hi thanks for taking the time to reply Meanwhile I have investigated a bit and hopefully clarified to some extent the situation (see my reply to greg)
> I believe the problem here is that you built boost without zlib support. > In the b2 boost build step, check that zlib is set to "yes" (it will be I have checked your suggestion and it looks to me that zlib detection by boost is ok: ----8<---- notice: [zlib] Using pre-installed library notice: [zlib] Condition [...] - zlib : yes ---->8---- > if the zlib devel package was installed on your machine), otherwise > things won't work, as boost_iostreams will be built without zlib support. In the end, it looks to me that the problem is with the cmake related changes in boost-1_70_0_rc1 vs previous boost versions. thanks ciao -gabriele _______________________________________________ Rdkit-devel mailing list Rdkit-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rdkit-devel