2014-03-22 16:31 GMT+01:00 Ingo Weinhold <ingo_weinhold@xxxxxx>: > Was there any problem with the previous approach, i.e. declaring only the > files that include the zlib headers directly? Yeah Jam ignored inclusions declared on headers in the previous approach. Possibly because Jam uses header dependencies it finds itself, not what we declare, just a guess. See //www.freelists.org/post/haiku-development/Haiku-build-failed for an error log sample. Bye, Jérôme