DistutilsNonPEP517Build: version 20200512145953: uses deprecated non-PEP517 build mode, please switch to DISTUTILS_USE_PEP517=...
  EmptyGlobalAssignment: version 20200512145953: line 23: empty global assignment: IUSE=""
  EmptyGlobalAssignment: version 20200512145953: line 25: empty global assignment: BDEPEND=""
  EmptyGlobalAssignment: version 20200512145953: line 26: empty global assignment: DEPEND=""
  EmptyGlobalAssignment: version 20200512145953: line 27: empty global assignment: RDEPEND=""
  DistutilsNonPEP517Build: version 99999999999999: uses deprecated non-PEP517 build mode, please switch to DISTUTILS_USE_PEP517=...
  EmptyGlobalAssignment: version 99999999999999: line 23: empty global assignment: IUSE=""
  EmptyGlobalAssignment: version 99999999999999: line 25: empty global assignment: BDEPEND=""
  EmptyGlobalAssignment: version 99999999999999: line 26: empty global assignment: DEPEND=""
  EmptyGlobalAssignment: version 99999999999999: line 27: empty global assignment: RDEPEND=""