[CMake] use system Qhull if available

10 jobs for topic/qhull in 90 minutes and 18 seconds (queued for 2 seconds)
latest
Name Stage Failure
failed
format Test
./python/hppfcl/viewer.py:55:95: E231 missing whitespace after ','
./python/hppfcl/viewer.py:55:97: E231 missing whitespace after ','
./python/hppfcl/viewer.py:55:120: E501 line too long (132 > 119 characters)
./python/hppfcl/viewer.py:58:1: E302 expected 2 blank lines, found 1
./python/hppfcl/viewer.py:77:21: E128 continuation line under-indented for visual indent
./python/hppfcl/viewer.py:77:65: E231 missing whitespace after ','
./python/hppfcl/viewer.py:77:67: E231 missing whitespace after ','
Cleaning up file based variables
ERROR: Job failed: exit code 1
failed
robotpkg-py-hpp-fcl-py3-buster-release Test

Total Test time (real) = 77.11 sec

The following tests FAILED:
16 - gjk (Child aborted)
Errors while running CTest
make: *** [Makefile:110: test] Error 8
Cleaning up file based variables
ERROR: Job failed: exit code 1