vfs.libarchive: use non sysroot xz

packages/mediacenter/kodi-binary-addons/vfs.libarchive/package.mk

@@ -16,3 +16,9 @@ PKG_LONGDESC="vfs.libarchive"
 
 PKG_IS_ADDON="yes"
 PKG_ADDON_TYPE="kodi.vfs"
+
+pre_configure_target() {
+  export LibLZMA_ROOT="$(get_install_dir xz)/usr"
+  sed -i -e 's/^cmake_minimum_required(VERSION 3.5)/cmake_minimum_required(VERSION 3.12)/' \
+         -e 's/^find_package(LibLZMA REQUIRED)/set(CMAKE_FIND_OLD_ROOT_PATH ${CMAKE_FIND_ROOT_PATH})\nset(CMAKE_FIND_ROOT_PATH "")\nfind_package(LibLZMA REQUIRED)\nset(CMAKE_FIND_ROOT_PATH ${CMAKE_FIND_OLD_ROOT_PATH})/' ../CMakeLists.txt
+}