Quick fix for this (avoiding patching) is to add export DEB_CXXFLAGS_MAINT_APPEND = -std=c++17
towards the top of the rules file. Tested with sbuild and it builds OK. Otherwise, see; https://github.com/sparsehash/sparsehash/pull/165 -- debian-science-maintainers mailing list [email protected] https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/debian-science-maintainers
