That was it. Thank you very much. I wonder if adding
sudo rm -rf /Library/Developer/CommandLineTools/usr/include/c++ to the MacPorts installation would be an acceptable side-effect (on those systems where it should be removed of course) G > On 25 Jun 2025, at 18:13, Joshua Root <j...@macports.org> wrote: > > On 26/6/2025 01:57, Gerben Wierda wrote: >> :info:build /opt/local/include/CLucene/SharedHeader.h:57:10: fatal error: >> 'cstddef' file not found >> :info:build 57 | #include <cstddef> //need this for wchar_t, size_t, NULL >> :info:build | ^~~~~~~~~ > >> Is there something I can do to fix this? > > <https://trac.macports.org/wiki/ProblemHotlist#clts16> > > - Josh