+ALT_START=0
+
+# check for passed arguments
+if [ $# -ne 0 ]; then
+ # use package as starting point
+ ALT_START=1
+ START_PKG=$1
+ BUILD_ORDER=""
+else
+ # global var to store all final deps order
+ BUILD_ORDER="libgmp libmpfr libmpc binutils glibc zlib gcc"
+fi