include $(TOPDIR)/rules.mk

PKG_NAME:=luajit2
PKG_VERSION:=2.1-20240314
PKG_RELEASE:=1

PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=https://github.com/openresty/luajit2/archive/refs/tags/v$(PKG_VERSION).tar.gz?
PKG_HASH:=3efddc4104a0ce720ddf4da3d9bce927f3c5816a8a45a043462ca58914cde271

PKG_MAINTAINER:=Javier Marcet <javier@marcet.info>
PKG_LICENSE:=MIT
PKG_LICENSE_FILES:=COPYRIGHT

PKG_BUILD_FLAGS:=no-mips16

include $(INCLUDE_DIR)/package.mk
include $(INCLUDE_DIR)/host-build.mk

# HAS_LUAJIT_ARCH config is defined in luajit and is used to define
# arch deoendency for luajit. Since luajit2 is an improved version of
# luajit, they share the same arch dependency. Refer there to update
# dependency for them.
define Package/luajit2
 SECTION:=lang
 CATEGORY:=Languages
 SUBMENU:=Lua
 TITLE:=LuaJIT from OpenResty
 URL:=https://www.luajit.org
 DEPENDS:=@HAS_LUAJIT_ARCH
 PROVIDES:=luajit
endef

define Package/luajit2/description
 OpenResty's maintained branch of LuaJIT, a Just-In-Time (JIT) compiler for the Lua programming language
endef

ifeq ($(HOST_ARCH),$(filter $(HOST_ARCH), x86_64 mips64))
  ifeq ($(CONFIG_ARCH_64BIT),)
    HOST_BITS := -m32
  endif
endif

define Build/Compile
	$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
		HOST_CC="$(HOSTCC) $(HOST_CFLAGS) $(HOST_BITS)" \
		CROSS="$(TARGET_CROSS)" \
		DPREFIX=$(PKG_INSTALL_DIR)/usr \
		PREFIX=/usr \
		TARGET_SYS=Linux \
		TARGET_CFLAGS="$(TARGET_CFLAGS)" \
		BUILDMODE=dynamic
	$(RM) -rf $(PKG_INSTALL_DIR)
	mkdir -p $(PKG_INSTALL_DIR)
	$(MAKE) -C $(PKG_BUILD_DIR) \
		DPREFIX=$(PKG_INSTALL_DIR)/usr \
		PREFIX=/usr \
		TARGET_SYS=Linux \
		install
endef

define Build/InstallDev
	$(INSTALL_DIR) $(1)/usr/include/luajit-2.1
	$(CP) $(PKG_INSTALL_DIR)/usr/include/luajit-2.1/*.{h,hpp} $(1)/usr/include/luajit-2.1
	$(INSTALL_DIR) $(1)/usr/lib
	$(CP) $(PKG_INSTALL_DIR)/usr/lib/*so* $(1)/usr/lib/
	$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
	$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/luajit.pc $(1)/usr/lib/pkgconfig/
	$(INSTALL_DIR) $(1)/usr/bin
	$(CP) $(PKG_INSTALL_DIR)/usr/bin/luajit-* $(1)/usr/bin/$(PKG_NAME)
endef

define Package/luajit2/install
	$(INSTALL_DIR) $(1)/usr/lib/
	$(CP) $(PKG_INSTALL_DIR)/usr/lib/*.so* $(1)/usr/lib/
	$(INSTALL_DIR) $(1)/usr/bin
	$(CP) $(PKG_INSTALL_DIR)/usr/bin/luajit-* $(1)/usr/bin/$(PKG_NAME)
endef

define Host/Compile
	$(MAKE) $(HOST_JOBS) -C $(HOST_BUILD_DIR) \
		DPREFIX=$(STAGING_DIR_HOSTPKG) \
		TARGET_CFLAGS="$(HOST_CFLAGS)" \
		TARGET_LDFLAGS="$(HOST_LDFLAGS)"
endef

define Host/Install
	$(MAKE) $(HOST_JOBS) -C $(HOST_BUILD_DIR) \
		DPREFIX=$(STAGING_DIR_HOSTPKG) \
		install
	$(CP) $(STAGING_DIR_HOSTPKG)/bin/luajit-* $(STAGING_DIR_HOSTPKG)/bin/$(PKG_NAME)
endef

$(eval $(call HostBuild,luajit2))
$(eval $(call BuildPackage,luajit2))