On 23/03/2020 14:08, Loris Bennett wrote: > So the libraries seem to get build OK, but linking the client against > them seems to fail, despite the fact that all the calls to 'gcc' seem to > have the option '-fopenmp' set.
The issue is that the last one (--mode=link) does not have -fopenmp. Either you need to add it to the link flags or manually add -lgomp to the libraries to link to. Ward