sfcgal is not actively maintained in Ubuntu, this issue is unlikely to get fixed.
sfcgal (1.3.7-4) has a patch to fix this issue when using sfcal-config, you should consider using that like postgis does.
sfcgal is not actively maintained in Ubuntu, this issue is unlikely to get fixed.
sfcgal (1.3.7-4) has a patch to fix this issue when using sfcal-config, you should consider using that like postgis does.