Osmo-trx build problem

Hi , i’m trying to build osmo-trx master branch . What i’am doing : autoreconf -i ./configure make In make step i get this error : Evaluating ‘parse’ option: ‘(?P\d+).(?P\d+).(?P\d+)’ does not parse current version 'P2.8TRUNK’ usage: bumpversion [-h] [–config-file FILE] [–verbose] [–list] [–allow-dirty] [–parse REGEX] [–serialize FORMAT] [–search SEARCH] [–replace REPLACE] [–current-version VERSION] [–dry-run] --new-version VERSION [–commit | --no-commit] [–tag | --no-tag] [–tag-name TAG_NAME] [–message COMMIT_MSG] part [file [file …]] bumpversion: error: the following arguments are required: --new-version make all-recursive