use new global cache dir

bin/buildiso.in

@@ -197,6 +197,10 @@ iso_profile=${PWD##*/}
 
 work_dir=${work_dir}/${iso_profile}/${arch}
 
+cache_lng="${cache_dir}/lng"
+    
+cache_pkgs="${cache_dir}/pkgs"
+
 displaymanager=$(cat ${PWD}/displaymanager)
 initsys=$(cat ${PWD}/initsys)
 

bin/buildpkg.in

@@ -164,8 +164,8 @@ if [[ "$arch" == 'multilib' ]]; then
 fi
 
 chrootdir=${chroots}/${branch}/${arch}
-pkg_dir_loaded=${pkg_dir}
-pkg_dir="${pkg_dir}/${branch}/${arch}"
+
+pkg_dir="${cache_dir}/${branch}/${arch}"
 
 pacman_conf="${PKGDATADIR}/pacman-${pacman_conf_arch}.conf"
 makepkg_conf="${PKGDATADIR}/makepkg-${arch}.conf"