dir_sysroot should be an absolute path anyway

astronaut/astronaut

@@ -313,7 +313,6 @@ if [ "$_download_only" = false ]; then
     mkdir -p "$dir_install"
     dir_build="$(realpath "$dir_build")"
     dir_install="$(realpath "$dir_install")"
-    dir_sysroot="$(realpath "$dir_sysroot")"
 
     cd "$dir_build"
 fi