Fail if we try to build a BST_FORMAT_VERSION we do not support anymore
bst-1.x support BST_FORMAT_VERSION == 17, as that is not supported by master I think is ok to set BST_FORMAT_VERSION_MIN = 18
Fixes #1136 (closed)
Edited by Javier Jardón
bst-1.x support BST_FORMAT_VERSION == 17, as that is not supported by master I think is ok to set BST_FORMAT_VERSION_MIN = 18
Fixes #1136 (closed)