFF
+endif
+
+$(eval $(cmake-package))